CameraPhotoUtil.java

package net.coding.program.common.photopick;

import android.net.Uri;
import android.os.Environment;
import android.util.Log;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * Created by chaochen on 15/1/13.
 */
public class CameraPhotoUtil {
    public static Uri getOutputMediaFileUri() {
        File mediaStorageDir = new File(
                Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),
                "MyCameraApp");
        if (!mediaStorageDir.exists()) {
            if (!mediaStorageDir.mkdirs()) {
                Log.d("MyCameraApp", "failed to create directory");
                return null;
            }
        }

        String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
        File mediaFile = new File(mediaStorageDir.getPath() + File.separator + "IMG_" + timeStamp
                + ".jpg");

        return Uri.fromFile(mediaFile);
    }
}