【移动应用开发技术】Android 中怎么实现补间动画

【移动应用开发技术】Android中怎么实现补间动画

public

class

MainActivity

extends

Activity

{

private

ImageView

iv;

@Override

protected

void

onCreate(Bundle

savedInstanceState)

{

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

iv

=

(ImageView)

findViewById(R.id.iv);

}

public

void

click1(View

v)

{

AlphaAnimation

ani

=

new

AlphaAnimation(0.0f,

1.0f);

ani.setDuration(2000);

ani.setRepeatCount(2);

ani.setRepeatMode(Animation.REVERSE);

iv.startAnimation(ani);

}

public

void

click11(View

v)

{

Animation

ani

=

AnimationUtils.loadAnimation(this,

R.anim.alpha_anim);

iv.startAnimation(ani);

}

public

void

click2(View

v)

{

ScaleAnimation

ani

=

new

ScaleAnimation(0.0f,

2.0f,

0.0f,

2.0f,

Animation.RELATIVE_TO_SELF,

0.5f,

Animation.RELATIVE_TO_SELF,

0.5f);

ani.setDuration(2000);

ani.setRepeatCount(2);

ani.setRepeatMode(Animation.REVERSE);

iv.startAnimation(ani);

}

public

void

click22(View

v)

{

Animation

ani

=

AnimationUtils.loadAnimation(this,

R.anim.rotate_ani);

iv.startAnimation(ani);

}

public

void

click3(View

v)

{

RotateAnimation

ani

=

new

RotateAnimation(0,

360,

Animation.RELATIVE_TO_SELF,

0.5f,

Animation.RELATIVE_TO_SELF,

0.5f);

ani.setDuration(2000);

ani.setRepeatCount(2);

ani.setRepeatMode(Animation.REVERSE);

iv.startAnimation(ani);

}

public

void

click33(View

v)

{

Animation

ani

=

AnimationUtils.loadAnimation(this,

R.anim.scale_ani);

iv.startAnimation(ani);

}

public

void

click4(View

v)

{

TranslateAnimation

ani

=

new

TranslateAnimation(

Animation.RELATIVE_TO_PARENT,

0.0f,

Animation.RELATIVE_TO_PARENT,

1.0f,

Animation.RELATIVE_TO_PARENT,

0.0f,

Animation.RELATIVE_TO_PARENT,

1.0f);

ani.setDuration(2000);

ani.setRepeatCount(2);

ani.setRepeatMode(Animation.REVERSE);

iv.startAnimation(ani);

}

public

void

click44(View

v)

{

Animation

ani

=

AnimationUtils.loadAnimation(this,

R.anim.translate);

iv.startAnimation(ani);

}

}/upload/information/20210522/379/536912.jpg/upload/information/20210522/379/536912.jpg<?xml

version="1.0"

encoding="utf-8"?>

<alpha

xmlns:android="/apk/res/android"

android:fromAlpha="1.0"

android:toAlpha="0.5"

android:fillAfter="true"

android:duration="2000"

>

</alpha>/upload/information/20210522/379/536912.jpg/upload/information/20210522/379/536912.jpg<?xml

version="1.0"

encoding="utf-8"?>

<rotate

xmlns:android="/apk/res/android"

android:fromDegrees="0"

android:toDegrees="360"

android:pivotX="50%"

android:pivotY="50%"

android:duration="2000"

>

</rotate>/upload/information/20210522/379/536912.jpg/upload/information/20210522/379/536912.jpg<?xml

version="1.0"

encoding="utf-8"?>

<scale

xmlns:android="/apk/res/android"

android:fromXScale="0.2"

android:toXScale="2.0"

android:fromYScale="0.2"

android:toYScale="2.0"

android:fillAfter="true"

android:duration="2000"

>

</scale>/upload/information/20210522/379/536912.jpg/upload/information/20210522/379/536912.jpg<?xml

version="1.0"

encoding="utf-8"?>

<translate

xmlns:android="/apk/res/android"

android:fromXDelta="20%p"

android:toXDelta="50%p"

android:fromYDelta="0"

android:toYDelta="50%p"

android:duration="2000