Random post and subreddit is available.

app/build.gradle

@@ -38,7 +38,7 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'androidx.browser:browser:1.2.0'
     implementation 'androidx.cardview:cardview:1.0.0'
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.0-rc1'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.1'
     // Lifecycle components
     def lifecycleVersion = '2.2.0'
     implementation "androidx.lifecycle:lifecycle-extensions:$lifecycleVersion"
@@ -52,7 +52,7 @@ dependencies {
     implementation "androidx.room:room-runtime:$roomVersion"
     annotationProcessor "androidx.room:room-compiler:$roomVersion"
     implementation 'androidx.work:work-runtime:2.4.0'
-    implementation 'com.google.android.material:material:1.3.0-alpha02'
+    implementation 'com.google.android.material:material:1.3.0-alpha03'
 
     implementation 'com.google.android.exoplayer:exoplayer-core:2.10.4'
     implementation 'com.google.android.exoplayer:exoplayer-hls:2.10.4'
@@ -66,7 +66,7 @@ dependencies {
     implementation 'com.squareup.retrofit2:retrofit:2.9.0'
     implementation 'com.squareup.retrofit2:converter-scalars:2.9.0'
     implementation 'jp.wasabeef:glide-transformations:4.1.0'
-    implementation 'com.google.dagger:dagger:2.28.1'
+    implementation 'com.google.dagger:dagger:2.28.3'
     annotationProcessor 'com.google.dagger:dagger-compiler:2.28.1'
     implementation 'com.jakewharton:butterknife:10.2.1'
     annotationProcessor 'com.jakewharton:butterknife-compiler:10.2.1'
@@ -90,12 +90,13 @@ dependencies {
     annotationProcessor 'com.evernote:android-state-processor:1.4.1'
     implementation 'com.nex3z:flow-layout:1.3.0'
     implementation 'com.r0adkll:slidableactivity:2.1.0'
-    implementation 'com.atlassian.commonmark:commonmark:0.13.1'
+    implementation 'com.atlassian.commonmark:commonmark:0.14.0'
     implementation 'com.google.code.gson:gson:2.8.6'
     implementation 'me.zhanghai.android.fastscroll:library:1.1.2'
     implementation "com.thefuntasty.hauler:core:3.1.0"
     implementation 'com.github.Piasy:BigImageViewer:1.6.5'
-    implementation 'androidx.biometric:biometric:1.1.0-alpha02'
+    implementation 'androidx.biometric:biometric:1.1.0-beta01'
+    implementation 'com.airbnb.android:lottie:3.4.4'
 
     def toroVersion = '3.7.0.2010003'
     implementation "im.ene.toro3:toro:$toroVersion"

app/src/main/AndroidManifest.xml

@@ -32,10 +32,14 @@
         android:theme="@style/AppTheme"
         android:usesCleartextTraffic="true"
         tools:replace="android:label">
-        <activity android:name=".Activity.GiveAwardActivity"
+        <activity android:name=".Activity.FetchRandomSubredditOrPostActivity"
+            android:parentActivityName=".Activity.MainActivity"
+            android:theme="@style/AppTheme.NoActionBar" />
+        <activity
+            android:name=".Activity.GiveAwardActivity"
             android:label="@string/give_award_activity_label"
             android:parentActivityName=".Activity.MainActivity"
-            android:theme="@style/AppTheme.Slidable"/>
+            android:theme="@style/AppTheme.Slidable" />
         <activity
             android:name=".Activity.SelectUserFlairActivity"
             android:parentActivityName=".Activity.MainActivity"

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

@@ -334,6 +334,6 @@ public interface RedditAPI {
     @GET("/r/random/comments.json?limit=1&raw_json=1")
     Call<String> getRandomPost();
 
-    @GET("/r/randnsfw/new?sort=new&t=all&limit=1&raw_json=1")
+    @GET("/r/randnsfw/new.json?sort=new&t=all&limit=1&raw_json=1")
     Call<String> getRandomNSFWPost();
 }

app/src/main/java/ml/docilealligator/infinityforreddit/Activity/FetchRandomSubredditOrPostActivity.java

