Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
//License from project: Open Source License 

import android.content.Context;
import android.database.Cursor;

import android.net.Uri;

import android.provider.MediaStore;

public class Main {
    /** 
     * Get the value of the data column for this Uri. This is useful
     * for MediaStore Uris, and other file-based ContentProviders.
     * 
     * @param context The context. 
     * @param uri The Uri to query. 
     * @param selection (Optional) Filter used in the query. 
     * @param selectionArgs (Optional) Selection arguments used in the query. 
     * @return The value of the _data column, which is typically a file path.
     */
    private static String getGhostMySelfieDataColumn(Context context, Uri uri, String selection,
            String[] selectionArgs) {
        // Projection used to query Android GhostMySelfie Content Provider.
        final String[] projection = { MediaStore.Images.Media.DATA };

        //Query and get a cursor to Android GhostMySelfie
        // Content Provider.
        try (Cursor cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null)) {
            // If selfie is present, get the file path of the selfie.
            if (cursor != null && cursor.moveToFirst())
                return cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA));
        }

        // No selfie present. returns null.
        return null;
    }
}