Develop Reference

Can Sove this Error FileNotFoundException please?

Execution failed for task ':app:packageDebug'.
A failure occurred while executing com.android.build.gradle.tasks.PackageAndroidArtifact$IncrementalSplitterRunnable
java.io.FileNotFoundException: C:\Users\HP\AndroidStudioProjects\MyApplication9\app\build\intermediates\incremental\packageDebug\tmp\debug\zip-cache\androidResources (Access is denied)
Try:
Run with --stacktrace option to get the stack trace.
Run with --info or --debug option to get more log output.
Run with --scan to get full insights.
// I tried turning off read-only option but still doesn't work

Run your Android Studio as administrator. Maybe your problem will be solved.

when i run the flutter project it's happing

FAILURE: Build failed with an exception.
What went wrong:
Unable to get mutable Windows environment variable map
Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

Fresh install flutter in ubuntu 18.04 wont run my first app

I tried to create my first app using flutter create newapp
but it wont run i always get an error
* What went wrong:
A problem occurred evaluating project ':app'.
> com/google/common/util/concurrent/SettableFuture
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to
get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 1s
Exception: Gradle task assembleDebug failed with exit code 1

I just wipe all the cache in .gradle/cache and it works

react-native run-android fails with error

i'm getting the following errors in my console.
FAILURE: Build completed with 2 failures.
1: Task failed with an exception.
What went wrong:
Execution failed for task ':react-native-video:compileDebugJavaWithJavac'.
Compilation failed; see the compiler error output for details.
Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
2: Task failed with an exception.
What went wrong:
Execution failed for task ':react-native-firebase:compileDebugJavaWithJavac'.
Compilation failed; see the compiler error output for details.
Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
Get more help at https://help.gradle.org
Deprecated Gradle features were used in this build, making it
incompatible with Gradle 5.0. Use '--warning-mode all' to show the
individual deprecation warnings. See
https://docs.gradle.org/4.10.1/userguide/command_line_interface.html#sec:command_line_warnings
BUILD FAILED in 10s 151 actionable tasks: 13 executed, 138 up-to-date
error Could not install the app on the device, read the error above
for details. Make sure you have an Android emulator running or a
device connected and have set up your Android development environment:
https://facebook.github.io/react-native/docs/getting-started.html
error Command failed: ./gradlew app:installDebug. Run CLI with
--verbose flag for more details.

Is your android device is connected. Check it with
adb devices
If no device name shows then, no device is connected, try to connect your device correctly and run
react-native run-android
and in different terminal run
npm start

After ejecting the react-native app to android when i run 'npm run android' it gives error saying tools.jar is missing?

When i try to run npm run android command it gives following error. It said to check jdk in jre folder?
FAILURE: Build failed with an exception.
What went wrong:
Execution failed for task ':react-native-gesture-handler:compileDebugJavaWithJavac'.
Could not find tools.jar. Please check that C:\Program Files\Java\jre1.8.0_201 contains a valid JDK installation.
Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.