无法从 Firebase 存储下载文档文件
[英]Not able to download the document file from firebase storage
问题描述
My chat app is working fine but when I'm sending any pdf or document file it is successfully uploaded in firebase storage and database.
我的聊天应用程序运行良好，但是当我发送任何 pdf 或文档文件时，它已成功上传到 firebase 存储和数据库中。 But when I try to download the file, it gives an error No Activity found to handle Intent.但是当我尝试下载文件时，它给出了一个错误 No Activity found to handle Intent。
Message Adapter Code消息适配器代码
public class MessageAdapter extends RecyclerView.Adapter<MessageAdapter.MessageViewHolder>
{
private List<Messages> userMessagesList;
private FirebaseAuth mAuth;
private DatabaseReference usersRef;
public MessageAdapter(List<Messages> userMessagesList)
{
this.userMessagesList = userMessagesList;
}
public class MessageViewHolder extends RecyclerView.ViewHolder
{
public TextView senderMessageText, receiverMessageText;
public CircleImageView receiverProfileImage;
public ImageView messageSenderPicture, messageReceiverPicture;
public MessageViewHolder(@NonNull View itemView)
{
super(itemView);
senderMessageText = (TextView) itemView.findViewById(R.id.sender_message_text);
receiverMessageText = (TextView) itemView.findViewById(R.id.receiver_message_text);
receiverProfileImage = (CircleImageView) itemView.findViewById(R.id.message_profile_image);
messageReceiverPicture = itemView.findViewById(R.id.message_receiver_image_view);
messageSenderPicture = itemView.findViewById(R.id.message_sender_image_view);
}
}
@NonNull
@Override
public MessageViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i)
{
View view = LayoutInflater.from(viewGroup.getContext())
.inflate(R.layout.custom_messages_layout, viewGroup, false);
mAuth = FirebaseAuth.getInstance();
return new MessageViewHolder(view);
}
@Override
public void onBindViewHolder(@NonNull final MessageViewHolder messageViewHolder, final int position)
{
String messageSenderID = mAuth.getCurrentUser().getUid();
Messages messages = userMessagesList.get(position);
String fromUserID = messages.getFrom();
String fromMessageType = messages.getType();
usersRef = FirebaseDatabase.getInstance().getReference().child("Users").child(fromUserID);
usersRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot)
{
if (dataSnapshot.hasChild("image"))
{
String receiverImage = dataSnapshot.child("image").getValue().toString();
Picasso.get().load(receiverImage).placeholder(R.drawable.profile_image).into(messageViewHolder.receiverProfileImage);
}
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError)
{
}
});
messageViewHolder.receiverMessageText.setVisibility(View.GONE);
messageViewHolder.receiverProfileImage.setVisibility(View.GONE);
messageViewHolder.senderMessageText.setVisibility(View.GONE);
messageViewHolder.messageSenderPicture.setVisibility(View.GONE);
messageViewHolder.messageReceiverPicture.setVisibility(View.GONE);
if (fromMessageType.equals("text"))
{
if (fromUserID.equals(messageSenderID))
{
messageViewHolder.senderMessageText.setVisibility(View.VISIBLE);
messageViewHolder.senderMessageText.setBackgroundResource(R.drawable.sender_messages_layout);
messageViewHolder.senderMessageText.setTextColor(Color.BLACK);
messageViewHolder.senderMessageText.setText(messages.getMessage() + "\n \n" + messages.getTime() + " - " + messages.getDate());
}
else
{
messageViewHolder.receiverProfileImage.setVisibility(View.VISIBLE);
messageViewHolder.receiverMessageText.setVisibility(View.VISIBLE);
messageViewHolder.receiverMessageText.setBackgroundResource(R.drawable.receiver_messages_layout);
messageViewHolder.receiverMessageText.setTextColor(Color.BLACK);
messageViewHolder.receiverMessageText.setText(messages.getMessage() + "\n \n" + messages.getTime() + " - " + messages.getDate());
}
}
else if (fromMessageType.equals("image"))
{
if (fromUserID.equals(messageSenderID))
{
messageViewHolder.messageSenderPicture.setVisibility(View.VISIBLE);
Picasso.get().load(messages.getMessage()).into(messageViewHolder.messageSenderPicture);
}
else
{
messageViewHolder.receiverProfileImage.setVisibility(View.VISIBLE);
