Sorting posts is now available. Minor bugs fixed.

.idea/assetWizardSettings.xml

@@ -35,9 +35,9 @@
                           <map>
                             <entry key="assetSourceType" value="FILE" />
                             <entry key="color" value="ffffff" />
-                            <entry key="outputName" value="ic_outline_add_photo_24px" />
+                            <entry key="outputName" value="ic_outline_sort_24px" />
                             <entry key="overrideSize" value="true" />
-                            <entry key="sourceFile" value="$USER_HOME$/Downloads/outline-add_photo_alternate-24px.svg" />
+                            <entry key="sourceFile" value="$USER_HOME$/Downloads/outline-sort-24px.svg" />
                           </map>
                         </option>
                       </PersistentState>

app/src/main/java/ml/docilealligator/infinityforreddit/MainActivity.java

@@ -37,7 +37,7 @@ import jp.wasabeef.glide.transformations.RoundedCornersTransformation;
 import pl.droidsonroids.gif.GifImageView;
 import retrofit2.Retrofit;
 
-public class MainActivity extends AppCompatActivity {
+public class MainActivity extends AppCompatActivity implements SortTypeBottomSheetFragment.SortTypeSelectionCallback {
 
     private static final String FRAGMENT_OUT_STATE = "FOS";
     private static final String FETCH_USER_INFO_STATE = "FUIS";
@@ -52,8 +52,6 @@ public class MainActivity extends AppCompatActivity {
     @BindView(R.id.settings_linear_layout_main_activity) LinearLayout settingsLinearLayout;
     @BindView(R.id.fab_main_activity) FloatingActionButton fab;
 
-    private BottomSheetDialog dialog;
-
     private TextView mNameTextView;
     private TextView mKarmaTextView;
     private GifImageView mProfileImageView;
@@ -62,6 +60,8 @@ public class MainActivity extends AppCompatActivity {
     private Fragment mFragment;
     private RequestManager glide;
     private AppBarLayout.LayoutParams params;
+    private BottomSheetDialog postTypedialog;
+    private SortTypeBottomSheetFragment sortTypeBottomSheetFragment;
 
     private String mName;
     private String mProfileImageUrl;
@@ -92,17 +92,19 @@ public class MainActivity extends AppCompatActivity {
 
         ButterKnife.bind(this);
 
-        View dialogView = View.inflate(this, R.layout.post_type_bottom_sheet, null);
-        LinearLayout textTypeLinearLayout = dialogView.findViewById(R.id.text_type_linear_layout_post_type_bottom_sheet);
-        LinearLayout linkTypeLinearLayout = dialogView.findViewById(R.id.link_type_linear_layout_post_type_bottom_sheet);
-        LinearLayout imageTypeLinearLayout = dialogView.findViewById(R.id.image_type_linear_layout_post_type_bottom_sheet);
-        LinearLayout videoTypeLinearLayout = dialogView.findViewById(R.id.video_type_linear_layout_post_type_bottom_sheet);
-
-        dialog = new BottomSheetDialog(this);
-        dialog.setContentView(dialogView);
-
         ((Infinity) getApplication()).getmAppComponent().inject(this);
 
+        View postTypeDialogView = View.inflate(this, R.layout.post_type_bottom_sheet, null);
+        LinearLayout textTypeLinearLayout = postTypeDialogView.findViewById(R.id.text_type_linear_layout_post_type_bottom_sheet);
+        LinearLayout linkTypeLinearLayout = postTypeDialogView.findViewById(R.id.link_type_linear_layout_post_type_bottom_sheet);
+        LinearLayout imageTypeLinearLayout = postTypeDialogView.findViewById(R.id.image_type_linear_layout_post_type_bottom_sheet);
+        LinearLayout videoTypeLinearLayout = postTypeDialogView.findViewById(R.id.video_type_linear_layout_post_type_bottom_sheet);
+
+        postTypedialog = new BottomSheetDialog(this);
+        postTypedialog.setContentView(postTypeDialogView);
+
+        sortTypeBottomSheetFragment = new SortTypeBottomSheetFragment();
+
         Toolbar toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
 
@@ -120,11 +122,7 @@ public class MainActivity extends AppCompatActivity {
             startActivityForResult(loginIntent, LOGIN_ACTIVITY_REQUEST_CODE);
         } else {
             if (savedInstanceState == null) {
-                mFragment = new PostFragment();
+                replaceFragment(PostDataSource.SORT_TYPE_BEST);
-                Bundle bundle = new Bundle();
-                bundle.putInt(PostFragment.EXTRA_POST_TYPE, PostDataSource.TYPE_FRONT_PAGE);
-                mFragment.setArguments(bundle);
-                getSupportFragmentManager().beginTransaction().replace(R.id.frame_layout_content_main, mFragment).commit();
             } else {
                 mFragment = getSupportFragmentManager().getFragment(savedInstanceState, FRAGMENT_OUT_STATE);
                 getSupportFragmentManager().beginTransaction().replace(R.id.frame_layout_content_main, mFragment).commit();
@@ -186,30 +184,37 @@ public class MainActivity extends AppCompatActivity {
         textTypeLinearLayout.setOnClickListener(view -> {
             Intent intent = new Intent(MainActivity.this, PostTextActivity.class);
             startActivity(intent);
-            dialog.dismiss();
+            postTypedialog.dismiss();
         });
 
         linkTypeLinearLayout.setOnClickListener(view -> {
             Intent intent = new Intent(MainActivity.this, PostLinkActivity.class);
             startActivity(intent);
-            dialog.dismiss();
+            postTypedialog.dismiss();
         });
 
         imageTypeLinearLayout.setOnClickListener(view -> {
             Intent intent = new Intent(MainActivity.this, PostImageActivity.class);
             startActivity(intent);
-            dialog.dismiss();
+            postTypedialog.dismiss();
         });
 
         videoTypeLinearLayout.setOnClickListener(view -> {
             Intent intent = new Intent(MainActivity.this, PostVideoActivity.class);
             startActivity(intent);
-            dialog.dismiss();
+            postTypedialog.dismiss();
         });
 
-        fab.setOnClickListener(view -> {
+        fab.setOnClickListener(view -> postTypedialog.show());
-            dialog.show();
+    }
-        });
+
+    private void replaceFragment(String sortType) {
+        mFragment = new PostFragment();
+        Bundle bundle = new Bundle();
+        bundle.putInt(PostFragment.EXTRA_POST_TYPE, PostDataSource.TYPE_FRONT_PAGE);
+        bundle.putString(PostFragment.EXTRA_SORT_TYPE, sortType);
+        mFragment.setArguments(bundle);
+        getSupportFragmentManager().beginTransaction().replace(R.id.frame_layout_content_main, mFragment).commit();
     }
 
     private void loadUserData() {
@@ -301,6 +306,9 @@ public class MainActivity extends AppCompatActivity {
     public boolean onOptionsItemSelected(MenuItem item) {
         if (mFragment instanceof FragmentCommunicator) {
             switch (item.getItemId()) {
+                case R.id.action_sort_main_activity:
+                    sortTypeBottomSheetFragment.show(getSupportFragmentManager(), sortTypeBottomSheetFragment.getTag());
+                    return true;
                 case R.id.action_search_main_activity:
                     Intent intent = new Intent(this, SearchActivity.class);
                     startActivity(intent);
@@ -351,4 +359,9 @@ public class MainActivity extends AppCompatActivity {
         outState.putBoolean(FETCH_USER_INFO_STATE, mFetchUserInfoSuccess);
         outState.putBoolean(IS_IN_LAZY_MODE_STATE, isInLazyMode);
     }
+
+    @Override
+    public void sortTypeSelected(String sortType) {
+        replaceFragment(sortType);
+    }
 }

app/src/main/java/ml/docilealligator/infinityforreddit/ParseComment.java

@@ -1,6 +1,7 @@
 package ml.docilealligator.infinityforreddit;
 
