小编Har*_*nti的帖子

我的布局有问题.我正在尝试做这样的事情:

现在,我有一个带有CardView内部的RecyclerView .在CardView我已经放了一个ImageView和一个TextView,但我不知道为什么,但CardView比它内部的ImageView更高.

这是代码和示例图像.

这是代码:活动

public class AddRoomActivity extends AppCompatActivity implements View.OnClickListener {

private View snackView;
private FloatingActionButton fabDoneAddRoom;
private EditText etRoomName;
private String roomName = null;
public final static String KEY_PI_IP = "MyPi_IP";
private final static String KEY_ROOM = "myRoom";
private final static String KEY_ROOM_TYPE = "myRoom_Type";

private RecyclerView typeRecyclerView;
private GridLayoutManager layoutManager;
private AddRoomActivity.TypeAdapter adapter;


private String myPi;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_add_room);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    fabDoneAddRoom = …