缓冲

public class Main extends Activity {private Animation anm;private int marginsTop;public List<ImageView> images;public LinearLayout ll;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);requestWindowFeature(Window.FEATURE_NO_TITLE);DisplayMetrics dm = this.getResources().getDisplayMetrics();int height = dm.heightPixels;marginsTop = height - 100;anm = AnimationUtils.loadAnimation(this, R.anim.myanim);ll = new LinearLayout(this);ll.setBackgroundResource(R.drawable.background);images = new ArrayList<ImageView>();initImage(ll);playAnimation();setContentView(ll);    }    private void playAnimation(){        new Thread(){    @Override    public void run()    {    try {Thread.sleep(1000);} catch (InterruptedException e) {e.printStackTrace();}int runcount=0;    while(true)    {    if(runcount<2)    {    for(int i=0;i<=6;i++)    {    handler.sendEmptyMessage(i);    try {    Thread.sleep(400);    } catch (InterruptedException e) {    e.printStackTrace();    }    }    runcount++;    }else    {    handler.sendEmptyMessage(99);    runcount=0;    }        }    }    }.start();    }        Handler handler=new Handler(){    @Override    public void handleMessage(Message msg) {      switch(msg.what)    {    case 0:    images.get(0).setImageDrawable(Main.this.getResources().getDrawable(R.drawable.l));    images.get(0).startAnimation(anm);        break;    case 1:    images.get(1).setImageDrawable(Main.this.getResources().getDrawable(R.drawable.o));    images.get(1).startAnimation(anm);    break;    case 2:    images.get(2).setImageDrawable(Main.this.getResources().getDrawable(R.drawable.a));    images.get(2).startAnimation(anm);    break;    case 3:    images.get(3).setImageDrawable(Main.this.getResources().getDrawable(R.drawable.d));    images.get(3).startAnimation(anm);    break;    case 4:    images.get(4).setImageDrawable(Main.this.getResources().getDrawable(R.drawable.i));    images.get(4).startAnimation(anm);    break;    case 5:    images.get(5).setImageDrawable(Main.this.getResources().getDrawable(R.drawable.n));    images.get(5).setAnimation(anm);    break;    case 6:    images.get(6).setImageDrawable(Main.this.getResources().getDrawable(R.drawable.g));    images.get(6).setAnimation(anm);    break;    case 99:    clearImage();    break;    }    }    };    private void clearImage()    {    for(ImageView image:images)    {    image.setImageDrawable(null);    image.destroyDrawingCache();    }    }    private void initImage(LinearLayout layout) {        layout.setGravity(Gravity.CENTER_HORIZONTAL);LinearLayout.LayoutParams param = new LinearLayout.LayoutParams(40, 40);param.setMargins(30, marginsTop, 0, 0);LinearLayout.LayoutParams param2 = new LinearLayout.LayoutParams(40, 40);param2.setMargins(-5, marginsTop, 0, 0);ImageView l = new ImageView(this);l.setLayoutParams(param);layout.addView(l);images.add(l);ImageView o = new ImageView(this);o.setLayoutParams(param2);layout.addView(o);images.add(o);ImageView a = new ImageView(this);a.setLayoutParams(param2);layout.addView(a);images.add(a);ImageView d = new ImageView(this);d.setLayoutParams(param2);layout.addView(d);images.add(d);ImageView i = new ImageView(this);i.setLayoutParams(param2);layout.addView(i);images.add(i);ImageView n = new ImageView(this);n.setLayoutParams(param2);layout.addView(n);images.add(n);ImageView g = new ImageView(this);g.setLayoutParams(param2);layout.addView(g);images.add(g);}}

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android"android:shareInterpolator="false"><scale android:interpolator="@android:anim/accelerate_interpolator"android:fromXScale="0.5" android:toXScale="1.2" android:fromYScale="0.5"android:toYScale="1.2" android:pivotX="50%" android:pivotY="50%"android:fillAfter="false" android:startOffset="-50"android:duration="100"/></set>