给 viewpager 加上切换动画

ViewPagerTransforms

Inculde

• Gradle

compile 'com.simplepeng.library:transformslibrary:1.0.0'

• Maven

<dependency>
  <groupId>com.simplepeng.library</groupId>
  <artifactId>transformslibrary</artifactId>
  <version>1.0.0</version>
  <type>pom</type>
</dependency>

useage

TransformUtil.reverse(mViewPager,new StackZoomInTransform());

or

TransformUtil.forward(mViewPager,new StackZoomInTransform());

View

• CardSlideTransformer

• Flip3DTransform

• FlipHorizontalTransformer

• RotateDownTransformer

• ZoomInTransform

• other view library code

Custom

extends TransformAdapter to custom view animations,for example:

public class ZoomBothTransform extends TransformAdapter {

    @Override
    public void onRightScorlling(View view, float position) {
        view.setScaleX(1 - position / 2);
        view.setScaleY(1 - position / 2);
    }

    @Override
    public void onLeftScorlling(View view, float position) {
        view.setScaleX(1 + position / 2);
        view.setScaleY(1 + position / 2);
    }

}

TransformAdapter has 4 can override method

• onRightScorlling

/**
    * @param view     right view
    * @param position right to center 1->0
    *                 center to right 0->1
    */
   public void onRightScorlling(View view, float position) {

   }

• onLeftScorlling

/**
     * @param view     left view
     * @param position left to center  -1->0
     *                 center to left  0->-1
     */
    public void onLeftScorlling(View view, float position) {

    }

• onCenterIdle

public void onCenterIdle(View view) {

    }

• onTransform

/**
     *
     * @param view left and right view both callback
     * @param position [-1,1]
     */
    public void onTransform(View view, float position) {

    }