Android custom vertical drag seekbar progress bar
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Android
The seekbar provided with Android is horizontal. To be vertical, you must write a class to inherit the seekbar.
A simple example of vertical seekbar:
(but it actually has some problems. But it can make do if it meets basic needs.)
A horizontal seekbar is added to the demo for comparison, and the code is as follows:
Activity：
HelloSeekBarActivity
Layout:
activity_ hello_ seek_ bar.xml
Operation screenshot:
An improved version of seekbar
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