使用android动画列表 [英] using android animation-list

问题描述

让动画加载微调器在启动页面上工作有点麻烦。当我尝试运行以下代码时，什么都没有显示。有什么建议么？在Google上似乎有很多人对此有疑问，但是我不明白为什么我的工作失败。谢谢！

I'm having a little trouble getting an animated loading spinner to work for a splash page. Nothing shows up when I try to run the following code. Any suggestions? It seems that quite a few people have issues with this on google but I do not understand why mine is failing to work. Thanks!

animationloader.xml

animationloader.xml

<?xml version="1.0" encoding="utf-8"?>
<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
android:oneshot="false">
<item android:drawable="@drawable/loadingspinner1" android:duration="200" />
<item android:drawable="@drawable/loadingspinner2" android:duration="200" />
<item android:drawable="@drawable/loadingspinner3" android:duration="200" />
<item android:drawable="@drawable/loadingspinner4" android:duration="200" />
<item android:drawable="@drawable/loadingspinner5" android:duration="200" />
<item android:drawable="@drawable/loadingspinner6" android:duration="200" />
<item android:drawable="@drawable/loadingspinner7" android:duration="200" />
<item android:drawable="@drawable/loadingspinner8" android:duration="200" />
<item android:drawable="@drawable/loadingspinner9" android:duration="200" />
<item android:drawable="@drawable/loadingspinner01" android:duration="200" />
<item android:drawable="@drawable/loadingspinner11" android:duration="200" />
<item android:drawable="@drawable/loadingspinner12" android:duration="200" />
</animation-list>

SplashScreen.java

SplashScreen.java

package com.secure.inmatecanteen;

import android.app.Activity;
import android.graphics.drawable.AnimationDrawable;
import android.os.Bundle;
import android.widget.ImageView;

public class SplashScreen extends Activity {

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.splashscreen);

    //Beginning the loading animation as we attempt to verify registration with SIP
    ImageView ivLoader = (ImageView) findViewById(R.id.IVloadinganimation);
    ivLoader.setBackgroundResource(R.anim.animationloader);


    AnimationDrawable frameAnimation = (AnimationDrawable) ivLoader.getBackground();
    frameAnimation.start();
}
}

splashscreen.xml

splashscreen.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="horizontal"
android:background="@android:color/white" >

 <ImageView
android:id="@+id/iclogo"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:src="@drawable/iclogo"
android:adjustViewBounds="true"
/>

 <ImageView
android:id="@+id/IVloadinganimation"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:adjustViewBounds="true"
/>

    </LinearLayout>

推荐答案

解决了我自己的问题，您无法在oncreate。它必须位于onclick侦听器中或可运行的内部。

Solved my own problem, You cannot start animations in the oncreate. It has to be in an onclick listener or inside a runnable.

这篇关于使用android动画列表的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！