问Android对讲公告本地化

EN

findViewById(android.R.id.content).setAccessibilityDelegate(new View.AccessibilityDelegate() {

    private TextToSpeech mTts = new TextToSpeech(MainActivity.this, new TextToSpeech.OnInitListener() {
        @Override
        public void onInit(int status) {
            mTts.setLanguage(new Locale("es"));
            //Probably other things you should do to ensure TTS is initialized before requesting it speaks something.
        }
    });

    private boolean isSpanishView(View view) {
        return true;
    }

    @Override
    public boolean onRequestSendAccessibilityEvent(ViewGroup host, View child, AccessibilityEvent event) {

        switch (event.getEventType()) {
            case AccessibilityEvent.TYPE_ANNOUNCEMENT:
            case AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUSED: {
                if (isSpanishView(child)) {
                    String speakableText = null;

                    if (event.getText() != null) {
                        speakableText = event.getText().toString();
                    } else if (event.getContentDescription() != null) {
                        speakableText = event.getContentDescription().toString();
                    }

                    if (speakableText != null) {
                        mTts.speak(speakableText.toString(), TextToSpeech.QUEUE_ADD, null);

                        //Prevent the default propagation of this event, have have handled it.
                        return false;
                    }
                }
            }

            default:
                return super.onRequestSendAccessibilityEvent(host, child, event);
        }
    }
});