doesn't work

[sgehrman]

1 warning
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:8: error: package android.support.v7.app does not exist
import android.support.v7.app.AppCompatActivity;
^
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:9: error: package android.support.v7.widget does not exist
import android.support.v7.widget.Toolbar;
^
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:30: error: cannot find symbol
public class QRScannerActivity extends AppCompatActivity implements View.OnClickListener, ZXingScannerView.ResultHandler {
^
symbol: class AppCompatActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:38: error: method does not override or implement a method from a supertype
@OverRide
^
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:40: error: cannot find symbol
super.onCreate(state);
^
symbol: variable super
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:41: error: cannot find symbol
setContentView(R.layout.activity_qr_scanner);
^
symbol: method setContentView(int)
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:45: error: incompatible types: QRScannerActivity cannot be converted to Context
mScannerView = new ZXingScannerView(this);
^
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:51: error: cannot find symbol
contentFrame = findViewById(R.id.content_frame);
^
symbol: method findViewById(int)
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:52: error: cannot find symbol
flashImg = findViewById(R.id.flash_img);
^
symbol: method findViewById(int)
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:58: error: cannot find symbol
if (isDrawablesIdentical(flashImg.getDrawable(), getResources().getDrawable(R.drawable.ic_flash_active))) {
^
symbol: method getResources()
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:59: error: cannot find symbol
flashImg.setImageDrawable(getResources().getDrawable(R.drawable.ic_flash_inactive));
^
symbol: method getResources()
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:61: error: cannot find symbol
} else if (isDrawablesIdentical(flashImg.getDrawable(), getResources().getDrawable(R.drawable.ic_flash_inactive))) {
^
symbol: method getResources()
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:62: error: cannot find symbol
flashImg.setImageDrawable(getResources().getDrawable(R.drawable.ic_flash_active));
^
symbol: method getResources()
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:75: error: cannot find symbol
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
^
symbol: method getSupportActionBar()
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:76: error: cannot find symbol
getSupportActionBar().setDisplayShowHomeEnabled(true);
^
symbol: method getSupportActionBar()
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:77: error: cannot find symbol
setTitle(getString(R.string.qr_scanner));
^
symbol: method getString(int)
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:82: error: cannot find symbol
Window window = getWindow();
^
symbol: method getWindow()
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:88: error: method does not override or implement a method from a supertype
@OverRide
^
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:90: error: cannot find symbol
super.onResume();
^
symbol: variable super
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:95: error: method does not override or implement a method from a supertype
@OverRide
^
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:97: error: cannot find symbol
super.onPause();
^
symbol: variable super
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:117: error: cannot find symbol
setResult(RESULT_OK, intent);
^
symbol: variable RESULT_OK
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:118: error: cannot find symbol
finish();
^
symbol: method finish()
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:122: error: cannot find symbol
Toast.makeText(QRScannerActivity.this, getString(R.string.process_failed), Toast.LENGTH_SHORT).show();
^
symbol: method getString(int)
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:127: error: method does not override or implement a method from a supertype
@OverRide
^
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:132: error: method does not override or implement a method from a supertype
@OverRide
^
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:144: error: cannot find symbol
setResult(RESULT_CANCELED, intent);
^
symbol: variable RESULT_CANCELED
location: class QRScannerActivity
/home/steve/google/flutter/.pub-cache/hosted/pub.dartlang.org/qr_utils-0.1.4/android/src/main/java/com/aeologic/adhoc/qr_utils/activity/QRScannerActivity.java:145: error: cannot find symbol
finish();
^
symbol: method finish()
location: class QRScannerActivity
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
28 errors

FAILURE: Build failed with an exception.

• What went wrong:
  Execution failed for task ':qr_utils: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 17s
The built failed likely due to AndroidX incompatibilities in a plugin. The tool is about to try using Jetfier to solve the incompatibility.
Building plugin cloud_firestore...
The plugin cloud_firestore could not be built due to the issue above.
Exited (sigterm)

[magnussp]

Duplicate issue as #2 . There is a pull request waiting that would solve this.