Java ViewPager.PageTransformer方法代碼示例

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
@Override
public void setPageTransformer(final boolean reverseDrawingOrder, final ViewPager.PageTransformer transformer) {
    super.setPageTransformer(
            false, mInfiniteCycleManager == null ?
                    transformer : mInfiniteCycleManager.getInfinityCyclePageTransformer()
    );
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
/**
 * 設置切換動畫
 * 如果不設置動畫，設置為null
 *
 * @param transformer
 */
public AdPlayBanner setPageTransfromer(ViewPager.PageTransformer transformer) {
    if (mScrollerPager != null) {
        mScrollerPager.setPageTransformer(true, transformer);
    } else {
        mScrollerPager.mTransformer = transformer;
    }
    return this;
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
public AlphaPageTransformer(ViewPager.PageTransformer pageTransformer) {
    this(DEFAULT_MIN_ALPHA, pageTransformer);
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
/**
 * 設置自定義頁麵切換動畫
 *
 * @param transformer
 */
public void setPageTransformer(ViewPager.PageTransformer transformer) {
    if (transformer != null && mViewPager != null) {
        mViewPager.setPageTransformer(true, transformer);
    }
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
public ScaleInTransformer(float minScale, ViewPager.PageTransformer pageTransformer){
    mMinScale = minScale;
    mPageTransformer = pageTransformer;
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
public TransformerItem(Class<? extends ViewPager.PageTransformer> clazz) {
    this.clazz = clazz;
    title = clazz.getSimpleName();
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
public Class<? extends ViewPager.PageTransformer> getClazz() {
    return clazz;
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
@Override
public void setPageTransformer(boolean reverseDrawingOrder, ViewPager.PageTransformer transformer) {
    /**
     繼承ViewPager，重寫setPageTransformer方法，移除版本限製，通過反射設置參數和方法

     getDeclaredMethod*()獲取的是【類自身】聲明的所有方法，包含public、protected和private方法。
     getMethod*()獲取的是類的所有共有方法，這就包括自身的所有【public方法】，和從基類繼承的、從接口實現的所有【public方法】。

     getDeclaredField獲取的是【類自身】聲明的所有字段，包含public、protected和private字段。
     getField獲取的是類的所有共有字段，這就包括自身的所有【public字段】，和從基類繼承的、從接口實現的所有【public字段】。
     */
    Class viewpagerClass = ViewPager.class;

    try {
        boolean hasTransformer = transformer != null;

        Field pageTransformerField = viewpagerClass.getDeclaredField("mPageTransformer");
        pageTransformerField.setAccessible(true);
        PageTransformer mPageTransformer = (PageTransformer) pageTransformerField.get(this);

        boolean needsPopulate = hasTransformer != (mPageTransformer != null);
        pageTransformerField.set(this, transformer);

        Method setChildrenDrawingOrderEnabledCompatMethod = viewpagerClass.getDeclaredMethod("setChildrenDrawingOrderEnabledCompat", boolean.class);
        setChildrenDrawingOrderEnabledCompatMethod.setAccessible(true);
        setChildrenDrawingOrderEnabledCompatMethod.invoke(this, hasTransformer);

        Field drawingOrderField = viewpagerClass.getDeclaredField("mDrawingOrder");
        drawingOrderField.setAccessible(true);
        if (hasTransformer) {
            drawingOrderField.setInt(this, reverseDrawingOrder ? 2 : 1);
        } else {
            drawingOrderField.setInt(this, 0);
        }

        if (needsPopulate) {
            Method populateMethod = viewpagerClass.getDeclaredMethod("populate");
            populateMethod.setAccessible(true);
            populateMethod.invoke(this);
        }
    } catch (Exception e) {
    }
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
public BannerViewPager setPageTransformer(ViewPager.PageTransformer pageTransformer) {
    mPageTransformer = pageTransformer;
    mViewPager.setPageTransformer(true, mPageTransformer);
    return this;
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
public void setPageTransformer(boolean reverseDrawingOrder, @Nullable ViewPager.PageTransformer transformer) {
    vpCarousel.setPageTransformer(reverseDrawingOrder, transformer);
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
public ImageLooper setAnimation(ViewPager.PageTransformer pageTransformer) {
    if (viewPager != null)
        viewPager.setPageTransformer(true, pageTransformer);
    return this;

}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
public void setPageTransformer(boolean reverseDrawingOrder, ViewPager.PageTransformer transformer) {
    viewPager.setPageTransformer(reverseDrawingOrder, transformer);
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
/**
 * 設置頁麵切換動畫
 *
 * @param transformer
 * @return
 */
public ADViewPager setPageTransformer(ViewPager.PageTransformer transformer) {
    this.pageTransformer = transformer;
    return this;
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
/**
 * 完成創建
 * @return
 */
public ViewPager.PageTransformer create() {
    return new CardPageTransformer(this);
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
/**
 * 設置頁麵切換動畫
 *
 * @param transformer
 * @return
 */
public OvSlideViewpager setPageTransformer(ViewPager.PageTransformer transformer) {
    this.pageTransformer = transformer;
    return this;
}