@@ -0,0 +1,95 @@
+package ml.docilealligator.infinityforreddit.Activity;
+
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.widget.RelativeLayout;
+import android.widget.Toast;
+
+import com.airbnb.lottie.LottieAnimationView;
+
+import javax.inject.Inject;
+import javax.inject.Named;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import ml.docilealligator.infinityforreddit.BottomSheetFragment.RandomBottomSheetFragment;
+import ml.docilealligator.infinityforreddit.CustomTheme.CustomThemeWrapper;
+import ml.docilealligator.infinityforreddit.Infinity;
+import ml.docilealligator.infinityforreddit.Post.FetchPost;
+import ml.docilealligator.infinityforreddit.R;
+import retrofit2.Retrofit;
+
+public class FetchRandomSubredditOrPostActivity extends BaseActivity {
+
+    public static final String EXTRA_RANDOM_OPTION = "ERO";
+
+    @BindView(R.id.relative_layout_fetch_random_subreddit_or_post_activity)
+    RelativeLayout relativeLayout;
+    @BindView(R.id.lottie_animation_view_fetch_random_subreddit_or_post_activity)
+    LottieAnimationView lottieAnimationView;
+    @Inject
+    @Named("no_oauth")
+    Retrofit mRetrofit;
+    @Inject
+    @Named("default")
+    SharedPreferences mSharedPreferences;
+    @Inject
+    CustomThemeWrapper mCustomThemeWrapper;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        ((Infinity) getApplicationContext()).getAppComponent().inject(this);
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_fetch_random_subreddit_or_post);
+
+        ButterKnife.bind(this);
+
+        int option = getIntent().getIntExtra(EXTRA_RANDOM_OPTION, RandomBottomSheetFragment.RANDOM_SUBREDDIT);
+
+        FetchPost.fetchRandomPost(mRetrofit, option == RandomBottomSheetFragment.RANDOM_NSFW_SUBREDDIT
+                || option == RandomBottomSheetFragment.RANDOM_NSFW_POST, new FetchPost.FetchRandomPostListener() {
+            @Override
+            public void fetchRandomPostSuccess(String postId, String subredditName) {
+                switch (option) {
+                    case RandomBottomSheetFragment.RANDOM_SUBREDDIT:
+                    case RandomBottomSheetFragment.RANDOM_NSFW_SUBREDDIT: {
+                        Intent intent = new Intent(FetchRandomSubredditOrPostActivity.this, ViewSubredditDetailActivity.class);
+                        intent.putExtra(ViewSubredditDetailActivity.EXTRA_SUBREDDIT_NAME_KEY, subredditName);
+                        startActivity(intent);
+                    }
+                    break;
+                    case RandomBottomSheetFragment.RANDOM_POST:
+                    case RandomBottomSheetFragment.RANDOM_NSFW_POST:
+                        Intent intent = new Intent(FetchRandomSubredditOrPostActivity.this, ViewPostDetailActivity.class);
+                        intent.putExtra(ViewPostDetailActivity.EXTRA_POST_ID, postId);
+                        startActivity(intent);
+                        break;
+                }
+
+                finish();
+            }
+
+            @Override
+            public void fetchRandomPostFailed() {
+                Toast.makeText(FetchRandomSubredditOrPostActivity.this, R.string.fetch_random_thing_failed, Toast.LENGTH_SHORT).show();
+                finish();
+            }
+        });
+    }
+
+    @Override
+    protected SharedPreferences getDefaultSharedPreferences() {
+        return mSharedPreferences;
+    }
+
+    @Override
+    protected CustomThemeWrapper getCustomThemeWrapper() {
+        return mCustomThemeWrapper;
+    }
+
+    @Override
+    protected void applyCustomTheme() {
+        relativeLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
+    }
+}

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

@@ -73,6 +73,7 @@ import ml.docilealligator.infinityforreddit.AsyncTask.SwitchToAnonymousAccountAs
 import ml.docilealligator.infinityforreddit.BottomSheetFragment.FABMoreOptionsBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.BottomSheetFragment.PostLayoutBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.BottomSheetFragment.PostTypeBottomSheetFragment;
+import ml.docilealligator.infinityforreddit.BottomSheetFragment.RandomBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.BottomSheetFragment.SortTimeBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.BottomSheetFragment.SortTypeBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.CustomTheme.CustomThemeWrapper;
@@ -108,7 +109,7 @@ import static androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_YES;
 
