将图像保存在android中的单独目录中

Question

我可以从此代码中获取图片，但我无法将图片保存到自定义目录 Uri uriTarget = getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new ContentValues()); 我认为这可能是我必须更改代码的地方 想要创建一个自定义目录并将我的图像保存在那里

Camera.ShutterCallback myShutterCallback = new Camera.ShutterCallback(){



        @Override
        public void onShutter() {
            // TODO Auto-generated method stub

        }};

    Camera.PictureCallback myPictureCallback_RAW = new Camera.PictureCallback(){

        @Override
        public void onPictureTaken(byte[] arg0, Camera arg1) {
            // TODO Auto-generated method stub

        }};

    Camera.PictureCallback myPictureCallback_JPG = new Camera.PictureCallback(){

        @Override
        public void onPictureTaken(byte[] arg0, Camera arg1) {
            // TODO Auto-generated method stub



            Uri uriTarget = getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new ContentValues());


            OutputStream imageFileOS;

            try {

                imageFileOS = getContentResolver().openOutputStream(uriTarget);

                imageFileOS.write(arg0);

                imageFileOS.flush();

                imageFileOS.close();



                Toast.makeText(MainActivity.this,

                        "waH kiAa selfie hAi :D ",
                        //+ uriTarget.toString(),

                        Toast.LENGTH_LONG).show();



            } catch (FileNotFoundException e) {

                // TODO Auto-generated catch block

                e.printStackTrace();

            } catch (IOException e) {

                // TODO Auto-generated catch block

                e.printStackTrace();

            }
            camera.startPreview();
        }};

Answer 1

试试这个方法...

        private void saveImage(byte[] arg0) {
            String root = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "YOUR_CUSTOM_FOLDER";
            File myDir = new File(root);
            myDir.mkdirs();
            String fname = "YOUR_IMAGE_NAME" + ".jpg";
            file = new File(myDir, fname);
            if (file.exists()) {
                file.delete();
            }

            Bitmap bitmap1 = BitmapFactory.decodeByteArray(arg0, 0, arg0.length);
            FileOutputStream out;
            try {
                out = new FileOutputStream(file);
                bitmap1.compress(Bitmap.CompressFormat.JPEG, 90, out);
                out.flush();
                out.close();
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
            MediaStore.Images.Media.insertImage(activity.getContentResolver(), bitmap1, "", "");
        }