让我们进入主要问题。我使用 https://github.com/ArthurHub/Android-Image-Cropper 作为图像裁剪器。我想从我的片段中打开这个 Image Cropper 活动。当我们选择图像时，它成功进入图像裁剪器部分，当我点击“裁剪”时。图像不想加载到我的图像视图中，我已经从活动结果中设置了ImageUri。
我想我仍然没有得到我的片段的活动结果。我已经尝试了一些尝试。但仍然没有用。我真的不明白片段和活动之间的活动结果是如何工作的。
这是我被卡住的片段。 （看看 onActivityresult）还有点击按钮“添加”的意图。
class EditProfileFragment : Fragment() {
private lateinit var firebaseUser: FirebaseUser
private var checkerAddProfile = ""
private var checkerAddBackground = ""
private var urlProfile = ""
private var urlBackground = ""
private var imageUriProfile: Uri? = null
private var imageUriBackground: Uri? = null
private var storageProfilePicRef: StorageReference? = null
private var storageBackgroundPicRef: StorageReference? = null
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
// Inflate the layout for this fragment
val bind = FragmentEditProfileBinding.inflate(layoutInflater)
firebaseUser = FirebaseAuth.getInstance().currentUser!!
storageProfilePicRef = FirebaseStorage.getInstance().reference.child("Profile Pictures")
storageBackgroundPicRef = FirebaseStorage.getInstance().reference.child("Background Pictures")
bind.ivBackEditProfile.setOnClickListener {
activity?.onBackPressed()
}
bind.ivAddProfilePhoto.setOnClickListener {
addProfileImage()
}
bind.ivAddBgEditProfile.setOnClickListener {
addBackgroundImage()
}
bind.btnSaveEditProfile.setOnClickListener {
saveEditProfile(bind)
}
userInfo(bind)
return bind.root
}
private fun saveEditProfile(bind: FragmentEditProfileBinding) {
if (checkerAddProfile == "profile")
{
uploadImageAndUpdateInfo(bind)
}
if (checkerAddBackground == "background")
{
uploadImageBackgroundAndUpdateInfo(bind)
}
if (checkerAddProfile == "profile" && checkerAddBackground == "background")
{
uploadAllImageAndUpdateInfo(bind)
}
else{
updateUserInfoOnly(bind)
}
}
private fun uploadAllImageAndUpdateInfo(bind: FragmentEditProfileBinding) {
when {
imageUriProfile == null && imageUriBackground == null -> Toast.makeText(requireContext(), "Please select image first.", Toast.LENGTH_LONG).show()
TextUtils.isEmpty(bind.etNameEditProfile.text.toString()) -> Toast.makeText(requireContext(), "Please write Username first.", Toast.LENGTH_LONG).show()
bind.etBioEditProfile.text.toString() == "" -> Toast.makeText(requireContext(), "Please write your bio first.", Toast.LENGTH_SHORT).show()
else -> {
val progressDialog = ProgressDialog(requireContext())
progressDialog.setTitle("Update Profile")
progressDialog.setMessage("Please wait, we are updating your profile...")
progressDialog.show()
val fileProfileRef = storageProfilePicRef!!.child(firebaseUser!!.uid + ".jpg")
val fileBackgroundRef = storageBackgroundPicRef!!.child(firebaseUser!!.uid + ".jpg")
val uploadProfileTask: StorageTask<*>
uploadProfileTask = fileProfileRef.putFile(imageUriProfile!!)
val uploadBackgroundTask: StorageTask<*>
uploadBackgroundTask = fileBackgroundRef.putFile(imageUriBackground!!)
