Document Center/Software/OS Guide/Android/Android DevelopmentLast Updated: 2026-09-03 19:12:39Android DevelopmentCustomization overviewFirefly versionOpen developer optionsUse of ADBLogAndroid system signature fileTimer switchTurn on the touch effectRockchip Encoder/DecoderBoot logo animation modificationDefault screen orientation modificationHide the status bar by defaultSeveral ways of setting built-in APPSetting of built-in default input methodDelete built-in appsStartup applicationModification of the default languageModification of the default time zoneDefault ROOTThe default system time is 24 hoursOpen network ADB by defaultThe default setting of OTG USB3.0 is devices modeTurn on or turn off the installation of unknown appsTurn touch sound on or offModify the desktop layoutConfigure USB camera front or rearConfigure 4K UICustomization overviewNext Page