messageViewHolder.messageReceiverPicture.setVisibility(View.VISIBLE);
Picasso.get().load(messages.getMessage()).into(messageViewHolder.messageReceiverPicture);
}
}
else if (fromMessageType.equals("pdf") || fromMessageType.equals("docx"))
{
if (fromUserID.equals(messageSenderID))
{
messageViewHolder.messageSenderPicture.setVisibility(View.VISIBLE);
Picasso.get()
.load("https://firebasestorage.googleapis.com/v0/b/whatsapp-11072000.appspot.com/o/Image%20Files%2Ffile.png?alt=media&token=664c6fd5-89fb-41c8-9db9-85b825deea40")
.into(messageViewHolder.messageSenderPicture);
}
else
{
messageViewHolder.receiverProfileImage.setVisibility(View.VISIBLE);
messageViewHolder.messageReceiverPicture.setVisibility(View.VISIBLE);
Picasso.get()
.load("https://firebasestorage.googleapis.com/v0/b/whatsapp-11072000.appspot.com/o/Image%20Files%2Ffile.png?alt=media&token=664c6fd5-89fb-41c8-9db9-85b825deea40")
.into(messageViewHolder.messageReceiverPicture);
}
}
if (fromUserID.equals(messageSenderID))
{
messageViewHolder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view)
{
if (userMessagesList.get(position).getType().equals("pdf") || userMessagesList.get(position).getType().equals("docx"))
{
CharSequence options[] = new CharSequence[]
{
"Delete for Me",
"Download and View this Document",
"Cancel",
"Delete for Everyone"
};
AlertDialog.Builder builder = new AlertDialog.Builder(messageViewHolder.itemView.getContext());
builder.setTitle("Delete Message?");
builder.setItems(options, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i)
{
if (i == 0)
{
deleteSentMessage(position, messageViewHolder);
Intent intent = new Intent(messageViewHolder.itemView.getContext(), MainActivity.class);
messageViewHolder.itemView.getContext().startActivity(intent);
}
else if (i == 1)
{
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(userMessagesList.get(position).getMessage()));
messageViewHolder.itemView.getContext().startActivity(intent);
}
else if (i == 3)
{
deleteMessageForEveryone(position, messageViewHolder);
Intent intent = new Intent(messageViewHolder.itemView.getContext(), MainActivity.class);
messageViewHolder.itemView.getContext().startActivity(intent);
}
}
});
builder.show();
}
else if (userMessagesList.get(position).getType().equals("text"))
{
CharSequence options[] = new CharSequence[]
{
"Delete for Me",
"Cancel",
"Delete for Everyone"
};
AlertDialog.Builder builder = new AlertDialog.Builder(messageViewHolder.itemView.getContext());
builder.setTitle("Delete Message?");
builder.setItems(options, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i)
{
if (i == 0)
{
deleteSentMessage(position, messageViewHolder);
Intent intent = new Intent(messageViewHolder.itemView.getContext(), MainActivity.class);
messageViewHolder.itemView.getContext().startActivity(intent);
}
else if (i == 2)
{
deleteMessageForEveryone(position, messageViewHolder);
Intent intent = new Intent(messageViewHolder.itemView.getContext(), MainActivity.class);
messageViewHolder.itemView.getContext().startActivity(intent);
}
}
});
builder.show();
}
else if (userMessagesList.get(position).getType().equals("image"))
{
CharSequence options[] = new CharSequence[]
{
"Delete for Me",
"View this Image",
"Cancel",
"Delete for Everyone"
};
AlertDialog.Builder builder = new AlertDialog.Builder(messageViewHolder.itemView.getContext());
builder.setTitle("Delete Message?");
builder.setItems(options, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i)
{
if (i == 0)
{
deleteSentMessage(position, messageViewHolder);
Intent intent = new Intent(messageViewHolder.itemView.getContext(), MainActivity.class);
messageViewHolder.itemView.getContext().startActivity(intent);
}
else if (i == 1)
{
Intent intent = new Intent(messageViewHolder.itemView.getContext(), ImageViewerActivity.class);
intent.putExtra("url", userMessagesList.get(position).getMessage());
messageViewHolder.itemView.getContext().startActivity(intent);
}
else if (i == 3)
{
deleteMessageForEveryone(position, messageViewHolder);
