Android Open Source - 2048GameAndroid Game Activity

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Back to project page 2048GameAndroid.

License

The source code is released under:

Apache License

Java Source Code

package zhengxiao.myapplication;
//from w  w  w .  j a  va2s .c o  m
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.view.GestureDetectorCompat;
import android.support.v7.app.ActionBarActivity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.widget.GridLayout;
import android.widget.TextView;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.List;

import butterknife.ButterKnife;
import butterknife.InjectView;
import zhengxiao.myapplication.game.Board;
import zhengxiao.myapplication.game.Direction;
import zhengxiao.myapplication.game.Game;
import zhengxiao.myapplication.utils.OnGestureListenerAdapter;


public class GameActivity extends ActionBarActivity implements Game.Callback {

    private Game game;
    private Toast toast;

    public static void actionShow(Activity activity) {
        activity.startActivity(new Intent(activity, GameActivity.class));
    }

    @InjectView(R.id.board)
    GridLayout board;


    List<TextView> blocks = new ArrayList<>();

    GestureDetectorCompat detector;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_game);
        ButterKnife.inject(this);

        detector = new GestureDetectorCompat(this, new OnGestureListenerAdapter() {

            @Override
            public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
                return onFlingDirection(velocityX, velocityY);
            }
        });

        board.setOnTouchListener(new View.OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                return detector.onTouchEvent(event);
            }
        });


        // ????
        LayoutInflater inflater = LayoutInflater.from(this);
        for (int i = 0; i < Game.ROW_COUNT * Game.ROW_COUNT; i++) {
            TextView block = (TextView) inflater.inflate(R.layout.block, board, false);
            block.setText("");
            board.addView(block);
            blocks.add(block);
        }

        startGame();
    }

    /**
     * ????????
     *
     * @param velocityX
     * @param velocityY
     * @return
     */
    private boolean onFlingDirection(float velocityX, float velocityY) {
        Direction direction;
        if (velocityX > velocityY) {
            if (velocityX > 0) {
                direction = Direction.RIGHT;
            } else {
                direction = Direction.UP;
            }
        } else {
            if (velocityY > 0) {
                direction = Direction.DOWN;
            } else {
                direction = Direction.LEFT;
            }
        }
        toast("Move in "+ direction.name());
        game.moveInDirection(direction);
        return true;
    }

    private void toast(String message) {
        if(toast != null){
            toast.cancel();
        }
        toast = Toast.makeText(this, message, Toast.LENGTH_SHORT);
        toast.show();
    }

    @Override
    public boolean onKeyUp(int keyCode, @NonNull KeyEvent event) {
        switch (event.getKeyCode()) {
            case KeyEvent.KEYCODE_DPAD_LEFT:
                game.moveInDirection(Direction.LEFT);
                break;
            case KeyEvent.KEYCODE_DPAD_RIGHT:
                game.moveInDirection(Direction.LEFT);
                break;
            case KeyEvent.KEYCODE_DPAD_UP:
                game.moveInDirection(Direction.LEFT);
                break;
            case KeyEvent.KEYCODE_DPAD_DOWN:
                game.moveInDirection(Direction.LEFT);
                break;
        }
        return super.onKeyUp(keyCode, event);
    }

    /**
     * ???????
     */
    private void startGame() {
        game = new Game(this);
    }

    // region Menu

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_game, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    // endregion

    Board lastBoard;

    @Override
    public void render(@NonNull Board board) {
        // TODO compare with lastBoard and animate
        List<Integer> values = board.getValues();
        for (int i = 0; i < values.size(); i++) {
            blocks.get(i).setText("" + values.get(i));
        }

        lastBoard = board;
    }

    @Override
    public void gameOver(int finalScore) {
        finish();
    }

}

Java Source Code List

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