 public class MainActivity extends BaseActivity implements SortTypeSelectionCallback,
         PostTypeBottomSheetFragment.PostTypeSelectionCallback, PostLayoutBottomSheetFragment.PostLayoutSelectionCallback,
-        ActivityToolbarInterface, FABMoreOptionsBottomSheetFragment.FABOptionSelectionCallback {
+        ActivityToolbarInterface, FABMoreOptionsBottomSheetFragment.FABOptionSelectionCallback, RandomBottomSheetFragment.RandomOptionSelectionCallback {
 
     static final String EXTRA_POST_TYPE = "EPT";
     static final String EXTRA_MESSSAGE_FULLNAME = "ENF";
@@ -164,6 +165,9 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
     SubscribedSubredditViewModel subscribedSubredditViewModel;
     AccountViewModel accountViewModel;
     @Inject
+    @Named("no_oauth")
+    Retrofit mRetrofit;
+    @Inject
     @Named("oauth")
     Retrofit mOauthRetrofit;
     @Inject
@@ -1218,12 +1222,23 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
                 break;
             }
             case FABMoreOptionsBottomSheetFragment.FAB_RANDOM: {
-
+                RandomBottomSheetFragment randomBottomSheetFragment = new RandomBottomSheetFragment();
+                Bundle bundle = new Bundle();
+                bundle.putBoolean(RandomBottomSheetFragment.EXTRA_IS_NSFW, mNsfwAndSpoilerSharedPreferences.getBoolean((mAccountName == null ? "" : mAccountName) + SharedPreferencesUtils.NSFW_BASE, false));
+                randomBottomSheetFragment.setArguments(bundle);
+                randomBottomSheetFragment.show(getSupportFragmentManager(), randomBottomSheetFragment.getTag());
                 break;
             }
         }
     }
 
+    @Override
+    public void randomOptionSelected(int option) {
+        Intent intent = new Intent(this, FetchRandomSubredditOrPostActivity.class);
+        intent.putExtra(FetchRandomSubredditOrPostActivity.EXTRA_RANDOM_OPTION, option);
+        startActivity(intent);
+    }
+
     private class SectionsPagerAdapter extends FragmentStateAdapter {
         int tabCount;
         boolean showFavoriteSubscribedSubreddits;

app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewPostDetailActivity.java

@@ -779,7 +779,7 @@ public class ViewPostDetailActivity extends BaseActivity implements FlairBottomS
                 mSwipeRefreshLayout.setRefreshing(false);
 
                 if (response.isSuccessful()) {
-                    ParsePost.parsePost(response.body(), mLocale, new ParsePost.ParsePostListener() {
+                    ParsePost.parsePost(response.body(), new ParsePost.ParsePostListener() {
                         @Override
                         public void onParsePostSuccess(Post post) {
                             mPost = post;

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

@@ -67,6 +67,7 @@ import ml.docilealligator.infinityforreddit.AsyncTask.SwitchAccountAsyncTask;
 import ml.docilealligator.infinityforreddit.BottomSheetFragment.FABMoreOptionsBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.BottomSheetFragment.PostLayoutBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.BottomSheetFragment.PostTypeBottomSheetFragment;
+import ml.docilealligator.infinityforreddit.BottomSheetFragment.RandomBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.BottomSheetFragment.SortTimeBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.BottomSheetFragment.SortTypeBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.CustomTheme.CustomThemeWrapper;
@@ -94,7 +95,8 @@ import retrofit2.Retrofit;
 
 public class ViewSubredditDetailActivity extends BaseActivity implements SortTypeSelectionCallback,
         PostTypeBottomSheetFragment.PostTypeSelectionCallback, PostLayoutBottomSheetFragment.PostLayoutSelectionCallback,
-        ActivityToolbarInterface, FABMoreOptionsBottomSheetFragment.FABOptionSelectionCallback {
+        ActivityToolbarInterface, FABMoreOptionsBottomSheetFragment.FABOptionSelectionCallback,
+        RandomBottomSheetFragment.RandomOptionSelectionCallback {
 
     public static final String EXTRA_SUBREDDIT_NAME_KEY = "ESN";
     public static final String EXTRA_MESSAGE_FULLNAME = "ENF";
@@ -427,7 +429,7 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp
 