Intent intent = new Intent(messageViewHolder.itemView.getContext(), MainActivity.class);
messageViewHolder.itemView.getContext().startActivity(intent);
}
}
});
builder.show();
}
}
});
}
else
{
messageViewHolder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view)
{
if (userMessagesList.get(position).getType().equals("pdf") || userMessagesList.get(position).getType().equals("docx"))
{
CharSequence options[] = new CharSequence[]
{
"Delete for Me",
"Download and View this Document",
"Cancel"
};
AlertDialog.Builder builder = new AlertDialog.Builder(messageViewHolder.itemView.getContext());
builder.setTitle("Delete Message?");
builder.setItems(options, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i)
{
if (i == 0)
{
deleteReceiveMessage(position, messageViewHolder);
Intent intent = new Intent(messageViewHolder.itemView.getContext(), MainActivity.class);
messageViewHolder.itemView.getContext().startActivity(intent);
}
else if (i == 1)
{
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(userMessagesList.get(position).getMessage()));
messageViewHolder.itemView.getContext().startActivity(intent);
}
}
});
builder.show();
}
else if (userMessagesList.get(position).getType().equals("text"))
{
CharSequence options[] = new CharSequence[]
{
"Delete for Me",
"Cancel"
};
AlertDialog.Builder builder = new AlertDialog.Builder(messageViewHolder.itemView.getContext());
builder.setTitle("Delete Message?");
builder.setItems(options, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i)
{
if (i == 0)
{
deleteReceiveMessage(position, messageViewHolder);
Intent intent = new Intent(messageViewHolder.itemView.getContext(), MainActivity.class);
messageViewHolder.itemView.getContext().startActivity(intent);
}
}
});
builder.show();
}
else if (userMessagesList.get(position).getType().equals("image"))
{
CharSequence options[] = new CharSequence[]
{
"Delete for Me",
"View this Image",
"Cancel"
};
AlertDialog.Builder builder = new AlertDialog.Builder(messageViewHolder.itemView.getContext());
builder.setTitle("Delete Message?");
builder.setItems(options, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i)
{
if (i == 0)
{
deleteReceiveMessage(position, messageViewHolder);
Intent intent = new Intent(messageViewHolder.itemView.getContext(), MainActivity.class);
messageViewHolder.itemView.getContext().startActivity(intent);
}
else if (i == 1)
{
Intent intent = new Intent(messageViewHolder.itemView.getContext(), ImageViewerActivity.class);
intent.putExtra("url", userMessagesList.get(position).getMessage());
messageViewHolder.itemView.getContext().startActivity(intent);
}
}
});
builder.show();
}
}
});
}
}
@Override
public int getItemCount()
{
return userMessagesList.size();
}
private void deleteSentMessage(final int position, final MessageViewHolder holder)
{
DatabaseReference rootRef = FirebaseDatabase.getInstance().getReference();
rootRef.child("Messages")
.child(userMessagesList.get(position).getFrom())
.child(userMessagesList.get(position).getTo())
.child(userMessagesList.get(position).getMessageID())
.removeValue().addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task)
{
if (task.isSuccessful())
{
Toast.makeText(holder.itemView.getContext(), "Deleted Successfully...", Toast.LENGTH_SHORT).show();
}
else
{
Toast.makeText(holder.itemView.getContext(), "Error Occurred", Toast.LENGTH_SHORT).show();
}
}
});
}
private void deleteReceiveMessage(final int position, final MessageViewHolder holder)
{
DatabaseReference rootRef = FirebaseDatabase.getInstance().getReference();
rootRef.child("Messages")
.child(userMessagesList.get(position).getTo())
.child(userMessagesList.get(position).getFrom())
.child(userMessagesList.get(position).getMessageID())
.removeValue().addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task)
{
if (task.isSuccessful())
{
Toast.makeText(holder.itemView.getContext(), "Deleted Successfully...", Toast.LENGTH_SHORT).show();
}
else
{
Toast.makeText(holder.itemView.getContext(), "Error Occurred", Toast.LENGTH_SHORT).show();
}
}
});
}
private void deleteMessageForEveryone(final int position, final MessageViewHolder holder)
