CODEWITHSUNDEEP
androidsharedpreferencesandroid-broadcastreceiver
qcm217
qcm217

Reputation: 143

Android SharedPreferences value not update in BroadcastReceiver

I create a SharedPreferences called ALARM with a map called ("alarm",boolean), ("alarm",boolean)'s boolean value changed time to time in MainActivity, and received in a BroadcastReceiver.

The problem is: when I change the value in MainActivity time to time, BroadcastReceiver only change once. What's wrong with my code?

In below code, the start() align to a button, when clicked, change boolean to true. I can see a true value received in the BroadcastReceiver as well. But then I click the stop(), boolean change to false in MainActivity, but still see a true value received in BroadcastReceiver.

If I click stop() first, then I always see false value in BroadcastReceiver.(even I click start() many time)

Thanks.

MainActivity:

public class MainActivity extends AppCompatActivity {
SharedPreferences ALARM;
SharedPreferences.Editor editorALARM;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    ALARM = getSharedPreferences("ALARM", MODE_PRIVATE);
    editorALARM = ALARM.edit();

}

// start data service
public void start(View view) {
    editorALARM.putBoolean("alarm", true).apply();
    Log.e("start",""+ALARM.getBoolean("alarm", false));

    Intent intent = new Intent();
    intent.setAction("xxx.ALARM");
    sendBroadcast(intent);

}

// stop data service
public void stop(View view) {
    editorALARM.putBoolean("alarm", false).apply();
    Log.e("stop",""+ALARM.getBoolean("alarm", true));

    Intent intent = new Intent();
    intent.setAction("xxx.ALARM");
    sendBroadcast(intent);

}

}

BroadcastReceiver:

public class Receiver extends BroadcastReceiver {
SharedPreferences ALARM;

@Override
public void onReceive(Context context, Intent intent) {
    ALARM = context.getSharedPreferences("ALARM", Activity.MODE_PRIVATE);

    Log.e("actual",""+ALARM.getBoolean("alarm", false));

}
}

Upvotes: 1

Views: 580

Answers (2)

qcm217
qcm217

Reputation: 143

It is due to the android: process =":remote" in manifests.xml, after remove it. I got correct boolean.

Upvotes: 3

Amit Bhati
Amit Bhati

Reputation: 1405

replace-

editorALARM.putBoolean("alarm", true).apply();

with-

editorALARM.putBoolean("alarm", true).commit();

will work for you

Upvotes: 0

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