Android Open Source - robattery Robattery

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Back to project page robattery.

License

The source code is released under:

GNU General Public License

Java Source Code

/*
 *  Copyright (C) 2009-2010    John Reese, LeetCode.net
 *//w  ww . j a va2  s .  co  m
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

package net.leetcode.robattery;

import android.app.Activity;
import android.content.*;
import android.os.*;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;

public class Robattery extends Activity {
  private static final int IDLETIME = 1000 * 5; // five seconds
  private final String LOGCAT = "Robattery";
  
  private boolean bound = false;
  private boolean connected = false;
  
  private Intent robatteryServiceIntent;
  private IBinder robatteryBinder;
  
  private TextView batteryTextView;
  
  private Handler tickHandler = new Handler() {
    private int count = 0;
    
    @Override
    public void handleMessage(Message m) {
      count++;
      
      if ( bound ) {
        if ( connected ) {
          if ( robatteryBinder != null ) {
            Parcel data = Parcel.obtain();
            Parcel reply = Parcel.obtain();
            
            Battery battery = null;
            
            try {
              robatteryBinder.transact(0, data, reply, 0);
              battery = new Battery(reply.readBundle());
              
            } catch (RemoteException e) {
            }
            
            if ( battery != null ) {
              batteryTextView.setText(
                  "Battery Level: "+String.valueOf(battery.level)+"%\n"+
                  "Status: "+String.valueOf(battery.status)+"\n"+
                  "Temperature: "+String.valueOf(battery.temperature)+"\n"
                  );
            }
          } else {
            batteryTextView.setText("Binder not available.");
          }
        } else {
          batteryTextView.setText("Service not connected.");
        }
      }
      
      this.sendEmptyMessageDelayed(0, IDLETIME);
    }
  };
  
  private ServiceConnection robatteryConnection = new ServiceConnection() {
    public void onServiceConnected(ComponentName name, IBinder binder) {
      Log.i(LOGCAT, "Service connected");
      
      connected = true;
      robatteryBinder = binder;
    }
    
    public void onServiceDisconnected(ComponentName name) {
      Log.i(LOGCAT, "Service disconnected");
      
      connected = false;
      robatteryBinder = null;
    }
  };
  
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
      robatteryServiceIntent = new Intent(getBaseContext(), BatteryService.class);
      // robatteryServiceIntent.setComponent(new ComponentName(this, "net.leetcode.robattery.BatteryService"));
      
        this.startService(robatteryServiceIntent);
        
        batteryTextView = new TextView(this);
        batteryTextView.setText("Waiting for battery status...");
        setContentView(batteryTextView);
    }
    
    @Override
    public void onResume() {
      super.onResume();
      
      tickHandler.sendEmptyMessageDelayed(0, 1000);
      
      bound = this.bindService(robatteryServiceIntent, robatteryConnection, 0);
      if ( !bound ) {
        batteryTextView.setText("Could not bind service!");
      }
    }
    
    @Override
    public void onPause() {
      super.onPause();
      
      if (bound) {
        this.unbindService(robatteryConnection);
      }
      
      tickHandler.removeMessages(0);
    }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.main, menu);

    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {

    switch (item.getItemId()) {
    case R.id.main_settings:
      Intent intent = new Intent();
      intent.setComponent(new ComponentName(this, "net.leetcode.robattery.Settings"));
      startActivity(intent);
      break;

    default:
      break;
    }

    return true;
  }
}

Java Source Code List

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