 import android.os.AsyncTask;
+import android.text.Html;
 import android.util.Log;
 
 import androidx.annotation.Nullable;
@@ -223,7 +224,7 @@ class ParseComment {
         if(!singleCommentData.isNull(JSONUtils.BODY_HTML_KEY)) {
             commentContent = singleCommentData.getString(JSONUtils.BODY_HTML_KEY).trim();
         }
-        String permalink = singleCommentData.getString(JSONUtils.PERMALINK_KEY);
+        String permalink = Html.fromHtml(singleCommentData.getString(JSONUtils.PERMALINK_KEY)).toString();
         int score = singleCommentData.getInt(JSONUtils.SCORE_KEY);
         long submitTime = singleCommentData.getLong(JSONUtils.CREATED_UTC_KEY) * 1000;
         boolean scoreHidden = singleCommentData.getBoolean(JSONUtils.SCORE_HIDDEN_KEY);

app/src/main/java/ml/docilealligator/infinityforreddit/ParsePost.java

@@ -1,6 +1,7 @@
 package ml.docilealligator.infinityforreddit;
 
 import android.os.AsyncTask;
+import android.text.Html;
 import android.util.Log;
 
 import org.json.JSONArray;
@@ -122,7 +123,7 @@ class ParsePost {
                     parsePostListener.onParsePostSuccess(post);
                 }
             } else {
-                if(newPosts != null) {
+                if(parsePostsListingListener != null) {
                     parsePostsListingListener.onParsePostsListingFail();
                 } else {
                     parsePostListener.onParsePostFail();
@@ -160,7 +161,7 @@ class ParsePost {
         postTimeCalendar.setTimeInMillis(postTime);
         String formattedPostTime = new SimpleDateFormat("MMM d, YYYY, HH:mm",
                 locale).format(postTimeCalendar.getTime());
-        String permalink = data.getString(JSONUtils.PERMALINK_KEY);
+        String permalink = Html.fromHtml(data.getString(JSONUtils.PERMALINK_KEY)).toString();
 
         String previewUrl = "";
         int previewWidth = -1;
@@ -194,7 +195,7 @@ class ParsePost {
         Post post;
 
         boolean isVideo = data.getBoolean(JSONUtils.IS_VIDEO_KEY);
-        String url = data.getString(JSONUtils.URL_KEY);
+        String url = Html.fromHtml(data.getString(JSONUtils.URL_KEY)).toString();
 
         if(!data.has(JSONUtils.PREVIEW_KEY) && previewUrl.equals("")) {
             if(url.contains(permalink)) {
@@ -224,8 +225,8 @@ class ParsePost {
             }
         } else {
             if(previewUrl.equals("")) {
-                previewUrl = data.getJSONObject(JSONUtils.PREVIEW_KEY).getJSONArray(JSONUtils.IMAGES_KEY).getJSONObject(0)
+                previewUrl = Html.fromHtml(data.getJSONObject(JSONUtils.PREVIEW_KEY).getJSONArray(JSONUtils.IMAGES_KEY).getJSONObject(0)
-                        .getJSONObject(JSONUtils.SOURCE_KEY).getString(JSONUtils.URL_KEY);
+                        .getJSONObject(JSONUtils.SOURCE_KEY).getString(JSONUtils.URL_KEY)).toString();
             }
 
             if(isVideo) {
@@ -233,7 +234,7 @@ class ParsePost {
                 Log.i("video", Integer.toString(i));
                 JSONObject redditVideoObject = data.getJSONObject(JSONUtils.MEDIA_KEY).getJSONObject(JSONUtils.REDDIT_VIDEO_KEY);
                 int postType = Post.VIDEO_TYPE;
-                String videoUrl = redditVideoObject.getString(JSONUtils.DASH_URL_KEY);
+                String videoUrl = Html.fromHtml(redditVideoObject.getString(JSONUtils.DASH_URL_KEY)).toString();
 
                 post = new Post(id, fullName, subredditNamePrefixed, author, formattedPostTime,
                         title, previewUrl, permalink, score, postType, voteType,
@@ -249,8 +250,8 @@ class ParsePost {
                     //Gif video post (MP4)
                     Log.i("gif video mp4", Integer.toString(i));
                     int postType = Post.GIF_VIDEO_TYPE;
-                    String videoUrl = variations.getJSONObject(JSONUtils.VARIANTS_KEY).getJSONObject(JSONUtils.MP4_KEY).getJSONObject(JSONUtils.SOURCE_KEY).getString(JSONUtils.URL_KEY);
+                    String videoUrl = Html.fromHtml(variations.getJSONObject(JSONUtils.VARIANTS_KEY).getJSONObject(JSONUtils.MP4_KEY).getJSONObject(JSONUtils.SOURCE_KEY).getString(JSONUtils.URL_KEY)).toString();
-                    String gifDownloadUrl = variations.getJSONObject(JSONUtils.VARIANTS_KEY).getJSONObject(JSONUtils.GIF_KEY).getJSONObject(JSONUtils.SOURCE_KEY).getString(JSONUtils.URL_KEY);
+                    String gifDownloadUrl = Html.fromHtml(variations.getJSONObject(JSONUtils.VARIANTS_KEY).getJSONObject(JSONUtils.GIF_KEY).getJSONObject(JSONUtils.SOURCE_KEY).getString(JSONUtils.URL_KEY)).toString();
 
                     post = new Post(id, fullName, subredditNamePrefixed, author, formattedPostTime, title,
                             previewUrl, permalink, score, postType, voteType,
@@ -264,8 +265,8 @@ class ParsePost {
                     //Gif video post (Dash)
                     Log.i("gif video dash", Integer.toString(i));
                     int postType = Post.GIF_VIDEO_TYPE;
-                    String videoUrl = data.getJSONObject(JSONUtils.PREVIEW_KEY)
+                    String videoUrl = Html.fromHtml(data.getJSONObject(JSONUtils.PREVIEW_KEY)
-                            .getJSONObject(JSONUtils.REDDIT_VIDEO_PREVIEW_KEY).getString(JSONUtils.DASH_URL_KEY);
+                            .getJSONObject(JSONUtils.REDDIT_VIDEO_PREVIEW_KEY).getString(JSONUtils.DASH_URL_KEY)).toString();
 
                     post = new Post(id, fullName, subredditNamePrefixed, author, formattedPostTime, title,
                             previewUrl, permalink, score, postType, voteType,

app/src/main/java/ml/docilealligator/infinityforreddit/PostDataSource.java

@@ -24,12 +24,21 @@ class PostDataSource extends PageKeyedDataSource<String, Post> {
     static final int TYPE_USER = 2;
     static final int TYPE_SEARCH = 3;
 
+    static final String SORT_TYPE_BEST = "best";
+    static final String SORT_TYPE_HOT = "hot";
+    static final String SORT_TYPE_NEW = "new";
+    static final String SORT_TYPE_RANDOM = "random";
+    static final String SORT_TYPE_RISING = "rising";
+    static final String SORT_TYPE_TOP = "top";
+    static final String SORT_TYPE_CONTROVERSIAL = "controversial";
+
     private Retrofit retrofit;
     private String accessToken;
     private Locale locale;
     private String subredditName;
     private String query;
     private int postType;
+    private String sortType;
     private OnPostFetchedCallback onPostFetchedCallback;
 
     private MutableLiveData<NetworkState> paginationNetworkStateLiveData;
@@ -40,17 +49,33 @@ class PostDataSource extends PageKeyedDataSource<String, Post> {
     private LoadParams<String> params;
     private LoadCallback<String, Post> callback;
 
