Android Open Source - TheNewBoston Accelerate

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Back to project page TheNewBoston.

License

The source code is released under:

Eclipse Public License - v 1.0 THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECI...

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Java Source Code

package com.homelysoft.thenewboston;
/* w  w w. j a v  a  2  s .c  o  m*/
import javax.vecmath.Point3f;

import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.view.SurfaceHolder;
import android.view.SurfaceView;

public class Accelerate extends Activity implements SensorEventListener {

  Point3f pos,sensorInput,center;
  Bitmap ball;
  SensorManager sm;
  MySurfaceView mySurfaceView;
  
  public class MySurfaceView extends SurfaceView implements Runnable {

    SurfaceHolder holder;
    Thread thread = null;
    private boolean isRunning = false;

    public MySurfaceView(Context context) {
      super(context);
      holder = getHolder();
    }

    public void pause() {
      isRunning = false;
      while (true) {
        try {
          thread.join();
        } catch (InterruptedException e) {
          e.printStackTrace();
        }
        break;
      }
      thread = null;
    }

    public void resume() {
      isRunning = true;
      thread = new Thread(this);
      thread.start();

    }

    @Override
    public void run() {
      while (isRunning) {
        if (!holder.getSurface().isValid()) {
          continue;
        }
        Canvas canvas = holder.lockCanvas();
        canvas.drawRGB(02, 200, 200);
        center.set(canvas.getWidth()-ball.getWidth(), canvas.getWidth()-ball.getHeight(), 0);
        center.scale(0.5f);
        canvas.drawBitmap(ball, center.getX()-sensorInput.getX()*50, center.getY()+sensorInput.getY()*50, null);
        holder.unlockCanvasAndPost(canvas);
        try {
          Thread.sleep(25);
        } catch (InterruptedException e) {
          e.printStackTrace();
        }
      }

    }

  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mySurfaceView=new MySurfaceView(this);
    setContentView(mySurfaceView);
    
    mySurfaceView.resume();
    sm = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
    if (sm.getSensorList(Sensor.TYPE_ACCELEROMETER).size() != 0) {
      Sensor s=sm.getSensorList(Sensor.TYPE_ACCELEROMETER).get(0);
      sm.registerListener(this, s,SensorManager.SENSOR_DELAY_NORMAL);
      ball=BitmapFactory.decodeResource(getResources(), R.drawable.b_ball);
      pos=new Point3f(0,0,0);
      sensorInput=new Point3f(0,0,0);
      center=new Point3f(0,0,0);
    }
  }
  
  @Override
  protected void onPause() {
    super.onPause();
    sm.unregisterListener(this);
  }



  @Override
  public void onAccuracyChanged(Sensor sensor, int accuracy) {

  }

  @Override
  public void onSensorChanged(SensorEvent event) {
    sensorInput.set(event.values[0],event.values[1],0);
  }

}

Java Source Code List