Accelerometer.java :  » Location » role » ucb » cs169 » project7 » Android Open Source

package ucb.cs169.project7;

import java.io.FileOutputStream;
import java.io.PrintStream;

import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Vibrator;
import android.text.format.Time;
import android.view.View;
import android.view.View.OnTouchListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import android.view.MotionEvent;


/**
 * Android accelerometer sensor tutorial
 * @author antoine vianey
 * under GPL v3 : http://www.gnu.org/licenses/gpl-3.0.html
 */
public class Accelerometer extends Activity implements AccelerometerListener {
  
  float lastX, lastY, lastZ, storedX, storedY, storedZ;
  Button action;
  Time storedTime;
  boolean isDone;
  boolean isPressed;
  String positions = "";
  TextView xtest, ytest, ztest, xtest2, ytest2, ztest2;
  
  
  private static Context CONTEXT;
  
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.accelerometer);
        CONTEXT = this;
        
        /**
         * Testing
         */
        
        xtest = (TextView) findViewById(R.id.xtest);
        ytest = (TextView) findViewById(R.id.ytest);
        ztest = (TextView) findViewById(R.id.ztest);
        xtest2 = (TextView) findViewById(R.id.xtest2);
        ytest2 = (TextView) findViewById(R.id.ytest2);
        ztest2 = (TextView) findViewById(R.id.ztest2);
        /**
         * Testing End
         */
        
        action = (Button) findViewById(R.id.action);
        storedTime = new Time();
        action.setOnTouchListener(new OnTouchListener() {
          public boolean onTouch(View v, MotionEvent m) {
            ((Vibrator)getSystemService(VIBRATOR_SERVICE)).vibrate(300);
            if (m.getAction() == MotionEvent.ACTION_DOWN) {
                //button pressed
              storedTime.setToNow();
                storedX = lastX;
                storedY = lastY;
                storedZ = lastZ;
                action.setTextColor(Color.RED);  
                
                xtest.setText(String.valueOf(lastX));
                ytest.setText(String.valueOf(lastY));
                ztest.setText(String.valueOf(lastZ));
                
                
            } else if (m.getAction() == MotionEvent.ACTION_UP) {
                //button being released
                Time now = new Time();
                now.setToNow();
                test();
                if (now.second - storedTime.second > 2) {
                  Toast.makeText(Accelerometer.this,"Too slow!",Toast.LENGTH_SHORT).show();
                } else if (lastX - storedX > 0 && lastX - storedX < 14 && lastY - storedY < 3 && lastY - storedY > -15 && lastZ - storedZ > -12 && lastZ - storedZ < 2) {
                  Toast.makeText(Accelerometer.this,"Stabbed!!",Toast.LENGTH_SHORT).show();
                } else if (lastX - storedX < 5 && lastX - storedX > -5 && storedY - lastY > 7 && lastZ - storedZ > 9) {
                  Toast.makeText(Accelerometer.this,"Slapped down!!",Toast.LENGTH_SHORT).show();
                } else if (lastX - storedX < 5 && lastX - storedX > -5 && lastY-storedY > 0 && lastY-storedY < 13 && lastZ - storedZ > -21 && lastZ - storedZ < -1 ) {
                  Toast.makeText(Accelerometer.this,"Slapped up!!",Toast.LENGTH_SHORT).show();
                } else {
                  Toast.makeText(Accelerometer.this,"Attack move failed!",Toast.LENGTH_SHORT).show();
                }
                
                action.setTextColor(Color.BLACK);
                
                xtest2.setText(String.valueOf(lastX));
                ytest2.setText(String.valueOf(lastY));
                ztest2.setText(String.valueOf(lastZ));
                
                
            }
            return true;
          }
        });
   
        isDone = false;
        isPressed = false;
        Button test = (Button) findViewById(R.id.test);
        test.setOnTouchListener(new OnTouchListener() {
          public boolean onTouch(View v, MotionEvent m) {
            if (m.getAction() == MotionEvent.ACTION_DOWN) {
              Toast.makeText(Accelerometer.this,"down",Toast.LENGTH_SHORT).show();
              isPressed = true;
            } else if (m.getAction() == MotionEvent.ACTION_UP) {
              isDone = true;
              Toast.makeText(Accelerometer.this,"up",Toast.LENGTH_SHORT).show();
            }
              
            return true;
          }
        });
    }

    public void test() {
      if (AccelerometerManager.isSupported()) {
        AccelerometerManager.startListening(this);
        for (int i = 0; i < 100; i++) {
          
        }
        Toast.makeText(Accelerometer.this,String.valueOf(AccelerometerManager.test()),Toast.LENGTH_SHORT).show();
        
      }
    }
    
    @Override
  protected void onResume() {
      super.onResume();
      if (AccelerometerManager.isSupported()) {
        AccelerometerManager.startListening(this);
      }
    }
    
    @Override
  protected void onDestroy() {
      super.onDestroy();
      if (AccelerometerManager.isListening()) {
        AccelerometerManager.stopListening();
      }
      
    }
  
    public static Context getContext() {
    return CONTEXT;
  }

    /**
     * onShake callback
     */
  public void onShake(float force) {
    Toast.makeText(this, "Phone shaked : " + force, 1000).show();
  }

  /**
   * onAccelerationChanged callback
   */
  public void onAccelerationChanged(float x, float y, float z) {
    ((TextView) findViewById(R.id.x)).setText(String.valueOf(x));
    ((TextView) findViewById(R.id.y)).setText(String.valueOf(y));
    ((TextView) findViewById(R.id.z)).setText(String.valueOf(z));
    lastX = x;
    lastY = y;
    lastZ = z;
    
    if (isPressed == true) {
      positions = positions + String.valueOf(x) + "\t" + String.valueOf(y) + "\t" + String.valueOf(z) + "\n";
    }
    if (isDone == true) {
      FileOutputStream out;
      PrintStream p;
      try {
         System.out.println(positions);
         isDone = false;
         isPressed = false;
        Toast.makeText(Accelerometer.this,"Done!!!",Toast.LENGTH_SHORT).show();
      }
      catch (Exception e) {
        Toast.makeText(Accelerometer.this,"Error...",Toast.LENGTH_SHORT).show();
      }
    }
    
  }
    
}