Android uses radiogroup to implement the bottom navigation bar

Radiogroup realizes the bottom navigation bar effect, as shown in the figure:

The most basic navigation bar function can be realized. You can't slide left and right. You can only click @ H_ 404_ 6@

1. Layout of embedded fragments:

2. Activity code of fragment:

Take this as an example, write different fragment layouts as needed, and so on.

3. The layout of the interface for loading fragment is as follows (selector is used for implementation, and click to change the icon and text color):

Click to change the text color:

Click the change icon:

Interface layout:

4. Load the activity code of the fragment interface (double click the return key to exit the application):

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