在滚动视图线性布局不占据全高 [英] Linear layout in a scrollview does not occupies full height

问题描述

我有一个线性布局说V1，L1里面我有一个滚动视图V2，里面滚动型我还有一个线性布局V3，V3现在有一个gridtview V4。该PBM是，如果我的ListView有说6个项目中，只有2可见，休息我有，当我看到大量的空置空间，甚至滚动。我设置背景颜色（背景颜色V2：洋红色，对于V3绿），观察到这种：
V2覆盖整个V1
V3涵盖仅一小部分说V2的30％，
V4涵盖完整的V3。
所以我做了几乎所有我可以遵循，使V3覆盖所有V2的，但不能success.I对这个浪费了很多时间，PLZ让我知道这有什么解决办法。

I have a linear layout say V1, inside L1 i have a scrollview V2, Inside scrollview i have another linear layout V3, Now V3 has a gridtview V4. The pbm is that if my listview has say 6 items, only 2 are visible, for rest i have to scroll even when i see plenty of space left vacant. I set the background colors(Background color for V2:magenta, for V3 Green) and observed this: V2 covers the entire V1 V3 covers only a fraction say 30% of V2, V4 covers complete V3. So I have done nearly everything i could follow to make V3 cover All of V2, but not success.I have wasted many hours on this, plz let me know if this has any solution.

//滚动型PARAMS V2
LinearLayout.LayoutParams svParams =新LinearLayout.LayoutParams（ViewGroup.LayoutParams.FILL_PARENT，
     ViewGroup.LayoutParams.WRAP_CONTENT，1.0F）;

//Scrollview Params V2 LinearLayout.LayoutParams svParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT,1.0F);

因此​​，所有这些事情我想不工作：

So all these things I tried do not work:

V3.getLayoutParams().height = V2.getHeight();
//((LinearLayout)gv.getParent()).getLayoutParams().height = LinearLayout.LayoutParams.FILL_PARENT;

//((LinearLayout.LayoutParams)((LinearLayout)gv.getParent()).getLayoutParams()).weight = 1.0F;
//((LinearLayout) ((LinearLayout)gv.getParent()).getParent()).getLayoutParams().height = LinearLayout.LayoutParams.FILL_PARENT;

但是，如果我给一些硬codeD值V4，它确实增加了它的所有父视图的高度，但我不想这样做，这是不可行的在我的应用

BUT if I give some hardcoded value for V4, it does increases the height of all its parent views,but I do not want to do that and that is not feasible in my application

推荐答案

只需使用 setFillViewport（真）在滚动型。这样，如果内容的滚动型比的滚动型，这将扩大到可见部分小填补该区域。

Just use setFillViewport(true) on the ScrollView. This way, if the content of the ScrollView is smaller than the visible portion of the ScrollView, it will be expanded to fill that region.

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