`public class Upload_Images_Activity extends AppCompatActivity {
private static final int PICK_IMAGE_REQUEST=1;
private Button mButtonChooseImage;
private Button mButtonUpload;
private TextView mTextViewShowUploads;
private EditText mEditTextFileName;
private ImageView mImageView;
private ProgressBar mProgressbar;
private String MyUID, photoStringLink;
private TextView tvImageUri;
private Uri mImageUri;
private StorageReference mStorageRef;
private DatabaseReference mDatabaseRef;
private StorageTask mUploadTask;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_upload_images);
mButtonChooseImage = findViewById(R.id.btnChooseImage);
mButtonUpload = findViewById(R.id.btnUploadImage);
// mTextViewShowUploads = findViewById(R.id.tvShowUploads);
mEditTextFileName = findViewById(R.id.etImageName);
mImageView = findViewById(R.id.ivUploadedImage);
mProgressbar = findViewById(R.id.pbUploadingImage);
FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
MyUID = user.getUid();
mStorageRef = FirebaseStorage.getInstance().getReference(MyUID).child("General_Image_Posts");
mDatabaseRef = FirebaseDatabase.getInstance().getReference("General_Image_Posts").child(MyUID);
mButtonChooseImage.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
openFileChooser();
}
});
mButtonUpload.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (mUploadTask != null && mUploadTask.isInProgress()){
Toast.makeText(Upload_Images_Activity.this, "Upload in progress", Toast.LENGTH_SHORT).show();
}else
uploadFile();
}
});
/* mTextViewShowUploads.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
openImagesActivity();
}
});*/
}
private void openFileChooser() {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(intent, PICK_IMAGE_REQUEST);
}
@OverRide
protected void onActivityResult(int requestCode, int resultCode, @nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == PICK_IMAGE_REQUEST && resultCode == RESULT_OK && data != null &&data.getData() != null) {
mImageUri = data.getData();
Picasso.get().load(mImageUri).fit().centerCrop().into(mImageView);
}
}
private String getFileExtension(Uri uri) { //om extension van bestand te krijgen
ContentResolver cR = getContentResolver();
MimeTypeMap mime = MimeTypeMap.getSingleton();
return mime.getExtensionFromMimeType(cR.getType(uri));
}
private void uploadFile() {
if (mImageUri != null) {
StorageReference fileReference = mStorageRef.child(System.currentTimeMillis()+ "." + getFileExtension(mImageUri));
mUploadTask = fileReference.putFile(mImageUri)
.addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
@Override
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
mProgressbar.setProgress(0);
}
},500);
mImageView.setImageResource(0);
mImageUri = null;
Toast.makeText(Upload_Images_Activity.this, "Upload succesful", Toast.LENGTH_SHORT).show();
Upload upload = new Upload(mEditTextFileName.getText().toString().trim(),
taskSnapshot.**getDownloadUrl()**.toString());
String uploadId = mDatabaseRef.push().getKey();
mDatabaseRef.child(uploadId).setValue(upload);
mEditTextFileName.getText().clear();
}
})
.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
Toast.makeText(Upload_Images_Activity.this, e.getMessage(), Toast.LENGTH_SHORT).show();
}
})
.addOnProgressListener(new OnProgressListener<UploadTask.TaskSnapshot>() {
@Override
public void onProgress(@NonNull UploadTask.TaskSnapshot taskSnapshot) {
double progress = (100.0* taskSnapshot.getBytesTransferred() / taskSnapshot.getTotalByteCount());
mProgressbar.setProgress((int) progress);
}
});}
else {
Toast.makeText(this, "No file selected", Toast.LENGTH_LONG).show();
}
}
}
`
`public class Upload_Images_Activity extends AppCompatActivity {
@OverRide
protected void onActivityResult(int requestCode, int resultCode, @nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
}
`