MainActivity
package com.example.asus.myapplication; import android.content.Intent; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.view.WindowManager; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.widget.ImageView; import java.util.ArrayList; import java.util.List; import java.util.Random; import butterknife.BindView; import butterknife.ButterKnife; import butterknife.OnClick; public class MainActivity extends AppCompatActivity { @BindView(R.id.begin_img) ImageView begin_img; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ButterKnife.bind(this); initView(); } private void initView() { //设置随机数 Random random=new Random();
//设置一个集合
List<Integer> list=
new ArrayList<>();
//设置5个
int nextInt = random.nextInt(
5);
//存放图片
list.add(R.drawable.meinv);list.add(R.drawable. meivn1); list.add(R.drawable. meinv2); list.add(R.drawable. meinv3); list.add(R.drawable. meivn4); //存放到里面 begin_img.setImageResource(list.get(nextInt)); //设置动画 Animation animation= AnimationUtils. loadAnimation( this,R.anim. enlarge); //执行动画 begin_img.startAnimation(animation); animation.setAnimationListener( new Animation.AnimationListener() { @Override public void onAnimationStart(Animation animation) { } @Override public void onAnimationEnd(Animation animation) { //动画执行完毕后跳转 startActivity( new Intent(MainActivity. this,FirstActivity. class)); //关闭本界面 finish(); } @Override public void onAnimationRepeat(Animation animation) { } }); } @OnClick(R.id. begin_img) public void onClick(View v) { switch (v.getId()) { default: break; case R.id. begin_img: //点击跳转 startActivity( new Intent(MainActivity. this,FirstActivity. class)); //关闭本界面 finish(); break; } }}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity"> <ImageView android:id="@+id/begin_img" android:layout_width="match_parent" android:layout_height="match_parent"/> </LinearLayout>
res下创建anim后创建enlarge.xml
enlarge中设置动画时间和效果