com.afollestad.materialdialogs.folderselector.FileChooserDialog Java Examples

public void run(){
    String[] perms = {Manifest.permission.READ_EXTERNAL_STORAGE};
    if (EasyPermissions.hasPermissions(activity, perms)) {
        //有权限
        new FileChooserDialog.Builder(activity)
                .initialPath(GlobalConfig.appDirPath)  //初始显示了目录
                .extensionsFilter(".opml",".xml") //选择的文件类型
                .tag("optional-identifier")
                .goUpLabel("上一级")
                .show((FeedManageActivity)activity);


    } else {
        //没有权限 1. 申请权限
        EasyPermissions.requestPermissions(
                new PermissionRequest.Builder(activity, RQUEST_STORAGE_READ, perms)
                        .setRationale("必须读存储器才能解析OPML文件")
                        .setPositiveButtonText("确定")
                        .setNegativeButtonText("取消")
                        .build());
    }


}
 

public void run(){
    String[] perms = {Manifest.permission.READ_EXTERNAL_STORAGE};
    if (EasyPermissions.hasPermissions(activity, perms)) {
        //有权限
        new FileChooserDialog.Builder(activity)
                .initialPath(GlobalConfig.appDirPath)  //初始显示了目录
                .extensionsFilter(".opml",".xml") //选择的文件类型
                .tag("optional-identifier")
                .goUpLabel("上一级")
                .show((FeedManageActivity)activity);


    } else {
        //没有权限 1. 申请权限
        EasyPermissions.requestPermissions(
                new PermissionRequest.Builder(activity, RQUEST_STORAGE_READ, perms)
                        .setRationale("必须读存储器才能解析OPML文件")
                        .setPositiveButtonText("确定")
                        .setNegativeButtonText("取消")
                        .build());
    }


}
 

public void run(){
    String[] perms = {Manifest.permission.READ_EXTERNAL_STORAGE};
    if (EasyPermissions.hasPermissions(activity, perms)) {
        //有权限
        new FileChooserDialog.Builder(activity)
                .initialPath(GlobalConfig.appDirPath)  //初始显示了目录
                .extensionsFilter(".opml",".xml") //选择的文件类型
                .tag("optional-identifier")
                .goUpLabel("上一级")
                .show((FeedManageActivity)activity);


    } else {
        //没有权限 1. 申请权限
        EasyPermissions.requestPermissions(
                new PermissionRequest.Builder(activity, RQUEST_STORAGE_READ, perms)
                        .setRationale("必须读存储器才能解析OPML文件")
                        .setPositiveButtonText("确定")
                        .setNegativeButtonText("取消")
                        .build());
    }


}
 

public void run(){
    String[] perms = {Manifest.permission.READ_EXTERNAL_STORAGE};
    if (EasyPermissions.hasPermissions(activity, perms)) {
        //有权限
        new FileChooserDialog.Builder(activity)
                .initialPath(GlobalConfig.appDirPath)  //初始显示了目录
                .extensionsFilter(".opml",".xml") //选择的文件类型
                .tag("optional-identifier")
                .goUpLabel("上一级")
                .show((FeedManageActivity)activity);


    } else {
        //没有权限 1. 申请权限
        EasyPermissions.requestPermissions(
                new PermissionRequest.Builder(activity, RQUEST_STORAGE_READ, perms)
                        .setRationale("必须读存储器才能解析OPML文件")
                        .setPositiveButtonText("确定")
                        .setNegativeButtonText("取消")
                        .build());
    }


}
 

/**
 * Handles the call-back from a file chooser dialog when a file is selected. This is used for
 * communication between the {@code FileChooserDialog} and the export/import fragments. The
 * originating fragment that opened the file chooser dialog should set the "tag" of the file
 * chooser dialog to the value of the fragment tag that this activity uses to identify that
 * originating fragment. This activity will then forward this notification to that fragment,
 * which is expected to implement this same interface method.
 *
 * @param dialog
 *     The file chooser dialog that has reported the file selection.
 * @param file
 *     The file that was chosen.
 */
@Override
public void onFileSelection(@NonNull FileChooserDialog dialog, @NonNull File file) {
    // This "relay" scheme ensures that this activity is not embroiled in the gory details of
    // what the "destinationFrag" wanted with the file.
    final Fragment destinationFrag = fragmentManager.findFragmentByTag(FRAG_TAG_EXIM_DIALOG);

    if (destinationFrag instanceof FileChooserDialog.FileCallback) {
        ((FileChooserDialog.FileCallback) destinationFrag).onFileSelection(dialog, file);
    } else {
        // This is not expected unless there is a bug to be fixed.
        Log.e(TAG, "onFileSelection(): Unknown or incompatible fragment: " + destinationFrag.getTag());
    }
}
 

/**
 * Handles the selection of a file when solve times are being imported. If the "external" file
 * format is chosen, the user must be further prompted to select the puzzle type and category
 * to assign to the imported solve times. If the chosen file does not end with the expected
 * file extension
 *
 * @param dialog The file chooser dialog that reported the selection.
 * @param file   The file that was chosen.
 */
@Override
public void onFileSelection(@NonNull FileChooserDialog dialog, @NonNull File file) {
    if (ExportImportUtils.isFileExtensionOK(file)) {
        mImportFile = file;

        if (mFileFormat == EXIM_FORMAT_EXTERNAL) {
            // Need to get the puzzle type and category before importing the data. There will
            // be a call-back to "onPuzzleSelected" before returning to the activity.
            PuzzleChooserDialog.newInstance(
                    R.string.action_import, ExportImportDialog.this.getTag())
                    .show(getActivity().getSupportFragmentManager(), null);
        } else {
            // Importing from a back-up file. There is no need to know the puzzle type and
            // category, as those are in the file. Hand back to the activity to do the import.
            getExImActivity().onImportSolveTimes(mImportFile, mFileFormat, null, null);
            dismiss();
        }
    } else {
        // TODO: ADD HELP
        ThemeUtils.roundAndShowDialog(mContext, new MaterialDialog.Builder(getActivity())
            .title(R.string.file_selection_error_title)
            .content(R.string.file_selection_error_content, ".txt")
            .positiveText(R.string.action_ok)
            .build());
        dismiss();
    }
}
 