uploadProfileTask.continueWithTask(Continuation <UploadTask.TaskSnapshot, Task<Uri>>{ task ->
if (!task.isSuccessful)
{
task.exception?.let {
throw it
progressDialog.dismiss()
}
}
return@Continuation fileProfileRef.downloadUrl
}).addOnCompleteListener { it ->
if (it.isSuccessful){
val downloadProfileUrl = it.result
urlProfile = downloadProfileUrl.toString()
}
uploadBackgroundTask.continueWithTask(Continuation <UploadTask.TaskSnapshot, Task<Uri>>{ task ->
if (!task.isSuccessful)
{
task.exception?.let {
throw it
progressDialog.dismiss()
}
}
return@Continuation fileProfileRef.downloadUrl
}).addOnCompleteListener { task ->
if (task.isSuccessful){
val downloadBackgroundUrl = task.result
urlBackground = downloadBackgroundUrl.toString()
val ref = FirebaseDatabase.getInstance().reference.child("User")
val userMap = HashMap<String, Any>()
userMap["userName"] = bind.etNameEditProfile.text.toString()
userMap["bio"] = bind.etBioEditProfile.text.toString()
userMap["link"] = bind.etLinkEditProfile.text.toString()
userMap["profile_image"] = urlProfile
userMap["background_image"] = urlBackground
ref.child(firebaseUser.uid).updateChildren(userMap)
Toast.makeText(requireContext(), "Account Information has been updated successfully.", Toast.LENGTH_LONG).show()
activity?.onBackPressed()
progressDialog.dismiss()
}
else
{
progressDialog.dismiss()
}
}
}
}
}
}
private fun uploadImageBackgroundAndUpdateInfo(bind: FragmentEditProfileBinding) {
when
{
imageUriBackground == null -> Toast.makeText(requireContext(), "Please select image first.", Toast.LENGTH_LONG).show()
TextUtils.isEmpty(bind.etNameEditProfile.text.toString()) -> Toast.makeText(requireContext(), "Please write Username first.", Toast.LENGTH_LONG).show()
bind.etBioEditProfile.text.toString() == "" -> Toast.makeText(requireContext(), "Please write your bio first.", Toast.LENGTH_SHORT).show()
else -> {
val progressDialog = ProgressDialog(requireContext())
progressDialog.setTitle("Update Profile")
progressDialog.setMessage("Please wait, we are updating your profile...")
progressDialog.show()
val fileRef = storageBackgroundPicRef!!.child(firebaseUser!!.uid + ".jpg")
val uploadTask: StorageTask<*>
uploadTask = fileRef.putFile(imageUriBackground!!)
uploadTask.continueWithTask(Continuation <UploadTask.TaskSnapshot, Task<Uri>>{ task ->
if (!task.isSuccessful)
{
task.exception?.let {
throw it
progressDialog.dismiss()
}
}
return@Continuation fileRef.downloadUrl
}).addOnCompleteListener (OnCompleteListener<Uri> { task ->
if (task.isSuccessful)
{
val downloadUrl = task.result
urlBackground = downloadUrl.toString()
val ref = FirebaseDatabase.getInstance().reference.child("User")
val userMap = HashMap<String, Any>()
userMap["userName"] = bind.etNameEditProfile.text.toString()
userMap["bio"] = bind.etBioEditProfile.text.toString()
userMap["link"] = bind.etLinkEditProfile.text.toString()
userMap["background_image"] = urlBackground
ref.child(firebaseUser.uid).updateChildren(userMap)
Toast.makeText(requireContext(), "Account Information has been updated successfully.", Toast.LENGTH_LONG).show()
activity?.onBackPressed()
progressDialog.dismiss()
}
else
{
progressDialog.dismiss()
}
})
}
}
}
private fun uploadImageAndUpdateInfo(bind: FragmentEditProfileBinding) {
when
{
imageUriProfile == null -> Toast.makeText(requireContext(), "Please select image first.", Toast.LENGTH_LONG).show()
TextUtils.isEmpty(bind.etNameEditProfile.text.toString()) -> Toast.makeText(requireContext(), "Please write Username first.", Toast.LENGTH_LONG).show()
bind.etBioEditProfile.text.toString() == "" -> Toast.makeText(requireContext(), "Please write your bio first.", Toast.LENGTH_SHORT).show()
else -> {
val progressDialog = ProgressDialog(requireContext())
progressDialog.setTitle("Update Profile")
progressDialog.setMessage("Please wait, we are updating your profile...")
progressDialog.show()
val fileRef = storageProfilePicRef!!.child(firebaseUser!!.uid + ".jpg")
val uploadTask: StorageTask<*>
uploadTask = fileRef.putFile(imageUriProfile!!)
