Android 意图.行动-耳机-插头';s state extra总是在1上返回
我使用BroadcastReceiver是为了知道耳机是否插到设备上,但在每种情况下,“状态”意图会立即返回1(已插) 这是我的密码:Android 意图.行动-耳机-插头';s state extra总是在1上返回,android,android-intent,android-broadcast,Android,Android Intent,Android Broadcast,我使用BroadcastReceiver是为了知道耳机是否插到设备上,但在每种情况下,“状态”意图会立即返回1(已插) 这是我的密码: public class Class { boolean isHeadsetOn; IntentFilter headsetReceiverFilter; HeadsetPluggedReceiver headsetReceiver; public Class(Context context) { this.headsetReceiv
public class Class {
boolean isHeadsetOn;
IntentFilter headsetReceiverFilter;
HeadsetPluggedReceiver headsetReceiver;
public Class(Context context) {
this.headsetReceiverFilter = new IntentFilter(Intent.ACTION_HEADSET_PLUG);
this.headsetReceiver = new HeadsetPluggedReceiver();
context.registerReceiver(this.headsetReceiver, this.headsetReceiverFilter);
}
private class HeadsetPluggedReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
switch(intent.getIntExtra("state", -1)) {
case 0:
Synthesizer.this.isHeadsetOn = false;
Log.d("onreceive", "off");
case 1:
Synthesizer.this.isHeadsetOn = true;
Log.d("onreceive", "on");
default:
// shit
}
}
}
}
这是我的日志:
// not plugged. plugging in
onreceive | on
// unplugging
onreceive | off
onreceive | on
// plugging in again
onreceive | on
// plugging off again
onreceive | off
onreceive | on
我怎样才能解决这个问题
提前谢谢。您需要在交换机机箱中添加中断语句。现在,您的逻辑已进入案例1。**应该是:**
@Override
public void onReceive(Context context, Intent intent) {
switch(intent.getIntExtra("state", -1)) {
case 0:
Synthesizer.this.isHeadsetOn = false;
Log.d("onreceive", "off");
break; //<---------
case 1:
Synthesizer.this.isHeadsetOn = true;
Log.d("onreceive", "on");
break; //<---------
default:
// shit
}
}
}
@覆盖
公共void onReceive(上下文、意图){
开关(intent.getIntExtra(“状态”,-1)){
案例0:
Synthesizer.this.isheadston=false;
日志d(“接收”、“关闭”);
中断//