Android 过渡动画

发布于 2024-11-30 21:08:01 字数 880 浏览 0 评论 0原文

我想要一个动画 gif，因为这在 Android 中是不可能的，所以我在过渡中使用单独的帧。

除了看起来过渡类只会显示两帧！我看到了其他动画方法，但它们似乎不适用于我正在做的事情，或者看起来像年长的婴儿 android 版本一样陈旧和复杂

<transition xmlns:android="http://schemas.android.com/apk/res/android">
  <item android:drawable="@drawable/activateanima"></item>
  <item android:drawable="@drawable/activateanimb"></item>
  <item android:drawable="@drawable/activateanimc"></item>
  <item android:drawable="@drawable/activateanimc"></item>
  <item android:drawable="@drawable/activateanimd"></item>
  <item android:drawable="@drawable/activateanime"></item>
  <item android:drawable="@drawable/activateanimf"></item>
  <item android:drawable="@drawable/activateanimg"></item>
</transition>

如何使图像动画化，使其表现得像动画 gif 一样。这里没有旋转或平移。使用安卓2.1+

原文

I want an animated gif, since this isn't possible in Android I am using individual frames in a transition.

except it seems like the transition class only will show two frames ever! I saw other animation methods but they didn't seem to apply to what I was doing, or seemed old and convulated like for an older infant android build

<transition xmlns:android="http://schemas.android.com/apk/res/android">
  <item android:drawable="@drawable/activateanima"></item>
  <item android:drawable="@drawable/activateanimb"></item>
  <item android:drawable="@drawable/activateanimc"></item>
  <item android:drawable="@drawable/activateanimc"></item>
  <item android:drawable="@drawable/activateanimd"></item>
  <item android:drawable="@drawable/activateanime"></item>
  <item android:drawable="@drawable/activateanimf"></item>
  <item android:drawable="@drawable/activateanimg"></item>
</transition>

How do I animate an image to behave like an animated gif, in place. no rotations or translations here. Using android 2.1+

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梦里寻她 2024-12-07 21:08:01

您想要帧动画吗？请参阅：此处。这将播放静止动画。

上述站点的示例：

保存在 res/anim/rocket.xml 的 XML 文件：

<?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/rocket_thrust1" android:duration="200" />
    <item android:drawable="@drawable/rocket_thrust2" android:duration="200" />
    <item android:drawable="@drawable/rocket_thrust3" android:duration="200" />
</animation-list>

要使用：

ImageView rocketImage = (ImageView) findViewById(R.id.rocket_image);
rocketImage.setBackgroundResource(R.drawable.rocket_thrust);

rocketAnimation = (AnimationDrawable) rocketImage.getBackground();
rocketAnimation.start();

Are you after a Frame animation? See: here. This will play a standing still animation.

Example from above site:

XML file saved at res/anim/rocket.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/rocket_thrust1" android:duration="200" />
    <item android:drawable="@drawable/rocket_thrust2" android:duration="200" />
    <item android:drawable="@drawable/rocket_thrust3" android:duration="200" />
</animation-list>

To use:

ImageView rocketImage = (ImageView) findViewById(R.id.rocket_image);
rocketImage.setBackgroundResource(R.drawable.rocket_thrust);

rocketAnimation = (AnimationDrawable) rocketImage.getBackground();
rocketAnimation.start();

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