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Code Issues Releases Wiki Activity

check if receiver is registered before unregister it.

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oliexdev
2018-02-01 20:17:22 +01:00
parent ed53b1d544
commit 70f263c08b
1 changed files with 6 additions and 1 deletions
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7
android_app/app/src/main/java/com/health/openscale/gui/preferences/BluetoothPreferences.java
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@@ -52,6 +52,7 @@ public class BluetoothPreferences extends PreferenceFragment implements SharedPr
private CheckBoxPreference smartAssignEnable;
private CheckBoxPreference ignoreOutOfRangeEnable;
private PreferenceScreen btScanner;
public boolean isReceiverRegistered;
private BluetoothAdapter btAdapter = null;
@@ -67,6 +68,7 @@ public class BluetoothPreferences extends PreferenceFragment implements SharedPr
filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
getActivity().registerReceiver(mReceiver, filter);
isReceiverRegistered = true;
btAdapter.startDiscovery();
}
@@ -119,7 +121,9 @@ public class BluetoothPreferences extends PreferenceFragment implements SharedPr
@Override
public void onDestroy() {
getActivity().unregisterReceiver(mReceiver);
if (isReceiverRegistered) {
getActivity().unregisterReceiver(mReceiver);
}
super.onDestroy();
}
@@ -137,6 +141,7 @@ public class BluetoothPreferences extends PreferenceFragment implements SharedPr
btScanner = (PreferenceScreen) findPreference(PREFERENCE_KEY_BLUETOOTH_SCANNER);
btScanner.setOnPreferenceClickListener(new onClickListenerScannerSelect());
isReceiverRegistered = false;
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
btScanner.setSummary(prefs.getString("btDeviceName", "-"));