我正在使用多视图类型RecyclerView，并且标题应显示月份和年份的名称，并且在我使用Glide从图库加载图像的项目中还要显示。首先，我希望在每个标题上显示月份和年份的名称，然后图像应仅属于该特定月份和年份。
我希望我的多视图看起来像这样
Screenshot
这是我的代码
GalleryAdapter.java
package com.jumptotv.adapter;
import android.app.Dialog;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.provider.MediaStore;
import android.provider.Settings;
import android.support.v4.app.FragmentActivity;
import android.support.v4.content.CursorLoader;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.webkit.MimeTypeMap;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.bumptech.glide.Glide;
import com.jumptotv.GlideApp;
import com.jumptotv.R;
import com.jumptotv.model.HeaderModel;
import com.jumptotv.model.Movie;
import com.jumptotv.view.activity.FullScreenActivity;
import com.jumptotv.view.activity.MainActivity;
import com.jumptotv.view.activity.VideoActivity;
import com.jumptotv.view.activity.VideoPlayActivity;
import com.jumptotv.view.fragment.GalleryFragment;
import java.io.File;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.List;
public class GalleryAdapter2 extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
Context context;
private List<HeaderModel> moviesList;
private ArrayList<String> imageData;
final int HEADER = 0;
final int ITEMS = 1;
int n = 0;
String sort[];
String month[] = {"DAY", "TODAY", "SEP 1", "SEP 2", "SEP 3", "OCT 2018", "NOV 2018", "DEC 2018", "JAN 2017", "FEB 2017"};
public GalleryAdapter2(ArrayList<String> imageData, Context context, List<HeaderModel> moviesList) {
this.imageData = imageData;
this.context = context;
this.moviesList = moviesList;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view;
if (viewType == HEADER) {
view = LayoutInflater.from(context).inflate(R.layout.header_type_layout, parent, false);
return new Header2(view);
} else if (viewType == ITEMS) {
view = LayoutInflater.from(context).inflate(R.layout.grid_type_layout, parent, false);
return new MyViewHolde(view);
}
throw new RuntimeException("No match found");
}
@Override
public int getItemViewType(int position) {
int viewType = ITEMS; //Default is 1
if (position % 16 == 0) {
viewType = HEADER;
}
//return position;
//if zero, it will be a header view
return viewType;
}
private String getItem(int position)
{
return imageData.get(position);
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {
final int itemType = getItemViewType(position);
switch (holder.getItemViewType()) {
case 1:
final String data = imageData.get(position);
String data2 = GalleryAdapter2.getMimeType(data);
if (data != null) {
if (data2.equals("jpg") || (data2.equals("png")) || (data2.equals("tif")) || (data2.equals("gif"))) {
((MyViewHolde) holder).play.setVisibility(View.GONE);
GlideApp.with(context)
.load(data)
.placeholder(R.drawable.gallery_39)
.into(((MyViewHolde) holder).singleImageView);
((MyViewHolde) holder).singleImageView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(context, FullScreenActivity.class);
intent.putExtra(FullScreenActivity.IMAGE_POSITION, position);
context.startActivity(intent);
}
});
} else if (data2.equals("mkv") || (data2.equals("flv")) || (data2.equals("mov")) || (data2.equals("mp4")) || (data2.equals("3gp")) || (data2.equals("wmv")) || (data2.equals("mpg") || (data2.equals("avc")) || (data2.equals("UNKNOWN")))) {
Glide.with(context).load(data).into(((MyViewHolde) holder).singleImageView);
((MyViewHolde) holder).play.setVisibility(View.VISIBLE);
((MyViewHolde) holder).play.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(context, VideoPlayActivity.class);
intent.putExtra("video_url", data);
intent.putExtra(VideoPlayActivity.VIDEO_POSITION, position);
context.startActivity(intent);
}
});
}
} else {
}
break;
case 0:
n++;
if(n==10)
{
n=6;
n++;
}
((Header2) holder).textView.setText(month[n]);
break;
//Header2 header2=new Header2(View itemView);
// bindHeaderItem(,position);
//((Header2) holder).textView.setText(month[n]);
/*if(position==0)
{
n=n+1;
}
*/
}
}
@Override
public int getItemCount() {
