websitebeaver / android-document-scanner Goto Github PK

Can anyone please help me with the information about including this library dynamically? Means after installation the library will be downloaded automatically in first launch.

Platform: Android

I have a big project going on and it seems theres something that creates conflict and doesn!t let the camera open. Says it doesnt find the source. However when I test it within a new project in a single activity works well. Any thoughts? Thanks

Hey

Is there a way to increase cropper size? When adjusting corner I am covering almost all the cropper view with my tumb, I need to move my head around to see what's under that. Is there a way easy (or in a hacky way) to adjust it?
Btw, great library!

Greetings!

am unable to use your package in fragment does it work in activity only?

This is required because sometimes in a branch of continuous scan, someone might skip a crop for a specific photo. So, instead of stretching crop points, just one click should give full image.

Platform: Android

Hi!

I'm trying to integrate this library into an existing app but keep getting this error message:
V/documentscannerlogs: error - error opening camera: Failed to find configured root that contains /storage/emulated/0/Android/data/my.app.package/files/Pictures/DOCUMENT_SCAN_0_20230131_0958198508389360123480978.jpg

When I run the demo from this repo, it works fine. However, I've followed the instructions to the point, so I'm clueless where the error comes from. Do you have an idea?

Nice work. But when staying in landscape the behaviour of the library is wrong.

simplest solution lock the orientation

    <activity
        android:name=".DocumentScannerActivity"
        android:screenOrientation="portrait"
        android:configChanges="orientation"
        android:theme="@style/Theme.FullScreen" />

Caused by java.lang.NullPointerException: Attempt to invoke virtual method 'int android.graphics.Bitmap.getWidth()' on a null object reference at com.websitebeaver.documentscanner.utils.ImageUtil.getImageMatrixFromFilePath(ImageUtil.java:68) at com.websitebeaver.documentscanner.utils.ImageUtil.getImageFromFilePath(ImageUtil.java:86) at com.websitebeaver.documentscanner.DocumentScannerActivity$cameraUtil$1.invoke(DocumentScannerActivity.java:88) at com.websitebeaver.documentscanner.DocumentScannerActivity$cameraUtil$1.invoke(DocumentScannerActivity.java:75) at com.websitebeaver.documentscanner.utils.CameraUtil.startForResult$lambda-0(CameraUtil.java:41) at androidx.activity.result.ActivityResultRegistry.doDispatch(ActivityResultRegistry.java:418) at androidx.activity.result.ActivityResultRegistry.dispatchResult(ActivityResultRegistry.java:375) at androidx.activity.ComponentActivity.onActivityResult(ComponentActivity.java:819) at androidx.fragment.app.FragmentActivity.onActivityResult(FragmentActivity.java:164) at android.app.Activity.dispatchActivityResult(Activity.java:8192) at android.app.ActivityThread.deliverResults(ActivityThread.java:4965) at android.app.ActivityThread.performResumeActivity(ActivityThread.java:4292) at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:4338) at android.app.servertransaction.ResumeActivityItem.execute(ResumeActivityItem.java:52) at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:176) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2057) at android.os.Handler.dispatchMessage(Handler.java:107) at android.os.Looper.loop(Looper.java:214) at android.app.ActivityThread.main(ActivityThread.java:7649) at java.lang.reflect.Method.invoke(Method.java) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:503) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:936)

I guess it can fix the problem: https://stackoverflow.com/questions/8442316/bitmap-is-returning-null-from-bitmapfactory-decodefilefilename.

It's really nice library that is also used in your react-native lib, but when compares to iOS, the only issue that we have is lack of preview for document boundaries. User do not know if the document has been found or not and need to capture image and then the crop can be set correctly, or totally not found and need to set it manually.

For improving user experience, it would be nice to see document boundaries in real-time on camera view

When will you be updated from v4.1.0 to v4.5.5 of OpenCV?

This version has a smaller application size, and upgrading to this version would be great.

Hey
Is there a way to skip this screen and go directly to the picking corners one?
The whole process starts from taking photo screen, then it goes to this confirmation and and then to the last, picking corners screen. I would like to skip the second part as it brings no additional value.

Thank you.

Is it possible to provide a property that specifies the camera's position to be used for scanning the documents?

Something like:

// open camera
startForResult.launch(takePictureIntent)

To

val takePictureIntent = Intent(MediaStore.ACTION_IMAGE_CAPTURE)
startActivityForResult(takePictureIntent, REQUEST_CODE_CAMERA)

I've encountered an "GL error: Out of memory!" error while using the application, specifically after taking a picture and while attempting to drag and drop pins. This issue has been observed on an Android 6.0 device running API 23. It seems to be related to a memory allocation problem. Any insights or assistance on resolving this issue would be greatly appreciated.

