Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

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

public class Main {
    /**
     * Get a uri's file path
     * 
     * @param context the application context
     * @param uri     the uri to query
     * 
     * @return the file path
     */
    public static String getUriPath(Context context, Uri uri) {
        String filePath = null;

        String scheme = uri.getScheme();

        if (scheme.startsWith("content")) {
            String[] projection = { MediaStore.Files.FileColumns.DATA };

            /* 
             * FIXME 2013-10-24 Tianzi Hou
             * 
             * we cannot get file path if it is from 
             *  content://com.google.android.gallery3d.provider
             * i.e. the Picasa service
             */
            filePath = null;
            Cursor cursor = context.getContentResolver().query(uri, projection, null, null, null);

            if (cursor != null) {
                int column_index = cursor.getColumnIndexOrThrow(projection[0]);
                cursor.moveToFirst();
                filePath = cursor.getString(column_index);
                cursor.close();
            }
        } else if (scheme.startsWith("file")) {
            filePath = uri.getPath();
        }

        return filePath;
    }
}