-    PostDataSource(Retrofit retrofit, String accessToken, Locale locale, int postType, OnPostFetchedCallback onPostFetchedCallback) {
+    PostDataSource(Retrofit retrofit, String accessToken, Locale locale, int postType, String sortType,
+                   OnPostFetchedCallback onPostFetchedCallback) {
         this.retrofit = retrofit;
         this.accessToken = accessToken;
         this.locale = locale;
         paginationNetworkStateLiveData = new MutableLiveData();
         initialLoadStateLiveData = new MutableLiveData();
         this.postType = postType;
+        this.sortType = sortType;
         this.onPostFetchedCallback = onPostFetchedCallback;
     }
 
-    PostDataSource(Retrofit retrofit, String accessToken, Locale locale, String subredditName, int postType, OnPostFetchedCallback onPostFetchedCallback) {
+    PostDataSource(Retrofit retrofit, String accessToken, Locale locale, String subredditName, int postType,
+                   String sortType, OnPostFetchedCallback onPostFetchedCallback) {
+        this.retrofit = retrofit;
+        this.accessToken = accessToken;
+        this.locale = locale;
+        this.subredditName = subredditName;
+        paginationNetworkStateLiveData = new MutableLiveData();
+        initialLoadStateLiveData = new MutableLiveData();
+        this.postType = postType;
+        this.sortType = sortType;
+        this.onPostFetchedCallback = onPostFetchedCallback;
+    }
+
+    PostDataSource(Retrofit retrofit, String accessToken, Locale locale, String subredditName, int postType,
+                   OnPostFetchedCallback onPostFetchedCallback) {
         this.retrofit = retrofit;
         this.accessToken = accessToken;
         this.locale = locale;
@@ -62,7 +87,7 @@ class PostDataSource extends PageKeyedDataSource<String, Post> {
     }
 
     PostDataSource(Retrofit retrofit, String accessToken, Locale locale, String subredditName, String query,
-                   int postType, OnPostFetchedCallback onPostFetchedCallback) {
+                   int postType, String sortType, OnPostFetchedCallback onPostFetchedCallback) {
         this.retrofit = retrofit;
         this.accessToken = accessToken;
         this.locale = locale;
@@ -71,6 +96,7 @@ class PostDataSource extends PageKeyedDataSource<String, Post> {
         paginationNetworkStateLiveData = new MutableLiveData();
         initialLoadStateLiveData = new MutableLiveData();
         this.postType = postType;
+        this.sortType = sortType;
         this.onPostFetchedCallback = onPostFetchedCallback;
     }
 
@@ -140,35 +166,54 @@ class PostDataSource extends PageKeyedDataSource<String, Post> {
     private void loadBestPostsInitial(@NonNull final LoadInitialCallback<String, Post> callback) {
         RedditAPI api = retrofit.create(RedditAPI.class);
 
-        Call<String> bestPost = api.getBestPosts(null, RedditUtils.getOAuthHeader(accessToken));
+        Call<String> bestPost = api.getBestPosts(sortType, null, RedditUtils.getOAuthHeader(accessToken));
         bestPost.enqueue(new Callback<String>() {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull retrofit2.Response<String> response) {
                 if (response.isSuccessful()) {
-                    ParsePost.parsePosts(response.body(), locale, -1,
+                    if(sortType.equals(SORT_TYPE_RANDOM)) {
-                            new ParsePost.ParsePostsListingListener() {
+                        ParsePost.parsePost(response.body(), locale, new ParsePost.ParsePostListener() {
-                                @Override
+                            @Override
-                                public void onParsePostsListingSuccess(ArrayList<Post> newPosts, String lastItem) {
+                            public void onParsePostSuccess(Post post) {
-                                    if(newPosts.size() == 0) {
+                                ArrayList<Post> singlePostList = new ArrayList<>();
-                                        onPostFetchedCallback.noPost();
+                                singlePostList.add(post);
-                                    } else {
+                                onPostFetchedCallback.hasPost();
-                                        onPostFetchedCallback.hasPost();
+                                callback.onResult(singlePostList, null, null);
+                                initialLoadStateLiveData.postValue(NetworkState.LOADED);
+                            }
+
+                            @Override
+                            public void onParsePostFail() {
+                                Log.i("Post fetch error", "Error parsing data");
+                                initialLoadStateLiveData.postValue(new NetworkState(NetworkState.Status.FAILED, "Error parsing data"));
+                            }
+                        });
+                    } else {
+                        ParsePost.parsePosts(response.body(), locale, -1,
+                                new ParsePost.ParsePostsListingListener() {
+                                    @Override
+                                    public void onParsePostsListingSuccess(ArrayList<Post> newPosts, String lastItem) {
+                                        if(newPosts.size() == 0) {
+                                            onPostFetchedCallback.noPost();
+                                        } else {
+                                            onPostFetchedCallback.hasPost();
+                                        }
+
+                                        if(lastItem == null || lastItem.equals("") || lastItem.equals("null")) {
+                                            callback.onResult(newPosts, null, null);
+                                        } else {
+                                            callback.onResult(newPosts, null, lastItem);
+                                        }
+                                        initialLoadStateLiveData.postValue(NetworkState.LOADED);
                                     }
 
-                                    if(lastItem == null || lastItem.equals("") || lastItem.equals("null")) {
+                                    @Override
-                                        callback.onResult(newPosts, null, null);
+                                    public void onParsePostsListingFail() {
-                                    } else {
+                                        Log.i("Post fetch error", "Error parsing data");
-                                        callback.onResult(newPosts, null, lastItem);
+                                        initialLoadStateLiveData.postValue(new NetworkState(NetworkState.Status.FAILED, "Error parsing data"));
                                     }
-                                    initialLoadStateLiveData.postValue(NetworkState.LOADED);
+                                });
-                                }
+                    }
-
-                                @Override
-                                public void onParsePostsListingFail() {
-                                    Log.i("Post fetch error", "Error parsing data");
-                                    initialLoadStateLiveData.postValue(new NetworkState(NetworkState.Status.FAILED, "Error parsing data"));
-                                }
-                            });
                 } else {
                     Log.i("Post fetch error", response.message());
                     initialLoadStateLiveData.postValue(new NetworkState(NetworkState.Status.FAILED, response.message()));
@@ -185,7 +230,7 @@ class PostDataSource extends PageKeyedDataSource<String, Post> {
 
     private void loadBestPostsAfter(@NonNull LoadParams<String> params, @NonNull final LoadCallback<String, Post> callback) {
         RedditAPI api = retrofit.create(RedditAPI.class);
-        Call<String> bestPost = api.getBestPosts(params.key, RedditUtils.getOAuthHeader(accessToken));
+        Call<String> bestPost = api.getBestPosts(sortType, params.key, RedditUtils.getOAuthHeader(accessToken));
 
         bestPost.enqueue(new Callback<String>() {
             @Override
@@ -224,35 +269,54 @@ class PostDataSource extends PageKeyedDataSource<String, Post> {
 
