将图像保存在 android 中的单独目录中

Question

我可以从这段代码中提取图片，但我无法将图片保存到自定义目录中 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, "", "");
        }

将图像保存在 android 中的单独目录中

Saving Image in a seperate directory in android

android

surfaceview

android-camera