android开机动画

摘要: android开机动画

activity_welcome.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/welcome_picture"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/index_logo"
android:orientation="vertical" >
</LinearLayout>

动画

welcome.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >

<!-- 淡入效果 -->
<!--
<alpha
android:fromAlpha="0.0"
android:duration="4000"
android:toAlpha="2.5"/>

-->
<!-- 淡出效果 -->
<!--
<alpha
android:fromAlpha="2.5"
android:duration="4000"
android:toAlpha="0.0"/>

-->
<!-- 旋转效果 -->
<!--
<rotate
android:duration="10000"
android:fromDegrees="0"
android:interpolator="@android :anim/accelerate_decelerate_interpolator"
android:pivotX="10%"
android:pivotY="100%"
android:toDegrees="-360" />

-->
<!-- 缩放效果 -->
<!--
<scale
android:duration="10000"
android:fromXScale="0.0"
android:fromYScale="0.0"
android:interpolator="@android :anim/decelerate_interpolator"
android:pivotX="50%"
android:pivotY="50%"
android:repeatCount="1"
android:repeatMode="reverse"
android:startOffset="0"
android:toXScale="2.5"
android:toYScale="2.5" />
-->
<!-- 移动效果 -->
<translate
android:duration="10000"
android:fromXDelta="320"
android:fromYDelta="480"
android:toXDelta="-320"
android:toYDelta="-480" />

</set>

WelcomeActivity.java

package com.joseph.tourism.activity;

import com.joseph.tourism.R;

import android.app.Activity;
import android.app.DownloadManager.Request;
import android.content.Intent;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.view.Window;
import android.view.WindowManager;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.LinearLayout;

/**
* 欢迎界面的activity
* @author hlw
*
*/
public class WelcomeActivity extends Activity{

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_welcome);
//加载动画
LinearLayout linearLayout = (LinearLayout) findViewById(R.id.welcome_picture);
Animation animation = AnimationUtils.loadAnimation(this, R.anim.welcome);
linearLayout.startAnimation(animation);
new CountDownTimer(5000, 1000) {

@Override
public void onTick(long millisUntilFinished) {

}

@Override
public void onFinish() {
Intent intent = new Intent(WelcomeActivity.this, MainActivity.class);
startActivity(intent);
WelcomeActivity.this.finish();
}
}.start();
}

}

自己刚开始学习android，以前看到手机qq或者微信都有一个开机动画，自己想亲手实践一下，终于实现啦，自己心里有点激动。。。。加油啊。。。。。