     private void loadSubredditPostsInitial(@NonNull final LoadInitialCallback<String, Post> callback) {
         RedditAPI api = retrofit.create(RedditAPI.class);
-        Call<String> getPost = api.getSubredditBestPosts(subredditName, null, RedditUtils.getOAuthHeader(accessToken));
+        Call<String> getPost = api.getSubredditBestPosts(subredditName, sortType, null, RedditUtils.getOAuthHeader(accessToken));
         getPost.enqueue(new Callback<String>() {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull retrofit2.Response<String> response) {
                 if(response.isSuccessful()) {
-                    ParsePost.parsePosts(response.body(), locale, -1,
+                    if(sortType.equals(SORT_TYPE_RANDOM)) {
-                            new ParsePost.ParsePostsListingListener() {
+                        ParsePost.parsePost(response.body(), locale, new ParsePost.ParsePostListener() {
-                                @Override
+                            @Override
-                                public void onParsePostsListingSuccess(ArrayList<Post> newPosts, String lastItem) {
+                            public void onParsePostSuccess(Post post) {
-                                    if(newPosts.size() == 0) {
+                                ArrayList<Post> singlePostList = new ArrayList<>();
-                                        onPostFetchedCallback.noPost();
+                                singlePostList.add(post);
-                                    } else {
+                                onPostFetchedCallback.hasPost();
-                                        onPostFetchedCallback.hasPost();
+                                callback.onResult(singlePostList, null, null);
+                                initialLoadStateLiveData.postValue(NetworkState.LOADED);
+                            }
+
+                            @Override
+                            public void onParsePostFail() {
+                                Log.i("Post fetch error", "Error parsing data");
+                                initialLoadStateLiveData.postValue(new NetworkState(NetworkState.Status.FAILED, "Error parsing data"));
+                            }
+                        });
+                    } else {
+                        ParsePost.parsePosts(response.body(), locale, -1,
+                                new ParsePost.ParsePostsListingListener() {
+                                    @Override
+                                    public void onParsePostsListingSuccess(ArrayList<Post> newPosts, String lastItem) {
+                                        if(newPosts.size() == 0) {
+                                            onPostFetchedCallback.noPost();
+                                        } else {
+                                            onPostFetchedCallback.hasPost();
+                                        }
+
+                                        if(lastItem == null || lastItem.equals("") || lastItem.equals("null")) {
+                                            callback.onResult(newPosts, null, null);
+                                        } else {
+                                            callback.onResult(newPosts, null, lastItem);
+                                        }
+                                        initialLoadStateLiveData.postValue(NetworkState.LOADED);
                                     }
 
-                                    if(lastItem == null || lastItem.equals("") || lastItem.equals("null")) {
+                                    @Override
-                                        callback.onResult(newPosts, null, null);
+                                    public void onParsePostsListingFail() {
-                                    } else {
+                                        Log.i("Post fetch error", "Error parsing data");
-                                        callback.onResult(newPosts, null, lastItem);
+                                        initialLoadStateLiveData.postValue(new NetworkState(NetworkState.Status.FAILED, "Error parsing data"));
                                     }
-                                    initialLoadStateLiveData.postValue(NetworkState.LOADED);
+                                });
-                                }
+                    }
-
-                                @Override
-                                public void onParsePostsListingFail() {
-                                    Log.i("Post fetch error", "Error parsing data");
-                                    initialLoadStateLiveData.postValue(new NetworkState(NetworkState.Status.FAILED, "Error parsing data"));
-                                }
-                            });
                 } else {
                     Log.i("Post fetch error", response.message());
                     initialLoadStateLiveData.postValue(new NetworkState(NetworkState.Status.FAILED, response.message()));
@@ -269,7 +333,7 @@ class PostDataSource extends PageKeyedDataSource<String, Post> {
 
     private void loadSubredditPostsAfter(@NonNull LoadParams<String> params, @NonNull final LoadCallback<String, Post> callback) {
         RedditAPI api = retrofit.create(RedditAPI.class);
-        Call<String> getPost = api.getSubredditBestPosts(subredditName, params.key, RedditUtils.getOAuthHeader(accessToken));
+        Call<String> getPost = api.getSubredditBestPosts(subredditName, sortType, params.key, RedditUtils.getOAuthHeader(accessToken));
         getPost.enqueue(new Callback<String>() {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull retrofit2.Response<String> response) {

app/src/main/java/ml/docilealligator/infinityforreddit/PostDataSourceFactory.java

@@ -14,18 +14,32 @@ class PostDataSourceFactory extends DataSource.Factory {
     private String subredditName;
     private String query;
     private int postType;
+    private String sortType;
     private PostDataSource.OnPostFetchedCallback onPostFetchedCallback;
 
     private PostDataSource postDataSource;
     private MutableLiveData<PostDataSource> postDataSourceLiveData;
 
-    PostDataSourceFactory(Retrofit retrofit, String accessToken, Locale locale, int postType,
+    PostDataSourceFactory(Retrofit retrofit, String accessToken, Locale locale, int postType, String sortType,
                           PostDataSource.OnPostFetchedCallback onPostFetchedCallback) {
         this.retrofit = retrofit;
         this.accessToken = accessToken;
         this.locale = locale;
         postDataSourceLiveData = new MutableLiveData<>();
         this.postType = postType;
+        this.sortType = sortType;
+        this.onPostFetchedCallback = onPostFetchedCallback;
+    }
+
+    PostDataSourceFactory(Retrofit retrofit, String accessToken, Locale locale, String subredditName,
+                          int postType, String sortType, PostDataSource.OnPostFetchedCallback onPostFetchedCallback) {
+        this.retrofit = retrofit;
+        this.accessToken = accessToken;
+        this.locale = locale;
+        this.subredditName = subredditName;
+        postDataSourceLiveData = new MutableLiveData<>();
+        this.postType = postType;
+        this.sortType = sortType;
         this.onPostFetchedCallback = onPostFetchedCallback;
     }
 
@@ -41,7 +55,7 @@ class PostDataSourceFactory extends DataSource.Factory {
     }
 
     PostDataSourceFactory(Retrofit retrofit, String accessToken, Locale locale, String subredditName,
-                          String query, int postType, PostDataSource.OnPostFetchedCallback onPostFetchedCallback) {
+                          String query, int postType, String sortType, PostDataSource.OnPostFetchedCallback onPostFetchedCallback) {
         this.retrofit = retrofit;
         this.accessToken = accessToken;
         this.locale = locale;
@@ -49,15 +63,18 @@ class PostDataSourceFactory extends DataSource.Factory {
         this.query = query;
         postDataSourceLiveData = new MutableLiveData<>();
         this.postType = postType;
+        this.sortType = sortType;
         this.onPostFetchedCallback = onPostFetchedCallback;
     }
 
     @Override
     public DataSource create() {
         if(postType == PostDataSource.TYPE_FRONT_PAGE) {
-            postDataSource = new PostDataSource(retrofit, accessToken, locale, postType, onPostFetchedCallback);
+            postDataSource = new PostDataSource(retrofit, accessToken, locale, postType, sortType, onPostFetchedCallback);
         } else if(postType == PostDataSource.TYPE_SEARCH) {
-            postDataSource = new PostDataSource(retrofit, accessToken, locale, subredditName, query, postType, onPostFetchedCallback);
+            postDataSource = new PostDataSource(retrofit, accessToken, locale, subredditName, query, postType, sortType, onPostFetchedCallback);
+        } else if(postType == PostDataSource.TYPE_SUBREDDIT) {
+            postDataSource = new PostDataSource(retrofit, accessToken, locale, subredditName, postType, sortType, onPostFetchedCallback);
         } else {
             postDataSource = new PostDataSource(retrofit, accessToken, locale, subredditName, postType, onPostFetchedCallback);
         }

app/src/main/java/ml/docilealligator/infinityforreddit/PostFragment.java

@@ -48,6 +48,7 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
     static final String EXTRA_SUBREDDIT_NAME = "EN";
     static final String EXTRA_QUERY = "EQ";
     static final String EXTRA_POST_TYPE = "EPT";
+    static final String EXTRA_SORT_TYPE = "EST";
 
     private static final String IS_IN_LAZY_MODE_STATE = "IILMS";
 
@@ -166,6 +167,7 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
         });
 
         int postType = getArguments().getInt(EXTRA_POST_TYPE);
+        String sortType = getArguments().getString(EXTRA_SORT_TYPE);
 
