正在查看： St.John's v1.0.9 应用的 FilePickerActivity.java JAVA 源代码文件
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St.John's v1.0.9 - FilePickerActivity.java 源代码
package com.mcb.stjohnsemschool.activity;
import android.app.Activity;
import android.app.Dialog;
import android.content.ClipData;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.SearchView;
import androidx.core.view.MenuItemCompat;
import com.mcb.stjohnsemschool.adapter.FilesInStorageAdapter;
import com.mcb.stjohnsemschool.interfaces.SetSelectedFileCountInterface;
import com.mcb.stjohnsemschool.model.FileInStorageModel;
import com.mcb.stjohnsemschool.utils.FileUtils;
import com.mcb.stjohnsemschool.utils.TransparentProgressDialog;
import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
public class FilePickerActivity extends AppCompatActivity implements SetSelectedFileCountInterface, SearchView.OnQueryTextListener {
private Activity activity;
private TextView mBrowse;
private ListView mFiles;
private TextView mNoData;
private TextView mNoFilesSelected;
private TransparentProgressDialog mProgressbar;
private MenuItem saveMenuItem;
private int selectedFilterPos;
SetSelectedFileCountInterface setSelectedFileCountInterface;
private ArrayList<FileInStorageModel> files = new ArrayList<>();
private ArrayList<FileInStorageModel> filesDup = new ArrayList<>();
private ArrayList<String> filePaths = new ArrayList<>();
private boolean allowMultiple = false;
private boolean isFromBrowse = false;
public boolean onQueryTextSubmit(String str) {
return false;
}
protected void onCreate(Bundle bundle) {
super.onCreate(bundle);
setContentView(R.layout.activity_file_picker);
this.setSelectedFileCountInterface = this;
this.activity = this;
getSupportActionBar().setTitle("Select Files");
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
this.mBrowse = (TextView) findViewById(R.id.txv_browse);
this.mFiles = (ListView) findViewById(R.id.lst_files);
this.mNoData = (TextView) findViewById(R.id.txv_no_data);
this.mNoFilesSelected = (TextView) findViewById(R.id.txv_no_of_files_selected);
this.mProgressbar = new TransparentProgressDialog(this, R.drawable.spinner_loading_imag);
Bundle extras = getIntent().getExtras();
this.filePaths = extras.getStringArrayList("AlreadySelectedFilePaths");
this.allowMultiple = extras.getBoolean("ALLOW_MULTIPLE", false);
setSaveButtonVisibility();
this.mNoFilesSelected.setText(this.filePaths.size() + " Files Selected");
this.mBrowse.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent("android.intent.action.OPEN_DOCUMENT");
intent.addCategory("android.intent.category.OPENABLE");
intent.setType("*/*");
intent.putExtra("android.intent.extra.ALLOW_MULTIPLE", FilePickerActivity.this.allowMultiple);
FilePickerActivity.this.startActivityForResult(intent, 200);
}
});
new GetFiles().execute(new String[0]);
}
public class GetFiles extends AsyncTask<String, String, String> {
public GetFiles() {
}
@Override
protected void onPreExecute() {
FilePickerActivity.this.mProgressbar.show();
}
@Override
public String doInBackground(String... strArr) {
try {
ArrayList allFiles = FilePickerActivity.this.getAllFiles();
ArrayList allImages = FilePickerActivity.this.getAllImages();
FilePickerActivity.this.files.clear();
FilePickerActivity.this.files.addAll(allFiles);
FilePickerActivity.this.files.addAll(allImages);
Collections.sort(FilePickerActivity.this.files);
FilePickerActivity.this.filesDup.clear();
FilePickerActivity.this.filesDup.addAll(FilePickerActivity.this.files);
return null;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
@Override
public void onPostExecute(String str) {
if (FilePickerActivity.this.mProgressbar != null && FilePickerActivity.this.mProgressbar.isShowing()) {
FilePickerActivity.this.mProgressbar.dismiss();
}
FilePickerActivity.this.addDataToView();
}
}
public ArrayList<FileInStorageModel> getAllFiles() {
ArrayList<FileInStorageModel> arrayList = new ArrayList<>();
try {
Cursor query = getContentResolver().query(MediaStore.Files.getContentUri("external"), new String[]{"_data", "date_added", "_size"}, "media_type!=1 AND media_type!=3", null, "date_added DESC");
if (query != null) {
while (query.moveToNext()) {
String string = query.getString(query.getColumnIndexOrThrow("_data"));
long j = query.getLong(query.getColumnIndexOrThrow("_size"));
