Android实例-多窗口的切换(XE8+小米2)

1.图片一是程序运行后的界面。

2.图片二是点击"非模态显示"的界面。

3.图片三是点击"模诚显示"的界面（提示平台不支持）。

unit Unit1;

interface

uses
  System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,
  FMX.Types, FMX.Controls, FMX.Forms, FMX.Graphics, FMX.Dialogs, FMX.StdCtrls,
  FMX.Controls.Presentation;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Label1: TLabel;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation
uses Unit2;
{$R *.fmx}
{$R *.NmXhdpiPh.fmx ANDROID}

procedure TForm1.Button1Click(Sender: TObject);
begin
  Form2.Show;//非模态显示窗体二
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  Form2.ShowModal;//模态显示窗体二
end;

end.

unit Unit2;

interface

uses
  System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,
  FMX.Types, FMX.Controls, FMX.Forms, FMX.Graphics, FMX.Dialogs, FMX.StdCtrls,
  FMX.Controls.Presentation;

type
  TForm2 = class(TForm)
    Label1: TLabel;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form2: TForm2;

implementation

{$R *.fmx}
{$R *.NmXhdpiPh.fmx ANDROID}

procedure TForm2.Button1Click(Sender: TObject);
begin
  Form2.Close;//隐藏窗体二
{当然，按返回键也能隐藏第二个窗口。
总的来说，基本上与 windows 下编程一样。}
end;

end.