prevent NPE
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parent
f7f4385d5d
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@ -738,6 +738,7 @@ public class WatchUpdaterService extends WearableListenerService implements
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public static int getBatteryLevel(Context context) {
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public static int getBatteryLevel(Context context) {
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Intent batteryIntent = context.registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
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Intent batteryIntent = context.registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
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if (batteryIntent != null) {
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int level = batteryIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
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int level = batteryIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
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int scale = batteryIntent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
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int scale = batteryIntent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
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if (level == -1 || scale == -1) {
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if (level == -1 || scale == -1) {
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@ -745,4 +746,6 @@ public class WatchUpdaterService extends WearableListenerService implements
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}
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}
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return (int) (((float) level / (float) scale) * 100.0f);
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return (int) (((float) level / (float) scale) * 100.0f);
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}
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}
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return 50;
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}
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}
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}
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