{
final DatabaseReference rootRef = FirebaseDatabase.getInstance().getReference();
rootRef.child("Messages")
.child(userMessagesList.get(position).getTo())
.child(userMessagesList.get(position).getFrom())
.child(userMessagesList.get(position).getMessageID())
.removeValue().addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task)
{
if (task.isSuccessful())
{
rootRef.child("Messages")
.child(userMessagesList.get(position).getFrom())
.child(userMessagesList.get(position).getTo())
.child(userMessagesList.get(position).getMessageID())
.removeValue().addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task)
{
if (task.isSuccessful())
{
Toast.makeText(holder.itemView.getContext(), "Deleted Successfully...", Toast.LENGTH_SHORT).show();
}
}
});
}
else
{
Toast.makeText(holder.itemView.getContext(), "Error Occurred", Toast.LENGTH_SHORT).show();
}
}
});
}
}
Manifest file code清单文件代码
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="rishabh.example.whatsapp">
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".ImageViewerActivity"></activity>
<activity
android:name=".ChatActivity"
android:parentActivityName=".MainActivity" />
<activity android:name=".ProfileActivity" />
<activity android:name=".PhoneLoginActivity" />
<activity android:name=".GroupChatActivity" />
<activity
android:name=".SettingsActivity"
android:parentActivityName=".MainActivity" />
<activity android:name=".RegisterActivity" />
<activity android:name=".LoginActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".FindFriendsActivity"
android:parentActivityName=".MainActivity" />
<activity
android:name=".MainActivity">
</activity>
</application>
</manifest>
Error is throwing No Activity found to handle Intent on line错误抛出 No Activity found to handle Intent on line
messageViewHolder.itemView.getContext().startActivity(intent);
My logcat error is我的 logcat 错误是
android.content.ActivityNotFoundException: No Activity found to handle Intent { act=android.intent.action.VIEW dat=com.google.android.gms.tasks.zzu@8126f0 }
at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:2066)
at android.app.Instrumentation.execStartActivity(Instrumentation.java:1720)
at android.app.Activity.startActivityForResult(Activity.java:5258)
at androidx.fragment.app.FragmentActivity.startActivityForResult(FragmentActivity.java:676)
at android.app.Activity.startActivityForResult(Activity.java:5216)
at androidx.fragment.app.FragmentActivity.startActivityForResult(FragmentActivity.java:663)
at android.app.Activity.startActivity(Activity.java:5587)
at android.app.Activity.startActivity(Activity.java:5555)
at rishabh.example.whatsapp.MessageAdapter$3$1.onClick(MessageAdapter.java:317)
at com.android.internal.app.AlertController$AlertParams$3.onItemClick(AlertController.java:1222)
at android.widget.AdapterView.performItemClick(AdapterView.java:330)
at android.widget.AbsListView.performItemClick(AbsListView.java:1219)
at android.widget.AbsListView$PerformClick.run(AbsListView.java:3230)
at android.widget.AbsListView$3.run(AbsListView.java:4186)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:224)
at android.app.ActivityThread.main(ActivityThread.java:7592)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:950)
1 个解决方案
解决方案1
0 2020-11-17 23:32:46
First solution第一个解决方案
Url addresses must start with HTTP:// or HTTPS:// Url 地址必须以 HTTP:// 或 HTTPS:// 开头
So, check if your download URL is correct.因此，请检查您的下载 URL 是否正确。
Second solution第二种解决方案
Try to add this to manifest尝试将此添加到清单
<provider
android:name="com.google.firebase.provider.FirebaseInitProvider"
android:authorities="com.PACKAGE.NAME.firebaseinitprovider"
android:exported="false"
android:initOrder="100"/>
<service
android:name="com.google.firebase.components.ComponentDiscoveryService"
android:exported="false">
<meta-data android:name="com.google.firebase.components:com.google.firebase.storage.StorageRegistrar"
android:value="com.google.firebase.components.ComponentRegistrar"/>
</service>
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