How to get information such as device screen size, status bar height and so on in flutter? because UI is highly customized and material style is not suitable, you need to build your own navigation bar (or title bar). The height of the status bar is un...

looked at the official documents and found that the official said that deleting the underscore is done by setting null by decoration, but the placeholder of TextField is also done through decoration, so how to have both? ...

Code snippet: Widget _ getRowWidget2 () { return new Row(children: <Widget>[ new Flexible( flex: 1, fit: FlexFit.tight, androidweight=1 child: new Stack(children: <Widget>[ new Column(children: <Widget>[ ...

Project startup and debugging reported this error: Launching libmain.dart on Android SDK built for x86 in debug mode. FormatException: Bad UTF-8 encoding 0xc2 (at offset 116) Exited (sigterm) there is no more detailed information, do you have a so...

does anyone know what s going on? When I use this for the first time, I feel that whether I can run or not depends on luck. I want to run a flutter . ...

flutter newcomer, do you know how to pack in the vscode environment? ...

looking directly at the code, setstate will always call the listview.builder method indefinitely. It seems to loop infinitely all the time import package:flutter material.dart ; import package:http http.dart as http; import dart:convert ; imp...

when developing app with flutter, I want to define some commonly used styles the code is as follows: import package:flutter material.dart ; class AppStyle { static Color colorRed = const Color(0xffe04f5f); static Color colorWhite = const Color...

as soon as a demo compiler is built and a demo console is run, the following occurs Launching lib main.dart on Android SDK built for x86 in debug mode... Initializing gradle... Resolving dependencies... * Error running Gradle: ProcessException: Process...

for example, in a layout with bottom navigation ( "home ", "account "), the desired route is { home : home page, account info : user information page, account pwd-reset : change password page } requires navigation to be frequently displaye...

Flutter write an app, OS without publishing to Apple app store, and download it directly from the web, can you not run it? see that some will put an activation code on the download page, saying that the ios version needs to enter the activation code to ...

problem description small demo Performing hot reload. Syncing files to device OPPO R11 Reloaded 0 of 419 libraries in 401ms. E flutter (2440): [ERROR:flutter shell common shell.cc E flutter (2440): MissingPluginException (No implementation found ...

I didn t do a mobile development before, but I m playing by myself. Now I have a small problem. The app I made is to show some pictures. If I want to achieve a function, I can save the pictures to my mobile phone by long pressing. After looking for the...

similar to control + enter in Androidstudio ...

debugging a project generated by the flutter plug-in using VSC shows that gradle (Initializing gradle.) it automatically downloads ~ .gradle wrapper dists gradle-4.10.2-all and then gets stuck here, complaining about the domestic network. I have ma...

flutter doctor can pass, and it has been stuck in Initializing gradle. since the Android simulator point was run. timeout waiting for the application to start what to do? ...

flutter s sms package has a method to get all the text messages, but it returns a future object. how do I get the content and export it to a csv file? ...

flutter has been set to use domestic images but packages get has been in running, to ask what the reason is. Is it because some packages are not in the domestic image or because I set them? thank you . ...

does flutter have a good selector widget or third-party libraries recommend ...

is there a package that can easily call the so library? ...