Example usage for android.view.accessibility CaptioningManager addCaptioningChangeListener

Introduction

In this page you can find the example usage for android.view.accessibility CaptioningManager addCaptioningChangeListener.

Prototype

public void addCaptioningChangeListener(@NonNull CaptioningChangeListener listener) 

Source Link

Document

Adds a listener for changes in the user's preferred captioning enabled state and visual properties.

Usage

From source file:com.google.android.libraries.cast.companionlibrary.cast.VideoCastManager.java

@SuppressLint("NewApi")
private void registerCaptionListener(final Context context) {
    if (Utils.IS_KITKAT_OR_ABOVE) {
        CaptioningManager captioningManager = (CaptioningManager) context
                .getSystemService(Context.CAPTIONING_SERVICE);
        captioningManager.addCaptioningChangeListener(new CaptioningManager.CaptioningChangeListener() {
            @Override/*from  w  ww .  ja  v  a 2s .com*/
            public void onEnabledChanged(boolean enabled) {
                onTextTrackEnabledChanged(enabled);
            }

            @Override
            public void onUserStyleChanged(CaptioningManager.CaptionStyle userStyle) {
                onTextTrackStyleChanged(mTrackManager.getTextTrackStyle());
            }

            @Override
            public void onFontScaleChanged(float fontScale) {
                onTextTrackStyleChanged(mTrackManager.getTextTrackStyle());
            }

            @Override
            public void onLocaleChanged(Locale locale) {
                onTextTrackLocaleChanged(locale);
            }
        });
    }
}

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