Android简单的开机动画
jopen
11年前
MainActivity如下:
package com.cn.testanimation; import android.os.Bundle; import android.app.Activity; import android.view.Menu; import android.view.animation.Animation; import android.view.animation.Animation.AnimationListener; import android.view.animation.AnimationUtils; import android.widget.ImageView; import android.widget.Toast; public class MainActivity extends Activity { private ImageView imageView; private Animation welcomeAnimation; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); imageView=(ImageView) findViewById(R.id.imageView); welcomeAnimation=AnimationUtils.loadAnimation(this, R.anim.welcome); imageView.startAnimation(welcomeAnimation); welcomeAnimation.setAnimationListener(new AnimationListener() { public void onAnimationStart(Animation animation) { } public void onAnimationRepeat(Animation animation) { } public void onAnimationEnd(Animation animation) { //Tip:动画结束时,利用Intent跳转到下个Activity Toast.makeText(getApplicationContext(), "准备跳转到下一个页面", 0).show(); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.activity_main, menu); return true; } }main.xml如下:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" > <ImageView android:id="@+id/imageView" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="@drawable/ic_launcher" /> </RelativeLayout>welcome.xml动画如下:
<?xml version="1.0" encoding="utf-8"?> <!-- Alpha=1.0表示不透明,Alpha=0.0表示透明 --> <set xmlns:android="http://schemas.android.com/apk/res/android" android:interpolator="@android:anim/decelerate_interpolator" > <alpha android:duration="4000" android:fromAlpha="0.0" android:toAlpha="1.0" /> </set>