         String accessToken = activity.getSharedPreferences(SharedPreferencesUtils.AUTH_CODE_FILE_KEY, Context.MODE_PRIVATE)
                 .getString(SharedPreferencesUtils.ACCESS_TOKEN_KEY, "");
@@ -178,9 +180,8 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
 
             mAdapter = new PostRecyclerViewAdapter(activity, mRetrofit,
                     mSharedPreferences, postType, () -> mPostViewModel.retryLoadingMore());
-
             factory = new PostViewModel.Factory(mOauthRetrofit, accessToken,
-                    getResources().getConfiguration().locale, subredditName, query, postType, new PostDataSource.OnPostFetchedCallback() {
+                    getResources().getConfiguration().locale, subredditName, query, postType, sortType, new PostDataSource.OnPostFetchedCallback() {
                 @Override
                 public void hasPost() {
                     mFetchPostInfoLinearLayout.setVisibility(View.GONE);
@@ -194,12 +195,31 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
                     showErrorView(R.string.no_posts);
                 }
             });
-        } else if(postType != PostDataSource.TYPE_FRONT_PAGE) {
+        } else if(postType == PostDataSource.TYPE_SUBREDDIT) {
-            if(postType == PostDataSource.TYPE_USER) {
+            String subredditName = getArguments().getString(EXTRA_SUBREDDIT_NAME);
-                CoordinatorLayout.LayoutParams params = (CoordinatorLayout.LayoutParams) mFetchPostInfoLinearLayout.getLayoutParams();
+
-                params.height = ViewGroup.LayoutParams.WRAP_CONTENT;
+            mAdapter = new PostRecyclerViewAdapter(activity, mRetrofit,
-                mFetchPostInfoLinearLayout.setLayoutParams(params);
+                    mSharedPreferences, postType, () -> mPostViewModel.retryLoadingMore());
-            }
+
+            factory = new PostViewModel.Factory(mOauthRetrofit, accessToken,
+                    getResources().getConfiguration().locale, subredditName, postType, sortType, new PostDataSource.OnPostFetchedCallback() {
+                @Override
+                public void hasPost() {
+                    mFetchPostInfoLinearLayout.setVisibility(View.GONE);
+                }
+
+                @Override
+                public void noPost() {
+                    mFetchPostInfoLinearLayout.setOnClickListener(view -> {
+                        //Do nothing
+                    });
+                    showErrorView(R.string.no_posts);
+                }
+            });
+        } else if(postType == PostDataSource.TYPE_USER) {
+            CoordinatorLayout.LayoutParams params = (CoordinatorLayout.LayoutParams) mFetchPostInfoLinearLayout.getLayoutParams();
+            params.height = ViewGroup.LayoutParams.WRAP_CONTENT;
+            mFetchPostInfoLinearLayout.setLayoutParams(params);
 
             String subredditName = getArguments().getString(EXTRA_SUBREDDIT_NAME);
 
@@ -207,7 +227,8 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
                     mSharedPreferences, postType, () -> mPostViewModel.retryLoadingMore());
 
             factory = new PostViewModel.Factory(mOauthRetrofit, accessToken,
-                    getResources().getConfiguration().locale, subredditName, postType, new PostDataSource.OnPostFetchedCallback() {
+                    getResources().getConfiguration().locale, subredditName, postType, sortType,
+                    new PostDataSource.OnPostFetchedCallback() {
                 @Override
                 public void hasPost() {
                     mFetchPostInfoLinearLayout.setVisibility(View.GONE);
@@ -226,7 +247,7 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
                     mSharedPreferences, postType, () -> mPostViewModel.retryLoadingMore());
 
             factory = new PostViewModel.Factory(mOauthRetrofit, accessToken,
-                    getResources().getConfiguration().locale, postType, new PostDataSource.OnPostFetchedCallback() {
+                    getResources().getConfiguration().locale, postType, sortType, new PostDataSource.OnPostFetchedCallback() {
                 @Override
                 public void hasPost() {
                     mFetchPostInfoLinearLayout.setVisibility(View.GONE);

app/src/main/java/ml/docilealligator/infinityforreddit/PostImageActivity.java

@@ -260,6 +260,7 @@ public class PostImageActivity extends AppCompatActivity implements FlairBottomS
             imageUri = null;
             selectAgainTextView.setVisibility(View.GONE);
             mGlide.clear(imageView);
+            imageView.setVisibility(View.GONE);
             constraintLayout.setVisibility(View.VISIBLE);
         });
     }

app/src/main/java/ml/docilealligator/infinityforreddit/PostVideoActivity.java

@@ -13,9 +13,9 @@ import android.view.MenuItem;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
-import android.widget.ImageView;
 import android.widget.TextView;
 import android.widget.Toast;
+import android.widget.VideoView;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -77,7 +77,7 @@ public class PostVideoActivity extends AppCompatActivity implements FlairBottomS
     @BindView(R.id.capture_fab_post_video_activity) FloatingActionButton captureFab;
     @BindView(R.id.select_from_library_fab_post_video_activity) FloatingActionButton selectFromLibraryFab;
     @BindView(R.id.select_again_text_view_post_video_activity) TextView selectAgainTextView;
-    @BindView(R.id.image_view_post_video_activity) ImageView imageView;
+    @BindView(R.id.video_view_post_video_activity) VideoView videoView;
 
     private String iconUrl;
     private String subredditName;
@@ -248,19 +248,26 @@ public class PostVideoActivity extends AppCompatActivity implements FlairBottomS
             startActivityForResult(Intent.createChooser(intent,getResources().getString(R.string.select_from_gallery)), PICK_VIDEO_REQUEST_CODE);
         });
 
+        videoView.setOnPreparedListener(mediaPlayer -> {
+            mediaPlayer.setLooping(true);
+            mediaPlayer.setVolume(0, 0);
+        });
+
         selectAgainTextView.setOnClickListener(view -> {
             videoUri = null;
             selectAgainTextView.setVisibility(View.GONE);
-            mGlide.clear(imageView);
+            videoView.stopPlayback();
+            videoView.setVisibility(View.GONE);
             constraintLayout.setVisibility(View.VISIBLE);
         });
     }
 
     private void loadImage() {
         constraintLayout.setVisibility(View.GONE);
-        imageView.setVisibility(View.VISIBLE);
+        videoView.setVisibility(View.VISIBLE);
         selectAgainTextView.setVisibility(View.VISIBLE);
-        mGlide.asBitmap().load(videoUri).into(imageView);
+        videoView.setVideoURI(videoUri);
+        videoView.start();
     }
 
     private void displaySubredditIcon() {
@@ -376,6 +383,12 @@ public class PostVideoActivity extends AppCompatActivity implements FlairBottomS
         return false;
     }
 
+    @Override
+    protected void onStop() {
+        super.onStop();
+        videoView.stopPlayback();
+    }
+
     @Override
     protected void onSaveInstanceState(@NonNull Bundle outState) {
         super.onSaveInstanceState(outState);

app/src/main/java/ml/docilealligator/infinityforreddit/PostViewModel.java

@@ -19,9 +19,9 @@ public class PostViewModel extends ViewModel {
     private LiveData<NetworkState> initialLoadingState;
     private LiveData<PagedList<Post>> posts;
 
-    public PostViewModel(Retrofit retrofit, String accessToken, Locale locale, int postType,
+    public PostViewModel(Retrofit retrofit, String accessToken, Locale locale, int postType, String sortType,
                          PostDataSource.OnPostFetchedCallback onPostFetchedCallback) {
-        postDataSourceFactory = new PostDataSourceFactory(retrofit, accessToken, locale, postType, onPostFetchedCallback);
+        postDataSourceFactory = new PostDataSourceFactory(retrofit, accessToken, locale, postType, sortType, onPostFetchedCallback);
 
         initialLoadingState = Transformations.switchMap(postDataSourceFactory.getPostDataSourceLiveData(),
                 (Function<PostDataSource, LiveData<NetworkState>>) PostDataSource::getInitialLoadStateLiveData);
@@ -36,6 +36,24 @@ public class PostViewModel extends ViewModel {
         posts = (new LivePagedListBuilder(postDataSourceFactory, pagedListConfig)).build();
     }
 
