dev: add setting theme for TrackSelectionDialogBuilder

library/ui/src/main/java/com/google/android/exoplayer2/ui/TrackSelectionDialogBuilder.java

@@ -24,6 +24,7 @@ import android.content.DialogInterface;
 import android.view.LayoutInflater;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View;
 import androidx.annotation.Nullable;
 import androidx.annotation.Nullable;
+import androidx.annotation.StyleRes;
 import com.google.android.exoplayer2.source.TrackGroupArray;
 import com.google.android.exoplayer2.source.TrackGroupArray;
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector.SelectionOverride;
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector.SelectionOverride;
@@ -49,6 +50,7 @@ public final class TrackSelectionDialogBuilder {
   }
   }
 
 
   private final Context context;
   private final Context context;
+  @StyleRes private int themeResId;
   private final CharSequence title;
   private final CharSequence title;
   private final MappedTrackInfo mappedTrackInfo;
   private final MappedTrackInfo mappedTrackInfo;
   private final int rendererIndex;
   private final int rendererIndex;
@@ -121,6 +123,11 @@ public final class TrackSelectionDialogBuilder {
                     newOverrides.isEmpty() ? null : newOverrides.get(0)));
                     newOverrides.isEmpty() ? null : newOverrides.get(0)));
   }
   }
 
 
+  public TrackSelectionDialogBuilder setTheme(int themeResId) {
+    this.themeResId = themeResId;
+    return this;
+  }
+
   /**
   /**
    * Sets whether the selection is initially shown as disabled.
    * Sets whether the selection is initially shown as disabled.
    *
    *
@@ -214,7 +221,7 @@ public final class TrackSelectionDialogBuilder {
   }
   }
 
 
   private Dialog buildForPlatform() {
   private Dialog buildForPlatform() {
-    AlertDialog.Builder builder = new AlertDialog.Builder(context);
+    AlertDialog.Builder builder = new AlertDialog.Builder(context, themeResId);
 
 
     // Inflate with the builder's context to ensure the correct style is used.
     // Inflate with the builder's context to ensure the correct style is used.
     LayoutInflater dialogInflater = LayoutInflater.from(builder.getContext());
     LayoutInflater dialogInflater = LayoutInflater.from(builder.getContext());
@@ -238,8 +245,8 @@ public final class TrackSelectionDialogBuilder {
       // the APK size even with shrinking. See https://issuetracker.google.com/161514204.
       // the APK size even with shrinking. See https://issuetracker.google.com/161514204.
       // LINT.IfChange
       // LINT.IfChange
       Class<?> builderClazz = Class.forName("androidx.appcompat.app.AlertDialog$Builder");
       Class<?> builderClazz = Class.forName("androidx.appcompat.app.AlertDialog$Builder");
-      Constructor<?> builderConstructor = builderClazz.getConstructor(Context.class);
-      Object builder = builderConstructor.newInstance(context);
+      Constructor<?> builderConstructor = builderClazz.getConstructor(Context.class, int.class);
+      Object builder = builderConstructor.newInstance(context, themeResId);
 
 
       // Inflate with the builder's context to ensure the correct style is used.
       // Inflate with the builder's context to ensure the correct style is used.
       Context builderContext = (Context) builderClazz.getMethod("getContext").invoke(builder);
       Context builderContext = (Context) builderClazz.getMethod("getContext").invoke(builder);