    I already run the demo + and try in new project same issue faced !

Originally posted by @ayshaalofi in #5 (comment)

could not get crop and add features after capture the image.

Feature Request - option to increase image quality and auto contrast etc to make picture more clear

Hello. This library is really useful. I just want to know that is there any option to pick image from gallery?

Thanks.

I tested the sample app on Pixel 2 XL Android 11 and I got this crash, however I tested it on pixel 5 Android 13 and it worked fine

A resource failed to call close.
OpenCV(4.1.0) Error: Assertion failed (!_src.empty()) in cvtColor, file /build/master_pack-android/open
imgproc::cvtColor_11() caught cv::Exception: OpenCV(4.1.0) /build/master_pack-android/opencv/modules/im
Shutting down VM
FATAL EXCEPTION: main
Process: com.websitebeaver.documentscanner.demo, PID: 13595
java.lang.RuntimeException: Unable to resume activity {com.websitebeaver.documentscanner.demo/com.websi
]
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:4444)
at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:4476)
at android.app.servertransaction.ResumeActivityItem.execute(ResumeActivityItem.java:52)
at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:223)
at android.app.ActivityThread.main(ActivityThread.java:7656)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)
Caused by: java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=953472882
]
at android.app.ActivityThread.deliverResults(ActivityThread.java:5015)
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:4431)
... 11 more

Caused by: CvException [org.opencv.core.CvException: cv::Exception: OpenCV(4.1.0) /build/master_pack-an
]
at org.opencv.imgproc.Imgproc.cvtColor_1(Native Method)
at org.opencv.imgproc.Imgproc.cvtColor(Imgproc.java:2309)
at com.websitebeaver.documentscanner.utils.ImageUtil.getImageFromFilePath(ImageUtil.kt:38)
at com.websitebeaver.documentscanner.DocumentScannerActivity$cameraUtil$1.invoke(DocumentScannerAct
at com.websitebeaver.documentscanner.DocumentScannerActivity$cameraUtil$1.invoke(DocumentScannerAct
at com.websitebeaver.documentscanner.utils.CameraUtil.startForResult$lambda-0(CameraUtil.kt:41)
at com.websitebeaver.documentscanner.utils.CameraUtil.$r8$lambda$QtmUm3JcXlX2aa1YkJnrPoMUzS8(Unknow
at com.websitebeaver.documentscanner.utils.CameraUtil$$ExternalSyntheticLambda0.onActivityResult(Un
at androidx.activity.result.ActivityResultRegistry.doDispatch(ActivityResultRegistry.java:392)
at androidx.activity.result.ActivityResultRegistry.dispatchResult(ActivityResultRegistry.java:351)
at androidx.activity.ComponentActivity.onActivityResult(ComponentActivity.java:647)
at androidx.fragment.app.FragmentActivity.onActivityResult(FragmentActivity.java:164)
at android.app.Activity.dispatchActivityResult(Activity.java:8310)
at android.app.ActivityThread.deliverResults(ActivityThread.java:5008)
... 12 more

Hi,

i tried to add a share button and want also a "back" button to start on the last page where is just the preview.
I found the Place and tried to add it, but what can i use as uri for the intent.putExtra(Intent.EXTRA_STREAM, uri) of intent?

Here is full code

override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        // cropped image
        croppedImageView = findViewById(R.id.cropped_image_view)

        shareBtn = findViewById(R.id.shareBtn)
        shareBtn.setOnClickListener {
            val intent= Intent(Intent.ACTION_SEND)
            //intent.putExtra(Intent.EXTRA_TEXT,"Hey Check out this Great app:")
            //intent.type="text/plain"
            intent.putExtra(Intent.EXTRA_STREAM, uri)
            intent.type = "application/pdf"
            startActivity(Intent.createChooser(intent, null))
        }

        // start document scan
        documentScanner.startScan()
}

I just added the ShareBtn, also in layout but i get errors cause i didnt find an uri for the EXTRA_STREAM...

