android实现水波纹效果的例子，android水波纹例子,public class

android实现水波纹效果的例子，android水波纹例子,public class

public class AnimActivity extends Activity {    @Override    public void onCreate(Bundle savedInstanceState){        super.onCreate(savedInstanceState);        setContentView(new PlasmaView(this));    }}class PlasmaView extends View implements View.OnTouchListener{      private Bitmap mBitmap;    long time;    long fps;    public PlasmaView(Context context) {        super(context);                Bitmap bmp = BitmapFactory.decodeResource(this.getResources(),R.drawable.mm);        mBitmap = Bitmap.createBitmap(bmp.getWidth(), bmp.getHeight(), Bitmap.Config.RGB_565);        AnimRender.setBitmap(bmp);        this.setOnTouchListener(this);    }    @Override    protected void onDraw(Canvas canvas) {        long ct = System.currentTimeMillis();        if(ct - time > 1000){            Log.v("Fps:" + String.valueOf(fps));            time = ct;            fps = 0;        }        //fps++;        fps += 20;        AnimRender.render(mBitmap);             canvas.drawBitmap(mBitmap, 0, 0, null);        postInvalidate();    }    @Override    public boolean onTouch(View v, MotionEvent event) {        // TODO Auto-generated method stub        AnimRender.drop((int)event.getX(), (int)event.getY(), 1200);        return false;    }}class AnimRender{    public static native void setBitmap(Bitmap src);    public static native void render(Bitmap dst);    public static native void drop(int x, int y, int height);    static {        System.loadLibrary("plasma");    }}//该片段来自于http://byrx.net