Thursday, June 23, 2011

Check battery usage, with Intent.ACTION_POWER_USAGE_SUMMARY

To show power usage information to the user, you can start activity using Intent.ACTION_POWER_USAGE_SUMMARY.

Check battery usage, with Intent.ACTION_POWER_USAGE_SUMMARY

package com.exercise.IntentBatteryUsage;

import android.app.Activity;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class AndroidIntentBatteryUsageActivity extends Activity {

Button btnCheckBattery;
Intent intentBatteryUsage;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

btnCheckBattery = (Button)findViewById(R.id.checkBattery);

intentBatteryUsage = new Intent(Intent.ACTION_POWER_USAGE_SUMMARY);
ResolveInfo resolveInfo = getPackageManager().resolveActivity(intentBatteryUsage,0);

if(resolveInfo == null){
Toast.makeText(AndroidIntentBatteryUsageActivity.this,
"Not Support!",
Toast.LENGTH_LONG).show();
btnCheckBattery.setEnabled(false);
}else{
btnCheckBattery.setEnabled(true);
}

btnCheckBattery.setOnClickListener(new Button.OnClickListener(){

public void onClick(View v) {
// TODO Auto-generated method stub
startActivity(intentBatteryUsage);
}});

}
}



Related articles:
- Detect Battery Info.

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