if (string != null && j > 0) {
File file = new File(string);
String supportedPath = getSupportedPath(string);
if (supportedPath != null && supportedPath.length() > 0 && !file.isDirectory() && file.exists()) {
long j2 = query.getLong(query.getColumnIndexOrThrow("date_added"));
String substring = supportedPath.substring(supportedPath.lastIndexOf("/") + 1);
String substring2 = substring.substring(substring.lastIndexOf(".") + 1);
FileInStorageModel fileInStorageModel = new FileInStorageModel();
fileInStorageModel.setFilePath(supportedPath);
fileInStorageModel.setFileName(substring);
fileInStorageModel.setExtension(substring2);
fileInStorageModel.setDateTime(j2);
fileInStorageModel.setSize(j);
arrayList.add(fileInStorageModel);
}
}
}
query.close();
}
} catch (Exception e) {
e.printStackTrace();
}
return arrayList;
}
private String getSupportedPath(String str) {
String[] strArr = {".pdf", ".doc", ".docx", ".xls", ".xlsx", ".avi", ".mp4", ".m4p", ".m4v", ".wmv", ".mov", ".webm", ".mpg", ".mp2", ".mpeg", ".mpe", ".mpv", ".ogg", ".flv", ".mkv", ".epub", ".ppt", ".pptx"};
for (int i = 0; i < 23; i++) {
if (str.toLowerCase().endsWith(strArr[i])) {
return str;
}
}
return null;
}
public ArrayList<FileInStorageModel> getAllImages() {
ArrayList<FileInStorageModel> arrayList = new ArrayList<>();
try {
Cursor query = getContentResolver().query(MediaStore.Files.getContentUri("external"), null, "media_type=1", null, "_id DESC");
if (query != null) {
while (query.moveToNext()) {
String string = query.getString(query.getColumnIndexOrThrow("_data"));
long j = query.getLong(query.getColumnIndexOrThrow("_size"));
if (string != null && j > 0) {
File file = new File(string);
if (!string.toLowerCase().endsWith("gif") && !file.isDirectory() && file.exists()) {
long j2 = query.getLong(query.getColumnIndexOrThrow("date_added"));
String substring = string.substring(string.lastIndexOf("/") + 1);
String substring2 = substring.substring(substring.lastIndexOf(".") + 1);
FileInStorageModel fileInStorageModel = new FileInStorageModel();
fileInStorageModel.setFilePath(string);
fileInStorageModel.setFileName(substring);
fileInStorageModel.setExtension(substring2);
fileInStorageModel.setDateTime(j2);
fileInStorageModel.setSize(j);
arrayList.add(fileInStorageModel);
}
}
}
query.close();
}
} catch (Exception e) {
e.printStackTrace();
}
return arrayList;
}
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_search_save_sort, menu);
this.saveMenuItem = menu.findItem(R.id.save_activity);
setSaveButtonVisibility();
MenuItemCompat.getActionView(menu.findItem(R.id.menu_search)).setOnQueryTextListener(this);
return true;
}
private void setSaveButtonVisibility() {
if (this.saveMenuItem != null) {
if (this.filePaths.size() > 0) {
this.saveMenuItem.setVisible(true);
} else {
this.saveMenuItem.setVisible(false);
}
}
}
public boolean onOptionsItemSelected(MenuItem menuItem) {
int itemId = menuItem.getItemId();
if (itemId == 16908332) {
onBackPressed();
} else if (itemId == 2131361888) {
onCreateDialogSingleChoice().show();
} else if (itemId == 2131363540) {
this.isFromBrowse = false;
uploadSelectedFiles();
}
return super.onOptionsItemSelected(menuItem);
}
public Dialog onCreateDialogSingleChoice() {
AlertDialog.Builder builder = new AlertDialog.Builder(this.activity);
builder.setTitle("Sort By").setSingleChoiceItems(new CharSequence[]{"File Name", "Date Time"}, this.selectedFilterPos, (DialogInterface.OnClickListener) null).setPositiveButton("APPLY FILTER", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
FilePickerActivity.this.selectedFilterPos = ((AlertDialog) dialogInterface).getListView().getCheckedItemPosition();
FilePickerActivity.this.sortFiles();
dialogInterface.dismiss();
}
});
return builder.create();
}
public void sortFiles() {
int i = this.selectedFilterPos;
if (i == 0) {
Collections.sort(this.files);
} else if (i == 1) {
Collections.sort(this.files, new Comparator<FileInStorageModel>() {
@Override
public int compare(FileInStorageModel fileInStorageModel, FileInStorageModel fileInStorageModel2) {
if (fileInStorageModel.getDateTime() > fileInStorageModel2.getDateTime()) {
return -1;
}
return fileInStorageModel.getDateTime() < fileInStorageModel2.getDateTime() ? 1 : 0;
}
});
}
addDataToView();
}
