Android Open Source - Crystal-Ball Main Activity

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From Project

Back to project page Crystal-Ball.

License

The source code is released under:

MIT License

Java Source Code

package me.rdokollari.crystalball;
//from  w ww  .j  a v  a2  s . c  o  m
import me.rdokollari.crystalball.ShakeDetector.OnShakeListener;
import android.app.Activity;
import android.graphics.drawable.AnimationDrawable;
import android.hardware.Sensor;
import android.hardware.SensorManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.view.Menu;
import android.view.animation.AlphaAnimation;
import android.widget.ImageView;
import android.widget.TextView;

import com.rizartdokollari.crystal.ball.R;

public class MainActivity extends Activity {

  public static final String TAG = MainActivity.class.getSimpleName();// MainActivity.class.getName();
  // Declare our View variables
  private TextView mTextViewAnswer;
  private ImageView mCrystallBallImage;
  private CrystalBall mCrystalBall;
  private SensorManager mSensorManager;
  private Sensor mAccelerometer;
  private ShakeDetector mShakeDetector;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mCrystalBall = new CrystalBall();
    // Assign the view from the layout file
    mTextViewAnswer = (TextView) findViewById(R.id.textViewAnswer);
    mCrystallBallImage = (ImageView) findViewById(R.id.imageViewBackground);

    mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
    mAccelerometer = mSensorManager
        .getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
    handleNewAnwer();
    mShakeDetector = new ShakeDetector(new OnShakeListener() {

      @Override
      public void onShake() {
        handleNewAnwer();
      }
    });

    // Toast.makeText(this, "Yay! This is freaking awesome!",
    // Toast.LENGTH_LONG).show();
  }

  @Override
  public void onResume() {
    super.onResume();
    mSensorManager.registerListener(mShakeDetector, mAccelerometer,
        SensorManager.SENSOR_DELAY_UI);

  }

  @Override
  public void onPause() {
    super.onPause();
    mSensorManager.unregisterListener(mShakeDetector);
  }

  private void animateCrystalBall() {
    mCrystallBallImage.setImageResource(R.drawable.ball_animation);
    AnimationDrawable ballAnimation = (AnimationDrawable) mCrystallBallImage
        .getDrawable();

    if (ballAnimation.isRunning()) {
      ballAnimation.stop();
    }
    ballAnimation.start();
  }

  private void animateAnswer() {
    AlphaAnimation fadeInAnimation = new AlphaAnimation(0, 1);
    fadeInAnimation.setDuration(1500);
    fadeInAnimation.setFillAfter(true);

    mTextViewAnswer.setAnimation(fadeInAnimation);

    /*
     * Thread newThread = new Thread();
     * 
     * while (!mTextViewAnswer.getAnimation().hasEnded()) { try {
     * newThread.sleep(500); } catch (InterruptedException e) { // TODO
     * Auto-generated catch block e.printStackTrace(); } } AlphaAnimation
     * fadeOutAnimation = new AlphaAnimation(1, 0);
     * fadeOutAnimation.setDuration(2000);
     * fadeOutAnimation.setFillAfter(false);
     * mTextViewAnswer.setAnimation(fadeInAnimation);
     */

  }

  private void playSound() {
    MediaPlayer player = MediaPlayer.create(this, R.raw.crystal_ball);
    player.start();
    player.setOnCompletionListener(new OnCompletionListener() {

      @Override
      public void onCompletion(MediaPlayer mp) {
        mp.release();
      }
    });
  }

  @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;
  }

  private void handleNewAnwer() {
    // update mTextViewAnswer with our dynamic answer
    mTextViewAnswer.setText(mCrystalBall.getRandomAnswer());
    animateCrystalBall();
    animateAnswer();
    playSound();
  }

}

Java Source Code List

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