                 if (subredditData.isNSFW()) {
                     if (nsfwWarningBuilder == null
-                            && mNsfwAndSpoilerSharedPreferences.getBoolean((mAccountName == null ? "" : mAccountName) + SharedPreferencesUtils.NSFW_BASE, false)) {
+                            && !mNsfwAndSpoilerSharedPreferences.getBoolean((mAccountName == null ? "" : mAccountName) + SharedPreferencesUtils.NSFW_BASE, false)) {
                         nsfwWarningBuilder = new MaterialAlertDialogBuilder(this, R.style.MaterialAlertDialogTheme)
                                 .setTitle(R.string.warning)
                                 .setMessage(R.string.this_is_a_nsfw_subreddit)
@@ -1124,9 +1126,24 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp
                         .show();
                 break;
             }
+            case FABMoreOptionsBottomSheetFragment.FAB_RANDOM: {
+                RandomBottomSheetFragment randomBottomSheetFragment = new RandomBottomSheetFragment();
+                Bundle bundle = new Bundle();
+                bundle.putBoolean(RandomBottomSheetFragment.EXTRA_IS_NSFW, mNsfwAndSpoilerSharedPreferences.getBoolean((mAccountName == null ? "" : mAccountName) + SharedPreferencesUtils.NSFW_BASE, false));
+                randomBottomSheetFragment.setArguments(bundle);
+                randomBottomSheetFragment.show(getSupportFragmentManager(), randomBottomSheetFragment.getTag());
+                break;
+            }
         }
     }
 
+    @Override
+    public void randomOptionSelected(int option) {
+        Intent intent = new Intent(this, FetchRandomSubredditOrPostActivity.class);
+        intent.putExtra(FetchRandomSubredditOrPostActivity.EXTRA_RANDOM_OPTION, option);
+        startActivity(intent);
+    }
+
     private class SectionsPagerAdapter extends FragmentStateAdapter {
 
         SectionsPagerAdapter(FragmentManager fm, Lifecycle lifecycle) {

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

@@ -13,6 +13,7 @@ import ml.docilealligator.infinityforreddit.Activity.CustomizeThemeActivity;
 import ml.docilealligator.infinityforreddit.Activity.EditCommentActivity;
 import ml.docilealligator.infinityforreddit.Activity.EditMultiRedditActivity;
 import ml.docilealligator.infinityforreddit.Activity.EditPostActivity;
+import ml.docilealligator.infinityforreddit.Activity.FetchRandomSubredditOrPostActivity;
 import ml.docilealligator.infinityforreddit.Activity.FilteredThingActivity;
 import ml.docilealligator.infinityforreddit.Activity.GiveAwardActivity;
 import ml.docilealligator.infinityforreddit.Activity.InboxActivity;
@@ -218,4 +219,6 @@ public interface AppComponent {
     void inject(GiveAwardActivity giveAwardActivity);
 
     void inject(TranslationFragment translationFragment);
+
+    void inject(FetchRandomSubredditOrPostActivity fetchRandomSubredditOrPostActivity);
 }

app/src/main/java/ml/docilealligator/infinityforreddit/BottomSheetFragment/RandomBottomSheetFragment.java

@@ -0,0 +1,88 @@
+package ml.docilealligator.infinityforreddit.BottomSheetFragment;
+
+import android.content.Context;
+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 com.deishelon.roundedbottomsheet.RoundedBottomSheetDialogFragment;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import ml.docilealligator.infinityforreddit.R;
+
+public class RandomBottomSheetFragment extends RoundedBottomSheetDialogFragment {
+
+    public static final String EXTRA_IS_NSFW = "EIN";
+    public static final int RANDOM_SUBREDDIT = 0;
+    public static final int RANDOM_POST = 1;
+    public static final int RANDOM_NSFW_SUBREDDIT = 2;
+    public static final int RANDOM_NSFW_POST = 3;
+
+    @BindView(R.id.random_subreddit_text_view_random_bottom_sheet_fragment)
+    TextView randomSubredditTextView;
+    @BindView(R.id.random_post_text_view_random_bottom_sheet_fragment)
+    TextView randomPostTextView;
+    @BindView(R.id.random_nsfw_subreddit_text_view_random_bottom_sheet_fragment)
+    TextView randomNSFWSubredditTextView;
+    @BindView(R.id.random_nsfw_post_text_view_random_bottom_sheet_fragment)
+    TextView randomNSFWPostTextView;
+
+    private RandomOptionSelectionCallback activity;
+
+    public RandomBottomSheetFragment() {
+        // Required empty public constructor
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View rootView = inflater.inflate(R.layout.fragment_random_bottom_sheet, container, false);
+
+        ButterKnife.bind(this, rootView);
+
+        boolean isNSFW = getArguments().getBoolean(EXTRA_IS_NSFW, false);
+
+        if (!isNSFW) {
+            randomNSFWSubredditTextView.setVisibility(View.GONE);
+            randomNSFWPostTextView.setVisibility(View.GONE);
+        } else {
+            randomNSFWSubredditTextView.setOnClickListener(view -> {
+                activity.randomOptionSelected(RANDOM_NSFW_SUBREDDIT);
+                dismiss();
+            });
+
+            randomNSFWPostTextView.setOnClickListener(view -> {
+                activity.randomOptionSelected(RANDOM_NSFW_POST);
+                dismiss();
+            });
+        }
+
+        randomSubredditTextView.setOnClickListener(view -> {
+            activity.randomOptionSelected(RANDOM_SUBREDDIT);
+            dismiss();
+        });
+
+        randomPostTextView.setOnClickListener(view -> {
+            activity.randomOptionSelected(RANDOM_POST);
+            dismiss();
+        });
+
+        return rootView;
+    }
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        super.onAttach(context);
+        this.activity = (RandomOptionSelectionCallback) context;
+    }
+
+    public interface RandomOptionSelectionCallback {
+        void randomOptionSelected(int option);
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/SubredditListingFragment.java

