Kotlin - 在 JAVA 上从相机捕获图像时出错，代码正常
Kotlin - Error Capturing Image From camera on JAVA code its OK
这是我的 JAVA 代码转换为 Kotlin。
转换后代码给了我一些错误，在 java 上它完美无误地工作。
从相机拍摄图像后抛出错误。
是什么导致了这个问题？？
我正在使用 'com.github.yalantis:ucrop:2.2.1-native' 库来裁剪图像
private fun dispatchTakePictureIntent() {
val takePictureIntent = Intent(MediaStore.ACTION_IMAGE_CAPTURE)
if (takePictureIntent.resolveActivity(baseContext.packageManager) != null) {
var photoFile: File? = null
try {
photoFile = createImageFile()
} catch (ex: IOException) {
// Error occurred while creating the File
}
if (photoFile != null) {
try {
photoURI = FileProvider.getUriForFile(baseContext,
"com.anvinsolutions.akhil.pravda.fileprovider",
photoFile)
//Toast.makeText(getBaseContext(), photoURI.getPath(), Toast.LENGTH_SHORT).show();
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoURI)
startActivityForResult(takePictureIntent, REQUEST_TAKE_PHOTO)
} catch (e: Exception) {
e.printStackTrace()
}
}
}
}
private fun dispatchTakePictureIntent() {
val takePictureIntent = Intent(MediaStore.ACTION_IMAGE_CAPTURE)
if (takePictureIntent.resolveActivity(baseContext.packageManager) != null) {
var photoFile: File? = null
try {
photoFile = createImageFile()
} catch (ex: IOException) {
// Error occurred while creating the File
}
if (photoFile != null) {
try {
photoURI = FileProvider.getUriForFile(baseContext,
"com.anvinsolutions.akhil.pravda.fileprovider",
photoFile)
//Toast.makeText(getBaseContext(), photoURI.getPath(), Toast.LENGTH_SHORT).show();
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoURI)
startActivityForResult(takePictureIntent, REQUEST_TAKE_PHOTO)
} catch (e: Exception) {
e.printStackTrace()
}
}
}
}
@Throws(IOException::class)
private fun createImageFile(): File {
// Create an image file name
val timeStamp = SimpleDateFormat("yyyyMMdd_HHmmss").format(Date())
//Toast.makeText(getBaseContext(), timeStamp, Toast.LENGTH_SHORT).show();
val imageFileName = "JPEG_$timeStamp"
val storageDir = getExternalFilesDir(Environment.DIRECTORY_PICTURES)
val image = File.createTempFile(
imageFileName, /* prefix */
".jpg", /* suffix */
storageDir /* directory */
)
// Save a file: path for use with ACTION_VIEW intents
mCurrentPhotoPath = image.absolutePath
Log.e("PATH ==> ",mCurrentPhotoPath)
return image
}
/*********************************** CAMERA */
private fun startCropActivity(uri: Uri) {
//Log.e("","wfwefwefwef")
var destinationFileName = "Akhil"
destinationFileName += ".jpg"
val uCrop = UCrop.of(uri, Uri.fromFile(File(cacheDir, destinationFileName)))
val options = UCrop.Options()
//options.withAspectRatio(3,4);
options.setFreeStyleCropEnabled(true)
//options.withMaxResultSize(396,512);
options.setHideBottomControls(true)
options.setCompressionFormat(Bitmap.CompressFormat.PNG)
uCrop.withOptions(options)
uCrop.start(this@member_form)
}
private fun pickFromGallery() {
val intent = Intent()
intent.type = "image/*"
intent.action = Intent.ACTION_GET_CONTENT
intent.addCategory(Intent.CATEGORY_OPENABLE)
startActivityForResult(Intent.createChooser(intent, "Select one"), REQUEST_SELECT_PICTURE)
}
private fun handleCropResult(result: Intent) {
croppedImage = UCrop.getOutput(result)!!
if (croppedImage != null) {
//Toast.makeText(getBaseContext(), "OK CROP COMPLETED", Toast.LENGTH_SHORT).show();
take_photo.setImageResource(android.R.color.transparent)
take_photo.setImageURI(croppedImage)
/*ViewGroup.LayoutParams layoutParams = take_photo.getLayoutParams();
layoutParams.width = 396;
layoutParams.height = 512;
take_photo.setLayoutParams(layoutParams);*/
take_photo.scaleType = ImageView.ScaleType.CENTER
take_photo.adjustViewBounds = true
//ResultActivity.startWithUri(SampleActivity.this, croppedImage);
} else {
Toast.makeText(baseContext, "Error", Toast.LENGTH_SHORT).show()
}
}
private fun handleCropError(result: Intent) {
val cropError = UCrop.getError(result)
if (cropError != null) {
Log.e("Error: ", "handleCropError: ", cropError)
Toast.makeText(baseContext, cropError.message, Toast.LENGTH_LONG).show()
} else {
Toast.makeText(baseContext, "Unexpected Error!", Toast.LENGTH_SHORT).show()
}
}
public override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent) {
Log.e("Result", "RequestCode=$requestCode Result Code=$resultCode")
if (requestCode == REQUEST_IMAGE_CAPTURE && resultCode == Activity.RESULT_OK) {
try {
startCropActivity(photoURI!!)
