Allocates a new bitmap file name in the Android filesystem. - Android Graphics

Android examples for Graphics:Bitmap File

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Description

Allocates a new bitmap file name in the Android filesystem.

Demo Code


//package com.java2s;
import android.content.Context;

import android.os.Environment;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Main {
    /**// w w w  . ja v  a2 s  .c  om
     * Allocates a new bitmap file in the Android filesystem.
     * @param context an application context
     * @return a File object pointing to the newly allocated file, null if the allocation fails
     */
    public static File allocateImageFile(Context context) {
        String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss")
                .format(new Date());
        String fileName = "img_" + timeStamp;
        File storageDirectory = context
                .getExternalFilesDir(Environment.DIRECTORY_PICTURES);
        File image;

        try {
            image = File.createTempFile(fileName, ".jpg", storageDirectory);
        } catch (IOException e) {
            return null;
        }

        return image;
    }
}

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