How to open Battery Use in About Device part of Settings Programatically in android?

Question

i am developing an android app where i want to open the Battery use intent which is present in About device part of settings programatically. I am using the below code for i

Answer 1

Intent intentBatteryUsage = new Intent(Intent.ACTION_POWER_USAGE_SUMMARY);        
startActivity(intentBatteryUsage);

Answer 2

Try this..

Intent powerUsageIntent = new Intent(Intent.ACTION_POWER_USAGE_SUMMARY);
ResolveInfo resolveInfo = getPackageManager().resolveActivity(powerUsageIntent, 0);             
if(resolveInfo != null){
         startActivity(powerUsageIntent);
}