我希望在我的安卓5.0手机上使用电话的GUI(电话GUI)接听来电。我找到了一种方法,需要创建一个活动以发送某些操作来打开电话GUI。我已成功打开了来电的电话GUI。问题是如何打开电话GUI的扬声器。我尝试了代码但它没有打开。你能帮我解决这个问题吗?
audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
audioManager.setMode(AudioManager.MODE_IN_CALL);
if (!audioManager.isSpeakerphoneOn())
audioManager.setSpeakerphoneOn(true);
audioManager.setMode(AudioManager.MODE_NORMAL);
清单
<uses-permission android:name="android.permission.CALL_PHONE"/>
<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS"/>
<uses-permission android:name="android.permission.RECORD_AUDIO"/>
<uses-permission android:name="android.permission.MODIFY_PHONE_STATE" />
此外,我们是否有更简洁的方法来接受来电并使用应答电话的意图进行打开。我的方法很长,因为它使用了一个Activity。这是我的完整类代码。
public class AcceptCallActivity extends Activity {
private static final String MANUFACTURER_HTC = "HTC";
private KeyguardManager keyguardManager;
private AudioManager audioManager;
private CallStateReceiver callStateReceiver;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
}
@Override
protected void onResume() {
super.onResume();
registerCallStateReceiver();
updateWindowFlags();
acceptCall();
}
@Override
protected void onPause() {
super.onPause();
if (callStateReceiver != null) {
unregisterReceiver(callStateReceiver);
callStateReceiver = null;
}
}
private void registerCallStateReceiver() {
callStateReceiver = new CallStateReceiver();
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED);
registerReceiver(callStateReceiver, intentFilter);
}
private void updateWindowFlags() {
if (keyguardManager.inKeyguardRestrictedInputMode()) {
getWindow().addFlags(
WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD |
WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON |
WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
} else {
getWindow().clearFlags(
WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD |
WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON |
WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
}
}
private void acceptCall() {
// for HTC devices we need to broadcast a connected headset
boolean broadcastConnected = MANUFACTURER_HTC.equalsIgnoreCase(Build.MANUFACTURER)
&& !audioManager.isWiredHeadsetOn();
if (broadcastConnected) {
broadcastHeadsetConnected(false);
}
try {
try {
Log.d("AnswerCall","execute input keycode headset hook");
//Turn on speaker
audioManager.setMode(AudioManager.MODE_IN_CALL);
if (!audioManager.isSpeakerphoneOn())
audioManager.setSpeakerphoneOn(true);
audioManager.setMode(AudioManager.MODE_NORMAL);
Runtime.getRuntime().exec("input keyevent " +
Integer.toString(KeyEvent.KEYCODE_HEADSETHOOK));
} catch (IOException e) {
// Runtime.exec(String) had an I/O problem, try to fall back
Log.d("AnswerCall","send keycode headset hook intents");
String enforcedPerm = "android.permission.CALL_PRIVILEGED";
Intent btnDown = new Intent(Intent.ACTION_MEDIA_BUTTON).putExtra(
Intent.EXTRA_KEY_EVENT, new KeyEvent(KeyEvent.ACTION_DOWN,
KeyEvent.KEYCODE_HEADSETHOOK));
Intent btnUp = new Intent(Intent.ACTION_MEDIA_BUTTON).putExtra(
Intent.EXTRA_KEY_EVENT, new KeyEvent(KeyEvent.ACTION_UP,
KeyEvent.KEYCODE_HEADSETHOOK));
sendOrderedBroadcast(btnDown, enforcedPerm);
sendOrderedBroadcast(btnUp, enforcedPerm);
}
} finally {
if (broadcastConnected) {
broadcastHeadsetConnected(false);
}
}
}
private void broadcastHeadsetConnected(boolean connected) {
Intent i = new Intent(Intent.ACTION_HEADSET_PLUG);
i.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
i.putExtra("state", connected ? 1 : 0);
i.putExtra("name", "mysms");
try {
sendOrderedBroadcast(i, null);
} catch (Exception e) {
}
}
private class CallStateReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
finish();
}
}
}