小程序源码 学习相关 SurfaceView添加组件view不被组件覆盖.rar

package com.himi; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.util.AttributeSet; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.SurfaceHolder.Callback; public class MySurfaceView extends SurfaceView implements Callback, Runnable { public static String button_str = "Himi_SurfaceView添加组件"; private int move_x = 2, x = 80; private Thread th; private SurfaceHolder sfh; private Canvas canvas; private Paint p; public MySurfaceView(Context context, AttributeSet attrs) { super(context, attrs); p = new Paint(); p.setAntiAlias(true); sfh = this.getHolder(); sfh.addCallback(this); th = new Thread(this); this.setKeepScreenOn(true); setFocusable(true); } public void surfaceCreated(SurfaceHolder holder) { th.start(); } public void draw() { canvas = sfh.lockCanvas(); canvas.drawColor(Color.WHITE); canvas.drawText(button_str, x + move_x, 280, p); sfh.unlockCanvasAndPost(canvas); } private void logic() { x += move_x; if (x > 200 || x < 80) { move_x = -move_x; } } @Override public boolean onKeyDown(int key, KeyEvent event) { return super.onKeyDown(key, event); } @Override public boolean onTouchEvent(MotionEvent event) { return true; } public void run() { // TODO Auto-generated method stub while (true) { draw(); logic(); try { Thread.sleep(100); } catch (Exception ex) { } } } public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { // TODO Auto-generated method stub } public void surfaceDestroyed(SurfaceHolder holder) { // TODO Auto-generated method stub } }