我使用Firebase构建聊天应用程序，并且我想将多个图像发送到Firebase存储。
使用此库
编译'com.github.darsh2：MultipleImageSelect：3474549'
在顶部
private StorageReference storageRef;
private FirebaseApp app;
private FirebaseStorage storage;
onCreate（）方法
app = FirebaseApp.getInstance();
storage =FirebaseStorage.getInstance(app);
按钮单击动作
Gallary.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(ChatActivity.this, AlbumSelectActivity.class);
intent.putExtra(Constants.INTENT_EXTRA_LIMIT, 10);
startActivityForResult(intent, Constants.REQUEST_CODE);
pwindo1.dismiss();
}
});
活动结果
if (requestCode == Constants.REQUEST_CODE && resultCode == RESULT_OK) {
ArrayList<Image> images = data.getParcelableArrayListExtra(Constants.INTENT_EXTRA_IMAGES);
Uri uri = Uri.parse(String.valueOf(images));
storageRef = storage.getReference("photos");
final StorageReference photoRef = storageRef.child(uri.getLastPathSegment());
photoRef.putFile(uri)
.addOnSuccessListener(this, new OnSuccessListener<UploadTask.TaskSnapshot>() {
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
Uri downloadUrl = taskSnapshot.getDownloadUrl();
String content = downloadUrl.toString();
if (content.length() > 0) {
editWriteMessage.setText("");
Message newMessage = new Message();
newMessage.text = content;
newMessage.idSender = StaticConfig.UID;
newMessage.idReceiver = roomId;
newMessage.timestamp = System.currentTimeMillis();
FirebaseDatabase.getInstance().getReference().child("message/" + roomId).push().setValue(newMessage);
}
}
});
}
工作正常。
if (requestCode == Constants.REQUEST_CODE && resultCode == RESULT_OK) {
ArrayList<Image> images = data.getParcelableArrayListExtra(Constants.INTENT_EXTRA_IMAGES);
Uri[] uri=new Uri[images.size()];
for (int i =0 ; i < images.size(); i++) {
uri[i] = Uri.parse("file://"+images.get(i).path);
storageRef = storage.getReference("photos");
final StorageReference ref = storageRef.child(uri[i].getLastPathSegment());
ref.putFile(uri[i])
.addOnSuccessListener(this, new OnSuccessListener<UploadTask.TaskSnapshot>() {
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
Uri downloadUrl = taskSnapshot.getDownloadUrl();
String content = downloadUrl.toString();
if (content.length() > 0) {
editWriteMessage.setText("");
Message newMessage = new Message();
newMessage.text = content;
newMessage.idSender = StaticConfig.UID;
newMessage.idReceiver = roomId;
newMessage.timestamp = System.currentTimeMillis();
FirebaseDatabase.getInstance().getReference().child("message/" + roomId).push().setValue(newMessage);
}
}
});
}
}
还需要有关如何将多个图像上传到Firebase存储的帮助
public class RoadUpload extends AppCompatActivity
{
private Toolbar mToolbar;
private ProgressDialog loadingBar;
private ImageButton SelectPostImage;
private Button UpdatePostButton;
private EditText PostDescription,PostDescription1;
private static final int Gallery_Pick = 1;
private Uri ImageUri;
private String Description;
private String Description1;
private String myphone,myprice;
private Spinner myspinner;
private StorageReference PostsImagesRefrence;
private DatabaseReference UsersRef, PostsRef;
private FirebaseAuth mAuth;
private String saveCurrentDate, saveCurrentTime, postRandomName, downloadUrl, current_user_id;
private int countposts = 0;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_road_upload);
mToolbar = (Toolbar) findViewById(R.id.main_page_toolbar);
setSupportActionBar(mToolbar);
getSupportActionBar().setTitle("Upload Road Issues");
mToolbar = (Toolbar) findViewById(R.id.update_post_page_toolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setDisplayShowHomeEnabled(true);
mAuth = FirebaseAuth.getInstance();
current_user_id = mAuth.getCurrentUser().getUid();
PostsImagesRefrence = FirebaseStorage.getInstance().getReference();
UsersRef = FirebaseDatabase.getInstance().getReference().child("Users");
PostsRef = FirebaseDatabase.getInstance().getReference().child("roads");
SelectPostImage = (ImageButton) findViewById(R.id.imageButton);
UpdatePostButton = (Button) findViewById(R.id.update_post_button);
PostDescription =(EditText) findViewById(R.id.post_description);
PostDescription1 =(EditText) findViewById(R.id.post_description1);
loadingBar = new ProgressDialog(this);
/*
mToolbar = (Toolbar) findViewById(R.id.update_post_page_toolbar);
setSupportActionBar(mToolbar);
//getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setDisplayShowHomeEnabled(true);
getSupportActionBar().setTitle("Post New Product");
*/
SelectPostImage.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v)
