import android.app.Activity;
import android.app.Dialog;
import android.graphics.Typeface;
import android.os.Environment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.LinearLayout;
import android.widget.TextView;
import java.io.File;
import java.util.ArrayList;
/**
* Created by Javad on 2019-11-28 at 4:43 PM.
*/
public class FileSelector {
private Activity context;
private String[] extensions;
private ArrayList<SelectedFile> itemsData = new ArrayList<>();
public static final String MP4 = ".mp4", MP3 = ".mp3", JPG = ".jpg", JPEG = ".jpeg", PNG = ".png", DOC = ".doc", DOCX = ".docx", XLS = ".xls", XLSX = ".xlsx", PDF = ".pdf";
public FileSelector(Activity context, String[] extensions) {
this.context = context;
this.extensions = extensions;
}
public interface OnSelectListener {
void onSelect(String path);
}
public void selectFile(OnSelectListener listener) {
String sdCard = Environment.getExternalStorageDirectory().getAbsolutePath();
listOfFile(new File(sdCard));
dialogFileList(listener);
}
private void listOfFile(File dir) {
File[] list = dir.listFiles();
for (File file : list) {
if (file.isDirectory()) {
if (!new File(file, ".nomedia").exists() && !file.getName().startsWith(".")) {
Log.w("LOG", "IS DIR " + file);
listOfFile(file);
}
} else {
String path = file.getAbsolutePath();
for (String ext : extensions) {
if (path.endsWith(ext)) {
SelectedFile selectedFile = new SelectedFile();
selectedFile.path = path;
String[] split = path.split("/");
selectedFile.name = split[split.length - 1];
itemsData.add(selectedFile);
Log.i("LOG", "ADD " + selectedFile.path + " " + selectedFile.name);
}
}
}
}
Log.d("LOG", itemsData.size() + " DONE");
}
private void dialogFileList(OnSelectListener listener) {
LinearLayout lytMain = new LinearLayout(context);
lytMain.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
lytMain.setOrientation(LinearLayout.VERTICAL);
int p = convertToPixels(12);
lytMain.setPadding(p, p, p, p);
lytMain.setGravity(Gravity.CENTER);
TextView textView = new TextView(context);
textView.setLayoutParams(new LinearLayout.LayoutParams(screenWidth(), ViewGroup.LayoutParams.WRAP_CONTENT));
textView.setText("JDM File Selecor");
RecyclerView recyclerView = new RecyclerView(context);
lytMain.addView(textView);
lytMain.addView(recyclerView);
final Dialog dialog = new Dialog(context);
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
// dialog.getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT));
dialog.setContentView(lytMain);
dialog.setCancelable(true);
dialog.show();
AdapterFile adapter = new AdapterFile(dialog, listener, itemsData);
recyclerView.setAdapter(adapter);
LinearLayoutManager LayoutManager = new LinearLayoutManager(context);
LayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
recyclerView.setLayoutManager(LayoutManager);
}
private int convertToPixels(int dp) {
float scale = context.getResources().getDisplayMetrics().density;
return (int) (dp * scale + 0.5f);
}
private int screenWidth() {
return context.getResources().getDisplayMetrics().widthPixels;
}
private class SelectedFile {
public String path = "";
public String name = "";
}
private class AdapterFile extends RecyclerView.Adapter<AdapterFile.ViewHolder> {
private ArrayList<SelectedFile> itemsData;
private OnSelectListener listener;
private Dialog dialog;
public AdapterFile(Dialog dialog, OnSelectListener listener, ArrayList<SelectedFile> itemsData) {
this.itemsData = itemsData;
this.listener = listener;
this.dialog = dialog;
}
// Create new views (invoked by the layout manager)
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
LinearLayout linearLayout = new LinearLayout(context);
linearLayout.setOrientation(LinearLayout.VERTICAL);
TextView txtName = new TextView(context);
TextView txtPath = new TextView(context);
txtPath.setTypeface(txtPath.getTypeface(), Typeface.ITALIC);
txtPath.setTextSize(TypedValue.COMPLEX_UNIT_SP, 11);
linearLayout.addView(txtName);
linearLayout.addView(txtPath);
ViewHolder viewHolder = new ViewHolder(linearLayout);
return viewHolder;
}
// inner class to hold a reference to each item of RecyclerView
public class ViewHolder extends RecyclerView.ViewHolder {
public LinearLayout linearLayout;
public TextView txtName;
public TextView txtPath;
public ViewHolder(View itemLayoutView) {
super(itemLayoutView);
linearLayout = (LinearLayout) itemLayoutView;
txtName = (TextView) linearLayout.getChildAt(0);
txtPath = (TextView) linearLayout.getChildAt(1);
}
}
@Override
public int getItemCount() {
return itemsData.size();
}
@Override
public void onBindViewHolder(ViewHolder viewHolder, final int position) {
final SelectedFile selectedFile = itemsData.get(position);
viewHolder.txtName.setText(selectedFile.name);
viewHolder.txtPath.setText(selectedFile.path);
viewHolder.linearLayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
listener.onSelect(selectedFile.path);
}
});
}
}
}
new FileSelector(this, new String[]{FileSelector.XLS, FileSelector.XLSX}).selectFile(new FileSelector.OnSelectListener() {
@Override
public void onSelect(String path) {
G.toast(path);
}
});
findViewById(android.R.id.content).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
new FileSelector(ActivitySplash.this, new String[]{FileSelector.PNG}).selectFile(new FileSelector.OnSelectListener() {
@Override
public void onSelect(String path) {
G.toast(path);
}
});
}
});