Android中相机的调用

    protected void startCamera(int code) {
        bitmapCamera = null;

        // 激活系统的照相机进行拍照
        Intent intent = new Intent();
        intent.setAction("android.media.action.IMAGE_CAPTURE");
        intent.addCategory("android.intent.category.DEFAULT");

        startActivityForResult(intent,code);
    }

 public void onActivityResult(int requestCode, int resultCode, Intent data) {
        // 拒绝时, 关闭页面, 缺少主要权限, 无法运行
        if (requestCode == PERMISSIONS_CODE && resultCode == PermissionsActivity.PERMISSIONS_DENIED) {
            Toast.makeText(getActivity().getApplicationContext(), "权限获取失败", Toast.LENGTH_SHORT).show();
            return;
        }
        if(requestCode == CAMERA_CARD_FRONT_CODE ||requestCode ==  CAMERA_USER_BCAK_CODE ||requestCode ==  CAMERA_USER_FRONT_CODE) {
            Toast.makeText(getActivity(), "调用照相机完毕", Toast.LENGTH_SHORT).show();

            if (data.getData() != null || data.getExtras() != null) { //防止没有返回结果
                Uri uri = data.getData();
                if (uri != null) {
                    bitmapCamera = BitmapFactory.decodeFile(uri.getPath()); //拿到图片
                }
                if (bitmapCamera == null) {
                    Bundle bundle = data.getExtras();
                    if (bundle != null) {
                        bitmapCamera = (Bitmap) bundle.get("data");
                    } else {
                        Toast.makeText(getActivity().getApplicationContext(), "找不到图片", Toast.LENGTH_SHORT).show();
                        return;
                    }
                }
            }
            switch (requestCode){
                case CAMERA_USER_FRONT_CODE:
                    userFrontImg.setImageBitmap(bitmapCamera);
                    break;
                case CAMERA_USER_BCAK_CODE:
                    userBackImg.setImageBitmap(bitmapCamera);
                    break;
                case CAMERA_CARD_FRONT_CODE:
                    cardFrontImg.setImageBitmap(bitmapCamera);
                    break;
            }
        }
    }