Android UI implementation slot machine details and example code

• Android

Detailed explanation of Android UI implementation of slot machine

1. Implementation effect drawing

2. Knowledge to be mastered

3. Detailed knowledge

Listview is a control that displays items in a vertically scrolling list. The contents of these items come from a listadapter. EditText Button TextView ImageView Check@R_ 864_ 2419 @ five layouts.

Listview optimization

The getview method in the adapter will pass in a convertview. Convertview refers to the view object that has been used and can be reused. However, before use, you need to judge whether it is empty. If it is not empty, it can be reused directly and used as the return object of the getview method.

4. Project code

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