+    public PostViewModel(Retrofit retrofit, String accessToken, Locale locale, String subredditName, int postType,
+                         String sortType, PostDataSource.OnPostFetchedCallback onPostFetchedCallback) {
+        postDataSourceFactory = new PostDataSourceFactory(retrofit, accessToken, locale, subredditName, postType, sortType, onPostFetchedCallback);
+
+        initialLoadingState = Transformations.switchMap(postDataSourceFactory.getPostDataSourceLiveData(),
+                dataSource -> dataSource.getInitialLoadStateLiveData());
+        paginationNetworkState = Transformations.switchMap(postDataSourceFactory.getPostDataSourceLiveData(),
+                dataSource -> dataSource.getPaginationNetworkStateLiveData());
+
+        PagedList.Config pagedListConfig =
+                (new PagedList.Config.Builder())
+                        .setEnablePlaceholders(false)
+                        .setPageSize(25)
+                        .build();
+
+        posts = (new LivePagedListBuilder(postDataSourceFactory, pagedListConfig)).build();
+    }
+
     public PostViewModel(Retrofit retrofit, String accessToken, Locale locale, String subredditName, int postType,
                          PostDataSource.OnPostFetchedCallback onPostFetchedCallback) {
         postDataSourceFactory = new PostDataSourceFactory(retrofit, accessToken, locale, subredditName, postType, onPostFetchedCallback);
@@ -55,9 +73,9 @@ public class PostViewModel extends ViewModel {
     }
 
     public PostViewModel(Retrofit retrofit, String accessToken, Locale locale, String subredditName, String query,
-                         int postType, PostDataSource.OnPostFetchedCallback onPostFetchedCallback) {
+                         int postType, String sortType, PostDataSource.OnPostFetchedCallback onPostFetchedCallback) {
         postDataSourceFactory = new PostDataSourceFactory(retrofit, accessToken, locale, subredditName,
-                query, postType, onPostFetchedCallback);
+                query, postType, sortType, onPostFetchedCallback);
 
         initialLoadingState = Transformations.switchMap(postDataSourceFactory.getPostDataSourceLiveData(),
                 dataSource -> dataSource.getInitialLoadStateLiveData());
@@ -104,14 +122,27 @@ public class PostViewModel extends ViewModel {
         private String subredditName;
         private String query;
         private int postType;
+        private String sortType;
         private PostDataSource.OnPostFetchedCallback onPostFetchedCallback;
 
-        public Factory(Retrofit retrofit, String accessToken, Locale locale, int postType,
+        public Factory(Retrofit retrofit, String accessToken, Locale locale, int postType, String sortType,
                        PostDataSource.OnPostFetchedCallback onPostFetchedCallback) {
             this.retrofit = retrofit;
             this.accessToken = accessToken;
             this.locale = locale;
             this.postType = postType;
+            this.sortType = sortType;
+            this.onPostFetchedCallback = onPostFetchedCallback;
+        }
+
+        public Factory(Retrofit retrofit, String accessToken, Locale locale, String subredditName, int postType,
+                       String sortType, PostDataSource.OnPostFetchedCallback onPostFetchedCallback) {
+            this.retrofit = retrofit;
+            this.accessToken = accessToken;
+            this.locale = locale;
+            this.subredditName = subredditName;
+            this.postType = postType;
+            this.sortType = sortType;
             this.onPostFetchedCallback = onPostFetchedCallback;
         }
 
@@ -126,13 +157,14 @@ public class PostViewModel extends ViewModel {
         }
 
         public Factory(Retrofit retrofit, String accessToken, Locale locale, String subredditName, String query,
-                       int postType, PostDataSource.OnPostFetchedCallback onPostFetchedCallback) {
+                       int postType, String sortType, PostDataSource.OnPostFetchedCallback onPostFetchedCallback) {
             this.retrofit = retrofit;
             this.accessToken = accessToken;
             this.locale = locale;
             this.subredditName = subredditName;
             this.query = query;
             this.postType = postType;
+            this.sortType = sortType;
             this.onPostFetchedCallback = onPostFetchedCallback;
         }
 
@@ -140,9 +172,11 @@ public class PostViewModel extends ViewModel {
         @Override
         public <T extends ViewModel> T create(@NonNull Class<T> modelClass) {
             if(postType == PostDataSource.TYPE_FRONT_PAGE) {
-                return (T) new PostViewModel(retrofit, accessToken, locale, postType, onPostFetchedCallback);
+                return (T) new PostViewModel(retrofit, accessToken, locale, postType, sortType, onPostFetchedCallback);
             } else if(postType == PostDataSource.TYPE_SEARCH){
-                return (T) new PostViewModel(retrofit, accessToken, locale, subredditName, query, postType, onPostFetchedCallback);
+                return (T) new PostViewModel(retrofit, accessToken, locale, subredditName, query, postType, sortType, onPostFetchedCallback);
+            } else if(postType == PostDataSource.TYPE_SUBREDDIT) {
+                return (T) new PostViewModel(retrofit, accessToken, locale, subredditName, postType, sortType, onPostFetchedCallback);
             } else {
                 return (T) new PostViewModel(retrofit, accessToken, locale, subredditName, postType, onPostFetchedCallback);
             }

app/src/main/java/ml/docilealligator/infinityforreddit/RedditAPI.java

@@ -41,12 +41,12 @@ public interface RedditAPI {
     @GET("comments/{id}.json?raw_json=1")
     Call<String> getPost(@Path("id") String id, @HeaderMap Map<String, String> headers);
 
-    @GET("best?raw_json=1")
+    @GET("{sortType}?raw_json=1")
-    Call<String> getBestPosts(@Query("after") String lastItem, @HeaderMap Map<String, String> headers);
+    Call<String> getBestPosts(@Path("sortType") String sortType, @Query("after") String lastItem, @HeaderMap Map<String, String> headers);
 
-    @GET("r/{subredditName}.json?raw_json=1&limit=25")
+    @GET("r/{subredditName}/{sortType}.json?raw_json=1&limit=25")
-    Call<String> getSubredditBestPosts(@Path("subredditName") String subredditName, @Query("after") String lastItem,
+    Call<String> getSubredditBestPosts(@Path("subredditName") String subredditName, @Path("sortType") String sortType,
-                                       @HeaderMap Map<String, String> headers);
+                                       @Query("after") String lastItem, @HeaderMap Map<String, String> headers);
 
     @GET("user/{username}/submitted.json?raw_json=1&limit=25")
     Call<String> getUserBestPosts(@Path("username") String username, @Query("after") String lastItem,

app/src/main/java/ml/docilealligator/infinityforreddit/SearchResultActivity.java

@@ -102,6 +102,7 @@ public class SearchResultActivity extends AppCompatActivity {
                     PostFragment mFragment = new PostFragment();
                     Bundle bundle = new Bundle();
                     bundle.putInt(PostFragment.EXTRA_POST_TYPE, PostDataSource.TYPE_SEARCH);
+                    bundle.putString(PostFragment.EXTRA_SORT_TYPE, PostDataSource.SORT_TYPE_BEST);
                     bundle.putString(PostFragment.EXTRA_SUBREDDIT_NAME, mSubredditName);
                     bundle.putString(PostFragment.EXTRA_QUERY, mQuery);
                     mFragment.setArguments(bundle);

app/src/main/java/ml/docilealligator/infinityforreddit/SortTypeBottomSheetFragment.java

