各國妹拍照的情況雖然欠揍但很中肯
Data Backup | Android Developers 白人妹太像了!!Quickview Back up the user's data to the cloud in case the user loses it If the user upgrades to a new Android-powered device, your app can restore the user's data onto the new device Easily back up SharedPreferences and private files with BackupAgentHelp...
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