Log.e("","startCropActivity")
} catch (e: Exception) {
e.printStackTrace()
}
}else{
Log.e("Result"," : NOT OK")
}
if (resultCode == Activity.RESULT_OK) {
if (requestCode == REQUEST_SELECT_PICTURE) {
val selectedUri = data.data
if (selectedUri != null) {
startCropActivity(data.data!!)
} else {
Toast.makeText(baseContext, "Error", Toast.LENGTH_SHORT).show()
}
} else if (requestCode == UCrop.REQUEST_CROP) {
handleCropResult(data)
}
}
if (resultCode == UCrop.RESULT_ERROR) {
handleCropError(data)
Log.e("", "CROP RESULT ERROR")
}
super.onActivityResult(requestCode, resultCode, null)
}
这是错误信息，
Process: com.anvinsolutions.akhil.pravda, PID: 14120
java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1, result=-1, data=null} to activity {com.anvinsolutions.akhil.pravda/com.anvinsolutions.akhil.pravda.member_form}: java.lang.IllegalArgumentException: Parameter specified as non-null is null: method kotlin.jvm.internal.Intrinsics.checkParameterIsNotNull, parameter data
at android.app.ActivityThread.deliverResults(ActivityThread.java:3738)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3781)
at android.app.ActivityThread.access00(ActivityThread.java:153)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1424)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:5523)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:739)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:629)
Caused by: java.lang.IllegalArgumentException: Parameter specified as non-null is null: method kotlin.jvm.internal.Intrinsics.checkParameterIsNotNull, parameter data
at com.anvinsolutions.akhil.pravda.member_form.onActivityResult(member_form.kt)
at android.app.Activity.dispatchActivityResult(Activity.java:6508)
java.lang.IllegalArgumentException: Parameter specified as non-null is null:
很难说哪一个是空的。例如
public override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent) {
Intent 可以为 null，应将其标记为 nullabe。将其更改为
public override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
这是我的 JAVA 代码转换为 Kotlin。 转换后代码给了我一些错误，在 java 上它完美无误地工作。 从相机拍摄图像后抛出错误。 是什么导致了这个问题？？
我正在使用 'com.github.yalantis:ucrop:2.2.1-native' 库来裁剪图像
private fun dispatchTakePictureIntent() {
val takePictureIntent = Intent(MediaStore.ACTION_IMAGE_CAPTURE)
if (takePictureIntent.resolveActivity(baseContext.packageManager) != null) {
var photoFile: File? = null
try {
photoFile = createImageFile()
} catch (ex: IOException) {
// Error occurred while creating the File
}
if (photoFile != null) {
try {
photoURI = FileProvider.getUriForFile(baseContext,
"com.anvinsolutions.akhil.pravda.fileprovider",
photoFile)
//Toast.makeText(getBaseContext(), photoURI.getPath(), Toast.LENGTH_SHORT).show();
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoURI)
startActivityForResult(takePictureIntent, REQUEST_TAKE_PHOTO)
} catch (e: Exception) {
e.printStackTrace()
}
}
}
}
private fun dispatchTakePictureIntent() {
val takePictureIntent = Intent(MediaStore.ACTION_IMAGE_CAPTURE)
if (takePictureIntent.resolveActivity(baseContext.packageManager) != null) {
var photoFile: File? = null
try {
photoFile = createImageFile()
} catch (ex: IOException) {
// Error occurred while creating the File
}
if (photoFile != null) {
try {
photoURI = FileProvider.getUriForFile(baseContext,
"com.anvinsolutions.akhil.pravda.fileprovider",
photoFile)
//Toast.makeText(getBaseContext(), photoURI.getPath(), Toast.LENGTH_SHORT).show();
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoURI)
startActivityForResult(takePictureIntent, REQUEST_TAKE_PHOTO)
} catch (e: Exception) {
e.printStackTrace()
}
}
}
}
@Throws(IOException::class)
private fun createImageFile(): File {
// Create an image file name
val timeStamp = SimpleDateFormat("yyyyMMdd_HHmmss").format(Date())
//Toast.makeText(getBaseContext(), timeStamp, Toast.LENGTH_SHORT).show();
val imageFileName = "JPEG_$timeStamp"
val storageDir = getExternalFilesDir(Environment.DIRECTORY_PICTURES)
val image = File.createTempFile(
imageFileName, /* prefix */
".jpg", /* suffix */
storageDir /* directory */
)
// Save a file: path for use with ACTION_VIEW intents
mCurrentPhotoPath = image.absolutePath
