Flutter

问题 I am new to all this flutter thing. I searched everywhere to find a solution for this little problem. Is there a way to change the status bar color? Also when i use the a color like colors.blue i can see that the quality of the text in the status bar isn't good. Thanks appBar: AppBar( elevation : 0.0, leading: IconButton( icon: Icon(Icons.menu), tooltip: 'Navigation menu', onPressed: null, ), actions: <Widget>[ IconButton( icon: Icon(Icons.search), tooltip: 'Search', onPressed: null, ), ], ),

问题 I am new to all this flutter thing. I searched everywhere to find a solution for this little problem. Is there a way to change the status bar color? Also when i use the a color like colors.blue i can see that the quality of the text in the status bar isn't good. Thanks appBar: AppBar( elevation : 0.0, leading: IconButton( icon: Icon(Icons.menu), tooltip: 'Navigation menu', onPressed: null, ), actions: <Widget>[ IconButton( icon: Icon(Icons.search), tooltip: 'Search', onPressed: null, ), ], ),

问题 I have a Flutter project that I'm trying to run on iOS. It does normally on my Intel-based mac, but on my new Silicon-based mac running on M1 it fails to install pods. LoadError - dlsym(0x7f8926035eb0, Init_ffi_c): symbol not found - /Library/Ruby/Gems/2.6.0/gems/ffi-1.13.1/lib/ffi_c.bundle /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require' /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0

问题 I signed up a user in my Flutter app using FirebaseAuth.instance.verifyPhoneNumber() . This works perfectly and the user shows up in my Firebase Console. FirebaseAuth.instance.currentUser() now returns the user for me whenever I open the app. Should I store user info (age, weight etc.) here, or should I create a users collection in my Database and link the currentUser().uid in there? Also, should I store it on the Database linked against the uid , or linked against the login info. For example

问题 I signed up a user in my Flutter app using FirebaseAuth.instance.verifyPhoneNumber() . This works perfectly and the user shows up in my Firebase Console. FirebaseAuth.instance.currentUser() now returns the user for me whenever I open the app. Should I store user info (age, weight etc.) here, or should I create a users collection in my Database and link the currentUser().uid in there? Also, should I store it on the Database linked against the uid , or linked against the login info. For example

问题 I get name of font awesome from api that I want to access element of font_awesome_flutter package but I know it in C# but I do not know in flutter: received from server: { "fontawesomeName":"breadSlice" } in font_awesome package I can access its element by below IconButton( icon: FaIcon(FontAwesomeIcons.breadSlice), onPressed: () { print("Pressed"); } ) But How do I access element of object with string name in flutter? 回答1: This is not possible in Flutter because reflection is disabled. The

问题 I am new to flutter and I wanted to implement countdown timer with multicolor custom horizontal progress bar. from left to right. i tried my best to implement this. but my progress Bar start from right to left and it ends before my countdown end. and i wants my progress bar start as my countdown start. but i am not understand how do i do that. so i give start button for this.how can i start my progress bar without start button and from left to right ? here is my code: void main() { runApp

问题 I am new to flutter and I wanted to implement countdown timer with multicolor custom horizontal progress bar. from left to right. i tried my best to implement this. but my progress Bar start from right to left and it ends before my countdown end. and i wants my progress bar start as my countdown start. but i am not understand how do i do that. so i give start button for this.how can i start my progress bar without start button and from left to right ? here is my code: void main() { runApp

问题 Let's say I've a user id String uid = "1234abcdefgh890"; Now, I'd want to get a FirebaseUser using this uid, how do I do that? FirebaseAuth auth = FirebaseAuth.instance; FirebaseUser user = (await auth.signInWithXXX(uid)).user; // is there any method like this How can I get the FirebaseUser then? 回答1: There is no API in the Firebase client-side SDKs to get user information based on a UID, as this could potentially be a security concern. If you need this information, you can either implement

问题 Let's say I've a user id String uid = "1234abcdefgh890"; Now, I'd want to get a FirebaseUser using this uid, how do I do that? FirebaseAuth auth = FirebaseAuth.instance; FirebaseUser user = (await auth.signInWithXXX(uid)).user; // is there any method like this How can I get the FirebaseUser then? 回答1: There is no API in the Firebase client-side SDKs to get user information based on a UID, as this could potentially be a security concern. If you need this information, you can either implement