@TargetApi(19)
private void setPreferredTextLanguageAndRoleFlagsToCaptioningManagerSettingsV19(
    Context context) {
  if (Util.SDK_INT < 23 && Looper.myLooper() == null) {
    // Android platform bug (pre-Marshmallow) that causes RuntimeExceptions when
    // CaptioningService is instantiated from a non-Looper thread. See [internal: b/143779904].
    return;
  }
  CaptioningManager captioningManager =
      (CaptioningManager) context.getSystemService(Context.CAPTIONING_SERVICE);
  if (captioningManager == null || !captioningManager.isEnabled()) {
    return;
  }
  preferredTextRoleFlags = C.ROLE_FLAG_CAPTION | C.ROLE_FLAG_DESCRIBES_MUSIC_AND_SOUND;
  Locale preferredLocale = captioningManager.getLocale();
  if (preferredLocale != null) {
    preferredTextLanguage = Util.getLocaleLanguageTag(preferredLocale);
  }
}
 

/**
 * Utility method that return the Current language code of the device
 *
 * @param context - current {@link Context}of the application
 * @return current language code
 */
public static String getCurrentDeviceLanguage(Context context) {
    final CaptioningManager captionManager = (CaptioningManager) context.getSystemService(Context.CAPTIONING_SERVICE);
    String languageCode = null;
    // Check if captioning is enabled in accessibility settings
    if (captionManager.isEnabled()) {
        final Locale cManagerLocale = captionManager.getLocale();
        if (cManagerLocale != null) {
            languageCode = cManagerLocale.getLanguage();
        }
    }
    if (TextUtils.isEmpty(languageCode)) {
        languageCode = Locale.getDefault().getLanguage();
    }
    // Android return iw in case of Hebrew
    if ("iw".equals(languageCode)) {
        languageCode = "he";
    }
    return languageCode;
}
 

/**
 * Creates a {@link CaptionStyleCompat} equivalent to a provided {@link CaptionStyle}.
 *
 * @param captionStyle A {@link CaptionStyle}.
 * @return The equivalent {@link CaptionStyleCompat}.
 */
@TargetApi(19)
public static CaptionStyleCompat createFromCaptionStyle(
    CaptioningManager.CaptionStyle captionStyle) {
  if (Util.SDK_INT >= 21) {
    return createFromCaptionStyleV21(captionStyle);
  } else {
    // Note - Any caller must be on at least API level 19 or greater (because CaptionStyle did
    // not exist in earlier API levels).
    return createFromCaptionStyleV19(captionStyle);
  }
}
 

@TargetApi(19)
@SuppressWarnings("ResourceType")
private static CaptionStyleCompat createFromCaptionStyleV19(
    CaptioningManager.CaptionStyle captionStyle) {
  return new CaptionStyleCompat(
      captionStyle.foregroundColor, captionStyle.backgroundColor, Color.TRANSPARENT,
      captionStyle.edgeType, captionStyle.edgeColor, captionStyle.getTypeface());
}
 

@TargetApi(21)
@SuppressWarnings("ResourceType")
private static CaptionStyleCompat createFromCaptionStyleV21(
    CaptioningManager.CaptionStyle captionStyle) {
  return new CaptionStyleCompat(
      captionStyle.hasForegroundColor() ? captionStyle.foregroundColor : DEFAULT.foregroundColor,
      captionStyle.hasBackgroundColor() ? captionStyle.backgroundColor : DEFAULT.backgroundColor,
      captionStyle.hasWindowColor() ? captionStyle.windowColor : DEFAULT.windowColor,
      captionStyle.hasEdgeType() ? captionStyle.edgeType : DEFAULT.edgeType,
      captionStyle.hasEdgeColor() ? captionStyle.edgeColor : DEFAULT.edgeColor,
      captionStyle.getTypeface());
}
 

