页面片段之间的 Android ViewPager 填充/边距

Android ViewPager padding/margin between page fragments(页面片段之间的 Android ViewPager 填充/边距)

问题描述

Android Market/Google Music 似乎能够在 ViewPager 中包含的不同片段之间存在某种间隙.

Android Market/Google Music seem to be able to have a gap of some sort between the different fragments that are contained in the ViewPager.

知道这是怎么做到的吗?向实际的片段视图添加边距/填充不起作用，因为视图仍然需要占据屏幕的整个宽度.间隙"仅在滑动 ViewPager 时可见.

Any idea how this is done? Adding margin/padding to the actual fragment view doesn't work, because the view still needs to occupy the entire width of the screen. The 'gap' is only visible when swiping the ViewPager.

推荐答案

在支持包中，r4 你可以使用这些方法:

In Support Package, r4 you can use these methods:

setPageMargin(int marginPixels)
setPageMarginDrawable(Drawable)
setPageMarginDrawable(int)

在 ViewPager 类中.

我不知道为什么这在 XML 中没有等价物:-(

I don't know why this doesn't have equivalent in XML :-(

如果你需要使用dip unit，你可以使用这个方法:

If you need use dip unit you can use this method:

public static int convertDip2Pixels(Context context, int dip) {
    return (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dip, context.getResources().getDisplayMetrics());
}

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