Log.e("PATH ==> ",mCurrentPhotoPath)
return image
}
/*********************************** CAMERA */
private fun startCropActivity(uri: Uri) {
//Log.e("","wfwefwefwef")
var destinationFileName = "Akhil"
destinationFileName += ".jpg"
val uCrop = UCrop.of(uri, Uri.fromFile(File(cacheDir, destinationFileName)))
val options = UCrop.Options()
//options.withAspectRatio(3,4);
options.setFreeStyleCropEnabled(true)
//options.withMaxResultSize(396,512);
options.setHideBottomControls(true)
options.setCompressionFormat(Bitmap.CompressFormat.PNG)
uCrop.withOptions(options)
uCrop.start(this@member_form)
}
private fun pickFromGallery() {
val intent = Intent()
intent.type = "image/*"
intent.action = Intent.ACTION_GET_CONTENT
intent.addCategory(Intent.CATEGORY_OPENABLE)
startActivityForResult(Intent.createChooser(intent, "Select one"), REQUEST_SELECT_PICTURE)
}
private fun handleCropResult(result: Intent) {
croppedImage = UCrop.getOutput(result)!!
if (croppedImage != null) {
//Toast.makeText(getBaseContext(), "OK CROP COMPLETED", Toast.LENGTH_SHORT).show();
take_photo.setImageResource(android.R.color.transparent)
take_photo.setImageURI(croppedImage)
/*ViewGroup.LayoutParams layoutParams = take_photo.getLayoutParams();
layoutParams.width = 396;
layoutParams.height = 512;
take_photo.setLayoutParams(layoutParams);*/
take_photo.scaleType = ImageView.ScaleType.CENTER
take_photo.adjustViewBounds = true
//ResultActivity.startWithUri(SampleActivity.this, croppedImage);
} else {
Toast.makeText(baseContext, "Error", Toast.LENGTH_SHORT).show()
}
}
private fun handleCropError(result: Intent) {
val cropError = UCrop.getError(result)
if (cropError != null) {
Log.e("Error: ", "handleCropError: ", cropError)
Toast.makeText(baseContext, cropError.message, Toast.LENGTH_LONG).show()
} else {
Toast.makeText(baseContext, "Unexpected Error!", Toast.LENGTH_SHORT).show()
}
}
public override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent) {
Log.e("Result", "RequestCode=$requestCode Result Code=$resultCode")
if (requestCode == REQUEST_IMAGE_CAPTURE && resultCode == Activity.RESULT_OK) {
try {
startCropActivity(photoURI!!)
Log.e("","startCropActivity")
} catch (e: Exception) {
e.printStackTrace()
}
}else{
Log.e("Result"," : NOT OK")
}
if (resultCode == Activity.RESULT_OK) {
if (requestCode == REQUEST_SELECT_PICTURE) {
val selectedUri = data.data
if (selectedUri != null) {
startCropActivity(data.data!!)
} else {
Toast.makeText(baseContext, "Error", Toast.LENGTH_SHORT).show()
}
} else if (requestCode == UCrop.REQUEST_CROP) {
handleCropResult(data)
}
}
if (resultCode == UCrop.RESULT_ERROR) {
handleCropError(data)
Log.e("", "CROP RESULT ERROR")
}
super.onActivityResult(requestCode, resultCode, null)
}
这是错误信息，
Process: com.anvinsolutions.akhil.pravda, PID: 14120
java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1, result=-1, data=null} to activity {com.anvinsolutions.akhil.pravda/com.anvinsolutions.akhil.pravda.member_form}: java.lang.IllegalArgumentException: Parameter specified as non-null is null: method kotlin.jvm.internal.Intrinsics.checkParameterIsNotNull, parameter data
at android.app.ActivityThread.deliverResults(ActivityThread.java:3738)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3781)
at android.app.ActivityThread.access00(ActivityThread.java:153)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1424)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:5523)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:739)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:629)
Caused by: java.lang.IllegalArgumentException: Parameter specified as non-null is null: method kotlin.jvm.internal.Intrinsics.checkParameterIsNotNull, parameter data
at com.anvinsolutions.akhil.pravda.member_form.onActivityResult(member_form.kt)
at android.app.Activity.dispatchActivityResult(Activity.java:6508)
java.lang.IllegalArgumentException: Parameter specified as non-null is null:
很难说哪一个是空的。例如
public override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent) {
Intent 可以为 null，应将其标记为 nullabe。将其更改为
public override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {