Camera & Gallery (Pick Image)

// From Student Diary – AddEditNoteFragment
private val pickImage = registerForActivityResult(ActivityResultContracts.PickVisualMedia()) { uri: Uri? ->
    if (uri != null) copyImage(uri)          // null = user cancelled
}

binding.btnAddPhoto.setOnClickListener {
    pickImage.launch(PickVisualMediaRequest(ActivityResultContracts.PickVisualMedia.ImageOnly))
}

// pick up to 5 images
private val pickMany = registerForActivityResult(ActivityResultContracts.PickMultipleVisualMedia(5)) { uris ->
    adapter.submitList(uris)
}

package com.codingeasily.studentdiary.util

import android.content.Context
import android.net.Uri
import java.io.File
import java.util.UUID

/**
 * The photo picker gives a temporary content:// Uri.
 * We copy the picture into the app's private folder so it stays available.
 */
object ImageStore {
    fun copyToAppStorage(context: Context, uri: Uri): String? = try {
        val dir = File(context.filesDir, "images").apply { mkdirs() }
        val file = File(dir, "${UUID.randomUUID()}.jpg")
        context.contentResolver.openInputStream(uri)?.use { input ->
            file.outputStream().use { output -> input.copyTo(output) }
        }
        file.absolutePath
    } catch (e: Exception) {
        null
    }

    fun delete(path: String?) {
        if (path != null) File(path).delete()
    }
}

private fun copyImage(uri: Uri) {
    viewLifecycleOwner.lifecycleScope.launch {
        val path = withContext(Dispatchers.IO) { ImageStore.copyToAppStorage(requireContext(), uri) }
        if (path == null) {
            Toast.makeText(requireContext(), R.string.image_error, Toast.LENGTH_SHORT).show()
        } else {
            imagePath = path                                   // saved with the note in Room
            Glide.with(this@AddEditNoteFragment).load(File(path)).centerCrop().into(binding.ivPhoto)
        }
    }
}

class ProfileFragment : Fragment() {
    private var photoUri: Uri? = null

    private val takePicture = registerForActivityResult(ActivityResultContracts.TakePicture()) { success ->
        if (success) photoUri?.let { Glide.with(this).load(it).circleCrop().into(binding.ivAvatar) }
    }

    private fun openCamera() {
        val file = File(requireContext().filesDir, "images/avatar_${System.currentTimeMillis()}.jpg")
        file.parentFile?.mkdirs()
        val uri = FileProvider.getUriForFile(
            requireContext(), "${requireContext().packageName}.fileprovider", file
        )
        photoUri = uri
        takePicture.launch(uri)              // the camera app writes the photo into our file
    }
}

<!-- AndroidManifest.xml – inside <application> -->
<provider
    android:name="androidx.core.content.FileProvider"
    android:authorities="${applicationId}.fileprovider"
    android:exported="false"
    android:grantUriPermissions="true">
    <meta-data
        android:name="android.support.FILE_PROVIDER_PATHS"
        android:resource="@xml/file_paths" />
</provider>

<!-- res/xml/file_paths.xml -->
<paths>
    <files-path name="images" path="images/" />
</paths>

private fun choosePhotoSource() {
    val options = arrayOf("📷  Take photo", "🖼  Choose from gallery")
    MaterialAlertDialogBuilder(requireContext())
        .setTitle("Add photo")
        .setItems(options) { _, which ->
            if (which == 0) openCamera()
            else pickImage.launch(PickVisualMediaRequest(ActivityResultContracts.PickVisualMedia.ImageOnly))
        }
        .show()
}