repository·trunk·Indexed Jul 30, 2026
https://github.com/jakewharton/threetenabpAn adaptation of the JSR-310 backport optimized for Android that provides Java 8 java.time APIs to older Android versions using efficient assets for timezone data. Note: Development has concluded; migration to java.time.* via Android core library desugaring is recommended.
You must initialize the timezone information in your Application.onCreate() method to ensure the library functions correctly.
@Override public void onCreate() {
super.onCreate();
AndroidThreeTen.init(this);
}Add the following dependency to your build.gradle file to include ThreeTen Android Backport in your project.
implementation 'com.jakewharton.threetenabp:threetenabp:1.4.9'java.time.* and use Android's core library desugaring feature instead of this backport.