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Get image URI of captured image Android Kotlin

I have two buttons, one to select an image from the gallery and one to take a picture with your camera. The part to select it from gallery is working perfectly.
But when the user captures an image with the CameraIntent I am not able to get the URI.
Code:
var uri_path : Uri? = null;
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
super.onActivityResult(requestCode, resultCode, data)
if (resultCode == Activity.RESULT_OK && requestCode == 1000) {
println("DATA " + data?.data)
uri_path = data?.data;
findViewById<ImageView>(R.id.selected_image).setImageURI(data?.data);
}
if (resultCode == Activity.RESULT_OK && requestCode == 1001) {
//val ImageView = findViewById<ImageView>(R.id.selected_image);
val photo = data!!.extras!!["data"] as Bitmap?
val values = ContentValues()
values.put(MediaStore.Images.Media.TITLE, "Title")
values.put(MediaStore.Images.Media.DESCRIPTION, "From Camera")
uri_path = contentResolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values)
/*
ATTEMPT 2:
Error: Caused by: java.lang.NullPointerException: MediaStore.Images.Media.…, inImage, "Title", null) must not be null
uri_path = photo?.let { getImageUri(applicationContext, it) };
*/
println("PATH " + uri_path);
findViewById<ImageView>(R.id.selected_image).setImageBitmap(photo)
}
}
fun getImageUri(inContext: Context, inImage: Bitmap): Uri? {
val bytes = ByteArrayOutputStream()
inImage.compress(Bitmap.CompressFormat.JPEG, 100, bytes)
val path: String = MediaStore.Images.Media.insertImage(inContext.getContentResolver(), inImage, "Title", null)
return Uri.parse(path)
}
requestCode 1000 is for the gallery and works, 1001 is to take the picture from the camera and fails.
The uri_path value is NULL. The picture is displayed in the ImageView though. How can I get the image URI from the captured image?
Thanks!

uploading image from gallery and camera to server

I need to save the image that is taken from camera or image taken from gallery in kotlin. for now I've done this part and i'm finding other examples in kotlin but i'm unable to find. In other examples, images were send in multipart which was coded in java.
These are listeners
private val cameraRequest = 1888
private val pickImage = 100
private var imageUri: Uri? = null
takePhoto.setOnClickListener {
val cameraIntent = Intent(MediaStore.ACTION_IMAGE_CAPTURE)
startActivityForResult(cameraIntent, cameraRequest)
}
choosePicture.setOnClickListener {
val gallery = Intent(Intent.ACTION_PICK, MediaStore.Images.Media.INTERNAL_CONTENT_URI)
startActivityForResult(gallery, pickImage)
}
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
super.onActivityResult(requestCode, resultCode, data)
if (requestCode == cameraRequest) {
val photo: Bitmap = data?.extras?.get("data") as Bitmap
takePhoto.setImageBitmap(photo)
}
if (resultCode == RESULT_OK && requestCode == pickImage) {
imageUri = data?.data
if (imageUri != null) {
choosePicture.setImageURI(imageUri)
}
}
}

You can use this library for making a multipart request: https://github.com/gotev/android-upload-service
Also, it will handle app behaviour for you which includes upload-retry on slow internet connection and many more.

Overwrite data in firebase database

I try to make an storage where i can save my image in firebase storage but everytime i upload a new image it will replace the old one,i want evertime a new image will be save on storage,i am on android studio using kotlin,Is my code is wrong?here is my code
class Activity2 : AppCompatActivity() {
var curFile: Uri? = null
val imageRef = Firebase.storage.reference
private val userCollection = Firebase.firestore.collection("persons")
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity2)
//here where a button to get an image from gallery
tvpilihfoto.setOnClickListener {
Intent(Intent.ACTION_GET_CONTENT).also {
it.type = "image/*"
val REQUEST_CODE_IMAGE_PICK = 0
startActivityForResult(it, REQUEST_CODE_IMAGE_PICK)
}
//this button for an upload activity to send the image to database firebase
btnupload.setOnClickListener {
uploadImageToStorage("my image")
}
}
private fun uploadImageToStorage(filename : String) = CoroutineScope(Dispatchers.IO).launch {
try {
curFile?.let {
imageRef.child("images/$filename").putFile(it).await()
withContext(Dispatchers.Main) {
Toast.makeText(this#Activity2,"Foto anda telah dipilih",
Toast.LENGTH_LONG).show()
}
}
} catch (e : Exception) {
withContext(Dispatchers.Main) {
Toast.makeText(this#Activity2,e.message,Toast.LENGTH_LONG).show()
}
}
}
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
super.onActivityResult(requestCode, resultCode, data)
val REQUEST_CODE_IMAGE_PICK = 0
if (resultCode == Activity.RESULT_OK && requestCode == REQUEST_CODE_IMAGE_PICK) {
data?.data?.let {
curFile = it
ivfoto.setImageURI(it)
//this where my image get or display in app
}
}
}
}

Since you're always calling uploadImageToStorage("my image"), the image will alway be called my image. So each time you make that call, it will overwrite the previous my image in storage.
To always add a new image, generate a unique filename in your code. For example:
uploadImageToStorage(UUID.randomUUID().toString())

