Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * CommonUtils.java created on 2014-07-14.
 *
 * Copyright (C) 2014 P1nGu1n
 *
 * This file is part of Snapshare.
 *
 * Snapshare 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.
 *
 * Snapshare 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
 * a gazillion times. If not, see <http://www.gnu.org/licenses/>.
 */

import android.content.ContentResolver;

import android.database.Cursor;
import android.net.Uri;
import android.provider.MediaStore;

import java.io.File;

public class Main {
    /**
     * Converts the content:// scheme to the file:// scheme
     * @param contentResolver Provides access to the content model
     * @param contentUri The URI to be converted using content:// scheme
     * @return The converted URI using file:// scheme
     */
    public static Uri getFileUriFromContentUri(ContentResolver contentResolver, Uri contentUri) {
        String filePath = getPathFromContentUri(contentResolver, contentUri);
        if (filePath == null) {
            return null;
        }
        return Uri.fromFile(new File(filePath));
    }

    /**
     * Converts the content:// scheme to the file path
     * @param contentResolver Provides access to the content model
     * @param contentUri The URI to be converted using content:// scheme
     * @return The converted file path
     */
    public static String getPathFromContentUri(ContentResolver contentResolver, Uri contentUri) {
        String[] projection = { MediaStore.Images.Media.DATA };
        Cursor cursor = contentResolver.query(contentUri, projection, null, null, null);

        if (cursor != null && cursor.moveToFirst()) {
            int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
            String filePath = cursor.getString(column_index);
            cursor.close();
            return filePath;
        } else {
            return null;
        }
    }
}