Example of using the custom dialog alertdialog in Android

In Android development, we often need to pop up some dialog boxes on the Android interface, such as asking users or letting users choose. These functions are called Android dialog, and the implementation method of alertdialog is builder mode. Some dialog boxes defined in alertdialog often fail to meet our requirements for dialog boxes. In this case, we need to customize the dialog box view to meet our requirements. Here, I customize a login prompt dialog box. The effect diagram is shown as follows:

Layout (alertdialog user defined login button) interface code:

Layout (login_layout) interface:

Java function implementation code:

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