android动画编

四月份来了，我也要加紧学习了，下面的动画类型
android动画编
看看实现的代码package com.smart;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.animation.Animation;import android.view.animation.AnimationUtils;import android.view.animation.TranslateAnimation;import android.widget.AdapterView;import android.widget.ArrayAdapter;import android.widget.Spinner;public class Main extends Activity implements AdapterView.OnItemSelectedListener{private static final String[] INTERPOLATORS={"加快", "减速", "加快/减速", "预料","过冲", "预计/过冲", "弹跳" };//类型    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        Spinner s=(Spinner)findViewById(R.id.spinner);        ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item,INTERPOLATORS);        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);        s.setAdapter(adapter);//得到控件        s.setOnItemSelectedListener(this);                    }    @Overridepublic void onItemSelected(AdapterView<?> parent, View v, int position,long id) {final View target=(View)findViewById(R.id.target);final View targetParent=(View)target.getParent();//得到动画Animation animation= new TranslateAnimation(0.0f, targetParent.getWidth()- target.getWidth()- targetParent.getPaddingLeft()- targetParent.getPaddingRight(), 0.0f, 0.0f);animation.setDuration(1000);animation.setStartOffset(300);animation.setRepeatMode(Animation.RESTART);animation.setRepeatCount(Animation.INFINITE);//选择动来类型switch (position) {case 0:animation.setInterpolator(AnimationUtils.loadInterpolator(this, android.R.anim.accelerate_interpolator));break;case 1:animation.setInterpolator(AnimationUtils.loadInterpolator(this, android.R.anim.decelerate_interpolator));break;case 2:animation.setInterpolator(AnimationUtils.loadInterpolator(this, android.R.anim.accelerate_decelerate_interpolator));break;case 3:animation.setInterpolator(AnimationUtils.loadInterpolator(this, android.R.anim.anticipate_interpolator));break;case 4:animation.setInterpolator(AnimationUtils.loadInterpolator(this, android.R.anim.overshoot_interpolator));break;case 5:animation.setInterpolator(AnimationUtils.loadInterpolator(this, android.R.anim.anticipate_overshoot_interpolator));break;case 6:animation.setInterpolator(AnimationUtils.loadInterpolator(this, android.R.anim.bounce_interpolator));break;}target.startAnimation(animation);}@Overridepublic void onNothingSelected(AdapterView<?> arg0) {}}XML代码<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:padding="10dip"    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:clipToPadding="false"    ><TextView  android:id="@+id/target"    android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:textSize="16sp"    android:text="朋友，看看我，跑得多快！"    />        <TextView      android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:textSize="15dip"    android:layout_marginBottom="5dip"    android:text="请选择动画类型"    />        <Spinner  android:id="@+id/spinner"    android:layout_width="fill_parent"     android:layout_height="wrap_content"     /></LinearLayout>
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