Has leaked IntentReceiver... that was originally registerd here. Are you missing a call to unregister, intentreceiver

Has leaked IntentReceiver... that was originally registerd here. Are you missing a call to unregister, intentreceiver

Today I encountered this error: has leaked IntentReceiver... that was originally registerd here. Are you missing a call to unregisterReceiver

:

The Chinese meaning of this error is that IntentReceiver has exceeded. Have you forgotten to call the method for canceling broadcast?

Cause:

The reason for IntentReceiver overflow is that the receiver is not unregister after it is register. after repeated attempts, intentReceiver leaks.

However, I actually called the unregisterReceiver (batteryReceiver). Why does this problem occur?

Solution:

To avoid this problem, register the broadcast and cancel the broadcast in pairs, but at the same time to avoid the problem of NULL pointer, we 'd better add a flag

/*** Flag, whether to enable broadcaseReceiver. The default value is false */boolean flag = false;

When registering a broadcast, change the flag to true.

/*** Register broadcast */private void registerReceiver () {flag = true; IntentFilter filter = new IntentFilter (); filter. addAction (Intent. ACTION_BATTERY_CHANGED); batteryReceiver = new BatteryReceiver (); registerReceiver (batteryReceiver, filter );}

Before canceling a broadcast, determine whether the flag is true (that is, whether the broadcast has been registered). If so, cancel the broadcast.

@Overridepublic void onPause() {if(flag){flag=false;unregisterReceiver(batteryReceiver);}super.onPause();}

The reason for flag is to avoid registration of broadcast, but cancel broadcast, so there will be a null pointer

Reprinted please indicate the source, thank you http://blog.csdn.net/harryweasley/article/details/45092041