And is it also possible to add a function "back to start" there with a button too?
I am new to doing app things, so hope someone can help 👍

I keep getting this error

java.lang.UnsatisfiedLinkError: No implementation found for long org.opencv.imgcodecs.Imgcodecs.imread_1(java.lang.String) (tried Java_org_opencv_imgcodecs_Imgcodecs_imread_11 and Java_org_opencv_imgcodecs_Imgcodecs_imread_11__Ljava_lang_String_2)
at org.opencv.imgcodecs.Imgcodecs.imread_1(Native Method)
at org.opencv.imgcodecs.Imgcodecs.imread(Imgcodecs.java:114)
at com.websitebeaver.documentscanner.utils.ImageUtil.getImageFromFilePath(ImageUtil.kt:34)
at com.websitebeaver.documentscanner.DocumentScannerActivity$cameraUtil$1.invoke(DocumentScannerActivity.kt:98)
at com.websitebeaver.documentscanner.DocumentScannerActivity$cameraUtil$1.invoke(DocumentScannerActivity.kt:84)
at com.websitebeaver.documentscanner.utils.CameraUtil.startForResult$lambda-0(CameraUtil.kt:41)
at com.websitebeaver.documentscanner.utils.CameraUtil.$r8$lambda$QtmUm3JcXlX2aa1YkJnrPoMUzS8(Unknown Source:0)
at com.websitebeaver.documentscanner.utils.CameraUtil$$ExternalSyntheticLambda0.onActivityResult(Unknown Source:4)
at androidx.activity.result.ActivityResultRegistry.doDispatch(ActivityResultRegistry.java:418)
at androidx.activity.result.ActivityResultRegistry.dispatchResult(ActivityResultRegistry.java:375)
at androidx.activity.ComponentActivity.onActivityResult(ComponentActivity.java:793)
at androidx.fragment.app.FragmentActivity.onActivityResult(FragmentActivity.java:164)
at android.app.Activity.dispatchActivityResult(Activity.java:8551)
at android.app.ActivityThread.deliverResults(ActivityThread.java:5455)
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:4904)
at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:4950)
at android.app.servertransaction.ResumeActivityItem.execute(ResumeActivityItem.java:54)
at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:176)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2291)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loopOnce(Looper.java:210)
at android.os.Looper.loop(Looper.java:299)
at android.app.ActivityThread.main(ActivityThread.java:8319)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:556)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1038)

I tried custom updating the documentScanner module but still no luck.

Receipt Auto detect is not working,

Anyone plz help me.

Fatal Exception: java.lang.RuntimeException: Unable to resume activity {com.ayumitra/com.websitebeaver.documentscanner.DocumentScannerActivity}: java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=2143666989, result=-1, data=null} to activity {com.ayumitra/com.websitebeaver.documentscanner.DocumentScannerActivity}: CvException [org.opencv.core.CvException: cv::Exception: OpenCV(4.1.0) /build/master_pack-android/opencv/modules/imgproc/src/color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function 'cvtColor'
]
       at android.app.ActivityThread.performResumeActivity(ActivityThread.java:5094)
       at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:5127)
       at android.app.servertransaction.ResumeActivityItem.execute(ResumeActivityItem.java:54)
       at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
       at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:176)
       at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
       at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2441)
       at android.os.Handler.dispatchMessage(Handler.java:106)
       at android.os.Looper.loopOnce(Looper.java:233)
       at android.os.Looper.loop(Looper.java:334)
       at android.app.ActivityThread.main(ActivityThread.java:8396)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:582)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1068)

Caused by java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=2143666989, result=-1, data=null} to activity {com.ayumitra/com.websitebeaver.documentscanner.DocumentScannerActivity}: CvException [org.opencv.core.CvException: cv::Exception: OpenCV(4.1.0) /build/master_pack-android/opencv/modules/imgproc/src/color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function 'cvtColor'
]
       at android.app.ActivityThread.deliverResults(ActivityThread.java:5651)
       at android.app.ActivityThread.performResumeActivity(ActivityThread.java:5081)
       at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:5127)
       at android.app.servertransaction.ResumeActivityItem.execute(ResumeActivityItem.java:54)
       at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
       at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:176)
       at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
       at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2441)
       at android.os.Handler.dispatchMessage(Handler.java:106)
       at android.os.Looper.loopOnce(Looper.java:233)
       at android.os.Looper.loop(Looper.java:334)
       at android.app.ActivityThread.main(ActivityThread.java:8396)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:582)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1068)

