유용한 자료 모음

import android.content.Intent;import android.content.IntentFilter; Intent bat = registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED)); String battLevel = bat.getIntExtra("level", -1)+"%"; TextView textView = (TextView)findViewById(R.id.textView4);textView.setText( "배터리 : " + battLevel );