Android Open Source - Battery_level_indiacator Main Activity

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From Project

Back to project page Battery_level_indiacator.

License

The source code is released under:

MIT License

Java Source Code

package flip.chargeplus;
//from  w  w w.  java2 s.c  o  m
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.BatteryManager;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ImageView;
import android.widget.TextView;

public class MainActivity extends Activity {
  
  ImageView image;
  ImageView stat;
  TextView textBatteryLevel;
  TextView status;
  private String getPlugTypeString(int plugged) {
    String plugType = "Unknown";

    switch (plugged) {
    case BatteryManager.BATTERY_PLUGGED_AC:
      plugType = "AC";
      break;
    case BatteryManager.BATTERY_PLUGGED_USB:
      plugType = "USB";
      break;
    }

    return plugType;
  }
  private String getHealthString(int health) {
    String healthString = "Unknown";

    switch (health) {
    case BatteryManager.BATTERY_HEALTH_DEAD:
      healthString = "Dead";
      break;
    case BatteryManager.BATTERY_HEALTH_GOOD:
      healthString = "Good";
      break;
    case BatteryManager.BATTERY_HEALTH_OVER_VOLTAGE:
      healthString = "Over Voltage";
      break;
    case BatteryManager.BATTERY_HEALTH_OVERHEAT:
      healthString = "Over Heat";
      break;
    case BatteryManager.BATTERY_HEALTH_UNSPECIFIED_FAILURE:
      healthString = "Failure";
      break;
    }

    return healthString;
  }
  
  private String getStatusString(int status) {
    String statusString = "Unknown";

    switch (status) {
    case BatteryManager.BATTERY_STATUS_CHARGING:
      statusString = "Charging";
      break;
    case BatteryManager.BATTERY_STATUS_DISCHARGING:
      statusString = "Discharging";
      break;
    case BatteryManager.BATTERY_STATUS_FULL:
      statusString = "Full";
      break;
    case BatteryManager.BATTERY_STATUS_NOT_CHARGING:
      statusString = "Not Charging";
      break;
    }

    return statusString;
  }
  private void setBatteryLevelText(String text) {
    textBatteryLevel.setText(text);
  }
  private void setStatus(String text) {
    status.setText(text);
  }
  
  private void registerBatteryLevelReceiver() {
    IntentFilter filter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);

    registerReceiver(battery_receiver, filter);
    
    
    
    
  }
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    
    
    textBatteryLevel = (TextView) findViewById(R.id.info);
    status = (TextView) findViewById(R.id.status);
     
        registerBatteryLevelReceiver();
        

  }
  private BroadcastReceiver battery_receiver = new BroadcastReceiver() {
    @Override
    public void onReceive(Context context, Intent intent) {
      boolean isPresent = intent.getBooleanExtra("present", false);
      String technology = intent.getStringExtra("technology");
      int plugged = intent.getIntExtra("plugged", -1);
      int scale = intent.getIntExtra("scale", -1);
      int health = intent.getIntExtra("health", 0);
      int status = intent.getIntExtra("status", 0);
      int rawlevel = intent.getIntExtra("level", -1);
      int voltage = intent.getIntExtra("voltage", 0);
      int temperature = intent.getIntExtra("temperature", 0);
      int level = 0;

      Bundle bundle = intent.getExtras();

      Log.i("BatteryLevel", bundle.toString());

      if (isPresent) {
        if (rawlevel >= 0 && scale > 0) {
          level = (rawlevel * 100) / scale;
        }
        String state = getStatusString(status);
        setStatus(state);
        image = (ImageView) findViewById(R.id.testimage);
        stat = (ImageView) findViewById(R.id.stat);
        if(state.equals("Charging")){
        
        image.setBackgroundResource(R.drawable.charging);
        }
        else if(state.equals("Discharging")) { image.setBackgroundResource(R.drawable.not_charging);}
        //My Addition
        
        if(level<=10){
          stat.setBackgroundResource(R.drawable.a);
        }
         if(level>10 && level<=20) {
          stat.setBackgroundResource(R.drawable.b);
        
        }
         if(level>20 && level<=25) {
          stat.setBackgroundResource(R.drawable.c);
        }
         if(level>25 && level<=30) {
          stat.setBackgroundResource(R.drawable.d);
        }
         if(level>30 && level<=40) {
          stat.setBackgroundResource(R.drawable.e);
        }
         if(level>40 && level<=50) {
          stat.setBackgroundResource(R.drawable.f);
        }
         if(level>50 && level<=60) {
          stat.setBackgroundResource(R.drawable.g);
        }
         if(level>60 && level<=70) {
          stat.setBackgroundResource(R.drawable.h);
        }
         if(level>70 && level<=75) {
          stat.setBackgroundResource(R.drawable.i);
        }
         if(level>75 && level<=80) {
          stat.setBackgroundResource(R.drawable.j);
        }
         if(level>80 && level<=90) {
          stat.setBackgroundResource(R.drawable.k);
        }
         if(level>90 && level<=95) {
          stat.setBackgroundResource(R.drawable.l);
        }
         if(level>95 && level<=100) {
            stat.setBackgroundResource(R.drawable.m);
          
          }
        String info = level +"%" ;
        setBatteryLevelText(info);}
        //My Addition End
        /*String info = "Battery Level: " + level + "%\n";
        info += ("Technology: " + technology + "\n");
        info += ("Plugged: " + getPlugTypeString(plugged) + "\n");
        info += ("Health: " + getHealthString(health) + "\n");
        info += ("Status: " + getStatusString(status) + "\n");
        info += ("Voltage: " + voltage + "\n");
        info += ("Temperature: " + temperature + "\n");

        setBatteryLevelText(info + "\n\n" + bundle.toString());
      */
      else {
        setBatteryLevelText("Battery not present!!!");
            }
    }
  };

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();
    if (id == R.id.action_settings) {
      return true;
    }
    return super.onOptionsItemSelected(item);
  }
}

Java Source Code List

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