@@ -166,9 +166,7 @@ public class SubredditListingFragment extends Fragment implements FragmentCommun
             if (hasSubreddit) {
                 mFetchSubredditListingInfoLinearLayout.setVisibility(View.GONE);
             } else {
-                mFetchSubredditListingInfoLinearLayout.setOnClickListener(view -> {
+                mFetchSubredditListingInfoLinearLayout.setOnClickListener(null);
-                    //Do nothing
-                });
                 showErrorView(R.string.no_subreddits);
             }
         });

app/src/main/java/ml/docilealligator/infinityforreddit/Post/FetchPost.java

@@ -1,5 +1,7 @@
 package ml.docilealligator.infinityforreddit.Post;
 
+import android.util.Log;
+
 import androidx.annotation.NonNull;
 
 import java.util.Locale;
@@ -23,7 +25,7 @@ public class FetchPost {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull Response<String> response) {
                 if (response.isSuccessful()) {
-                    ParsePost.parsePost(response.body(), locale, new ParsePost.ParsePostListener() {
+                    ParsePost.parsePost(response.body(), new ParsePost.ParsePostListener() {
                         @Override
                         public void onParsePostSuccess(Post post) {
                             fetchPostListener.fetchPostSuccess(post);
@@ -46,9 +48,51 @@ public class FetchPost {
         });
     }
 
+    public static void fetchRandomPost(Retrofit retrofit, boolean isNSFW, FetchRandomPostListener fetchRandomPostListener) {
+        Call<String> call;
+        if (isNSFW) {
+            call = retrofit.create(RedditAPI.class).getRandomNSFWPost();
+        } else {
+            call = retrofit.create(RedditAPI.class).getRandomPost();
+        }
+
+        call.enqueue(new Callback<String>() {
+            @Override
+            public void onResponse(@NonNull Call<String> call, @NonNull Response<String> response) {
+                if (response.isSuccessful()) {
+                    Log.i("asdasdf", "s " + response.body());
+                    new ParsePost.ParseRandomPostAsyncTask(response.body(), isNSFW, new ParsePost.ParseRandomPostListener() {
+
+                        @Override
+                        public void onParseRandomPostSuccess(String postId, String subredditName) {
+                            fetchRandomPostListener.fetchRandomPostSuccess(postId, subredditName);
+                        }
+
+                        @Override
+                        public void onParseRandomPostFailed() {
+                            fetchRandomPostListener.fetchRandomPostFailed();
+                        }
+                    }).execute();
+                } else {
+                    fetchRandomPostListener.fetchRandomPostFailed();
+                }
+            }
+
+            @Override
+            public void onFailure(@NonNull Call<String> call, @NonNull Throwable t) {
+                fetchRandomPostListener.fetchRandomPostFailed();
+            }
+        });
+    }
+
     public interface FetchPostListener {
         void fetchPostSuccess(Post post);
 
         void fetchPostFailed();
     }
+
+    public interface FetchRandomPostListener {
+        void fetchRandomPostSuccess(String postId, String subredditName);
+        void fetchRandomPostFailed();
+    }
 }

