Build Failed

[HIMANSHU MISHRA]

Dear All,

I am facing this issue. I am unable to run the project.

Please help me out.

///

Launching lib\main.dart on SM G600FY in debug mode...
Parameter format not correct -                                          
D:\COMPUTER SCIENCE\SOFTWARES\Flutter\Flutter\flutter\.pub-cache\hosted\pub.dartlang.org\flute_music_player-0.0.6\android\src\main\java\com\mtechviral\musicfinder\MusicHelper.java:8: error: cannot find symbol
import android.support.v4.app.ActivityCompat;
                             ^                                          
  symbol:   class ActivityCompat
  location: package android.support.v4.app
D:\COMPUTER SCIENCE\SOFTWARES\Flutter\Flutter\flutter\.pub-cache\hosted\pub.dartlang.org\flute_music_player-0.0.6\android\src\main\java\com\mtechviral\musicfinder\MusicHelper.java:9: error: package android.support.v4.content does not exist
import android.support.v4.content.ContextCompat;
                                 ^
D:\COMPUTER SCIENCE\SOFTWARES\Flutter\Flutter\flutter\.pub-cache\hosted\pub.dartlang.org\flute_music_player-0.0.6\android\src\main\java\com\mtechviral\musicfinder\MusicHelper.java:10: error: package android.support.v7.app does not exist
import android.support.v7.app.AppCompatActivity;
                             ^
D:\COMPUTER SCIENCE\SOFTWARES\Flutter\Flutter\flutter\.pub-cache\hosted\pub.dartlang.org\flute_music_player-0.0.6\android\src\main\java\com\mtechviral\musicfinder\MusicHelper.java:15: error: cannot find symbol
    public static boolean hasExternalStorageAccess(AppCompatActivity activity) {
                                                   ^
  symbol:   class AppCompatActivity
  location: class MusicHelper
D:\COMPUTER SCIENCE\SOFTWARES\Flutter\Flutter\flutter\.pub-cache\hosted\pub.dartlang.org\flute_music_player-0.0.6\android\src\main\java\com\mtechviral\musicfinder\MusicHelper.java:16: error: cannot find symbol
        if(ContextCompat.checkSelfPermission(activity, Manifest.permission.READ_EXTERNAL_STORAGE)
           ^
  symbol:   variable ContextCompat
  location: class MusicHelper
D:\COMPUTER SCIENCE\SOFTWARES\Flutter\Flutter\flutter\.pub-cache\hosted\pub.dartlang.org\flute_music_player-0.0.6\android\src\main\java\com\mtechviral\musicfinder\MusicHelper.java:19: error: cannot find symbol
        ActivityCompat.requestPermissions(activity,
        ^
  symbol:   variable ActivityCompat
  location: class MusicHelper
Note: D:\COMPUTER SCIENCE\SOFTWARES\Flutter\Flutter\flutter\.pub-cache\hosted\pub.dartlang.org\flute_music_player-0.0.6\android\src\main\java\com\mtechviral\musicfinder\MusicFinderPlugin.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: D:\COMPUTER SCIENCE\SOFTWARES\Flutter\Flutter\flutter\.pub-cache\hosted\pub.dartlang.org\flute_music_player-0.0.6\android\src\main\java\com\mtechviral\musicfinder\MusicFinderPlugin.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
6 errors
                                                                       
FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':flute_music_player: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

BUILD FAILED in 1m 41s
Running Gradle task 'assembleDebug'...                                  
Running Gradle task 'assembleDebug'... Done                       104.0s
The build failed likely due to AndroidX incompatibilities in a plugin. The tool is about to try using Jetifier to solve the
incompatibility.
Building plugin flute_music_player...
Running Gradle task 'assembleAarRelease'...                            
Running Gradle task 'assembleAarRelease'... Done                  168.8s
√ Built build\app\outputs\repo.
Building plugin flutter_keyboard_visibility...
Running Gradle task 'assembleAarRelease'...                            
Running Gradle task 'assembleAarRelease'... Done                   86.1s
√ Built build\app\outputs\repo.
Building plugin modal_progress_hud_nsn...
Running Gradle task 'assembleAarRelease'...                            
Running Gradle task 'assembleAarRelease'... Done                  167.8s

e: D:\COMPUTER SCIENCE\SOFTWARES\Flutter\Flutter\flutter\.pub-cache\hosted\pub.dartlang.org\modal_progress_hud_nsn-0.1.0-nullsafety-1\android\src\main\kotlin\com\walle\modal_progress_hud_nsn\ModalProgressHudNsnPlugin.kt: (3, 28): Unresolved reference: NonNull
e: D:\COMPUTER SCIENCE\SOFTWARES\Flutter\Flutter\flutter\.pub-cache\hosted\pub.dartlang.org\modal_progress_hud_nsn-0.1.0-nullsafety-1\android\src\main\kotlin\com\walle\modal_progress_hud_nsn\ModalProgressHudNsnPlugin.kt: (20, 36): Unresolved reference: NonNull
e: D:\COMPUTER SCIENCE\SOFTWARES\Flutter\Flutter\flutter\.pub-cache\hosted\pub.dartlang.org\modal_progress_hud_nsn-0.1.0-nullsafety-1\android\src\main\kotlin\com\walle\modal_progress_hud_nsn\ModalProgressHudNsnPlugin.kt: (25, 30): Unresolved reference: NonNull
e: D:\COMPUTER SCIENCE\SOFTWARES\Flutter\Flutter\flutter\.pub-cache\hosted\pub.dartlang.org\modal_progress_hud_nsn-0.1.0-nullsafety-1\android\src\main\kotlin\com\walle\modal_progress_hud_nsn\ModalProgressHudNsnPlugin.kt: (25, 57): Unresolved reference: NonNull
e: D:\COMPUTER SCIENCE\SOFTWARES\Flutter\Flutter\flutter\.pub-cache\hosted\pub.dartlang.org\modal_progress_hud_nsn-0.1.0-nullsafety-1\android\src\main\kotlin\com\walle\modal_progress_hud_nsn\ModalProgressHudNsnPlugin.kt: (33, 38): Unresolved reference: NonNull

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':compileReleaseKotlin'.
> Compilation error. See log for more 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

BUILD FAILED in 2m 45s


Exception: The plugin modal_progress_hud_nsn could not be built due to the issue above.

[Steven Harris]

what does -info say? what does -stacktrace say? What does the log output say?