org.transdroid.core.gui.search.FilePickerHelper.java Source code

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Here is the source code for org.transdroid.core.gui.search.FilePickerHelper.java

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/* 
 * Copyright 2010-2013 Eric Kok et al.
 * 
 * Transdroid is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Transdroid is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Transdroid.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.transdroid.core.gui.search;

import org.transdroid.core.R;

import android.annotation.SuppressLint;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.net.Uri;
import android.support.v4.app.DialogFragment;

import com.actionbarsherlock.app.SherlockFragmentActivity;

public class FilePickerHelper {

    public static final int ACTIVITY_FILEPICKER = 0x0000c0df; // A 'random' ID to identify file picker intents
    public static final Uri FILEMANAGER_MARKET_URI = Uri
            .parse("market://search?q=pname:org.openintents.filemanager");

    /**
     * Call this to start a file picker intent. The calling activity will receive an Intent result with ID
     * {@link #ACTIVITY_FILEPICKER} with an Intent that contains the selected local file as data Intent.
     * @param activity The calling activity, to which the result is returned or a dialog is bound that asks to install
     *            the file picker
     */
    @SuppressLint("ValidFragment")
    public static void startFilePicker(final SherlockFragmentActivity activity) {
        try {
            // Start a file manager that can handle the PICK_FILE intent (specifically IO File Manager)
            activity.startActivityForResult(new Intent("org.openintents.action.PICK_FILE"), ACTIVITY_FILEPICKER);
        } catch (Exception e) {
            // Can't start the file manager, for example with a SecurityException or when IO File Manager is not present
            new DialogFragment() {
                public android.app.Dialog onCreateDialog(android.os.Bundle savedInstanceState) {
                    return new AlertDialog.Builder(activity).setIcon(android.R.drawable.ic_dialog_alert)
                            .setMessage(activity.getString(R.string.search_filemanagernotfound))
                            .setPositiveButton(android.R.string.yes, new OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialog, int which) {
                                    if (activity != null)
                                        activity.startActivity(
                                                new Intent(Intent.ACTION_VIEW, FILEMANAGER_MARKET_URI));
                                }
                            }).setNegativeButton(android.R.string.no, null).create();
                };
            }.show(activity.getSupportFragmentManager(), "installfilemanager");
        }
    }

}