Android Open Source - score Score Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.josenaves.score;
//w w w .jav a2 s  .  c  om
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.os.Vibrator;
import android.util.Log;
import android.view.GestureDetector;
import android.view.GestureDetector.SimpleOnGestureListener;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.TextView;
import android.widget.Toast;

/**
 * Score App
 * Simple score for your matches.
 * 
 * March, 2014
 * 
 * @author @josenaves
 */
public class ScoreActivity extends Activity implements OnClickListener, OnLongClickListener {

    private TextView scorePlayer1;
    private TextView scorePlayer2;
    
    private int score1;
    private int score2; 
    
    private GestureDetector gestureDetector;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // FULL SCREEN For the win !!!
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); 

        // No need to use wakelock via systemsServices (nor permission to do this)
        // http://stackoverflow.com/questions/2039555/how-to-get-an-android-wakelock-to-work
        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

        setContentView(R.layout.activity_score);
        
        scorePlayer1 = (TextView) findViewById(R.id.textScore1);
        scorePlayer2 = (TextView) findViewById(R.id.textScore2);

        score1 = 0;
        score2 = 0;
        
        showScores(score1, score2);
        
        scorePlayer1.setOnClickListener(this);
        scorePlayer2.setOnClickListener(this);
        
        scorePlayer1.setOnLongClickListener(this);
        scorePlayer2.setOnLongClickListener(this);
        
        gestureDetector = new GestureDetector(this, new SwipeGestureDetector());
    }
    
    @Override
    protected void onResume() {
      super.onResume();
      showScores(score1, score2);
    }
    
    private void showScores(int score1, int score2) {
        scorePlayer1.setText(String.valueOf(score1));
        scorePlayer2.setText(String.valueOf(score2));
    }

    @Override
    public void onClick(View view) {
        if (view.getId() == R.id.textScore1) {
          if (score1 == 99) {
            Toast.makeText(this, getString(R.string.score_too_big, String.valueOf(score1)), Toast.LENGTH_SHORT).show();  
          }
          else {
            scorePlayer1.setText(String.valueOf(++score1));
          }
        }
        else if (view.getId() == R.id.textScore2) {
          if (score2 == 99) {
            Toast.makeText(this, getString(R.string.score_too_big, String.valueOf(score2)), Toast.LENGTH_SHORT).show();
          }
          else {
            scorePlayer2.setText(String.valueOf(++score2));  
          }
        }
    }
    
  @Override
  public boolean onLongClick(View view) {
        if (view.getId() == R.id.textScore1) {
          if (score1 != 0) {
            vibrate();
            Toast.makeText(this, getString(R.string.remove_point, "1"), Toast.LENGTH_SHORT).show();
            score1--;
            showScores(score1, score2);
          }
        }
        else if (view.getId() == R.id.textScore2) {
          if (score2 != 0) {
            vibrate();
            Toast.makeText(this, getString(R.string.remove_point, "2"), Toast.LENGTH_SHORT).show();
            score2--;
            showScores(score1, score2);
          }
        }
    return true;
  }       
    
    private void vibrate() {
      Vibrator vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
      vibrator.vibrate(120);
    }
    
    @Override
    public void onSaveInstanceState(Bundle savedInstanceState) {
      super.onSaveInstanceState(savedInstanceState);
    // Save UI state changes to the savedInstanceState.
    // This bundle will be passed to onCreate if the process is
    // killed and restarted.
      savedInstanceState.putInt("score1", score1);
      savedInstanceState.putInt("score2", score2);
    }    

    @Override
    public void onRestoreInstanceState(Bundle savedInstanceState) {
      super.onRestoreInstanceState(savedInstanceState);
      
      score1 = savedInstanceState.getInt("score1");
      score2 = savedInstanceState.getInt("score2");
    }
    
    
    @Override
    public boolean onTouchEvent(MotionEvent event) {
      if (gestureDetector.onTouchEvent(event)) {
        return true;
      }
      return super.onTouchEvent(event);
    }

    private void onLeftSwipe() {
    }

    private void onRightSwipe() {
      Toast.makeText(this, getString(R.string.game_finished), Toast.LENGTH_SHORT).show();
      
      score1 = 0;
      score2 = 0;
      showScores(score1, score2);
    }

    // Private class for gestures
    private class SwipeGestureDetector extends SimpleOnGestureListener {
      // Swipe properties, you can change it to make the swipe longer or shorter and speed
      private static final int SWIPE_MIN_DISTANCE = 120;
      private static final int SWIPE_MAX_OFF_PATH = 200;
      private static final int SWIPE_THRESHOLD_VELOCITY = 200;

      @Override
      public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
        try {
          float diffAbs = Math.abs(e1.getY() - e2.getY());
          float diff = e1.getX() - e2.getX();

          if (diffAbs > SWIPE_MAX_OFF_PATH) return false;
          
          // Left swipe
          if (diff > SWIPE_MIN_DISTANCE && Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
             ScoreActivity.this.onLeftSwipe();
             
          } 
          else if (-diff > SWIPE_MIN_DISTANCE && Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
            // Right swipe
            ScoreActivity.this.onRightSwipe();
          }
        } 
        catch (Exception e) {
          Log.e("ScoreActivity", "Error on gestures");
        }
        return false;
      }
    }
}

Java Source Code List

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