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我有一個小程序,它在for循環中使用TTS。 我創建了一個按鈕,通過tts.stop()來停止TTS。 有沒有辦法暫停TTS,如果我點擊按鈕。停止的問題是,我不能恢復TTS。我知道TTS中沒有簡單的暫停方法。TTS暫停按鈕,我只能阻止它完成,但不能恢復
public class MainActivity extends Activity implements OnClickListener, OnInitListener {
public Button btn;
public Button next;
private TextToSpeech tts;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tts = new TextToSpeech(this, this);
}
public void onClick(View v) {
tts.speak("Mach dich bereit!", TextToSpeech.QUEUE_FLUSH, null);
if (v == btn) {
for (int i = 1; i < 7; i++) {
String str = String.valueOf(i);
tts.speak(str, TextToSpeech.QUEUE_ADD, null);
tts.playSilence(3000, TextToSpeech.QUEUE_ADD, null);
}
}
@Override
public void onInit(int status) {
// Button init. and ClickListener
btn = (Button) findViewById(R.id.button1);
btn.setOnClickListener(this); }
//my button to stop!
public void verlaufKlick(View view) {
tts.stop();
}
錯誤:
03-26 23:33:43.266: E/AndroidRuntime(1720): FATAL EXCEPTION: main
03-26 23:33:43.266: E/AndroidRuntime(1720): java.lang.NullPointerException
03-26 23:33:43.266: E/AndroidRuntime(1720): at com.example.halloandroid.MainActivity.onClick(MainActivity.java:73)
03-26 23:33:43.266: E/AndroidRuntime(1720): at android.view.View.performClick(View.java:4240)
03-26 23:33:43.266: E/AndroidRuntime(1720): at android.view.View$PerformClick.run(View.java:17721)
03-26 23:33:43.266: E/AndroidRuntime(1720): at android.os.Handler.handleCallback(Handler.java:730)
03-26 23:33:43.266: E/AndroidRuntime(1720): at android.os.Handler.dispatchMessage(Handler.java:92)
03-26 23:33:43.266: E/AndroidRuntime(1720): at android.os.Looper.loop(Looper.java:137)
03-26 23:33:43.266: E/AndroidRuntime(1720): at android.app.ActivityThread.main(ActivityThread.java:5103)
03-26 23:33:43.266: E/AndroidRuntime(1720): at java.lang.reflect.Method.invokeNative(Native Method)
03-26 23:33:43.266: E/AndroidRuntime(1720): at java.lang.reflect.Method.invoke(Method.java:525)
03-26 23:33:43.266: E/AndroidRuntime(1720): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
03-26 23:33:43.266: E/AndroidRuntime(1720): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
03-26 23:33:43.266: E/AndroidRuntime(1720): at dalvik.system.NativeStart.main(Native Method)
public void verlaufKlick(View view){ \t \t tts.playSilence(3000,TextToSpeech.QUEUE_ADD,null); }我嘗試這個,但它不工作。 – basti12354
要中斷現有的播放,你需要使用QUEUE_FLUSH,所以這不是一個真正的停頓,不幸的是。 – Turnsole
你有一個想法,我可以如何使用它。 while(pause == true){tts.playSilence(3000,TextToSpeech.QUEUE_FLUSH,null);} public Boolean verlaufKlick(View view){return pause = true}如果將錯誤代碼添加到我的文章中,它不起作用! – basti12354