/**
 * Shows a file chooser for the excel file
 */
private void showFileChooser() {
    if (!checkPermissionsGranted(getActivity(), Manifest.permission.READ_EXTERNAL_STORAGE)) {
        askForPermissions(getActivity(), new String[]{Manifest.permission.READ_EXTERNAL_STORAGE});
        return;
    }

    new FileChooserDialog.Builder(getFragmentManager())
            .onFileSelected(this)
            .extensionsFilter(".xls")
            .goUpLabel("...")
            .show(new FileChooserDialog());
}
 

@Override
public void onFileSelection(@NonNull FileChooserDialog dialog, @NonNull File file) {
    //选择了某个文件
    opmlReadHelper.add(file.getAbsolutePath());
}
 

@Override
public void onFileSelection(@NonNull FileChooserDialog dialog, @NonNull File file) {
    //选择了某个文件
    opmlReadHelper.add(file.getAbsolutePath());
}
 

@Override
public void onFileSelection(FileChooserDialog dialog, File file) {
    mEditPath.setText(file.getPath());
}
 

@Override
public void onClick(View view) {
    // NOTE: The call-backs from the "FileChooserDialog" and "PuzzleChooserDialog"
    //
    switch (view.getId()) {
        case R.id.export_backup:
            // All puzzle types and categories are exported to a single back-up file.
            // There is no need to identify the export file or the puzzle type/category.
            // Just invoke the activity and dismiss this dialog.
            getExImActivity().onExportSolveTimes(EXIM_FORMAT_BACKUP, null, null);
            dismiss();
            break;

        case R.id.export_external:
            mFileFormat = EXIM_FORMAT_EXTERNAL;
            // Select the single puzzle type and category that will be exported. When the
            // call-back from this puzzle chooser is received ("onPuzzleTypeSelected"),
            // this dialog will exit and hand control back to the activity to perform the
            // export. The call-back uses "getTag()" to tell the chooser to tell the
            // activity that the chosen puzzle type/category should be relayed back to this
            // dialog fragment.
            PuzzleChooserDialog.newInstance(
                    R.string.action_export, ExportImportDialog.this.getTag())
                    .show(getActivity().getSupportFragmentManager(), null);
            break;

        case R.id.import_backup:
            mFileFormat = EXIM_FORMAT_BACKUP;
            // Select the file to import. When the call-back from this file chooser is
            // received ("onFileSelection"), this dialog will exit and hand control back
            // to the activity to perform the export. The call-back uses "getTag()" to tell
            // the chooser to tell the activity that the chosen puzzle type/category should
            // be relayed back to this dialog fragment.
            new FileChooserDialog.Builder(getExImActivity())
                    //.chooseButton(R.string.action_choose)
                    .tag(FRAG_TAG_EXIM_FILECHOOSER)
                    .extensionsFilter(".txt")
                    .build().show(getFragmentManager());
            break;

        case R.id.import_external:
            // Show a dialog that explains the required text format, then, when that is
            // closed, select the file to import. When the call-back from this file chooser
            // is received ("onFileSelection"), this dialog will check that the file name
            // is valid. If valid, the puzzle chooser will be shown.  When the call-back
            // from that puzzle chooser is received ("onPuzzleTypeSelected"), this dialog
            // will exit and hand control back to the activity to perform the import.
            mFileFormat = EXIM_FORMAT_EXTERNAL;
            ThemeUtils.roundAndShowDialog(mContext, new MaterialDialog.Builder(mContext)
                    .title(R.string.import_external_title)
                    .content(R.string.import_external_content_first)
                    .positiveText(R.string.action_ok)
                    .onPositive((dialog, which) -> new FileChooserDialog.Builder(getExImActivity())
                            .tag(FRAG_TAG_EXIM_FILECHOOSER)
                            .extensionsFilter(".txt")
                            .build().show(getFragmentManager()))
                    .build());
            break;

        case R.id.export_button:
            AnimUtils.toggleContentVisibility(exportBackup, exportExternal);
            break;

        case R.id.import_button:
            AnimUtils.toggleContentVisibility(importBackup, importExternal);
            break;

        //case R.id.help_button:
        //    break;
    }
}
 

@Override
public void onFileChooserDismissed(@NonNull FileChooserDialog dialog) {

}
 

/**
 * Gets the activity reference type cast to support the required interfaces and base classes
 * for export/import operations.
 *
 * @return The attached activity, or {@code null} if no activity is attached.
 */
private <A extends AppCompatActivity & FileChooserDialog.FileCallback & ExportImportCallbacks>
A getExImActivity() {
    //noinspection unchecked
    return (A) getActivity();
}
 

@Override
public void onFileChooserDismissed(@NonNull FileChooserDialog dialog) {

}
 

@Override
public void onFileChooserDismissed(FileChooserDialog dialog) {

}
 

@Override
public void onFileChooserDismissed(@NonNull FileChooserDialog dialog) {

}
 

@Override
public void onFileChooserDismissed(@NonNull FileChooserDialog dialog) {

}