uploadTask.continueWithTask(Continuation <UploadTask.TaskSnapshot, Task<Uri>>{ task ->
if (!task.isSuccessful)
{
task.exception?.let {
throw it
progressDialog.dismiss()
}
}
return@Continuation fileRef.downloadUrl
}).addOnCompleteListener (OnCompleteListener<Uri> { task ->
if (task.isSuccessful)
{
val downloadUrl = task.result
urlProfile = downloadUrl.toString()
val ref = FirebaseDatabase.getInstance().reference.child("User")
val userMap = HashMap<String, Any>()
userMap["userName"] = bind.etNameEditProfile.text.toString()
userMap["bio"] = bind.etBioEditProfile.text.toString()
userMap["link"] = bind.etLinkEditProfile.text.toString()
userMap["profile_image"] = urlProfile
ref.child(firebaseUser.uid).updateChildren(userMap)
Toast.makeText(requireContext(), "Account Information has been updated successfully.", Toast.LENGTH_LONG).show()
activity?.onBackPressed()
progressDialog.dismiss()
}
else
{
progressDialog.dismiss()
}
} )
}
}
}
private fun updateUserInfoOnly(bind: FragmentEditProfileBinding) {
when {
TextUtils.isEmpty(bind.etNameEditProfile.text.toString()) -> Toast.makeText(requireContext(), "Please write Username first.", Toast.LENGTH_SHORT).show()
bind.etBioEditProfile.text.toString() == "" -> Toast.makeText(requireContext(), "Please write your bio first.", Toast.LENGTH_SHORT).show()
else -> {
val usersRef = FirebaseDatabase.getInstance().reference.child("User")
val userMap = HashMap<String, Any>()
userMap["userName"] = bind.etNameEditProfile.text.toString()
userMap["bio"] = bind.etBioEditProfile.text.toString()
userMap["link"] = bind.etLinkEditProfile.text.toString()
usersRef.child(firebaseUser.uid).updateChildren(userMap)
Toast.makeText(requireContext(), "Account Information has been updated successfully.", Toast.LENGTH_LONG).show()
activity?.onBackPressed()
}
}
}
private fun addBackgroundImage() {
checkerAddBackground = "background"
CropImage.activity()
.setAspectRatio(2, 1)
.start(requireContext(), this)
}
private fun addProfileImage() {
checkerAddProfile = "profile"
CropImage.activity()
.setAspectRatio(1, 1)
.start(requireContext(), this)
}
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?)
{
super.onActivityResult(requestCode, resultCode, data)
val bind = FragmentEditProfileBinding.inflate(layoutInflater)
if (requestCode == CropImage.CROP_IMAGE_ACTIVITY_REQUEST_CODE && resultCode == Activity.RESULT_OK && data != null && checkerAddProfile == "profile")
{
val result = CropImage.getActivityResult(data)
imageUriProfile = result.uri
bind.ivAddProfilePhoto.setImageURI(imageUriProfile)
}
if (requestCode == CropImage.CROP_IMAGE_ACTIVITY_REQUEST_CODE && resultCode == Activity.RESULT_OK && data != null && checkerAddBackground == "background")
{
val result = CropImage.getActivityResult(data)
imageUriBackground = result.uri
bind.ivAddBgEditProfile.setImageURI(imageUriBackground)
}
}
private fun userInfo(bind: FragmentEditProfileBinding) {
val firebaseUser = FirebaseAuth.getInstance().currentUser!!
val usersRef = FirebaseDatabase.getInstance().reference.child("User").child(firebaseUser.uid)
usersRef.addValueEventListener(object : ValueEventListener
{
override fun onDataChange(snapshot: DataSnapshot)
{
for (p0 in snapshot.children){
val userName = snapshot.child("userName").value.toString()
val bio = snapshot.child("bio").value.toString()
val link = snapshot.child("link").value.toString()
val profileImage = snapshot.child("profile_image").value.toString()
val backgroundImage = snapshot.child("background_image").value.toString()
bind.etNameEditProfile.setText(userName)
bind.etBioEditProfile.setText(bio)
bind.etLinkEditProfile.setText(link)
Glide.with(requireContext()).load(profileImage).into(bind.ivAddProfilePhoto)
Glide.with(requireContext()).load(backgroundImage).into(bind.ivAddBgEditProfile)
}
}
override fun onCancelled(p0: DatabaseError) {
}
})
}
}
请帮助我的代码。谢谢。