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

@@ -10,7 +10,6 @@ import org.json.JSONObject;
 
 import java.util.ArrayList;
 import java.util.LinkedHashSet;
-import java.util.Locale;
 
 import ml.docilealligator.infinityforreddit.Fragment.PostFragment;
 import ml.docilealligator.infinityforreddit.Utils.JSONUtils;
@@ -21,13 +20,13 @@ import ml.docilealligator.infinityforreddit.Utils.Utils;
  */
 
 public class ParsePost {
-    public static void parsePosts(String response, Locale locale, int nPosts, int filter, boolean nsfw,
+    public static void parsePosts(String response, int nPosts, int filter, boolean nsfw,
                                   ParsePostsListingListener parsePostsListingListener) {
-        new ParsePostDataAsyncTask(response, locale, nPosts, filter, nsfw, parsePostsListingListener).execute();
+        new ParsePostDataAsyncTask(response, nPosts, filter, nsfw, parsePostsListingListener).execute();
     }
 
-    public static void parsePost(String response, Locale locale, ParsePostListener parsePostListener) {
+    public static void parsePost(String response, ParsePostListener parsePostListener) {
-        new ParsePostDataAsyncTask(response, locale, true, parsePostListener).execute();
+        new ParsePostDataAsyncTask(response, true, parsePostListener).execute();
     }
 
     private static Post parseBasicData(JSONObject data) throws JSONException {
@@ -456,9 +455,13 @@ public class ParsePost {
         void onParsePostFail();
     }
 
+    public interface ParseRandomPostListener {
+        void onParseRandomPostSuccess(String postId, String subredditName);
+        void onParseRandomPostFailed();
+    }
+
     private static class ParsePostDataAsyncTask extends AsyncTask<Void, Void, Void> {
         private JSONArray allData;
-        private Locale locale;
         private int nPosts;
         private int filter;
         private boolean nsfw;
@@ -469,14 +472,13 @@ public class ParsePost {
         private String lastItem;
         private boolean parseFailed;
 
-        ParsePostDataAsyncTask(String response, Locale locale, int nPosts, int filter, boolean nsfw,
+        ParsePostDataAsyncTask(String response, int nPosts, int filter, boolean nsfw,
                                ParsePostsListingListener parsePostsListingListener) {
             this.parsePostsListingListener = parsePostsListingListener;
             try {
                 JSONObject jsonResponse = new JSONObject(response);
                 allData = jsonResponse.getJSONObject(JSONUtils.DATA_KEY).getJSONArray(JSONUtils.CHILDREN_KEY);
                 lastItem = jsonResponse.getJSONObject(JSONUtils.DATA_KEY).getString(JSONUtils.AFTER_KEY);
-                this.locale = locale;
                 this.nPosts = nPosts;
                 this.filter = filter;
                 this.nsfw = nsfw;
@@ -488,12 +490,11 @@ public class ParsePost {
             }
         }
 
-        ParsePostDataAsyncTask(String response, Locale locale, boolean nsfw,
+        ParsePostDataAsyncTask(String response, boolean nsfw,
                                ParsePostListener parsePostListener) {
             this.parsePostListener = parsePostListener;
             try {
                 allData = new JSONArray(response).getJSONObject(0).getJSONObject(JSONUtils.DATA_KEY).getJSONArray(JSONUtils.CHILDREN_KEY);
-                this.locale = locale;
                 this.nsfw = nsfw;
                 parseFailed = false;
             } catch (JSONException e) {
@@ -573,4 +574,52 @@ public class ParsePost {
             }
         }
     }
+
+    public static class ParseRandomPostAsyncTask extends AsyncTask<Void, Void, Void> {
+
+        private String response;
+        private boolean isNSFW;
+        private ParseRandomPostListener parseRandomPostListener;
+        private String subredditName;
+        private String postId;
+        private boolean parseFailed = false;
+
+        ParseRandomPostAsyncTask(String response, boolean isNSFW, ParseRandomPostListener parseRandomPostListener) {
+            this.response = response;
+            this.isNSFW = isNSFW;
+            this.parseRandomPostListener = parseRandomPostListener;
+        }
+
+        @Override
+        protected Void doInBackground(Void... voids) {
+            try {
+                JSONArray postsArray = new JSONObject(response).getJSONObject(JSONUtils.DATA_KEY).getJSONArray(JSONUtils.CHILDREN_KEY);
+                if (postsArray.length() == 0) {
+                    parseFailed = true;
+                } else {
+                    JSONObject post = postsArray.getJSONObject(0).getJSONObject(JSONUtils.DATA_KEY);
+                    subredditName = post.getString(JSONUtils.SUBREDDIT_KEY);
+                    if (isNSFW) {
+                        postId = post.getString(JSONUtils.ID_KEY);
+                    } else {
+                        postId = post.getString(JSONUtils.LINK_ID_KEY).substring("t3_".length());
+                    }
+                }
+            } catch (JSONException e) {
+                e.printStackTrace();
+                parseFailed = true;
+            }
+            return null;
+        }
+
+        @Override
+        protected void onPostExecute(Void aVoid) {
+            super.onPostExecute(aVoid);
+            if (parseFailed) {
+                parseRandomPostListener.onParseRandomPostFailed();
+            } else {
+                parseRandomPostListener.onParseRandomPostSuccess(postId, subredditName);
+            }
+        }
+    }
 }

