仿别踩白块demo

别踩白块新鲜出炉，使用的还是SurfaceView。

package com.example.administrator.whitegrid;import android.content.Context;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.util.AttributeSet;import android.util.TypedValue;import android.view.MotionEvent;import android.view.SurfaceHolder;import android.view.SurfaceView;import java.util.ArrayList;import java.util.List;import java.util.Random;/** * Created by Administrator on 2017/6/8. */public class GridGameView extends SurfaceView implements SurfaceHolder.Callback, Runnable {    private boolean isDrawing;    private Paint mPaint;    /**     * 被点击     */    private boolean isTouch;    /**     * surface持有者     */    private SurfaceHolder mHolder;    /**     * 当前画布     */    private Canvas mCanvas;    /**     * view的宽度     */    private int mWidth;    /**     * View的高度     */    private int mHeight;    /**     * 每格宽度     */    private int gridWidth;    /**     * 每格高度     */    private int gridHeight;    /**     * 每行格子个数     */    private int gridNumX = 5;    /**     * 每列格子个数     */    private int gridNumY = 5;    /**     * 偏移量     */    private int mOffSet;    /**     * 格子集合     */    private List<Integer> grids;    /**     * 生成随机位置的格子     */    private Random random;    /**     * 点击位置横坐标     */    private float pointX;    /**     * 点击位置纵坐标     */    private float pointY;    /**     * 被点击方块的下标     */    private int touchPosition;    /**     * 默认宽度设置为300dp     */    private static final int DEFAULT_WIDTH = 300;    /**     * 默认高度设置为400dp     */    private static final int DEFAULT_HEIGHT = 400;    public GridGameView(Context context) {        this(context, null);    }    public GridGameView(Context context, AttributeSet attrs) {        this(context, attrs, 0);    }    public GridGameView(Context context, AttributeSet attrs, int defStyleAttr) {        super(context, attrs, defStyleAttr);        init();    }    private void init() {        mHolder = getHolder();        mHolder.addCallback(this);        // 设置可以获取焦点        setFocusable(true);        // 进入触摸输入模式后,该控件是否还有获得焦点的能力        setFocusableInTouchMode(true);        // 是否保持屏幕常亮        setKeepScreenOn(true);        random = new Random();        grids = new ArrayList<>();        //初始化一组方块，屏幕外的上方下方个加一个方块        for (int i = 0; i < gridNumY + 2; i++) {            grids.add(random.nextInt(gridNumX));        }        mPaint = new Paint();        mPaint.setAntiAlias(true);        mPaint.setStyle(Paint.Style.FILL);    }    /**     * 设置一些变量的尺寸     */    @Override    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {        int widthMode = MeasureSpec.getMode(widthMeasureSpec);        int widthSize = MeasureSpec.getSize(widthMeasureSpec);        int heightMode = MeasureSpec.getMode(heightMeasureSpec);        int heightSize = MeasureSpec.getSize(heightMeasureSpec);        if (widthMode == MeasureSpec.AT_MOST) {            mWidth = dp2px(DEFAULT_WIDTH);        } else {            mWidth = Math.max(widthSize, dp2px(DEFAULT_WIDTH));        }        if (heightMode == MeasureSpec.AT_MOST) {            mHeight = dp2px(DEFAULT_HEIGHT);        } else {            mHeight = Math.max(heightSize, dp2px(DEFAULT_HEIGHT));        }        gridWidth = mWidth / gridNumX;        gridHeight = mHeight / gridNumY;        setMeasuredDimension(mWidth, mHeight);    }    @Override    public void surfaceCreated(SurfaceHolder holder) {        // 开始绘画        isDrawing = true;        // 启动绘画线程        new Thread(this).start();    }    @Override    public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {    }    @Override    public void surfaceDestroyed(SurfaceHolder holder) {        isDrawing = false;    }    @Override    public void run() {        while (isDrawing) {            try {                mOffSet++;                Thread.sleep(10);                draw();                if (mOffSet == gridHeight) {                    if (grids.get(0) == gridNumX) {                        //移出屏幕外的黑块到达最大偏移量，游戏继续                        mOffSet = 0;                        grids.remove(0);                        grids.add(random.nextInt(gridNumX));                    } else {                        //屏幕内的黑块到达最大偏移量，游戏结束                        isDrawing = false;                    }                }            } catch (InterruptedException e) {                e.printStackTrace();            }        }    }    /**     * 绘图     */    private void draw() {        mCanvas = mHolder.lockCanvas();        if (mCanvas != null) {            // 设置画布背景为白色            mCanvas.drawColor(0xffffffff);            //绘制竖线            drawLineY();            //绘制横线            drawLineX();            //点击事件            eventTouchDown();            //画黑白块            drawGrid();            // 保证每次都将绘制的内容提交到服务器            mHolder.unlockCanvasAndPost(mCanvas);        }    }    /**     * 绘制纵向线     */    private void drawLineY() {        mCanvas.save();        for (int i = 0; i < gridNumX + 1; i++) {            mCanvas.drawLine(gridWidth * i, 0, gridWidth * i, mHeight, mPaint);        }    }    /**     * 绘制横向线     */    private void drawLineX() {        mCanvas.save();        for (int i = 0; i < gridNumY + 1; i++) {            mCanvas.drawLine(0, gridHeight * i + mOffSet, mWidth, gridHeight * i + mOffSet, mPaint);        }    }    /**     * 绘制格子     */    private void drawGrid() {        mCanvas.save();        mPaint.setColor(Color.BLACK);        for (int i = 0; i < grids.size(); i++) {            mCanvas.drawRect(grids.get(i) * gridWidth, mHeight - gridHeight * (i + 1) + mOffSet, grids.get(i) * gridWidth + gridWidth,                    mHeight - gridHeight * i + mOffSet, mPaint);        }    }    /**     * 处理点击事件     */    private void eventTouchDown() {        if (isTouch) {            touchPosition = (int) (mHeight + mOffSet - pointY) / gridHeight;            if (pointX - grids.get(touchPosition) * gridWidth > 0 && pointX - grids.get(touchPosition) * gridWidth < gridWidth) {                //被点击的方块移出屏幕外                grids.set(touchPosition, gridNumX);            } else {                //点击白块游戏结束                isDrawing = false;            }            isTouch = false;        }    }    @Override    public boolean onTouchEvent(MotionEvent event) {        switch (event.getAction()) {            case MotionEvent.ACTION_DOWN:                pointX = event.getX();                pointY = event.getY();                isTouch = true;                break;        }        return true;    }    /**     * dp转化为px工具     */    private int dp2px(int dp) {        return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,                getContext().getResources().getDisplayMetrics());    }}

Activity中，和布局文件直接引用自定义的view，跟上一篇小鸟过柱子的游戏一样，就不贴代码了。

view中的属性都可以通过get、set方法在activity中设置游戏的开始，暂停，方块移动速度，横向纵向方块的数量等。

另外可以加回调接口，监测游戏结束