Android Open Source - AdoreLib Adore View

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License

The source code is released under:
MIT License
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Java Source Code

package com.ylinval.adore.adorelib;
/*from   w  ww  .  j a v a 2  s.  c om*/
import android.content.Context;
import android.os.Handler;
import android.util.AttributeSet;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.widget.Scroller;

/**
 * Created by jdourlens on 5/9/14.
 */
public class AdoreView extends SurfaceView implements SurfaceHolder.Callback {


    //used to keep track of time between updates and amount of time to sleep for
    long lastUpdate = 0;
    long sleepTime = 0;
    //Game engine
    AdoreFragment fragment;
    //objects which house info about the screen
    SurfaceHolder surfaceHolder;
    Context context;
    int mMaxScrollX = 400;
    int mMaxScrollY = 400;
    GestureDetector mGD = new GestureDetector(getContext(),
            new GestureDetector.SimpleOnGestureListener() {

                @Override
                public boolean onScroll(MotionEvent e1, MotionEvent e2,
                                        float distanceX, float distanceY) {
                    // beware, it can scroll to infinity
                    fragment.onScroll(e1, e2, distanceX, distanceY);
                    return true;
                }

                @Override
                public boolean onFling(MotionEvent e1, MotionEvent e2, float vX, float vY) {
                    mScroller.fling(getScrollX(), getScrollY(),
                            -(int) vX, -(int) vY, 0, (int) mMaxScrollX, 0, (int) mMaxScrollY);
                    invalidate(); // don't remember if it's needed
                    return true;
                }

                @Override
                public boolean onDown(MotionEvent e) {
                    if (!mScroller.isFinished()) { // is flinging
                        mScroller.forceFinished(true); // to stop flinging on touch
                    }
                    return true; // else won't work
                }

                @Override
                public boolean onSingleTapConfirmed(MotionEvent e) {
                    fragment.onTap(e, e.getX(), e.getY());
                    return (true);
                }
            }
    );
    //our Thread class which houses the game loop
    private AdoreLoop thread;
    private Scroller mScroller;

    //class constructors
    public AdoreView(Context contextS, AttributeSet attrs, int defStyle) {
        super(contextS, attrs, defStyle);
        context = contextS;
    }

    public AdoreView(Context contextS, AttributeSet attrs) {
        super(contextS, attrs);
        context = contextS;
    }

    //initialization code
    public void InitView(AdoreFragment fragment) {
        //initialize our screen holder
        SurfaceHolder holder = getHolder();
        holder.addCallback(this);

        this.fragment = fragment;

        //initialize our Thread class. A call will be made to start it later
        thread = new AdoreLoop(holder, context, new Handler(), fragment);
        setFocusable(true);

        mScroller = new Scroller(context);
    }

    @Override
    public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, int arg3) {
    }

    @Override
    public void surfaceDestroyed(SurfaceHolder arg0) {
        boolean retry = true;
        //code to end gameloop
        thread.state = AdoreLoop.PAUSED;
        while (retry) {
            try {
                //code to kill Thread
                thread.join();
                retry = false;
            } catch (InterruptedException e) {
            }
        }

    }

    @Override
    public void surfaceCreated(SurfaceHolder arg0) {
        if (thread.state == AdoreLoop.PAUSED) {
            //When game is opened again in the Android OS
            thread = new AdoreLoop(getHolder(), context, new Handler(), this.fragment);
            thread.start();
        } else {
            //creating the game Thread for the first time
            thread.start();
        }
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        return mGD.onTouchEvent(event);
    }


}
Java Source Code List
