[jira] [Created] (CB-4518) Battery "level" is not calculated correctly

["Peter (JIRA)" <ji...@apache.org>]

Peter created CB-4518:
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             Summary: Battery "level" is not calculated correctly
                 Key: CB-4518
                 URL: https://issues.apache.org/jira/browse/CB-4518
             Project: Apache Cordova
          Issue Type: Bug
          Components: Android
    Affects Versions: 2.9.0
            Reporter: Peter
            Assignee: Joe Bowser
            Priority: Minor


The meaning of the Battery "level" in Cordova is a charge *percentage*. 
Ref http://cordova.apache.org/docs/en/2.9.0/cordova_events_events.md.html#batterylow

But the Battery EXTRA_LEVEL is not a percentage. It's just a number in the range 0 to EXTRA_SCALE
Ref http://developer.android.com/reference/android/os/BatteryManager.html#EXTRA_LEVEL

So the battery level calculation should be something like:
{code}
int level = batteryIntent.getIntExtra(android.os.BatteryManager.EXTRA_LEVEL, 0);
int scale = batteryIntent.getIntExtra(android.os.BatteryManager.EXTRA_SCALE, 100);
int percent = 100 * level / scale;
obj.put("level", percent);
{code}

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