Android应用源码之(SoundPool音效).zip项目安卓应用源码下载

package com.spp; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.media.AudioManager; import android.media.SoundPool; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.SurfaceHolder.Callback; /** * * @author Himi * */ public class MySurfaceView extends SurfaceView implements Callback, Runnable { private SurfaceHolder sfh; private Paint paint; private Thread th; private boolean flag; private Canvas canvas; private int screenW, screenH; //声明SoundPool private SoundPool sp; //记录长音乐文件id private int soundId_long; //记录断短音乐文件id private int soundId_short; /** * SurfaceView初始化函数 */ public MySurfaceView(Context context) { super(context); sfh = this.getHolder(); sfh.addCallback(this); paint = new Paint(); paint.setColor(Color.WHITE); paint.setAntiAlias(true); setFocusable(true); //实例SoundPool播放器 sp = new SoundPool(4, AudioManager.STREAM_MUSIC, 100); //加载音乐文件获取其数据ID soundId_long = sp.load(context, R.raw.himi_long, 1); //加载音乐文件获取其数据ID soundId_short = sp.load(context, R.raw.himi_short, 1); } /** * SurfaceView视图创建，响应此函数 */ @Override public void surfaceCreated(SurfaceHolder holder) { screenW = this.getWidth(); screenH = this.getHeight(); flag = true; //实例线程 th = new Thread(this); //启动线程 th.start(); } /** * 游戏绘图 */ public void myDraw() { try { canvas = sfh.lockCanvas(); if (canvas != null) { canvas.drawColor(Color.WHITE); paint.setColor(Color.RED); paint.setTextSize(15); canvas.drawText("点击导航键的上键：播放断音效", 50, 50, paint); canvas.drawText("点击导航键的下键：播放长音效", 50, 80, paint); } } catch (Exception e) { // TODO: handle exception } finally { if (canvas != null) sfh.unlockCanvasAndPost(canvas); } } /** * 触屏事件监听 */ @Override public boolean onTouchEvent(MotionEvent event) { return true; } /** * 按键事件监听 */ @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_DPAD_UP) sp.play(soundId_long, 1f, 1f, 0, 0, 1); else if (keyCode == KeyEvent.KEYCODE_DPAD_DOWN) sp.play(soundId_short, 2, 2, 0, 0, 1); return super.onKeyDown(keyCode, event); } /** * 游戏逻辑 */ private void logic() { } @Override public void run() { while (flag) { long start = System.currentTimeMillis(); myDraw(); logic(); long end = System.currentTimeMillis(); try { if (end - start < 50) { Thread.sleep(50 - (end - start)); } } catch (InterruptedException e) { e.printStackTrace(); } } } /** * SurfaceView视图状态发生改变，响应此函数 */ @Override public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { } /** * SurfaceView视图消亡时，响应此函数 */ @Override public void surfaceDestroyed(SurfaceHolder holder) { flag = false; } }