Fail to connect to camera service

Using Android SDK v.24

W/CameraBase: An error occurred while connecting to camera 0: Service not available W/art: Before Android 4.1, method int android.support.v7.widget.DropDownListView.lookForSelectablePosition(int, boolean) would have incorrectly overridden the package-private method in android.widget.ListView E/AndroidRuntime: FATAL EXCEPTION: cs-init Process: com.fuib.bridgest, PID: 19022 java.lang.RuntimeException: Fail to connect to camera service at android.hardware.Camera.<init>(Camera.java:556) at android.hardware.Camera.open(Camera.java:372) at com.budiyev.android.codescanner.CodeScanner$InitializationThread.initialize(CodeScanner.java:764) at com.budiyev.android.codescanner.CodeScanner$InitializationThread.run(CodeScanner.java:741)

Code:

public class LoginActivity extends AppCompatActivity {
    private CodeScanner mCodeScanner;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);


        CodeScannerView scannerView = findViewById(R.id.scanner_view);
        mCodeScanner = new CodeScanner(this, scannerView);
        mCodeScanner.setCamera(CodeScanner.CAMERA_BACK);
        mCodeScanner.setDecodeCallback(new DecodeCallback() {
            @Override
            public void onDecoded(@NonNull final Result result) {
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        Toast.makeText(getApplicationContext(), result.getText(), Toast.LENGTH_SHORT).show();
                    }
                });
            }
        });
        scannerView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                mCodeScanner.startPreview();
            }
        });
    }

    @Override
    protected void onResume() {
        super.onResume();
        mCodeScanner.startPreview();
    }

    @Override
    protected void onPause() {
        mCodeScanner.releaseResources();
        super.onPause();
    }
}

[yuriy-budiyev]

You should request camera permission on API >= 23 https://github.com/yuriy-budiyev/lib-demo-app/blob/master/app/src/main/java/com/budiyev/android/libdemoapp/codescanner/CodeScannerActivity.java

[joel-personal]

E/AndroidRuntime: FATAL EXCEPTION: cs-init Process: com.lightlogistics.vaast, PID: 5369 java.lang.RuntimeException: Fail to connect to camera service at android.hardware.Camera.<init>(Camera.java:637) at android.hardware.Camera.open(Camera.java:458) at com.budiyev.android.codescanner.CodeScanner$InitializationThread.initialize(CodeScanner.java:835) at com.budiyev.android.codescanner.CodeScanner$InitializationThread.run(CodeScanner.java:812) E/CustomActivityOnCrash: App has crashed, executing CustomActivityOnCrash’s UncaughtExceptionHandler java.lang.RuntimeException: Fail to connect to camera service at android.hardware.Camera.<init>(Camera.java:637) at android.hardware.Camera.open(Camera.java:458) at com.budiyev.android.codescanner.CodeScanner$InitializationThread.initialize(CodeScanner.java:835) at com.budiyev.android.codescanner.CodeScanner$InitializationThread.run(CodeScanner.java:812)

i have asked permission and it works but some times app crashes i am using ‘com.budiyev.android:code-scanner:2.1.0’ version