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

@@ -247,7 +247,7 @@ public class PostDataSource extends PageKeyedDataSource<String, Post> {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull retrofit2.Response<String> response) {
                 if (response.isSuccessful()) {
-                    ParsePost.parsePosts(response.body(), locale, -1, filter, nsfw,
+                    ParsePost.parsePosts(response.body(), -1, filter, nsfw,
                             new ParsePost.ParsePostsListingListener() {
                                 @Override
                                 public void onParsePostsListingSuccess(LinkedHashSet<Post> newPosts, String lastItem) {
@@ -310,7 +310,7 @@ public class PostDataSource extends PageKeyedDataSource<String, Post> {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull retrofit2.Response<String> response) {
                 if (response.isSuccessful()) {
-                    ParsePost.parsePosts(response.body(), locale, -1, filter, nsfw,
+                    ParsePost.parsePosts(response.body(), -1, filter, nsfw,
                             new ParsePost.ParsePostsListingListener() {
                                 @Override
                                 public void onParsePostsListingSuccess(LinkedHashSet<Post> newPosts, String lastItem) {
@@ -370,7 +370,7 @@ public class PostDataSource extends PageKeyedDataSource<String, Post> {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull retrofit2.Response<String> response) {
                 if (response.isSuccessful()) {
-                    ParsePost.parsePosts(response.body(), locale, -1, filter, nsfw,
+                    ParsePost.parsePosts(response.body(), -1, filter, nsfw,
                             new ParsePost.ParsePostsListingListener() {
                                 @Override
                                 public void onParsePostsListingSuccess(LinkedHashSet<Post> newPosts, String lastItem) {
@@ -444,7 +444,7 @@ public class PostDataSource extends PageKeyedDataSource<String, Post> {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull retrofit2.Response<String> response) {
                 if (response.isSuccessful()) {
-                    ParsePost.parsePosts(response.body(), locale, -1, filter, nsfw,
+                    ParsePost.parsePosts(response.body(), -1, filter, nsfw,
                             new ParsePost.ParsePostsListingListener() {
                                 @Override
                                 public void onParsePostsListingSuccess(LinkedHashSet<Post> newPosts, String lastItem) {
@@ -505,7 +505,7 @@ public class PostDataSource extends PageKeyedDataSource<String, Post> {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull retrofit2.Response<String> response) {
                 if (response.isSuccessful()) {
-                    ParsePost.parsePosts(response.body(), locale, -1, filter, nsfw,
+                    ParsePost.parsePosts(response.body(), -1, filter, nsfw,
                             new ParsePost.ParsePostsListingListener() {
                                 @Override
                                 public void onParsePostsListingSuccess(LinkedHashSet<Post> newPosts, String lastItem) {
@@ -576,7 +576,7 @@ public class PostDataSource extends PageKeyedDataSource<String, Post> {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull retrofit2.Response<String> response) {
                 if (response.isSuccessful()) {
-                    ParsePost.parsePosts(response.body(), locale, -1, filter, nsfw,
+                    ParsePost.parsePosts(response.body(), -1, filter, nsfw,
                             new ParsePost.ParsePostsListingListener() {
                                 @Override
                                 public void onParsePostsListingSuccess(LinkedHashSet<Post> newPosts, String lastItem) {
@@ -659,7 +659,7 @@ public class PostDataSource extends PageKeyedDataSource<String, Post> {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull retrofit2.Response<String> response) {
                 if (response.isSuccessful()) {
-                    ParsePost.parsePosts(response.body(), locale, -1, filter, nsfw,
+                    ParsePost.parsePosts(response.body(), -1, filter, nsfw,
                             new ParsePost.ParsePostsListingListener() {
                                 @Override
                                 public void onParsePostsListingSuccess(LinkedHashSet<Post> newPosts, String lastItem) {
@@ -750,7 +750,7 @@ public class PostDataSource extends PageKeyedDataSource<String, Post> {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull retrofit2.Response<String> response) {
                 if (response.isSuccessful()) {
-                    ParsePost.parsePosts(response.body(), locale, -1, filter, nsfw,
+                    ParsePost.parsePosts(response.body(), -1, filter, nsfw,
                             new ParsePost.ParsePostsListingListener() {
                                 @Override
                                 public void onParsePostsListingSuccess(LinkedHashSet<Post> newPosts, String lastItem) {
@@ -810,7 +810,7 @@ public class PostDataSource extends PageKeyedDataSource<String, Post> {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull retrofit2.Response<String> response) {
                 if (response.isSuccessful()) {
-                    ParsePost.parsePosts(response.body(), locale, -1, filter, nsfw,
+                    ParsePost.parsePosts(response.body(), -1, filter, nsfw,
                             new ParsePost.ParsePostsListingListener() {
                                 @Override
                                 public void onParsePostsListingSuccess(LinkedHashSet<Post> newPosts, String lastItem) {
@@ -881,7 +881,7 @@ public class PostDataSource extends PageKeyedDataSource<String, Post> {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull retrofit2.Response<String> response) {
                 if (response.isSuccessful()) {
-                    ParsePost.parsePosts(response.body(), locale, -1, filter, nsfw,
+                    ParsePost.parsePosts(response.body(), -1, filter, nsfw,
                             new ParsePost.ParsePostsListingListener() {
                                 @Override
                                 public void onParsePostsListingSuccess(LinkedHashSet<Post> newPosts, String lastItem) {

