FrameLayout.bringChildToFront
时间: 2024-04-30 16:22:57 浏览: 18
FrameLayout.bringChildToFront() is a method in Android that brings a specific child view to the front of the layout, making it the topmost view in the z-axis. This method can be called on a FrameLayout object, which is a type of ViewGroup that arranges its child views in a stack-like manner.
The method takes a single parameter, which is the child view that should be brought to the front. When this method is called, the specified child view is moved to the top of the stack, and all other child views are repositioned accordingly.
Here's an example of how to use FrameLayout.bringChildToFront():
```
FrameLayout frameLayout = (FrameLayout) findViewById(R.id.my_framelayout);
View childView = frameLayout.getChildAt(3);
frameLayout.bringChildToFront(childView);
```
In this example, we first obtain a reference to the FrameLayout object using its ID. We then get a reference to the fourth child view in the layout (index 3), which we want to bring to the front. Finally, we call FrameLayout.bringChildToFront() and pass in the child view as the parameter. This will move the specified child view to the top of the stack.
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