return imageData.size();
}
public boolean isHeader(int position) {
return position == 0;
}
public static String getMimeType(String url) {
Uri uri = Uri.parse(url);
String extension = MimeTypeMap.getFileExtensionFromUrl(uri.getPath());
return extension;
}
public class MyViewHolde extends RecyclerView.ViewHolder {
ImageView singleImageView, play;
public MyViewHolde(View itemView) {
super(itemView);
singleImageView = (ImageView) itemView.findViewById(R.id.gallery);
play = (ImageView) itemView.findViewById(R.id.play_video2);
}
}
public class Header2 extends RecyclerView.ViewHolder {
TextView textView;
public Header2(View itemView) {
super(itemView);
textView = (TextView) itemView.findViewById(R.id.headerTitle);
// textView.setText(month[n]);
}
}
private void bindHeaderItem(Header2 holder, int position) {
TextView title = (TextView) holder.textView.findViewById(R.id.headerTitle);
title.setText(moviesList.get(position).getTitle());
}
}
GalleryFragment
package com.jumptotv.view.fragment;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Looper;
import android.provider.MediaStore;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.content.CursorLoader;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.jumptotv.R;
import com.jumptotv.Utility;
import com.jumptotv.adapter.GalleryAdapter;
import com.jumptotv.adapter.GalleryAdapter2;
import com.jumptotv.model.HeaderModel;
import com.jumptotv.model.Model_Video;
import com.jumptotv.model.Movie;
import com.jumptotv.view.activity.FullScreenActivity;
import com.jumptotv.view.activity.VideoActivity;
import org.w3c.dom.Text;
import java.util.ArrayList;
import java.util.List;
public class GalleryFragment extends Fragment {
public GalleryFragment() {
}
private Context context;
private List<HeaderModel> movieList = new ArrayList<>();
private RecyclerView recyclerView;
ArrayList<String> imageData;
GalleryAdapter2 adapter;
ImageView gallery,play,back_button;
String title;
Button play_video;
Uri uri;
TextView header;
Cursor cursor;
int column_index_data=0, column_index_folder_name;
ArrayList<String> listOfAllImages = new ArrayList<String>();
String absolutePathOfImage = null;
String month[] = {"TODAY", "SEP 1", "SEP 2","SEP 3","OCT 2018,NOV 2018,DEC 2018,JAN 2017,FEB 2017"};
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_gallery, container, false);
context = getActivity();
HeaderModel headerModel =new HeaderModel("TODAY");
movieList.add(headerModel);
headerModel =new HeaderModel("Tomorrow");
movieList.add(headerModel);
headerModel =new HeaderModel("Tomorrow1");
movieList.add(headerModel);
headerModel =new HeaderModel("Tomorrow2");
movieList.add(headerModel);
headerModel =new HeaderModel("Tomorrow3");
movieList.add(headerModel);
headerModel =new HeaderModel("Tomorro4");
movieList.add(headerModel);
headerModel =new HeaderModel("Tomorrow5");
movieList.add(headerModel);
recyclerView = (RecyclerView) view.findViewById(R.id.recyclerViewList);
recyclerView.setHasFixedSize(true);
back_button=(ImageButton)view.findViewById(R.id.back_arrow);
back_button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Fragment someFragment = new FileFragment();
FragmentTransaction transaction = getFragmentManager().beginTransaction();
transaction.replace(R.id.main_frame, someFragment ); // give your fragment container id in first parameter
transaction.addToBackStack(null); // if written, this transaction will be added to backstack
transaction.commit();
}
});
header=(TextView)view.findViewById(R.id.see_all);
final View view2 = inflater.inflate(R.layout.grid_type_layout, container, false);
Bundle bundle = this.getArguments();
if(bundle != null) {
title = bundle.get("key").toString();
}
gallery=(ImageView)view2.findViewById(R.id.gallery);
gallery.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(context, "Hello", Toast.LENGTH_SHORT).show();
}
});
GridLayoutManager layoutManager = new GridLayoutManager(getActivity(), 3);
layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
