import android.support.v17.leanback.app.SearchFragment; //导入依赖的package包/类
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.search);
    mFragment = (SearchFragment) getFragmentManager().findFragmentById(R.id.search_fragment);
    if (USE_INTERNAL_SPEECH_RECOGNIZER) {
        mSpeechRecognitionCallback = new SpeechRecognitionCallback() {
            @Override
            public void recognizeSpeech() {
                if (DEBUG) {
                    Log.v(TAG, "recognizeSpeech");
                }
                startActivityForResult(mFragment.getRecognizerIntent(), REQUEST_SPEECH);
            }
        };
        mFragment.setSpeechRecognitionCallback(mSpeechRecognitionCallback);
    }
}
 

import android.support.v17.leanback.app.SearchFragment; //导入依赖的package包/类
/**
 * Catch the SEARCH key so that the general Android TV search is not launched.
 * Try to relaunch the show name search instead
 * @param keyCode
 * @param event
 * @return
 */
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (event.getKeyCode() == KeyEvent.KEYCODE_SEARCH) {
        Fragment f = getFragmentManager().findFragmentById(R.id.fragment);
        if (f instanceof SearchFragment) {
            ((SearchFragment)f).startRecognition();
            return true;
        }
    }
    return super.onKeyDown(keyCode, event); // default
}
 

import android.support.v17.leanback.app.SearchFragment; //导入依赖的package包/类
/**
 * Catch the SEARCH key so that the general Android TV search is not launched.
 * Try to relaunch the movie name search instead
 * @param keyCode
 * @param event
 * @return
 */
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (event.getKeyCode() == KeyEvent.KEYCODE_SEARCH) {
        Fragment f = getFragmentManager().findFragmentById(R.id.fragment);
        if (f instanceof SearchFragment) {
            ((SearchFragment)f).startRecognition();
            return true;
        }
    }
    return super.onKeyDown(keyCode, event); // default
}
 

import android.support.v17.leanback.app.SearchFragment; //导入依赖的package包/类
/**
 * Catch the SEARCH key so that the general Android TV search is not launched.
 * Try to relaunch the AVP search instead
 * @param keyCode
 * @param event
 * @return
 */
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (event.getKeyCode() == KeyEvent.KEYCODE_SEARCH) {
        Fragment f = getFragmentManager().findFragmentById(R.id.video_search_fragment);
        if (f instanceof SearchFragment) {
            ((SearchFragment)f).startRecognition();
            return true;
        }
    }
    return super.onKeyDown(keyCode, event); // default
}