app/src/main/java/ml/docilealligator/infinityforreddit/Post/SubmitPost.java

@@ -332,7 +332,7 @@ public class SubmitPost {
                 @Override
                 public void onResponse(@NonNull Call<String> call, @NonNull retrofit2.Response<String> response) {
                     if (response.isSuccessful()) {
-                        ParsePost.parsePost(response.body(), locale, new ParsePost.ParsePostListener() {
+                        ParsePost.parsePost(response.body(), new ParsePost.ParsePostListener() {
                             @Override
                             public void onParsePostSuccess(Post post) {
                                 submitPostListener.submitSuccessful(post);

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

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:id="@+id/relative_layout_fetch_random_subreddit_or_post_activity"
+    tools:context=".Activity.FetchRandomSubredditOrPostActivity">
+
+    <com.airbnb.lottie.LottieAnimationView
+        android:id="@+id/lottie_animation_view_fetch_random_subreddit_or_post_activity"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"
+        app:lottie_autoPlay="true"
+        app:lottie_loop="true"
+        app:lottie_rawRes="@raw/random_subreddit_or_post" />
+
+</RelativeLayout>

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

@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.core.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    tools:context=".BottomSheetFragment.RandomBottomSheetFragment">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/random_subreddit_text_view_random_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center_vertical"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            android:text="@string/random_subreddit"
+            android:textColor="?attr/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:fontFamily="?attr/font_family"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+        <TextView
+            android:id="@+id/random_post_text_view_random_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center_vertical"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            android:text="@string/random_post"
+            android:textColor="?attr/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:fontFamily="?attr/font_family"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+        <TextView
+            android:id="@+id/random_nsfw_subreddit_text_view_random_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center_vertical"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            android:text="@string/random_nsfw_subreddit"
+            android:textColor="?attr/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:fontFamily="?attr/font_family"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+        <TextView
+            android:id="@+id/random_nsfw_post_text_view_random_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center_vertical"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            android:text="@string/random_nsfw_post"
+            android:textColor="?attr/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:fontFamily="?attr/font_family"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+    </LinearLayout>
+
+</androidx.core.widget.NestedScrollView>

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

@@ -928,5 +928,6 @@
     <string name="random_nsfw_subreddit">Random NSFW Subreddit</string>
     <string name="random_post">Random Post</string>
     <string name="random_nsfw_post">Random NSFW post</string>
+    <string name="fetch_random_thing_failed">Try again later</string>
 
 </resources>