@@ -0,0 +1,88 @@
+package ml.docilealligator.infinityforreddit;
+
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+
+import com.google.android.material.bottomsheet.BottomSheetDialogFragment;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+
+
+/**
+ * A simple {@link Fragment} subclass.
+ */
+public class SortTypeBottomSheetFragment extends BottomSheetDialogFragment {
+
+    interface SortTypeSelectionCallback {
+        void sortTypeSelected(String sortType);
+    }
+
+    @BindView(R.id.best_type_text_view_sort_type_bottom_sheet_fragment) TextView bestTypeTextView;
+    @BindView(R.id.hot_type_text_view_sort_type_bottom_sheet_fragment) TextView hotTypeTextView;
+    @BindView(R.id.new_type_text_view_sort_type_bottom_sheet_fragment) TextView newTypeTextView;
+    @BindView(R.id.random_type_text_view_sort_type_bottom_sheet_fragment) TextView randomTypeTextView;
+    @BindView(R.id.rising_type_text_view_sort_type_bottom_sheet_fragment) TextView risingTypeTextView;
+    @BindView(R.id.top_type_text_view_sort_type_bottom_sheet_fragment) TextView topTypeTextView;
+    @BindView(R.id.controversial_type_text_view_sort_type_bottom_sheet_fragment) TextView controversialTypeTextView;
+
+    public SortTypeBottomSheetFragment() {
+        // Required empty public constructor
+    }
+
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_sort_type_bottom_sheet, container, false);
+        ButterKnife.bind(this, rootView);
+
+        Activity activity = getActivity();
+
+        bestTypeTextView.setOnClickListener(view -> {
+            ((SortTypeSelectionCallback) activity).sortTypeSelected(PostDataSource.SORT_TYPE_BEST);
+            dismiss();
+        });
+
+        hotTypeTextView.setOnClickListener(view -> {
+            ((SortTypeSelectionCallback) activity).sortTypeSelected(PostDataSource.SORT_TYPE_HOT);
+            dismiss();
+        });
+
+        newTypeTextView.setOnClickListener(view -> {
+            ((SortTypeSelectionCallback) activity).sortTypeSelected(PostDataSource.SORT_TYPE_NEW);
+            dismiss();
+        });
+
+        randomTypeTextView.setOnClickListener(view -> {
+            ((SortTypeSelectionCallback) activity).sortTypeSelected(PostDataSource.SORT_TYPE_RANDOM);
+            dismiss();
+        });
+
+        risingTypeTextView.setOnClickListener(view -> {
+            ((SortTypeSelectionCallback) activity).sortTypeSelected(PostDataSource.SORT_TYPE_RISING);
+            dismiss();
+        });
+
+        topTypeTextView.setOnClickListener(view -> {
+            ((SortTypeSelectionCallback) activity).sortTypeSelected(PostDataSource.SORT_TYPE_TOP);
+            dismiss();
+        });
+
+        controversialTypeTextView.setOnClickListener(view -> {
+            ((SortTypeSelectionCallback) activity).sortTypeSelected(PostDataSource.SORT_TYPE_BEST);
+            dismiss();
+        });
+
+        return rootView;
+    }
+
+}

app/src/main/java/ml/docilealligator/infinityforreddit/ViewSubredditDetailActivity.java

@@ -43,7 +43,7 @@ import jp.wasabeef.glide.transformations.RoundedCornersTransformation;
 import pl.droidsonroids.gif.GifImageView;
 import retrofit2.Retrofit;
 
-public class ViewSubredditDetailActivity extends AppCompatActivity {
+public class ViewSubredditDetailActivity extends AppCompatActivity implements SortTypeBottomSheetFragment.SortTypeSelectionCallback {
 
     public static final String EXTRA_SUBREDDIT_NAME_KEY = "ESN";
 
@@ -72,6 +72,7 @@ public class ViewSubredditDetailActivity extends AppCompatActivity {
     private Menu mMenu;
     private AppBarLayout.LayoutParams params;
     private BottomSheetDialog dialog;
+    private SortTypeBottomSheetFragment sortTypeBottomSheetFragment;
 
     private SubscribedSubredditDao subscribedSubredditDao;
     private SubredditViewModel mSubredditViewModel;
@@ -95,6 +96,8 @@ public class ViewSubredditDetailActivity extends AppCompatActivity {
 
         ButterKnife.bind(this);
 
+        ((Infinity) getApplication()).getmAppComponent().inject(this);
+
         View dialogView = View.inflate(this, R.layout.post_type_bottom_sheet, null);
         LinearLayout textTypeLinearLayout = dialogView.findViewById(R.id.text_type_linear_layout_post_type_bottom_sheet);
         LinearLayout linkTypeLinearLayout = dialogView.findViewById(R.id.link_type_linear_layout_post_type_bottom_sheet);
@@ -104,7 +107,7 @@ public class ViewSubredditDetailActivity extends AppCompatActivity {
         dialog = new BottomSheetDialog(this);
         dialog.setContentView(dialogView);
 
-        ((Infinity) getApplication()).getmAppComponent().inject(this);
+        sortTypeBottomSheetFragment = new SortTypeBottomSheetFragment();
 
         params = (AppBarLayout.LayoutParams) collapsingToolbarLayout.getLayoutParams();
 
@@ -259,12 +262,7 @@ public class ViewSubredditDetailActivity extends AppCompatActivity {
         });
 
         if(savedInstanceState == null) {
-            mFragment = new PostFragment();
+            replaceFragment(PostDataSource.SORT_TYPE_BEST);
-            Bundle bundle = new Bundle();
-            bundle.putString(PostFragment.EXTRA_SUBREDDIT_NAME, subredditName);
-            bundle.putInt(PostFragment.EXTRA_POST_TYPE, PostDataSource.TYPE_SUBREDDIT);
-            mFragment.setArguments(bundle);
-            getSupportFragmentManager().beginTransaction().replace(R.id.frame_layout_view_subreddit_detail_activity, mFragment).commit();
         } else {
             mFragment = getSupportFragmentManager().getFragment(savedInstanceState, FRAGMENT_OUT_STATE_KEY);
             if(mFragment == null) {
@@ -272,6 +270,7 @@ public class ViewSubredditDetailActivity extends AppCompatActivity {
                 Bundle bundle = new Bundle();
                 bundle.putString(PostFragment.EXTRA_SUBREDDIT_NAME, subredditName);
                 bundle.putInt(PostFragment.EXTRA_POST_TYPE, PostDataSource.TYPE_SUBREDDIT);
+                bundle.putString(PostFragment.EXTRA_SORT_TYPE, PostDataSource.SORT_TYPE_BEST);
                 mFragment.setArguments(bundle);
             }
             isInLazyMode = savedInstanceState.getBoolean(IS_IN_LAZY_MODE_STATE);
@@ -335,6 +334,9 @@ public class ViewSubredditDetailActivity extends AppCompatActivity {
             case android.R.id.home:
                 finish();
                 return true;
+            case R.id.action_sort_view_subreddit_detail_activity:
+                sortTypeBottomSheetFragment.show(getSupportFragmentManager(), sortTypeBottomSheetFragment.getTag());
+                return true;
             case R.id.action_search_view_subreddit_detail_activity:
                 Intent intent = new Intent(this, SearchActivity.class);
                 intent.putExtra(SearchActivity.EXTRA_SUBREDDIT_NAME, subredditName);
@@ -367,6 +369,16 @@ public class ViewSubredditDetailActivity extends AppCompatActivity {
         return false;
     }
 
+    private void replaceFragment(String sortType) {
+        mFragment = new PostFragment();
+        Bundle bundle = new Bundle();
+        bundle.putString(PostFragment.EXTRA_SUBREDDIT_NAME, subredditName);
+        bundle.putInt(PostFragment.EXTRA_POST_TYPE, PostDataSource.TYPE_SUBREDDIT);
+        bundle.putString(PostFragment.EXTRA_SORT_TYPE, sortType);
+        mFragment.setArguments(bundle);
+        getSupportFragmentManager().beginTransaction().replace(R.id.frame_layout_view_subreddit_detail_activity, mFragment).commit();
+    }
+
     @Override
     protected void onSaveInstanceState(@NonNull Bundle outState) {
         super.onSaveInstanceState(outState);
@@ -378,6 +390,11 @@ public class ViewSubredditDetailActivity extends AppCompatActivity {
         Snackbar.make(coordinatorLayout, resId, Snackbar.LENGTH_SHORT).show();
     }
 
