I am working with flutter currently and everything was fine suddenly when I uninstalled the app from the device and rerun flutter run from the terminal it's suddenly not able to install the apk.
maybe when i including firebase in the flutter app then i facing this error.
Want to Know where is wrong my device or flutter code or something......
can show how the error appears in the debug console.
maybe you can try to follow on the documentation page here
Related
I've developed a Flutter app but when I create its apk, it's run perfectly on first installation and after that I close my app and rerun then it is not showing any pages.
You might need to check the logs to see what is happening. Use Logcat extreme for checking the logs on your android device.
I am flowing the official tutorial to install flutter and run the default app on my iPhone Device. After I execute the flutter run, the app is installed and launched on my iPhone but the logs show the bellow error. How do I solve it?
Launching lib/main.dart on My iPhone 6 in debug mode...
Automatically signing iOS for device deployment using specified development team
in Xcode project: XXXXXXXXXX
Running Xcode build...
└─Compiling, linking, and signing... 50.2s
Xcode builds done. 90.1s
Installing and launching... 41.1s
Error launching the application on My iPhone 6. <-- Error Here
It happens that there are some process needed to Flutter plugin correctly run on physical devices. I struggled with that and finally found that the processes idevicesyslog and iproxy were being silently blocked by MacOS.
You may have noticed already a message liked this:
or a similar one for idevicesyslog.
Once I went to System Preferences -> Security & Privacy in General tab and allowed this apps, everything works. Note that this screen shows only the last app that you tried to run. So I'd recommend that you run flutter app with preferences opened so you can (hopefully) see the messages appearing and click allow.
MacOS may warn you one more time about the file being downloaded from the internet. Just click open and you're good.
The error do not show again after reboot the iPhone.
Same error -- Running fine through Xcode, when I ran with flutter CLI, the app would open, but the terminal log output would crash with the error as in the post.
I ran flutter update and simultaneously turned iPhone off and back on. After doing that, the below popup appeared (on mac).
I believe after the install finished, I ran the below (which I ran several times before updating flutter and installing the popup):
flutter clean
rm -rf ios/Pods
flutter pub get
cd ios && pod install && cd ..
run the flutter app using flutter run from command line, then the MacBook will ask for permission to open the app and app runs,
(lldb) warning: libobjc.A.dylib is being read from process memory. This indicates that LLDB could not find the on-disk shared cache for this device. This will likely reduce debugging performance.
Error launching application on device-XXXXX.
Building & Replace with a newest version ios-deploy solved problems list aboved. Flutter SDK bundled a pre-built command ios-deploy in __PATH_TO_YOUR_Flutter_SDK_/bin/cache/artifacts/ios-deploy/, just replace it.
Please reference to: Flutter Error launching application on device issue .
When I run my application using the VS Code Run and Debug, The app is installed on my device and is stuck on a white screen. Meanwhile in the editor, the VS Code notification is stuck on "Installing build\app\outputs\apk\app.apk..."
I've tried to run different flutter apps on the physical device but was still met with the same error. I've also tried to run the flutter example increment app, but to no avail. I also uninstalled and reinstalled the flutter sdk from the stable GitHub branch but that also did not work. I've also tried solutions from about 22 other questions with similar problems.
However, when I use flutter run from the command line, the app installs and launches on my phone, however, I'm unable to use the Flutter DevTools Inspector.
P.S I've been able to debug flutter apps on the device with the Flutter DevTools in the past.
As of Flutter v1.20.2, this problem has been resolved. The linked GitHub issue is here if you disagree about the problem being solved.
You'll need to end the flutter, dart and flutter processes. So in terminal do this:
killall adb
killall dart
killall flutter
Then reload vscode
Im totally new to flutter, and would like to try out the official examples gallery: https://github.com/flutter/flutter/tree/master/examples/flutter_gallery
I´ve installed Android studio and have the emulator running, which works great when i start the demo app from VS code.
Problem is, how do i fetch the gallery app, and load it onto the virtual device? The simple guide says I should run these two commands:
flutter packages get
flutter run --release
This does not work, as the terminal throws this error: "Release mode is not supported for emulators." If I instead run
flutter run --debug
it loads up the "You have pushed the button x this many times" standard demo app. And i really cant see how these two commands tells the terminal to get the flutter gallery.
I´ve also tried to change the flutter channel to dev, but this dosent help.
Flutter doctor says everything is OK.
So how do I you try out the official flutter gallery app?
You need to switch to the project directory of the gallery app first
cd your_flutter_install_dir/examples/flutter_gallery
flutter packages get
flutter run
If you have a real device connected (and the emulator closed) you can also use flutter run release
my ionic project works fine with ionic serve --lab ,but while copied the.apk file in build folder to my phone and install the app but blank screen appears ,
Please can anyone suggest what might be my problem
my app is using google maps,key is provieded for both app and browser in index.html
Have you tried running it in the emulator ? Since its much easier to see the error logs . Try ionic emulate android -l or ios -l (whichever OS you are building for) and then once the execution starts run the command consolelogs it will log all the activity and you will have a better understanding about why its not working.
+1 for using Chrome Remote Debugging feature. It give you the same output as you would receive from running you app in the browser.
Additionally, I have found that sometimes if your app is already compiled, the ionic CLI doesnt always copy your current files into the APK, and uses the older cached files instead. If you are banging your head against the wall, run the following commands to make sure you have your latest code in your APK.
ionic platform remove android
ionic platform add android
ionic run android
I suggest you use the Chrome Remote Debugging feature. I encountered the same, and looked for answers to my symptom for hours. Once I connected to the chrome remote debugger, I got the console.log back, and noticed there was a problem in my routing setup.
It was a problem with ionic CLI. I've updated it to the latest and reinstalled all dependencies.