Java ExFilePicker类代码示例

import ru.bartwell.exfilepicker.ExFilePicker; //导入依赖的package包/类
@NonNull
public static FilesListComparator getComparator(ExFilePicker.SortingType sortingType) {
    switch (sortingType) {
        case NAME_DESC:
            return new FilesListNameDescComparator();
        case SIZE_ASC:
            return new FilesListSizeAscComparator();
        case SIZE_DESC:
            return new FilesListSizeDescComparator();
        case DATE_ASC:
            return new FilesListDateAscComparator();
        case DATE_DESC:
            return new FilesListDateDescComparator();
        default:
            return new FilesListNameAscComparator();
    }
}
 

import ru.bartwell.exfilepicker.ExFilePicker; //导入依赖的package包/类
@Override
public void onClick(DialogInterface dialogInterface, int which) {
    ExFilePicker.SortingType sortingType = ExFilePicker.SortingType.NAME_ASC;
    switch (which) {
        case 1:
            sortingType = ExFilePicker.SortingType.NAME_DESC;
            break;
        case 2:
            sortingType = ExFilePicker.SortingType.SIZE_ASC;
            break;
        case 3:
            sortingType = ExFilePicker.SortingType.SIZE_DESC;
            break;
        case 4:
            sortingType = ExFilePicker.SortingType.DATE_ASC;
            break;
        case 5:
            sortingType = ExFilePicker.SortingType.DATE_DESC;
            break;
    }
    mOnSortingSelectedListener.onSortingSelected(sortingType);
}
 

import ru.bartwell.exfilepicker.ExFilePicker; //导入依赖的package包/类
private void setupViews() {
    mRecyclerView = (RecyclerView) findViewById(R.id.recycler_view);
    mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
    mAdapter = new FilesListAdapter();
    mAdapter.setOnListItemClickListener(this);
    mAdapter.setCanChooseOnlyFiles(mChoiceType == ExFilePicker.ChoiceType.FILES);
    mAdapter.setUseFirstItemAsUpEnabled(mUseFirstItemAsUpEnabled);
    mRecyclerView.setAdapter(mAdapter);
    mToolbar = (FilesListToolbar) findViewById(R.id.toolbar);
    mToolbar.setOnMenuItemClickListener(this);
    mToolbar.setNavigationOnClickListener(this);
    mToolbar.setQuitButtonEnabled(mIsQuitButtonEnabled);
    mToolbar.setMultiChoiceModeEnabled(false);
    Menu menu = mToolbar.getMenu();
    setupOkButtonVisibility();
    menu.findItem(R.id.new_folder).setVisible(!mIsNewFolderButtonDisabled);
    menu.findItem(R.id.sort).setVisible(!mIsSortButtonDisabled);
    mEmptyView = findViewById(R.id.empty_view);
}
 

import ru.bartwell.exfilepicker.ExFilePicker; //导入依赖的package包/类
@Nullable
public static ExFilePickerResult getFromIntent(@Nullable Intent intent) {
    if (intent != null) {
        return intent.getParcelableExtra(ExFilePicker.EXTRA_RESULT);
    }
    return null;
}
 

import ru.bartwell.exfilepicker.ExFilePicker; //导入依赖的package包/类
@Override
public void onListItemLongClick(int position) {
    if (!mIsMultiChoiceModeEnabled && position != OnListItemClickListener.POSITION_UP) {
        mIsMultiChoiceModeEnabled = true;
        if (mChoiceType != ExFilePicker.ChoiceType.FILES || !mAdapter.getItem(position).isDirectory()) {
            mAdapter.setItemSelected(position, true);
        }
        setMultiChoiceModeEnabled(true);
    }
}
 

import ru.bartwell.exfilepicker.ExFilePicker; //导入依赖的package包/类
@Override
public boolean onMenuItemClick(@NonNull MenuItem item) {
    int itemId = item.getItemId();
    if (itemId == R.id.ok) {
        if (mIsMultiChoiceModeEnabled) {
            finishWithResult(mCurrentDirectory, mAdapter.getSelectedItems());
        } else if (mChoiceType == ExFilePicker.ChoiceType.DIRECTORIES) {
            if (isTopDirectory(mCurrentDirectory)) {
                finishWithResult(mCurrentDirectory, "/");
            } else {
                finishWithResult(mCurrentDirectory.getParentFile(), mCurrentDirectory.getName());
            }
        }
    } else if (itemId == R.id.sort) {
        SortingDialog dialog = new SortingDialog(this);
        dialog.setOnSortingSelectedListener(this);
        dialog.show();
    } else if (itemId == R.id.new_folder) {
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) {
            showNewFolderDialog();
        } else {
            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, REQUEST_CODE_WRITE_EXTERNAL_STORAGE);
        }
    } else if (itemId == R.id.select_all) {
        mAdapter.selectAll();
    } else if (itemId == R.id.deselect) {
        mAdapter.deselect();
    } else if (itemId == R.id.invert_selection) {
        mAdapter.invertSelection();
    } else if (itemId == R.id.change_view) {
        toggleViewMode();
    } else {
        return false;
    }
    return true;
}
 

