Java 是否可以同时将多个文件上载到firebase存储
******编辑****** 事实证明,您可以在一个实例中上载多个文件。我使用了下面的代码。所有文件都上载,但由于某些原因,在应用程序中,它在上载的项目回收视图中仅显示一个项目。有人能通过n pehaps快速检查一下吗?请解释一下原因 recycle_item.xmlJava 是否可以同时将多个文件上载到firebase存储,java,android,firebase,firebase-storage,Java,Android,Firebase,Firebase Storage,******编辑****** 事实证明,您可以在一个实例中上载多个文件。我使用了下面的代码。所有文件都上载,但由于某些原因,在应用程序中,它在上载的项目回收视图中仅显示一个项目。有人能通过n pehaps快速检查一下吗?请解释一下原因 recycle_item.xml android:layout_height="match_parent" xmlns:app="http://schemas.android.com/apk/res-auto"> <LinearLayout
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:orientation="horizontal"
android:padding="10dp"
android:weightSum="10">
<ImageView
android:id="@+id/upload_icon"
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_weight="2"
android:src="@drawable/ic_attach_file_black_24dp"/>
<TextView
android:id="@+id/upload_filename"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_weight="6"
android:gravity="center_vertical"
android:text="Filename.type"
android:textSize="16sp" />
最后是适配器类
public List<String> fileNameList;
public List<String> fileDoneList;
public UploadListAdapter(List<String> fileNameList, List<String>fileDoneList){
this.fileDoneList = fileDoneList;
this.fileNameList = fileNameList;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.recycle_item, parent, false);
return new ViewHolder(v);
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
String fileName = fileNameList.get(position);
holder.fileNameView.setText(fileName);
String fileDone = fileDoneList.get(position);
if(fileDone.equals("uploading")){
holder.fileDoneView.setImageResource(R.drawable.progress);
} else {
holder.fileDoneView.setImageResource(R.drawable.checked);
}
}
@Override
public int getItemCount() {
return fileNameList.size();
}
public class ViewHolder extends RecyclerView.ViewHolder {
View mView;
public TextView fileNameView;
public ImageView fileDoneView;
public ViewHolder(View itemView) {
super(itemView);
mView = itemView;
fileNameView = (TextView) mView.findViewById(R.id.upload_filename);
fileDoneView = (ImageView) mView.findViewById(R.id.upload_loading);
}
}
}
公共列表文件名列表;
公共列表文件管理员;
公共上载ListAdapter(列表文件名列表、ListfileDoneList){
this.fileDoneList=fileDoneList;
this.fileNameList=fileNameList;
}
@凌驾
public ViewHolder onCreateViewHolder(视图组父级,int-viewType){
视图v=LayoutInflater.from(parent.getContext()).flate(R.layout.recycle_项,parent,false);
返回新的视图持有者(v);
}
@凌驾
公共无效onBindViewHolder(ViewHolder,int位置){
字符串文件名=fileNameList.get(位置);
holder.fileNameView.setText(文件名);
字符串fileDone=fileDoneList.get(位置);
if(fileDone.equals(“上载”)){
holder.fileDoneView.setImageResource(R.drawable.progress);
}否则{
holder.fileDoneView.setImageResource(R.drawable.checked);
}
}
@凌驾
public int getItemCount(){
返回fileNameList.size();
}
公共类ViewHolder扩展了RecyclerView.ViewHolder{
视图视图;
公共文本视图文件名视图;
公共图像视图文件doneview;
公共视图持有者(视图项视图){
超级(项目视图);
mView=项目视图;
fileNameView=(TextView)mView.findviewbyd(R.id.upload\u文件名);
fileDoneView=(ImageView)mView.findviewbyd(R.id.upload\u加载);
}
}
}
没有用于发送批次的内容。然而,你可以直接,尽管有点牵扯其中
如果您想走这条路,首先需要知道的是Firebase存储“bucket”的id。如前所述,您可以只获取bucket名称,而不使用gs://
,并将其传递到GCS资源中
例如,如果我的bucket是gs://kato sandbox.appspot.com
,那么我使用kato sandbox.appspot.com
要在Firebase中查找您的bucket名称,请访问并查看列出的URL
public String getFileName(Uri uri) {
String result = null;
if (uri.getScheme().equals("content")) {
Cursor cursor = getContentResolver().query(uri, null, null, null,
null);
try {
if (cursor != null && cursor.moveToFirst()) {
result =
cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
}
} finally {
cursor.close();
}
}
if (result == null) {
result = uri.getPath();
int cut = result.lastIndexOf('/');
if (cut != -1) {
result = result.substring(cut + 1);
}
}
return result;
}
public List<String> fileNameList;
public List<String> fileDoneList;
public UploadListAdapter(List<String> fileNameList, List<String>fileDoneList){
this.fileDoneList = fileDoneList;
this.fileNameList = fileNameList;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.recycle_item, parent, false);
return new ViewHolder(v);
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
String fileName = fileNameList.get(position);
holder.fileNameView.setText(fileName);
String fileDone = fileDoneList.get(position);
if(fileDone.equals("uploading")){
holder.fileDoneView.setImageResource(R.drawable.progress);
} else {
holder.fileDoneView.setImageResource(R.drawable.checked);
}
}
@Override
public int getItemCount() {
return fileNameList.size();
}
public class ViewHolder extends RecyclerView.ViewHolder {
View mView;
public TextView fileNameView;
public ImageView fileDoneView;
public ViewHolder(View itemView) {
super(itemView);
mView = itemView;
fileNameView = (TextView) mView.findViewById(R.id.upload_filename);
fileDoneView = (ImageView) mView.findViewById(R.id.upload_loading);
}
}
}