image cropper

	class MainActivity : AppCompatActivity() {
	private val TAG: String = "AppDebug"
	private val GALLERY_REQUEST_CODE = 1234
	override fun onCreate(savedInstanceState: Bundle?) {
	super.onCreate(savedInstanceState)
	setContentView(R.layout.activity_main)
	update_textview.setOnClickListener {
	pickFromGallery()
	}
	}
	override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
	super.onActivityResult(requestCode, resultCode, data)
	when (requestCode) {
	GALLERY_REQUEST_CODE -> {
	if (resultCode == Activity.RESULT_OK) {
	data?.data?.let { uri ->
	launchImageCrop(uri)
	}
	}
	else{
	Log.e(TAG, "Image selection error: Couldn't select that image from memory." )
	}
	}
	CropImage.CROP_IMAGE_ACTIVITY_REQUEST_CODE -> {
	val result = CropImage.getActivityResult(data)
	if (resultCode == Activity.RESULT_OK) {
	setImage(result.uri)
	}
	else if (resultCode == CropImage.CROP_IMAGE_ACTIVITY_RESULT_ERROR_CODE) {
	Log.e(TAG, "Crop error: ${result.getError()}" )
	}
	}
	}
	}
	private fun setImage(uri: Uri){
	Glide.with(this)
	.load(uri)
	.into(image)
	}
	private fun launchImageCrop(uri: Uri){
	CropImage.activity(uri)
	.setGuidelines(CropImageView.Guidelines.ON)
	.setAspectRatio(1920, 1080)
	.setCropShape(CropImageView.CropShape.RECTANGLE) // default is rectangle
	.start(this)
	}
	private fun pickFromGallery() {
	val intent = Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI)
	intent.type = "image/*"
	val mimeTypes = arrayOf("image/jpeg", "image/png", "image/jpg")
	intent.putExtra(Intent.EXTRA_MIME_TYPES, mimeTypes)
	intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
	startActivityForResult(intent, GALLERY_REQUEST_CODE)
	}
	}

view raw MainActivity.kt hosted with ❤ by GitHub

https://www.youtube.com/watch?v=DBANpg2Cl7A&t=1295s