import ru.bartwell.exfilepicker.ExFilePicker; //导入依赖的package包/类
private void handleIntent() {
    Intent intent = getIntent();
    mCanChooseOnlyOneItem = intent.getBooleanExtra(EXTRA_CAN_CHOOSE_ONLY_ONE_ITEM, false);
    mShowOnlyExtensions = intent.getStringArrayExtra(EXTRA_SHOW_ONLY_EXTENSIONS);
    mExceptExtensions = intent.getStringArrayExtra(EXTRA_EXCEPT_EXTENSIONS);
    mIsNewFolderButtonDisabled = intent.getBooleanExtra(EXTRA_IS_NEW_FOLDER_BUTTON_DISABLED, false);
    mIsSortButtonDisabled = intent.getBooleanExtra(EXTRA_IS_SORT_BUTTON_DISABLED, false);
    mIsQuitButtonEnabled = intent.getBooleanExtra(EXTRA_IS_QUIT_BUTTON_ENABLED, false);
    mChoiceType = (ExFilePicker.ChoiceType) intent.getSerializableExtra(EXTRA_CHOICE_TYPE);
    mSortingType = (ExFilePicker.SortingType) intent.getSerializableExtra(EXTRA_SORTING_TYPE);
    mCurrentDirectory = getStartDirectory(intent);
    mUseFirstItemAsUpEnabled = intent.getBooleanExtra(EXTRA_USE_FIRST_ITEM_AS_UP_ENABLED, false);
    mHideHiddenFiles = intent.getBooleanExtra(EXTRA_HIDE_HIDDEN_FILES, false);
}
 

import ru.bartwell.exfilepicker.ExFilePicker; //导入依赖的package包/类
private void finishWithResult(@NonNull File path, @NonNull List<String> files) {
    String resultPath = path.getAbsolutePath();
    if (!resultPath.endsWith("/")) {
        resultPath += "/";
    }
    ExFilePickerResult result = new ExFilePickerResult(resultPath, files);
    Intent intent = new Intent();
    intent.putExtra(ExFilePicker.EXTRA_RESULT, result);
    setResult(RESULT_OK, intent);
    finish();
}
 

import ru.bartwell.exfilepicker.ExFilePicker; //导入依赖的package包/类
@Override
public void onClick(@NonNull View v) {
    ExFilePicker exFilePicker = new ExFilePicker();
    if (((AppCompatCheckBox) findViewById(R.id.only_one_item)).isChecked()) {
        exFilePicker.setCanChooseOnlyOneItem(true);
    }
    if (((AppCompatCheckBox) findViewById(R.id.filter_listed)).isChecked()) {
        exFilePicker.setShowOnlyExtensions("jpg", "jpeg");
    }
    if (((AppCompatCheckBox) findViewById(R.id.filter_exclude)).isChecked()) {
        exFilePicker.setExceptExtensions("jpg");
    }
    if (((AppCompatCheckBox) findViewById(R.id.disable_new_folder_button)).isChecked()) {
        exFilePicker.setNewFolderButtonDisabled(true);
    }
    if (((AppCompatCheckBox) findViewById(R.id.disable_sort_button)).isChecked()) {
        exFilePicker.setSortButtonDisabled(true);
    }
    if (((AppCompatCheckBox) findViewById(R.id.enable_quit_button)).isChecked()) {
        exFilePicker.setQuitButtonEnabled(true);
    }
    if (((AppCompatCheckBox) findViewById(R.id.reverse_sorting)).isChecked()) {
        exFilePicker.setSortingType(ExFilePicker.SortingType.NAME_DESC);
    }
    if (((AppCompatCheckBox) findViewById(R.id.start_from_root)).isChecked()) {
        exFilePicker.setStartDirectory("/");
    }
    if (((AppCompatCheckBox) findViewById(R.id.first_item_as_up)).isChecked()) {
        exFilePicker.setUseFirstItemAsUpEnabled(true);
    }
    if (((AppCompatCheckBox) findViewById(R.id.hide_hidden_files)).isChecked()) {
        exFilePicker.setHideHiddenFilesEnabled(true);
    }
    int checkedChoiceRadio = ((RadioGroup) findViewById(R.id.choice_type)).getCheckedRadioButtonId();
    if (checkedChoiceRadio == R.id.choice_type_files) {
        exFilePicker.setChoiceType(ExFilePicker.ChoiceType.FILES);
    } else if (checkedChoiceRadio == R.id.choice_type_directories) {
        exFilePicker.setChoiceType(ExFilePicker.ChoiceType.DIRECTORIES);
    }
    exFilePicker.start(this, EX_FILE_PICKER_RESULT);
}
 

import ru.bartwell.exfilepicker.ExFilePicker; //导入依赖的package包/类
public void setItems(@NonNull List<File> items, @NonNull ExFilePicker.SortingType sortingType) {
    mSelectedItems.clear();
    mItems.clear();
    mItems.addAll(items);
    sort(sortingType);
}
 

import ru.bartwell.exfilepicker.ExFilePicker; //导入依赖的package包/类
public void sort(@NonNull ExFilePicker.SortingType sortingType) {
    Collections.sort(mItems, FilesListComparatorHelper.getComparator(sortingType));
    notifyDataSetChanged();
}
 

import ru.bartwell.exfilepicker.ExFilePicker; //导入依赖的package包/类
@Override
public void onSortingSelected(@NonNull ExFilePicker.SortingType sortingType) {
    mSortingType = sortingType;
    mAdapter.sort(mSortingType);
}
 

import ru.bartwell.exfilepicker.ExFilePicker; //导入依赖的package包/类
private void setupOkButtonVisibility() {
    mToolbar.getMenu().findItem(R.id.ok).setVisible(mChoiceType == ExFilePicker.ChoiceType.DIRECTORIES);
}
 

import ru.bartwell.exfilepicker.ExFilePicker; //导入依赖的package包/类
void onSortingSelected(ExFilePicker.SortingType sortingType);