Java 为什么这个收音机不工作?
我想制作一个广播接收器,这样当屏幕关闭时,我会收到通知,然后再打开,但它什么都不做,问题是什么Java 为什么这个收音机不工作?,java,android,Java,Android,我想制作一个广播接收器,这样当屏幕关闭时,我会收到通知,然后再打开,但它什么都不做,问题是什么 public class SplashScreen extends SherlockActivity { PowerManager.WakeLock mWakeLock; BroadcastReceiver rec = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent
public class SplashScreen extends SherlockActivity {
PowerManager.WakeLock mWakeLock;
BroadcastReceiver rec = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(Intent.ACTION_SCREEN_OFF)) {
WakeLock screenLock = ((PowerManager) getSystemService(POWER_SERVICE))
.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK
| PowerManager.ACQUIRE_CAUSES_WAKEUP, "TAG");
screenLock.acquire();
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(com.sensounlock.R.layout.rotation);
IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF);
registerReceiver(rec, filter);
}
移动你的
BroadcastReceiver rec = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(Intent.ACTION_SCREEN_OFF)) {
WakeLock screenLock = ((PowerManager) getSystemService(POWER_SERVICE))
.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK
| PowerManager.ACQUIRE_CAUSES_WAKEUP, "TAG");
screenLock.acquire();
}
}
};
在你的创造下
public class SplashScreen extends SherlockActivity {
PowerManager.WakeLock mWakeLock;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(com.sensounlock.R.layout.rotation);
BroadcastReceiver rec = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(Intent.ACTION_SCREEN_OFF)) {
WakeLock screenLock = ((PowerManager) getSystemService(POWER_SERVICE))
.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK
| PowerManager.ACQUIRE_CAUSES_WAKEUP, "TAG");
screenLock.acquire();
}
}
};
registerReceiver(rec, new IntentFilter("package.name.xx"));
pi = PendingIntent.getBroadcast(this, 0, new Intent(
"package.name.xx"), 0);
}
您在清单中注册了吗?@twntee不需要,我想通过代码注册,在停止时,您可以通过取消注册ReceiverXXX来停止它;package.name.xx是我的包的完整名称,例如com.example?是的,它是完整的包名称