Android imitates wechat to realize the initial navigation bar
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Android
This article introduces how Android implements the initial navigation bar. First look at the effect picture. How to implement it depends on the code
Specific steps
1. Display of overall layout 2 Realize grouping of A-Z 3 Customize the navigation bar of A-Z 4 Show / hide the specific letters touching the navigation bar in the middle
activity_ main. xml
item. XML - item corresponding to listview
Contact bean
ContactAdapter. java
MainActivity
Pingyin4j. Is required to extract the initial letter Jar, Xiaobian is not available here. You can download it online
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