Android Open Source - GlassStatus Main Activity

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From Project

Back to project page GlassStatus.

License

The source code is released under:

Apache License

Java Source Code

package com.intertrode.glass.status;
//from  w  w  w .  j a  v a 2s . c om
import android.os.Bundle;
import android.app.Activity;
import android.util.Log;
import android.view.View;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.BroadcastReceiver;
import android.os.BatteryManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.SystemClock;

import com.google.android.glass.app.Card;

public class MainActivity extends Activity {
  public static boolean isNetworkConnected(Context c) {
    ConnectivityManager conManager = (ConnectivityManager) c.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo netInfo = conManager.getActiveNetworkInfo();

    return (netInfo != null && (netInfo.isConnected() && netInfo.isAvailable()));
  }

  public static NetworkInfo networkInfo(Context c) {
    ConnectivityManager conManager = (ConnectivityManager) c.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo netInfo = conManager.getActiveNetworkInfo();
    return netInfo;
  }

  private BroadcastReceiver mGlassStatusReceiver = new BroadcastReceiver() {
    @Override
    public void onReceive(Context c, Intent i) {
      
      /* Battery Level */
      int level = i.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
      int scale = i.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
      float batteryPct = (level / (float) scale) * 100;
      String cardText = "Battery Level: " + Float.toString(batteryPct)
          + "%\n";

      /* Network Status */
      String networkState = "Network: OFFLINE\n";
      if (MainActivity.isNetworkConnected(c)) {
        networkState = "Network: " + networkInfo(c).getTypeName() + "\n";
      }      
      
      /* Uptime */
      Long uptimeMillis;
      String uptimeText = "\n";
      uptimeMillis = SystemClock.uptimeMillis();
      Long u = uptimeMillis / 1000;
      Long seconds = u % 60;
      u = u/60;
      Long minutes = u % 60;
      u = u/60;
      Long hours = u % 24;
      u = u/24;
      Long days = u;
      
      Long ten = Long.valueOf(10);
      
      String dayLabel = "days";
      if(days.equals(1L)) {
        dayLabel = "day";
      }
      
      String hoursLabel = String.valueOf(hours);
      if(hours.compareTo(ten) < 0) {
        hoursLabel = "0" + hours;
      }

      String minutesLabel = String.valueOf(minutes);
      if(minutes.compareTo(ten) < 0) {
        minutesLabel = "0" + minutes;
      }

      String secondsLabel = String.valueOf(seconds);
      if(seconds.compareTo(ten) < 0) {
        secondsLabel = "0" + seconds;
      }
      
      uptimeText = "Uptime: " + days + " " + dayLabel + " " + hoursLabel + ":" + minutesLabel + ":" + secondsLabel;

      /* Create output */
      Card card = new Card(c);
      cardText = "*** GLASS STATUS ***\n" + cardText + networkState + uptimeText;
      card.setText(cardText);
      View cardView = card.toView();
      setContentView(cardView);
    }
  };

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    registerReceiver(mGlassStatusReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
  }
  
  @Override
  protected void onStop()
  {
      unregisterReceiver(mGlassStatusReceiver);
      super.onStop();
  }
}

Java Source Code List

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