Kotlin Image Compression Implementation

My old implementation to upload image to Firebase Storage in JPEG format without any compression
private fun sendToFirebase() {
if (imgUri != null) {
val fileRef = storageRef!!.child(username+ ".jpg")
....
// code to upload and read image url
}
}
Decided to write a image compression technique to compress image and then upload to Firebase Storage
Result : Achieved image compression technique, see below
Newly added code to compress image
URI to Bitmap
val bitmap = MediaStore.Images.Media.getBitmap(activity?.contentResolver, imgUri)
Method to compress Bitmap
private fun compressBitmap(bitmap: Bitmap, quality:Int):Bitmap{
val stream = ByteArrayOutputStream()
bitmap.compress(Bitmap.CompressFormat.WEBP, quality, stream)
val byteArray = stream.toByteArray()
return BitmapFactory.decodeByteArray(byteArray, 0, byteArray.size)
}
Bitmap compression Implementation
compressBitmap(bitmap, 80)
Query: How to upload same compressed image to Firebase storage
private fun sendToFirebase() {
if (imgUri != null) {
// code to convert uri to bitmap <start>
val bitmap = MediaStore.Images.Media.getBitmap(activity?.contentResolver, imgUri)
compressBitmap(bitmap, 80)
// code to convert uri to bitmap <end>
// old implementation
.....
}
}

You don't seem to be passing anything into your function for sendtoFirebase. i am posting code i have done to successfully upload.
you looking at compressing first so you would need this;
private fun compressBitmap(bitmap: Bitmap, quality: Int): Bitmap {
val stream = ByteArrayOutputStream()
bitmap.compress(Bitmap.CompressFormat.WEBP,quality,stream)
val byteArray = stream.toByteArray()
arrayByte = byteArray
uploadFile(arrayByte)
return BitmapFactory.decodeByteArray(byteArray,0,byteArray.size)
}
in the above, uploadFile is the call for the firebase upload. i am passing the compressed bitmap into the function. the functional for upload looks as follows:
in below mImageURI is a companion object which is part of the URI passed for compression. you can remove the if statement below if you dont want to do the check
private fun uploadFile(data:ByteArray) {
if (mImageUri != null){
val storageref = imageref.child("put your image id here")
storageref.putBytes(data).addOnSuccessListener {
Handler().postDelayed({
progressbar.setProgress(0)
Toast.makeText(activity, "Upload Successful", Toast.LENGTH_LONG).show()
}
, 1000)
}.addOnFailureListener{e->
Toast.makeText(activity,e.message,Toast.LENGTH_LONG).show()
}.addOnProgressListener {taskSnapshot ->
val progress = (100.0 * taskSnapshot.bytesTransferred/taskSnapshot.totalByteCount)
progressbar.setProgress(progress.toInt())
}
}
else if(mImageUri == null) {
Toast.makeText(activity,"No File Selected",Toast.LENGTH_LONG).show()
}
}
You do not need to have the progress bar above. its just a nice visual for the user to have to see the progress of the upload if the file is large.
your really only need to ensure that you passing data into .putbytes
Edit: For your onActivity result if your code is similar to mine then use;
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
super.onActivityResult(requestCode, resultCode, data)
if (requestCode == PICK_IMAGE_REQUEST && resultCode == RESULT_OK
&& data != null && data.getData() != null) {
mImageUri = data.getData()!!
image1.setImageURI(data.getData())
}
}
in the above image1 is a imageView on the current page to show the image selected.
Hope this helps

get File from Uri cause FileNotFoundException in kotlin, how to get real file path [duplicate]

This question already has answers here:
Android Kotlin: Getting a FileNotFoundException with filename chosen from file picker?
(5 answers)
Create a file from a photo URI on Android
(1 answer)
Closed 2 years ago.
I want to upload a logo picked in gallery to our api via multipart.
I am using multipartFile method from the networking library witch take a File in parameter: uploading a file to server
The File object can take an Uri as constructor.
With the uri received from the gallery return, i can display the image in a ImageView, but the uri or uri.path cause FileNotFoundException when passed in FileConstructor. (internet, read, write permissions are declared in manifest)
there is all code concerning this feature:
//selected image uri
private var imageUri: Uri? = null
set(value) {
field = value
field?.let { //value after picking image is : content://com.android.providers.media.documents/document/image%3A25
uploadImageFile(imageUri= it,
route = "uploadImageRoute/",
onProgression = { progress ->
Log.d("upload", "progress= $progress")
},
onSuccess = {
Log.d("upload", "upload success !")
},
onError = { errorMessage ->
Log.d("upload", "error= $errorMessage")
})
}
}
//select image button clicked, go to image gallery to pick an image
override fun onClick(v: View?) {
val intent = Intent()
intent.type = "image/*"
intent.action = Intent.ACTION_GET_CONTENT
startActivityForResult(Intent.createChooser(intent, "Select Picture"), 0)
}
//comeback from image gallery
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
super.onActivityResult(requestCode, resultCode, data)
if (requestCode == 0 && resultCode == Activity.RESULT_OK && data != null) {
val selectedPhotoUri = data.data!!
imageUri = selectedPhotoUri
}
}
//prepare request headers
private fun configureHeaders(): MutableMap<String,Any> {
var headerMap = mutableMapOf<String, Any>()
headerMap["Content-Type"] = "multipart/form-data"
headerMap["Accept"] = "application/json, text/plain"
return headerMap
}
private fun uploadImageFile(imageUri: Uri, route: String, onProgression: (Double) -> Unit, onSuccess: () -> Unit, onError: (String?) -> Unit) {
val headers = configureHeaders()
var file = File(imageUri.path)
AndroidNetworking.upload("https://api.ourDomain.com/$route")
.addMultipartFile("file", file)
.addHeaders(headers)
.build()
.setUploadProgressListener { uploaded, total ->
val percentage = 100 * uploaded / total as Double
onProgression(percentage)
}
.getAsJSONObject(object : JSONObjectRequestListener {
override fun onResponse(response: JSONObject?) {
onSuccess()
}
override fun onError(anError: ANError?) {
onError(anError.toString())
}
})
}
How to get the real path to the file to put in parameter of File constructor ?