Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;

import android.provider.MediaStore.Images.ImageColumns;

public class Main {
    /**
     * Try to return the absolute file path from the given Uri
     * 
     * @param context
     * @param uri
     * @return the file path or null
     */
    public static String getRealFilePath(final Context context, final Uri uri) {

        if (null == uri)
            return null;

        final String scheme = uri.getScheme();
        String data = null;

        if (scheme == null)
            data = uri.getPath();
        else if (ContentResolver.SCHEME_FILE.equals(scheme)) {
            data = uri.getPath();
        } else if (ContentResolver.SCHEME_CONTENT.equals(scheme)) {
            Cursor cursor = context.getContentResolver().query(uri, new String[] { ImageColumns.DATA }, null, null,
                    null);
            if (null != cursor) {
                if (cursor.moveToFirst()) {
                    int index = cursor.getColumnIndex(ImageColumns.DATA);
                    if (index > -1) {
                        data = cursor.getString(index);
                    }
                }
                cursor.close();
            }
        }
        return data;
    }
}