How to Stop Your Android App from Draining the Battery with Wake Locks

· freeCodeCamp.org · Oct. 1, 2026, 10:44 p.m.
android Wake locks power battery Android Development battery management Wake locks
Summary
A wake lock is one of the simplest APIs in Android and one of the easiest to misuse. Acquiring one takes a single line of code. Forgetting to release it can keep a phone's CPU awake for hours, drain t...
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