• Android实例-MotionSensor加速度(XE8+小米2)


    结果:

    1.

    实例代码:

      1 unit Unit1;
      2 
      3 interface
      4 
      5 uses
      6   System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,
      7   FMX.Types, FMX.Controls, FMX.Forms, FMX.Graphics, FMX.Dialogs, System.Sensors,
      8   FMX.StdCtrls, FMX.Controls.Presentation, System.Sensors.Components;
      9 
     10 type
     11   TForm1 = class(TForm)
     12     MotionSensor1: TMotionSensor;
     13     Switch1: TSwitch;
     14     Label1: TLabel;
     15     Timer1: TTimer;
     16     Label2: TLabel;
     17     Label3: TLabel;
     18     Label4: TLabel;
     19     Label5: TLabel;
     20     Label6: TLabel;
     21     Label7: TLabel;
     22     Label8: TLabel;
     23     Label9: TLabel;
     24     Label10: TLabel;
     25     Label11: TLabel;
     26     Label12: TLabel;
     27     Label13: TLabel;
     28     Label14: TLabel;
     29     Label15: TLabel;
     30     Label16: TLabel;
     31     Label17: TLabel;
     32     procedure Switch1Click(Sender: TObject);
     33     procedure Timer1Timer(Sender: TObject);
     34     procedure FormCreate(Sender: TObject);
     35   private
     36     { Private declarations }
     37   public
     38     { Public declarations }
     39   end;
     40 
     41 var
     42   Form1: TForm1;
     43 
     44 implementation
     45 
     46 {$R *.fmx}
     47 {$R *.NmXhdpiPh.fmx ANDROID}
     48 
     49 procedure TForm1.FormCreate(Sender: TObject);
     50 begin
     51   Timer1.Enabled := False;
     52 end;
     53 
     54 procedure TForm1.Switch1Click(Sender: TObject);
     55 begin
     56   MotionSensor1.Active := Switch1.IsChecked;
     57   Timer1.Enabled := Switch1.IsChecked;
     58 end;
     59 
     60 procedure TForm1.Timer1Timer(Sender: TObject);
     61 var
     62   LProp: TCustomMotionSensor.TProperty;//所有可能得到的参数
     63 begin
     64   for LProp in MotionSensor1.Sensor.AvailableProperties do//开始循环,如果手机支持该参数则显示出来
     65   begin
     66     case LProp of
     67       TCustomMotionSensor.TProperty.AccelerationX:
     68       begin
     69         Label10.Visible := True;
     70         Label10.Text := Format('Acceleration X: %6.2f', [MotionSensor1.Sensor.AccelerationX]);
     71       end;
     72       TCustomMotionSensor.TProperty.AccelerationY:
     73       begin
     74         Label11.Visible := True;
     75         Label11.Text := Format('Acceleration Y: %6.2f', [MotionSensor1.Sensor.AccelerationY]);
     76       end;
     77       TCustomMotionSensor.TProperty.AccelerationZ:
     78       begin
     79         Label12.Visible := True;
     80         Label12.Text := Format('Acceleration Z: %6.2f', [MotionSensor1.Sensor.AccelerationZ]);
     81       end;
     82       TCustomMotionSensor.TProperty.AngleAccelX:
     83       begin
     84         Label13.Visible := True;
     85         Label13.Text := Format('Angle X: %6.2f', [MotionSensor1.Sensor.AngleAccelX]);
     86       end;
     87       TCustomMotionSensor.TProperty.AngleAccelY:
     88       begin
     89         Label14.Visible := True;
     90         Label14.Text := Format('Angle Y: %6.2f', [MotionSensor1.Sensor.AngleAccelY]);
     91       end;
     92       TCustomMotionSensor.TProperty.AngleAccelZ:
     93       begin
     94         Label15.Visible := True;
     95         Label15.Text := Format('Angle Z: %6.2f', [MotionSensor1.Sensor.AngleAccelZ]);
     96       end;
     97       TCustomMotionSensor.TProperty.Motion:
     98       begin
     99         Label16.Visible := True;
    100         Label16.Text := Format('Motion: %6.2f', [MotionSensor1.Sensor.Motion]);
    101       end;
    102       TCustomMotionSensor.TProperty.Speed:
    103       begin
    104         Label17.Visible := True;
    105         Label17.Text := Format('Speed: %6.2f', [MotionSensor1.Sensor.Speed]);
    106       end;
    107     end;
    108   end;
    109 end;
    110 
    111 end.
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  • 原文地址:https://www.cnblogs.com/FKdelphi/p/4789772.html
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