Flutter - Text multiline Get link Facebook X Pinterest Email Other Apps - October 11, 2020 20201011 Flexible( child: Text()), Get link Facebook X Pinterest Email Other Apps Comments
Flutter - "PlatformException(no_fragment_activity, local_auth plugin requires activity to be a FragmentActivity., null)" - October 08, 2020 package co.et.keys import androidx.annotation.NonNull ; import io.flutter.embedding.android.FlutterFragmentActivity import io.flutter.embedding.engine.FlutterEngine import io.flutter.plugins.GeneratedPluginRegistrant class MainActivity: FlutterFragmentActivity() { override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) { GeneratedPluginRegistrant.registerWith(flutterEngine) ; } } <uses-permission android :name ="android.permission.USE_BIOMETRIC" /> refer 1 refer2 Read more
Go-VSCode -Autocomplete and Auto-import - March 09, 2022 >goinstall //golang "[go]" :{ "editor.formatOnSave" : true , "editor.codeActionsOnSave" : { "source.organizeImports" : true }, }, "go.testOnSave" : true , "go.lintOnSave" : "package" , "go.formatTool" : "goimports" , "go.testFlags" : [ "-v" ], "go.autocompleteUnimportedPackages" : true , "gopls" : { "experimentalWorkspaceModule" : true , }, Read more
Dart syntax - operators - August 12, 2020 ☝ + - * / ~/ % ☝++ -- ☝*= ☝is 與 as ☝? : = if else ☝?? 第一個? 是判斷是否為null, 第2個 ? 是if運算子,如果是null就執行 ☝??= 判斷如果值為null,再給值,要不然就照舊。 ☝.. 很像this. 用呼叫其物件,第一個.表物件本身;而第二個,指向其屬性/變數/方法。 phone.number 等於 phone() ..number ☝?. 第一個?表其物件value允許為null,以避免例外發生;而第二個,指向其屬性/變數/方法。 phone?.number //可允許phone沒有值。 Read more
Comments
Post a Comment