/**
 * Creates a {@link CaptionStyleCompat} equivalent to a provided {@link CaptionStyle}.
 *
 * @param captionStyle A {@link CaptionStyle}.
 * @return The equivalent {@link CaptionStyleCompat}.
 */
@TargetApi(19)
public static CaptionStyleCompat createFromCaptionStyle(
    CaptioningManager.CaptionStyle captionStyle) {
  if (Util.SDK_INT >= 21) {
    return createFromCaptionStyleV21(captionStyle);
  } else {
    // Note - Any caller must be on at least API level 19 or greater (because CaptionStyle did
    // not exist in earlier API levels).
    return createFromCaptionStyleV19(captionStyle);
  }
}
 

@TargetApi(19)
@SuppressWarnings("ResourceType")
private static CaptionStyleCompat createFromCaptionStyleV19(
    CaptioningManager.CaptionStyle captionStyle) {
  return new CaptionStyleCompat(
      captionStyle.foregroundColor, captionStyle.backgroundColor, Color.TRANSPARENT,
      captionStyle.edgeType, captionStyle.edgeColor, captionStyle.getTypeface());
}
 

@TargetApi(21)
@SuppressWarnings("ResourceType")
private static CaptionStyleCompat createFromCaptionStyleV21(
    CaptioningManager.CaptionStyle captionStyle) {
  return new CaptionStyleCompat(
      captionStyle.hasForegroundColor() ? captionStyle.foregroundColor : DEFAULT.foregroundColor,
      captionStyle.hasBackgroundColor() ? captionStyle.backgroundColor : DEFAULT.backgroundColor,
      captionStyle.hasWindowColor() ? captionStyle.windowColor : DEFAULT.windowColor,
      captionStyle.hasEdgeType() ? captionStyle.edgeType : DEFAULT.edgeType,
      captionStyle.hasEdgeColor() ? captionStyle.edgeColor : DEFAULT.edgeColor,
      captionStyle.getTypeface());
}
 

/**
 * Creates a {@link CaptionStyleCompat} equivalent to a provided {@link CaptionStyle}.
 *
 * @param captionStyle A {@link CaptionStyle}.
 * @return The equivalent {@link CaptionStyleCompat}.
 */
@TargetApi(19)
public static CaptionStyleCompat createFromCaptionStyle(
    CaptioningManager.CaptionStyle captionStyle) {
  if (Util.SDK_INT >= 21) {
    return createFromCaptionStyleV21(captionStyle);
  } else {
    // Note - Any caller must be on at least API level 19 or greater (because CaptionStyle did
    // not exist in earlier API levels).
    return createFromCaptionStyleV19(captionStyle);
  }
}
 

@TargetApi(19)
@SuppressWarnings("ResourceType")
private static CaptionStyleCompat createFromCaptionStyleV19(
    CaptioningManager.CaptionStyle captionStyle) {
  return new CaptionStyleCompat(
      captionStyle.foregroundColor, captionStyle.backgroundColor, Color.TRANSPARENT,
      captionStyle.edgeType, captionStyle.edgeColor, captionStyle.getTypeface());
}
 

@TargetApi(21)
@SuppressWarnings("ResourceType")
private static CaptionStyleCompat createFromCaptionStyleV21(
    CaptioningManager.CaptionStyle captionStyle) {
  return new CaptionStyleCompat(
      captionStyle.hasForegroundColor() ? captionStyle.foregroundColor : DEFAULT.foregroundColor,
      captionStyle.hasBackgroundColor() ? captionStyle.backgroundColor : DEFAULT.backgroundColor,
      captionStyle.hasWindowColor() ? captionStyle.windowColor : DEFAULT.windowColor,
      captionStyle.hasEdgeType() ? captionStyle.edgeType : DEFAULT.edgeType,
      captionStyle.hasEdgeColor() ? captionStyle.edgeColor : DEFAULT.edgeColor,
      captionStyle.getTypeface());
}
 