Caused by org.opencv.core.CvException: cv::Exception: OpenCV(4.1.0) /build/master_pack-android/opencv/modules/imgproc/src/color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function 'cvtColor'

       at org.opencv.imgproc.Imgproc.cvtColor_1(Imgproc.java)
       at org.opencv.imgproc.Imgproc.cvtColor(Imgproc.java:2309)
       at com.websitebeaver.documentscanner.utils.ImageUtil.getImageFromFilePath(ImageUtil.kt:36)
       at com.websitebeaver.documentscanner.DocumentScannerActivity$cameraUtil$1.invoke(DocumentScannerActivity.kt:88)
       at com.websitebeaver.documentscanner.DocumentScannerActivity$cameraUtil$1.invoke(DocumentScannerActivity.kt:75)
       at com.websitebeaver.documentscanner.utils.CameraUtil.startForResult$lambda-0(CameraUtil.kt:41)
       at com.websitebeaver.documentscanner.utils.CameraUtil.lambda$QtmUm3JcXlX2aa1YkJnrPoMUzS8()
       at com.websitebeaver.documentscanner.utils.-$$Lambda$CameraUtil$QtmUm3JcXlX2aa1YkJnrPoMUzS8.onActivityResult(:4)
       at androidx.activity.result.ActivityResultRegistry.doDispatch(ActivityResultRegistry.java:418)
       at androidx.activity.result.ActivityResultRegistry.dispatchResult(ActivityResultRegistry.java:375)
       at androidx.activity.ComponentActivity.onActivityResult(ComponentActivity.java:793)
       at androidx.fragment.app.FragmentActivity.onActivityResult(FragmentActivity.java:164)
       at android.app.Activity.dispatchActivityResult(Activity.java:8718)
       at android.app.ActivityThread.deliverResults(ActivityThread.java:5644)
       at android.app.ActivityThread.performResumeActivity(ActivityThread.java:5081)
       at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:5127)
       at android.app.servertransaction.ResumeActivityItem.execute(ResumeActivityItem.java:54)
       at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
       at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:176)
       at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
       at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2441)
       at android.os.Handler.dispatchMessage(Handler.java:106)
       at android.os.Looper.loopOnce(Looper.java:233)
       at android.os.Looper.loop(Looper.java:334)
       at android.app.ActivityThread.main(ActivityThread.java:8396)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:582)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1068)

Getting this crash for multiple users
Android build tools: 4.1.0
targetsdk 33

Hi,

I have a webview. When I click on a button in the webview, the native app launch de document scanner.

The "success handler" return to me a path file : "file:///storage/emulated/0/Android/data/com.xxx/files/Pictures/DOCUMENT_SCAN_0_....jpg

On native app I can show the image in a ImageView.

but I can't show the image in the webview with an tag

Chrome response:
"Not allowed to load local resource: file:///storage/emulated/0/Android/data/com.xxx/files/Pictures/DOCUMENT_SCAN_0_xxxxxxx.jpg

And in my native app I've this settings:

myWebView.getSettings().setAllowContentAccess(true);
myWebView.getSettings().setAllowFileAccess(true);
myWebView.getSettings().setAllowFileAccessFromFileURLs(true);
myWebView.getSettings().setAllowUniversalAccessFromFileURLs(true);

What's wrong ?

This library is working perfectly on portrait mode. I have locked my application activities to portrait mode but when camera is opened it can be changed to landscape mode and then app crashes. How can i resolve this issue?

Whenever you try to install another app with this library, gradle will fail:

Installation did not succeed.
The application could not be installed: INSTALL_FAILED_CONFLICTING_PROVIDER

List of apks:
[0] '[redacted]\app\build\intermediates\apk\release\app-release.apk'
Installation failed due to: 'Failed to commit install session 742080290 with command cmd package install-commit 742080290. Error: INSTALL_FAILED_CONFLICTING_PROVIDER: Scanning Failed.: Can't install because provider name com.websitebeaver.documentscanner.FileProvider (in package [redacted]) is already used by [redacted]'
Retry
Failed to launch an application on all devices

Getting this error while using module of library. Remove conflicts from the manifest before uploading. The following content provider authorities are in use by other developers: org.sdase.submission.documentscanner.FileProvider.
Otherwise it's working fine while adding dependency.
Please help. It's urgent

I was using older version of this library. It was working fine but crashed on camera orientation. Now i am using latest version but I am facing this issue.

java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=0, result=-1, data=Intent { (has extras) }} to activity {com.mgc.e_realtors/com.mgc.e_realtors.Realtor.Signup.Cnic.CnicActivity}: java.lang.RuntimeException: java.io.FileNotFoundException: /file:/storage/emulated/0/Android/data/com.mgc.e_realtors/files/Pictures/DOCUMENT_SCAN_0_20231202_1253008845266341652995473.jpg: open failed: ENOENT (No such file or directory)

I am setting the image using Picasso library. It was working fine in older version of the library.

Picasso.get().load(new File(result)).placeholder(R.color.light_gray).into(iv_cnicFront);