{
OpenGallery();
}
});
UpdatePostButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v)
{
ValidatePostInfo();
}
});
}
private void ValidatePostInfo()
{
Description = PostDescription.getText().toString();
Description1 = PostDescription1.getText().toString();
if(ImageUri == null)
{
Toast.makeText(this, "Please select post image...", Toast.LENGTH_SHORT).show();
}else if(TextUtils.isEmpty(Description))
{
Toast.makeText(this, "Please say something about your product...", Toast.LENGTH_SHORT).show();
}
else if(TextUtils.isEmpty(Description1))
{
Toast.makeText(this, "Please state your location...", Toast.LENGTH_SHORT).show();
}
else
{
loadingBar.setTitle("Add New Post");
loadingBar.setMessage("Please wait, while we are updating your new post...");
loadingBar.show();
loadingBar.setCanceledOnTouchOutside(true);
StoringImageToFirebaseStorage();
}
}
private void StoringImageToFirebaseStorage()
{
Calendar calFordDate = Calendar.getInstance();
SimpleDateFormat currentDate = new SimpleDateFormat("dd-MMMM-yyyy");
saveCurrentDate = currentDate.format(calFordDate.getTime());
Calendar calFordTime = Calendar.getInstance();
SimpleDateFormat currentTime = new SimpleDateFormat("HH:mm");
saveCurrentTime = currentTime.format(calFordDate.getTime());
postRandomName = saveCurrentDate + saveCurrentTime;
StorageReference filePath = PostsImagesRefrence.child("Post Images").child(ImageUri.getLastPathSegment() + postRandomName + ".jpg" + ".png" + ".gif" + ".mp3" + ".mp4" + ".pdf" + ".doc" + ".xls" + ".xlsx");
filePath.putFile(ImageUri).addOnCompleteListener(new OnCompleteListener<UploadTask.TaskSnapshot>() {
@Override
public void onComplete(@NonNull Task<UploadTask.TaskSnapshot> task)
{
if(task.isSuccessful())
{
downloadUrl = task.getResult().getDownloadUrl().toString();
Toast.makeText(RoadUpload.this, "image uploaded successfully...", Toast.LENGTH_SHORT).show();
SavingPostInformationToDatabase();
}
else
{
String message = task.getException().getMessage();
Toast.makeText(RoadUpload.this, "Error occured: " + message, Toast.LENGTH_SHORT).show();
}
}
});
}
private void SavingPostInformationToDatabase()
{
PostsRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
if (dataSnapshot.exists()){
countposts= (int) dataSnapshot.getChildrenCount();
}else {
countposts = 0;
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
UsersRef.child(current_user_id).addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot)
{
if(dataSnapshot.exists())
{
String userFullName = dataSnapshot.child("fullname").getValue().toString();
String userProfileImage = dataSnapshot.child("profileimage").getValue().toString();
HashMap postsMap = new HashMap();
postsMap.put("uid", current_user_id);
postsMap.put("location", saveCurrentTime);
postsMap.put("date", saveCurrentDate);
postsMap.put("time", saveCurrentTime);
postsMap.put("description", Description);
postsMap.put("description1", Description1);
//postsMap.put("phone", myphone);
//postsMap.put("price", myprice);
postsMap.put("counter", countposts);
postsMap.put("postimage", downloadUrl);
postsMap.put("profileimage", userProfileImage);
postsMap.put("fullname", userFullName);
PostsRef.child(current_user_id + postRandomName).updateChildren(postsMap)
.addOnCompleteListener(new OnCompleteListener() {
@Override
public void onComplete(@NonNull Task task)
{
if(task.isSuccessful())
{
SendUserToMainActivity();
Toast.makeText(RoadUpload.this, "New Post is updated successfully.", Toast.LENGTH_SHORT).show();
loadingBar.dismiss();
}
else
{
Toast.makeText(RoadUpload.this, "Error Occured while updating your post.", Toast.LENGTH_SHORT).show();
loadingBar.dismiss();
}
}
});
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
private void OpenGallery()
{
Intent galleryIntent = new Intent();
galleryIntent.setAction(Intent.ACTION_GET_CONTENT);
galleryIntent.setType("image/*");
startActivityForResult(galleryIntent, Gallery_Pick);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
super.onActivityResult(requestCode, resultCode, data);
if(requestCode==Gallery_Pick && resultCode==RESULT_OK && data!=null)
{
ImageUri = data.getData();
SelectPostImage.setImageURI(ImageUri);
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item)
{
int id = item.getItemId();
if(id == android.R.id.home)
{
SendUserToMainActivity();
}
return super.onOptionsItemSelected(item);
}
private void SendUserToMainActivity()
{
Intent mainIntent = new Intent(RoadUpload.this, MainActivity.class);
startActivity(mainIntent);
}
}