/**
 * Construct a new KitKat+ captioning bridge
 *
 * @param context the Context to associate with this bridge.
 */
private KitKatCaptioningBridge(Context context) {
    mCaptioningChangeDelegate = new CaptioningChangeDelegate();
    mCaptioningManager =
            (CaptioningManager) context.getApplicationContext().getSystemService(
                    Context.CAPTIONING_SERVICE);
}
 

/**
 * Creates a {@link CaptionStyleCompat} equivalent to a provided {@link CaptionStyle}.
 *
 * @param captionStyle A {@link CaptionStyle}.
 * @return The equivalent {@link CaptionStyleCompat}.
 */
@TargetApi(19)
public static CaptionStyleCompat createFromCaptionStyle(
    CaptioningManager.CaptionStyle captionStyle) {
  if (Util.SDK_INT >= 21) {
    return createFromCaptionStyleV21(captionStyle);
  } else {
    // Note - Any caller must be on at least API level 19 or greater (because CaptionStyle did
    // not exist in earlier API levels).
    return createFromCaptionStyleV19(captionStyle);
  }
}
 

@TargetApi(19)
private static CaptionStyleCompat createFromCaptionStyleV19(
    CaptioningManager.CaptionStyle captionStyle) {
  return new CaptionStyleCompat(
      captionStyle.foregroundColor, captionStyle.backgroundColor, Color.TRANSPARENT,
      captionStyle.edgeType, captionStyle.edgeColor, captionStyle.getTypeface());
}
 

@TargetApi(21)
private static CaptionStyleCompat createFromCaptionStyleV21(
    CaptioningManager.CaptionStyle captionStyle) {
  return null;
          /*CaptionStyleCompat(
      captionStyle.hasForegroundColor() ? captionStyle.foregroundColor : DEFAULT.foregroundColor,
      captionStyle.hasBackgroundColor() ? captionStyle.backgroundColor : DEFAULT.backgroundColor,
      captionStyle.hasWindowColor() ? captionStyle.windowColor : DEFAULT.windowColor,
      captionStyle.hasEdgeType() ? captionStyle.edgeType : DEFAULT.edgeType,
      captionStyle.hasEdgeColor() ? captionStyle.edgeColor : DEFAULT.edgeColor,
      captionStyle.getTypeface());*/
}
 

/**
 * Creates a {@link CaptionStyleCompat} equivalent to a provided {@link CaptionStyle}.
 *
 * @param captionStyle A {@link CaptionStyle}.
 * @return The equivalent {@link CaptionStyleCompat}.
 */
@TargetApi(19)
public static CaptionStyleCompat createFromCaptionStyle(
    CaptioningManager.CaptionStyle captionStyle) {
  if (Util.SDK_INT >= 21) {
    return createFromCaptionStyleV21(captionStyle);
  } else {
    // Note - Any caller must be on at least API level 19 or greater (because CaptionStyle did
    // not exist in earlier API levels).
    return createFromCaptionStyleV19(captionStyle);
  }
}
 

@TargetApi(19)
@SuppressWarnings("ResourceType")
private static CaptionStyleCompat createFromCaptionStyleV19(
    CaptioningManager.CaptionStyle captionStyle) {
  return new CaptionStyleCompat(
      captionStyle.foregroundColor, captionStyle.backgroundColor, Color.TRANSPARENT,
      captionStyle.edgeType, captionStyle.edgeColor, captionStyle.getTypeface());
}
 

@TargetApi(21)
@SuppressWarnings("ResourceType")
private static CaptionStyleCompat createFromCaptionStyleV21(
    CaptioningManager.CaptionStyle captionStyle) {
  return new CaptionStyleCompat(
      captionStyle.hasForegroundColor() ? captionStyle.foregroundColor : DEFAULT.foregroundColor,
      captionStyle.hasBackgroundColor() ? captionStyle.backgroundColor : DEFAULT.backgroundColor,
      captionStyle.hasWindowColor() ? captionStyle.windowColor : DEFAULT.windowColor,
      captionStyle.hasEdgeType() ? captionStyle.edgeType : DEFAULT.edgeType,
      captionStyle.hasEdgeColor() ? captionStyle.edgeColor : DEFAULT.edgeColor,
      captionStyle.getTypeface());
}
 

