Why Android app crashes for initializing variable
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Iwasjusttestinginput/output,therewasnospecialpurpose,thisisthelastcodethathadrunsuccessfully: publicclassMainActivityextendsAppCompatActivity { ...
Is it possible to detect Android app uninstall?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: MyappisusingGoogle\'sC2DM(pushnotification)tonotifyusersaboutnewactivityfromfriends.OncetheyinstalltheappiregisterthedevicewithC2DMserversandstor...
How to programmatically tell if a Bluetooth device
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IunderstandhowtogetalistofpaireddevicesbuthowcanItelliftheyareconnected? ItmustbepossiblesinceIseethemlistedinmyphone\'sBluetoothdevicelistandit...
What is the difference between sigaction and signa
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IwasabouttoaddanextrasignalhandlertoanappwehavehereandInoticedthattheauthorhadusedsigactiontosetuptheothersignalhandlers.Iwasgoingtousesignal.Tof...
Check if EditText is empty. [closed]
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Ihave5EditTextsinandroidforuserstoinput.IwouldliketoknowifIcouldhaveamethodforcheckingallthe5EditTextsiftheyarenull.Isthereanywaytodothis?? 回答1: ...