保存图片的工具类

import android.graphics.Bitmap;
import android.text.format.DateFormat;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Calendar;
import java.util.Locale;

/**
 * Created by 牛皮
 */
public class SavePhoto {

    private static String filename;

    public static String getFilename() {

        return filename;
    }

    public static void getPhoto(Bitmap bitmap){
        new DateFormat();
        String name= DateFormat.format("yyyyMMdd_hhmmss", Calendar.getInstance(Locale.CHINA))+".jpg";
        FileOutputStream fout = null;
        File file = new File("/sdcard/pintu/");
        file.mkdirs();
        filename = file.getPath() + name;
        try {
            fout = new FileOutputStream(filename);
            bitmap.compress(Bitmap.CompressFormat.JPEG, 100, fout);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }finally{
            try {
                fout.flush();
                fout.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

}