Suggest subreddits in go to subreddit dialog in MainActivity.

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

@@ -9,6 +9,8 @@ import android.graphics.Color;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
+import android.text.Editable;
+import android.text.TextWatcher;
 import android.view.Gravity;
 import android.view.KeyEvent;
 import android.view.Menu;
@@ -81,6 +83,8 @@ import ml.docilealligator.infinityforreddit.SortType;
 import ml.docilealligator.infinityforreddit.SortTypeSelectionCallback;
 import ml.docilealligator.infinityforreddit.account.AccountViewModel;
 import ml.docilealligator.infinityforreddit.adapters.NavigationDrawerRecyclerViewAdapter;
+import ml.docilealligator.infinityforreddit.adapters.SubredditAutocompleteRecyclerViewAdapter;
+import ml.docilealligator.infinityforreddit.apis.RedditAPI;
 import ml.docilealligator.infinityforreddit.asynctasks.InsertSubscribedThings;
 import ml.docilealligator.infinityforreddit.asynctasks.SwitchAccount;
 import ml.docilealligator.infinityforreddit.asynctasks.SwitchToAnonymousMode;
@@ -106,15 +110,20 @@ import ml.docilealligator.infinityforreddit.multireddit.MultiRedditViewModel;
 import ml.docilealligator.infinityforreddit.post.Post;
 import ml.docilealligator.infinityforreddit.post.PostDataSource;
 import ml.docilealligator.infinityforreddit.readpost.InsertReadPost;
+import ml.docilealligator.infinityforreddit.subreddit.ParseSubredditData;
 import ml.docilealligator.infinityforreddit.subreddit.SubredditData;
 import ml.docilealligator.infinityforreddit.subscribedsubreddit.SubscribedSubredditData;
 import ml.docilealligator.infinityforreddit.subscribedsubreddit.SubscribedSubredditViewModel;
 import ml.docilealligator.infinityforreddit.subscribeduser.SubscribedUserData;
 import ml.docilealligator.infinityforreddit.user.FetchUserData;
 import ml.docilealligator.infinityforreddit.user.UserData;
+import ml.docilealligator.infinityforreddit.utils.APIUtils;
 import ml.docilealligator.infinityforreddit.utils.CustomThemeSharedPreferencesUtils;
 import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils;
 import ml.docilealligator.infinityforreddit.utils.Utils;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
 import retrofit2.Retrofit;
 
 import static androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_NO;
@@ -215,6 +224,7 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
     private SectionsPagerAdapter sectionsPagerAdapter;
     private AppBarLayout.LayoutParams params;
     private NavigationDrawerRecyclerViewAdapter adapter;
+    private Call<String> subredditAutocompleteCall;
     private String mAccessToken;
     private String mAccountName;
     private boolean mFetchUserInfoSuccess = false;
@@ -1373,8 +1383,20 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
     private void goToSubreddit() {
         View rootView = getLayoutInflater().inflate(R.layout.dialog_go_to_thing_edit_text, coordinatorLayout, false);
         TextInputEditText thingEditText = rootView.findViewById(R.id.text_input_edit_text_go_to_thing_edit_text);
-        thingEditText.requestFocus();
+        RecyclerView recyclerView = rootView.findViewById(R.id.recycler_view_go_to_thing_edit_text);
         InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+        SubredditAutocompleteRecyclerViewAdapter adapter = new SubredditAutocompleteRecyclerViewAdapter(
+                this, mCustomThemeWrapper, subredditData -> {
+            if (imm != null) {
+                imm.hideSoftInputFromWindow(thingEditText.getWindowToken(), 0);
+            }
+            Intent intent = new Intent(MainActivity.this, ViewSubredditDetailActivity.class);
+            intent.putExtra(ViewSubredditDetailActivity.EXTRA_SUBREDDIT_NAME_KEY, subredditData.getName());
+            startActivity(intent);
+        });
+        recyclerView.setAdapter(adapter);
+
+        thingEditText.requestFocus();
         if (imm != null) {
             imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
         }
@@ -1390,6 +1412,51 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
             }
             return false;
         });
+
+        boolean nsfw = mNsfwAndSpoilerSharedPreferences.getBoolean((mAccountName == null ? "" : mAccountName) + SharedPreferencesUtils.NSFW_BASE, false);
+        thingEditText.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+
+            }
+
+            @Override
+            public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+
+            }
+
+            @Override
+            public void afterTextChanged(Editable editable) {
+                if (subredditAutocompleteCall != null) {
+                    subredditAutocompleteCall.cancel();
+                }
+                subredditAutocompleteCall = mOauthRetrofit.create(RedditAPI.class).subredditAutocomplete(APIUtils.getOAuthHeader(mAccessToken),
+                        editable.toString(), nsfw);
+                subredditAutocompleteCall.enqueue(new Callback<String>() {
+                    @Override
+                    public void onResponse(@NonNull Call<String> call, @NonNull Response<String> response) {
+                        if (response.isSuccessful()) {
+                            ParseSubredditData.parseSubredditListingData(response.body(), nsfw, new ParseSubredditData.ParseSubredditListingDataListener() {
+                                @Override
+                                public void onParseSubredditListingDataSuccess(ArrayList<SubredditData> subredditData, String after) {
+                                    adapter.setSubreddits(subredditData);
+                                }
+
+                                @Override
+                                public void onParseSubredditListingDataFail() {
+
+                                }
+                            });
+                        }
+                    }
+
+                    @Override
+                    public void onFailure(@NonNull Call<String> call, @NonNull Throwable t) {
+
+                    }
+                });
+            }
+        });
         new MaterialAlertDialogBuilder(this, R.style.MaterialAlertDialogTheme)
                 .setTitle(R.string.go_to_subreddit)
                 .setView(rootView)

app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentsRecyclerViewAdapter.java

@@ -233,7 +233,7 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
                 })
                 .usePlugin(StrikethroughPlugin.create())
                 .usePlugin(MovementMethodPlugin.create(BetterLinkMovementMethod.linkify(Linkify.WEB_URLS, activity).setOnLinkLongClickListener((textView, url) -> {
-                    if (activity != null && !activity.isDestroyed() && !activity.isFinishing()) {
+                    if (!activity.isDestroyed() && !activity.isFinishing()) {
                         UrlMenuBottomSheetFragment urlMenuBottomSheetFragment = new UrlMenuBottomSheetFragment();
                         Bundle bundle = new Bundle();
                         bundle.putString(UrlMenuBottomSheetFragment.EXTRA_URL, url);

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

@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<com.google.android.material.textfield.TextInputLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <com.google.android.material.textfield.TextInputLayout
         style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
@@ -23,3 +28,11 @@
             android:imeOptions="actionDone"/>
 
     </com.google.android.material.textfield.TextInputLayout>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recycler_view_go_to_thing_edit_text"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />
+
+</LinearLayout>