Android 获取图库中图片的坑

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 //从相册选择
    private void choseHeadImageFromGallery() {
        Intent intentFromGallery = new Intent();
        intentFromGallery.setType("image/*");//选择图片
        intentFromGallery.setAction(Intent.ACTION_GET_CONTENT);
        startActivityForResult(intentFromGallery,CODE_GALLERY_REQUEST);
 }

//打开相机选择
    private void choseHeadImageFromCameraCapture() {
        Intent intentFromCapture = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        intentFromCapture.putExtra(MediaStore.EXTRA_OUTPUT,photo);
        startActivityForResult(intentFromCapture, CODE_CAMERA_REQUEST);
    }



@Override
    public void onActivityResult(int requestCode, int resultCode,
                                    Intent intent) {
        if (resultCode == RESULT_CANCELED) {
            Toast.makeText(getActivity(), "取消", Toast.LENGTH_LONG).show();
            return;
        }
        switch (requestCode) {
            case CODE_GALLERY_REQUEST:  //图库
                if(intent!=null){
                   Uri uri = intent.getData();
                    String path=uri.getPath();
                    Bitmap bitmap =null;

                //修改之后 关键这里，是获取到bitmap
                    try {
                        bitmap = MediaStore.Images.Media.getBitmap(getActivity().getContentResolver(), uri);
                    } catch (IOException e) {
                        e.printStackTrace();
                    }

    
                    if(bitmap!=null)
                    ImageTools.savePhotoToSDCard(bitmap,Environment.getExternalStorageDirectory().getAbsolutePath(), "image");
                    img.setScaleType(ImageView.ScaleType.CENTER_CROP);
                    img.setImageURI(uri);
                }
                break;
            case CODE_CAMERA_REQUEST:  //相机
                if (intent != null) {
                  Bitmap bitmap=intent.getParcelableExtra("data");
                  img.setImageBitmap(bitmap);
                  img.setScaleType(ImageView.ScaleType.CENTER_CROP);
                    ImageTools.savePhotoToSDCard(bitmap,Environment.getExternalStorageDirectory().getAbsolutePath(), "image");
                }
                break;
        }
 }