package drew.data.droid;

import android.app.*;
import android.os.*;
import android.net.TrafficStats;
import android.graphics.Paint;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.drawable.Icon;
import android.widget.ImageView;
import android.widget.TextView;
import java.util.Timer;
import java.util.TimerTask;
import android.graphics.drawable.*;

public class MainActivity extends Activity 
{
    private Timer au;
    private int x = 0;
    
    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
	}
	
    @Override
    public void onResume() {
        super.onResume();
        au = new Timer();
        au.schedule(new TimerTask() {
            @Override
            public void run() {
                runOnUiThread(new Runnable() {
                    public void run() {
                        showTraffic();
                    }
                });
            }
        }, 0, 5000);
    }
    
			
	private void showTraffic() {
            Icon ik;
            x ^= 15;
            TrafficStats ts = new TrafficStats();
            long total_data = ts.getMobileRxBytes() + ts.getMobileTxBytes();
            String data_text = "Total usage: " + total_data + " bytes.";
            Bitmap oimage = textAsBitmap(data_text, 15 + x, -256);   
    
            TextView tview = (TextView) findViewById(R.id.tv1);
            tview.setText(data_text);    

            ImageView iview = (ImageView) findViewById(R.id.xx1);
            iview.setImageBitmap(oimage);
    
            ik = Icon.createWithBitmap(oimage);
    /***       
            Notification.Builder mb = new Notification.Builder(this)
                .setSmallIcon(ik)
                .setLargeIcon(oimage)
                .setContentTitle("Data usage")
                .setContentText(data_text)
                .setOngoing(true);
    ****/
    }

    
    public static Bitmap textAsBitmap(String text, float textSize, int textColor) {
        Paint paint = new Paint(1);
        paint.setTextSize(textSize);
        paint.setColor(textColor);
        paint.setTextAlign(Paint.Align.LEFT);
        float baseline = -paint.ascent();
        int width = (int) (paint.measureText(text) + 0.0f);
        int height = (int) (baseline + paint.descent() + 0.0f);

        int trueWidth = width;
        Bitmap image = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
		image.eraseColor(-16777216);
     
        Canvas canvas = new Canvas(image);
        canvas.drawText(text, width/2-trueWidth/2, baseline, paint);
        return image;
    }

    
    @Override
    public void onPause() {
        au.cancel();
        super.onPause();
    }

}