/**
 * Creates a {@link CaptionStyleCompat} equivalent to a provided {@link CaptionStyle}.
 *
 * @param captionStyle A {@link CaptionStyle}.
 * @return The equivalent {@link CaptionStyleCompat}.
 */
@TargetApi(19)
public static CaptionStyleCompat createFromCaptionStyle(
    CaptioningManager.CaptionStyle captionStyle) {
  if (Util.SDK_INT >= 21) {
    return createFromCaptionStyleV21(captionStyle);
  } else {
    // Note - Any caller must be on at least API level 19 or greater (because CaptionStyle did
    // not exist in earlier API levels).
    return createFromCaptionStyleV19(captionStyle);
  }
}
 

@TargetApi(19)
@SuppressWarnings("ResourceType")
private static CaptionStyleCompat createFromCaptionStyleV19(
    CaptioningManager.CaptionStyle captionStyle) {
  return new CaptionStyleCompat(
      captionStyle.foregroundColor, captionStyle.backgroundColor, Color.TRANSPARENT,
      captionStyle.edgeType, captionStyle.edgeColor, captionStyle.getTypeface());
}
 

@TargetApi(21)
@SuppressWarnings("ResourceType")
private static CaptionStyleCompat createFromCaptionStyleV21(
    CaptioningManager.CaptionStyle captionStyle) {
  return new CaptionStyleCompat(
      captionStyle.hasForegroundColor() ? captionStyle.foregroundColor : DEFAULT.foregroundColor,
      captionStyle.hasBackgroundColor() ? captionStyle.backgroundColor : DEFAULT.backgroundColor,
      captionStyle.hasWindowColor() ? captionStyle.windowColor : DEFAULT.windowColor,
      captionStyle.hasEdgeType() ? captionStyle.edgeType : DEFAULT.edgeType,
      captionStyle.hasEdgeColor() ? captionStyle.edgeColor : DEFAULT.edgeColor,
      captionStyle.getTypeface());
}
 

public Object getService(ContextImpl ctx) {
    return new CaptioningManager(ctx);
}
 

public Object getService(ContextImpl ctx) {
    return new CaptioningManager(ctx);
}
 

public Object getService(ContextImpl ctx) {
    return new CaptioningManager(ctx);
}
 

@Override
public CaptioningManager createService(ContextImpl ctx) {
    return new CaptioningManager(ctx);
}
 

@TargetApi(19)
public static CaptioningManager getCaptioningManager() {
    return (CaptioningManager) getSystemService(Context.CAPTIONING_SERVICE);
}
 

@TargetApi(19)
private float getUserCaptionFontScaleV19() {
  CaptioningManager captioningManager =
      (CaptioningManager) getContext().getSystemService(Context.CAPTIONING_SERVICE);
  return captioningManager.getFontScale();
}
 

@TargetApi(19)
private CaptionStyleCompat getUserCaptionStyleV19() {
  CaptioningManager captioningManager =
      (CaptioningManager) getContext().getSystemService(Context.CAPTIONING_SERVICE);
  return CaptionStyleCompat.createFromCaptionStyle(captioningManager.getUserStyle());
}
 

@TargetApi(19)
private float getUserCaptionFontScaleV19() {
    CaptioningManager captioningManager =
            (CaptioningManager) getSystemService(Context.CAPTIONING_SERVICE);
    return captioningManager.getFontScale();
}
 

@TargetApi(19)
private CaptionStyleCompat getUserCaptionStyleV19() {
    CaptioningManager captioningManager =
            (CaptioningManager) getSystemService(Context.CAPTIONING_SERVICE);
    return CaptionStyleCompat.createFromCaptionStyle(captioningManager.getUserStyle());
}