@Override
public int getSpanSize(int position) {
return (position %16 == 0) ? 3 : 1;
}
});
recyclerView.setLayoutManager(layoutManager);
MyTask myTask = new MyTask();
myTask.execute();
return view;
}
private class MyTask extends AsyncTask<Void, Void, Void> {
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected Void doInBackground(Void... params) {
boolean flag = Utility.checkReadStoragePermission(getActivity(),GalleryFragment.this);
if (flag) {
imageData= getAllShownImagesPath(getActivity());
Log.e("imageData: ", String.valueOf(imageData.size()));
}
return null;
}
@Override
protected void onPostExecute(Void aVoid) {
super.onPostExecute(aVoid);
adapter = new GalleryAdapter2(imageData,getActivity(),movieList);
recyclerView.setAdapter(adapter);
}
}
private ArrayList<String> getAllShownImagesPath(Activity activity) {
if(title.equals("All Photos"))
{
// header.setText("All Photos");
uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
String[] projection = {MediaStore.MediaColumns.DATA,
MediaStore.Images.Media.BUCKET_DISPLAY_NAME};
final String orderBy = MediaStore.Images.Media.DATE_TAKEN;
cursor = getActivity().getContentResolver().query(uri, projection, null, null, orderBy + " DESC");
column_index_data = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.DATA);
column_index_folder_name = cursor
.getColumnIndexOrThrow(MediaStore.Images.Media.BUCKET_DISPLAY_NAME);
while (cursor.moveToNext()) {
absolutePathOfImage = cursor.getString(column_index_data);
listOfAllImages.add(absolutePathOfImage);
}
}
else if(title.equals("All Videos"))
{
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
header.setText(title);
// Stuff that updates the UI
}
});
//header.setText("All Videos");
int column_id,thum;
uri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
String[] projection = {MediaStore.MediaColumns.DATA, MediaStore.Video.Media.BUCKET_DISPLAY_NAME,MediaStore.Video.Media._ID,MediaStore.Video.Thumbnails.DATA};
final String orderBy = MediaStore.Images.Media.DATE_ADDED;
cursor = getActivity().getContentResolver().query(uri, projection, null, null, orderBy + " DESC");
column_index_data = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.DATA);
column_index_folder_name = cursor.getColumnIndexOrThrow(MediaStore.Video.Media.BUCKET_DISPLAY_NAME);
column_id = cursor.getColumnIndexOrThrow(MediaStore.Video.Media._ID);
thum = cursor.getColumnIndexOrThrow(MediaStore.Video.Thumbnails.DATA);
while (cursor.moveToNext()) {
absolutePathOfImage = cursor.getString(column_index_data);
Log.e("Column", absolutePathOfImage);
Log.e("Folder", cursor.getString(column_index_folder_name));
Log.e("column_id", cursor.getString(column_id));
Log.e("thum", cursor.getString(thum));
listOfAllImages.add(absolutePathOfImage);
}
}
else if(title.equals("All Files")){
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
header.setText(title);
String[] projection = {
MediaStore.Files.FileColumns._ID,
MediaStore.Files.FileColumns.DATA,
MediaStore.Files.FileColumns.DATE_ADDED,
MediaStore.Files.FileColumns.MEDIA_TYPE,
MediaStore.Files.FileColumns.MIME_TYPE,
MediaStore.Files.FileColumns.TITLE
}; // used for query ContentResolver for mediafiles
String selection = MediaStore.Files.FileColumns.MEDIA_TYPE + "="
+ MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE
+ " OR "
+ MediaStore.Files.FileColumns.MEDIA_TYPE + "="
+ MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO; // used to select images and videos from contentResolver
Uri queryUri = MediaStore.Files.getContentUri("external");
CursorLoader cursorLoader = new CursorLoader(getActivity(),queryUri, projection, selection, null, MediaStore.Files.FileColumns.DATE_ADDED + " DESC");
cursor = cursorLoader.loadInBackground();
column_index_data = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.DATA);
while (cursor.moveToNext()) {
absolutePathOfImage = cursor.getString(column_index_data);
listOfAllImages.add(absolutePathOfImage);
}
}
});
}
return listOfAllImages;
}
}