FMX.Dialogs.InputBox('请输入行高:', '填整数', '22');
这句代码报错
Blocking dialogs not implemented on this platform
On Android platform,only overloads with TinputCloseBoxProc or TinputCloseBoxEvent are supported.

就是安卓下不支持模态对话框，不要这么使用模态框。

谢谢老大 我这样搞的
 InputBox('请输入行高:', '填整数', '22',
    procedure(const AResult: TModalResult; const AValue: string)
    begin
      case AResult of
        { Detect which button was pushed and show a different message }
        mrOk:
          begin
          // AValue is the result of the inputbox dialog
            Heightstr := AValue;
          end;
        mrCancel:
          begin

          end;
      end;
    end);