protected void onActivityResult(int i, int i2, Intent intent) {
String str;
super.onActivityResult(i, i2, intent);
if (i != 200 || intent == null) {
return;
}
Uri data = intent.getData();
String str2 = null;
if (data != null) {
this.filePaths.clear();
try {
str2 = FileUtils.saveFileIntoExternalStorageByUri(getApplicationContext(), data);
} catch (Exception e) {
e.printStackTrace();
}
if (str2 != null && str2.length() > 0) {
this.filePaths.add(str2);
}
} else {
ClipData clipData = intent.getClipData();
if (clipData != null) {
this.filePaths.clear();
int itemCount = clipData.getItemCount();
for (int i3 = 0; i3 < itemCount; i3++) {
try {
str = FileUtils.saveFileIntoExternalStorageByUri(getApplicationContext(), clipData.getItemAt(i3).getUri());
} catch (Exception e2) {
e2.printStackTrace();
str = null;
}
if (str != null && str.length() > 0) {
this.filePaths.add(str);
}
}
}
}
if (this.filePaths.size() > 0) {
this.isFromBrowse = true;
uploadSelectedFiles();
}
}
private void uploadSelectedFiles() {
String str;
Iterator<String> it = this.filePaths.iterator();
long j = 0;
while (true) {
if (!it.hasNext()) {
str = "";
break;
}
int parseInt = Integer.parseInt(String.valueOf(new File(it.next()).length() / 1024));
if (parseInt > 10240) {
str = this.allowMultiple ? "Each file size should not exceed 10 MB and Over all files size should not exceed 50 MB" : "File size should not exceed 10 MB";
} else {
j += parseInt;
}
}
String str2 = (str.length() != 0 || j <= 51200) ? str : "Each file size should not exceed 10 MB and Over all files size should not exceed 50 MB";
if (str2.length() > 0) {
Iterator<String> it2 = this.filePaths.iterator();
while (it2.hasNext()) {
String next = it2.next();
if (this.isFromBrowse && next != null && next.length() > 0) {
FileUtils.deleteFile(getApplicationContext(), next);
}
}
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Error");
builder.setMessage(str2).setCancelable(false).setPositiveButton("OK", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
dialogInterface.dismiss();
}
});
builder.create().show();
return;
}
Intent intent = new Intent();
intent.putStringArrayListExtra("FilePaths", this.filePaths);
intent.putExtra("IsFromBrowse", this.isFromBrowse);
setResult(100, intent);
finish();
}
private long getOverAllFileSize() {
long j = 0;
while (this.filePaths.iterator().hasNext()) {
j += Integer.parseInt(String.valueOf(new File(r0.next()).length() / 1024));
}
return j;
}
public void setSelectedFileCountInterface(String str) {
if (this.allowMultiple) {
if (this.filePaths.contains(str)) {
this.filePaths.remove(str);
} else if (this.filePaths.size() < 5) {
this.filePaths.add(str);
} else {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Error");
builder.setMessage("You can't select more than 5 files").setCancelable(false).setPositiveButton("OK", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
dialogInterface.dismiss();
}
});
builder.create().show();
}
} else {
this.filePaths.clear();
this.filePaths.add(str);
}
setSaveButtonVisibility();
this.mNoFilesSelected.setText(this.filePaths.size() + " Files Selected");
}
public boolean isFileSelected(String str) {
return this.filePaths.contains(str);
}
public boolean onQueryTextChange(String str) {
if (str.length() > 0) {
ArrayList<FileInStorageModel> arrayList = new ArrayList<>();
for (int i = 0; i < this.filesDup.size(); i++) {
FileInStorageModel fileInStorageModel = this.filesDup.get(i);
if (fileInStorageModel.getFileName().toLowerCase().contains(str.toLowerCase())) {
arrayList.add(fileInStorageModel);
}
}
this.files = arrayList;
} else {
this.files.clear();
this.files.addAll(this.filesDup);
}
addDataToView();
return false;
}
public void addDataToView() {
ListAdapter filesInStorageAdapter = new FilesInStorageAdapter(getApplicationContext(), this.files, this.setSelectedFileCountInterface);
this.mFiles.setAdapter(filesInStorageAdapter);
filesInStorageAdapter.notifyDataSetChanged();
if (this.files.size() > 0) {
this.mFiles.setVisibility(0);
this.mNoData.setVisibility(8);
} else {
this.mFiles.setVisibility(8);
this.mNoData.setVisibility(0);
}
}
protected void onStop() {
TransparentProgressDialog transparentProgressDialog = this.mProgressbar;
if (transparentProgressDialog != null && transparentProgressDialog.isShowing()) {
this.mProgressbar.dismiss();
}
super.onStop();
}
}