+    @Override
+    public void sortTypeSelected(String sortType) {
+        replaceFragment(sortType);
+    }
+
     private static class InsertSubredditDataAsyncTask extends AsyncTask<Void, Void, Void> {
 
         private SubredditDao mSubredditDao;

app/src/main/res/drawable/ic_outline_sort_24px.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FFFFFF"
+      android:pathData="M3,18h6v-2L3,16v2zM3,6v2h18L21,6L3,6zM3,13h12v-2L3,11v2z"/>
+</vector>

app/src/main/res/layout/activity_post_video.xml

@@ -166,13 +166,11 @@
                 android:textColor="@color/colorAccent"
                 android:visibility="gone" />
 
-            <ImageView
+            <VideoView
-                android:id="@+id/image_view_post_video_activity"
+                android:id="@+id/video_view_post_video_activity"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:scaleType="fitStart"
+                android:visibility="gone"/>
-                android:adjustViewBounds="true"
-                android:visibility="gone" />
 
         </LinearLayout>
 

app/src/main/res/layout/fragment_sort_type_bottom_sheet.xml

@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="16dp"
+        android:text="@string/sort"
+        android:textSize="18sp" />
+
+    <TextView
+        android:id="@+id/best_type_text_view_sort_type_bottom_sheet_fragment"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_best"
+        android:textColor="@color/primaryTextColor"
+        android:textSize="18sp"
+        android:padding="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
+    <TextView
+        android:id="@+id/hot_type_text_view_sort_type_bottom_sheet_fragment"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_hot"
+        android:textColor="@color/primaryTextColor"
+        android:textSize="18sp"
+        android:padding="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
+    <TextView
+        android:id="@+id/new_type_text_view_sort_type_bottom_sheet_fragment"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_new"
+        android:textColor="@color/primaryTextColor"
+        android:textSize="18sp"
+        android:padding="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
+    <TextView
+        android:id="@+id/random_type_text_view_sort_type_bottom_sheet_fragment"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_random"
+        android:textColor="@color/primaryTextColor"
+        android:textSize="18sp"
+        android:padding="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
+    <TextView
+        android:id="@+id/rising_type_text_view_sort_type_bottom_sheet_fragment"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_rising"
+        android:textColor="@color/primaryTextColor"
+        android:textSize="18sp"
+        android:padding="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
+    <TextView
+        android:id="@+id/top_type_text_view_sort_type_bottom_sheet_fragment"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_top"
+        android:textColor="@color/primaryTextColor"
+        android:textSize="18sp"
+        android:padding="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
+    <TextView
+        android:id="@+id/controversial_type_text_view_sort_type_bottom_sheet_fragment"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_rising"
+        android:textColor="@color/primaryTextColor"
+        android:textSize="18sp"
+        android:padding="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
+</LinearLayout>

app/src/main/res/layout/sort_type_bottom_sheet.xml

@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="16dp"
+        android:text="@string/sort"
+        android:textSize="18sp" />
+
+    <TextView
+        android:id="@+id/best_type_text_view_sort_type_bottom_sheet"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_best"
+        android:textColor="@color/primaryTextColor"
+        android:textSize="18sp"
+        android:padding="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
+    <TextView
+        android:id="@+id/hot_type_text_view_sort_type_bottom_sheet"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_hot"
+        android:textColor="@color/primaryTextColor"
+        android:textSize="18sp"
+        android:padding="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
+    <TextView
+        android:id="@+id/new_type_text_view_sort_type_bottom_sheet"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_new"
+        android:textColor="@color/primaryTextColor"
+        android:textSize="18sp"
+        android:padding="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
+    <TextView
+        android:id="@+id/random_type_text_view_sort_type_bottom_sheet"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_random"
+        android:textColor="@color/primaryTextColor"
+        android:textSize="18sp"
+        android:padding="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
+    <TextView
+        android:id="@+id/rising_type_text_view_sort_type_bottom_sheet"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_rising"
+        android:textColor="@color/primaryTextColor"
+        android:textSize="18sp"
+        android:padding="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
+    <TextView
+        android:id="@+id/top_type_text_view_sort_type_bottom_sheet"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_top"
+        android:textColor="@color/primaryTextColor"
+        android:textSize="18sp"
+        android:padding="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
+    <TextView
+        android:id="@+id/controversial_type_text_view_sort_type_bottom_sheet"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/sort_rising"
+        android:textColor="@color/primaryTextColor"
+        android:textSize="18sp"
+        android:padding="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
+</LinearLayout>

app/src/main/res/menu/main_activity.xml

@@ -4,21 +4,28 @@
     xmlns:tools="http://schemas.android.com/tools"
     tools:context="ml.docilealligator.infinityforreddit.MainActivity">
     <item
-        android:id="@+id/action_search_main_activity"
+        android:id="@+id/action_sort_main_activity"
         android:orderInCategory="1"
         android:title="@string/action_search"
+        android:icon="@drawable/ic_outline_sort_24px"
+        app:showAsAction="ifRoom" />
+
+    <item
+        android:id="@+id/action_search_main_activity"
+        android:orderInCategory="2"
+        android:title="@string/action_search"
         android:icon="@drawable/ic_search_white_24dp"
         app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_refresh_main_activity"
-        android:orderInCategory="2"
+        android:orderInCategory="3"
         android:title="@string/action_refresh"
         app:showAsAction="never" />
 
     <item
         android:id="@+id/action_lazy_mode_main_activity"
-        android:orderInCategory="3"
+        android:orderInCategory="4"
         android:title="@string/action_start_lazy_mode"
         app:showAsAction="never" />
 </menu>

app/src/main/res/menu/view_subreddit_detail_activity.xml

@@ -4,21 +4,28 @@
     xmlns:tools="http://schemas.android.com/tools"
     tools:context="ml.docilealligator.infinityforreddit.ViewSubredditDetailActivity">
     <item
-        android:id="@+id/action_search_view_subreddit_detail_activity"
+        android:id="@+id/action_sort_view_subreddit_detail_activity"
         android:orderInCategory="1"
         android:title="@string/action_search"
+        android:icon="@drawable/ic_outline_sort_24px"
+        app:showAsAction="ifRoom" />
+
+    <item
+        android:id="@+id/action_search_view_subreddit_detail_activity"
+        android:orderInCategory="2"
+        android:title="@string/action_search"
         android:icon="@drawable/ic_search_white_24dp"
         app:showAsAction="ifRoom" />
     <item
         android:id="@+id/action_refresh_view_subreddit_detail_activity"
-        android:orderInCategory="2"
+        android:orderInCategory="3"
         android:title="@string/action_refresh"
         android:icon="@drawable/ic_refresh_white_24dp"
         app:showAsAction="never" />
 
     <item
         android:id="@+id/action_lazy_mode_view_subreddit_detail_activity"
-        android:orderInCategory="3"
+        android:orderInCategory="4"
         android:title="@string/action_start_lazy_mode"
         app:showAsAction="never" />
 </menu>

app/src/main/res/values/strings.xml

@@ -133,4 +133,16 @@
     <string name="all_subreddits">All subreddits</string>
 
     <string name="error_loading_post">Error loading this post.\nTap to retry.</string>
+
+    <string name="sort">Sort</string>
+    <string name="sort_best">Best</string>
+    <string name="sort_hot">Hot</string>
+    <string name="sort_new">New</string>
+    <string name="sort_random">Random</string>
+    <string name="sort_rising">Rising</string>
+    <string name="sort_top">Top</string>
+    <string name="sort_controversial">Controversial</string>
+
+    <!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</string>
 </resources>