Android Device/Battery Temperature Sensor Sample

Create Temperature activity and create instance for android.intent.action.BATTERY_CHANGED intend  and register with Temperature Broadcast Receiver

Download Source 

package com.javaorigin.temperature;

import android.app.Activity;
import android.content.IntentFilter;
import android.os.Bundle;
import android.widget.TextView;

public class TemperatureActivity extends Activity   {
 TemperatureReceiver receiver=new TemperatureReceiver(this);
 TextView tempDisplay=null;
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
   tempDisplay=(TextView) findViewById(R.id.tempDisplay);

   IntentFilter localIntentFilter = new IntentFilter();
   localIntentFilter.addAction("android.intent.action.BATTERY_CHANGED");
   registerReceiver(receiver, localIntentFilter);   
 }


}

Create Temperature Broadcast Receiver

package com.javaorigin.temperature;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;

public class TemperatureReceiver extends BroadcastReceiver{
 TemperatureActivity activity=null;
 public TemperatureReceiver(TemperatureActivity mainActivity) {
  activity=mainActivity;
 }
 @Override
 public void onReceive(Context arg0, Intent arg1) {
  activity.tempDisplay.setText(arg1.getIntExtra("temperature", 0)/10.0D+"");
 }

}