【lua教程】自绘制开关

wangy

1. require "import"
   
2. import "android.app.*"
   $ c: J0 K$ q; E. c; @; `
3. import "android.os.*"
   9 m8 |; c2 j' o- e
4. import "android.widget.*"
   1 w) J' _) Q- K4 p1 j/ }) F
5. import "android.view.*"
   % a3 F2 X, w1 P2 d7 j  h( t
6. import "android.graphics.drawable.GradientDrawable"
   
7. 
   
8. activity.setTitle('AndroLua+')
   $ S7 O4 u0 ^% R2 @
9. activity.setTheme(android.R.style.Theme_DeviceDefault_Light)--设置md主题
   ( b' T" Q3 n& ~
10. activity.setContentView(loadlayout({
    
11.   LinearLayout;
    . n  m0 H+ y5 T/ d
12.   gravity="center";
    8 i4 d1 `6 Y  Z( S4 ?/ |6 |
13.   layout_height="fill";
    ; B, x, A8 h9 _, P/ I
14.   layout_width="fill";
    
15.   orientation="vertical";
    9 j' A* |. h9 l, M* W" \3 y
16.   --BackgroundColor="#ffffff00",
    : V/ M' r. c$ v* S% w
17.   id="fhhk";
    
18.   {
    
19.     Switch;
    
20.     id="Grt";
    
21.   };
    
22.   {
    
23.     Switch;
    
24.     id="Grt1";
    7 C2 w4 B. S8 V( |7 n
25.   };
    ; \5 b# p3 X2 z  ^+ ~' ?
26.   {
    % k' R8 a9 P5 \9 N% Y
27.     Switch;
    
28.     id="Grt2";
    
29.   };
    : C, o" j% |: V$ Q4 G* n' \& r
30.   {
    
31.     Switch;
    7 {3 G9 z8 V/ l
32.     id="Grt3";
    
33.   };
    
34.   {
    4 _  Q0 E6 h/ B, p" J$ S
35.     Switch;
    
36.   };
    
37. }))
    " W& Z( C7 h8 [+ |
38. 
    
39. --转换像素单位
    ( z" X; f8 {4 W6 Z$ `
40. dip={toPx=function(context, dpValue)
    3 e8 E% H0 e. X
41.     scale = context.getResources().getDisplayMetrics().density;
    - i: {7 U" P" A# T# r, k
42.     return dpValue * scale + 0.5
    
43. end}
    
44. 
    
45. function CircleBack_SeekDra(InsideColor,Ad_Size,ble,Colorse3)
    % ]2 O9 v6 A6 l6 ~. K% O% ^* k
46.   local colors = InsideColor
    : E& `1 w, p$ K% i; d' p/ d) e/ s
47.   local Sizes=dip.toPx(this,Ad_Size)--设置开关大小
    9 c& X+ H4 b% }  N* ~. m
48.   local Stroke=dip.toPx(this,7)--设置拖块边距
    6 z7 w4 ?/ `) J5 ^* B4 N- |
49.   local Track_Stroke=dip.toPx(this,0)--设置背景边距
    1 L* r$ l' D( C+ B
50.   local drawable = GradientDrawable(GradientDrawable.Orientation.TOP_BOTTOM,{});
    
51.   drawable.setCornerRadius(Sizes/2);
    
52.   drawable.setColor(InsideColor)
    ( h  k0 V: r3 y0 p! b! f0 G
53.   if ble
    6 A  t2 ?4 n4 e( `6 w
54.     drawable.setStroke(Stroke, 0x00ffffff)
    
55.     drawable.setSize(Sizes,Sizes)
    + x5 N% J% U- r  I4 r3 }) n2 N! Q
56.    else
      ~0 A' F" X9 q( j- h0 q8 R
57.     drawable.setAlpha(60)
    
58.     drawable.setStroke(Track_Stroke, 0x00ffffff)
    4 ?5 G( h) Q* T) Z. |
59.   end
    
60.   drawable.setGradientType(GradientDrawable.RECTANGLE);
    , c% ?& M9 W6 J/ D( D, I
61.   return drawable
    2 T  y5 P: f. {* f. j
62. end
    $ V  C5 O" c% f$ G
63. 
    2 g! l) Z# K1 `6 m  t( L$ D' {' \  a
64. Switch_x=function(view,Colors,Colors2,Colors3,Ad_Size)
      t/ v# X/ j. _( j: K
65.   pcall(function()
    9 h0 M6 _: p. @6 Q, d$ b
66.     if view.isChecked()
    , z2 Q$ _# O2 y
67.       Colorse=Colors
    % X5 a1 N7 X! t6 f5 ^
68.       Colorse2=Colors
    
69.      else
    . J9 R+ o8 P1 [* ?" u9 w% z
70.       Colorse=Colors2
    . a* e6 s4 d( b$ I9 o
71.       Colorse2=Colors3
    $ a: H. h; `! G) V3 L9 v
72.     end
    : o1 b# P3 x% H
73.     local padd_W=dip.toPx(this,Ad_Size/2.5)
    
74.     view.setThumbDrawable(CircleBack_SeekDra(Colorse,Ad_Size,true))
    / `* O2 `' v8 V) c
75.     .setTrackDrawable(CircleBack_SeekDra(Colorse2,Ad_Size,false))
    
76.     .setPadding(padd_W,padd_W,padd_W,padd_W)
    
77.   end)
    % z2 H/ A& X% t- b
78. end
    ( w$ Q# ~+ W7 P* Q! U
79. 
    
80. Grt.setOnCheckedChangeListener({
    
81.   onCheckedChanged=function(buttonView, isChecked)
    
82.     Switch_x(Grt,Ad_Color,Ad_Color2,Ad_Color3,Ad_Size,Ad_Padding)--更新状态
    " u( k! h9 P5 v/ j) G5 x
83. end})
    0 X. N9 P* r, W% k  T( K% H7 Q: B
84. Grt1.setOnCheckedChangeListener({
    
85.   onCheckedChanged=function(buttonView, isChecked)
    ! E& I0 L$ O. K2 ?4 i
86.     Switch_x(Grt1,0xffff6e17,0xFFECECEC,0xff000000,35,7)--预加载
    6 P' c# M3 p" e
87. end})
    5 g' o1 p& n- m8 h* h0 Q2 t+ F  B+ E
88. Grt2.setOnCheckedChangeListener({
    
89.   onCheckedChanged=function(buttonView, isChecked)
    
90.     Switch_x(Grt2,0xff2ecbff,0xFFECECEC,0xff000000,45,7)--预加载
    
91. end})
    
92. Grt3.setOnCheckedChangeListener({
    5 ^1 w1 Y, ?$ f% q9 L( e7 l; V9 q
93.   onCheckedChanged=function(buttonView, isChecked)
    
94.     Switch_x(Grt3,0xffae5dff,0xFFECECEC,0xff000000,55,7)--预加载
      X+ O8 |( j' Y3 Y1 y
95. end})
    
96. 
    
97. Ad_Color=0xffff0000--边框颜色与拖块选中颜色
    5 i" B. {1 A% V7 t
98. Ad_Color3=0xff000000--设置底部背景未选中颜色
    , O9 E3 v) N/ I/ J5 I. K5 b  w7 O
99. Ad_Color2=0xFFECECEC
    
100. Ad_Size=25--按钮的大小dip
       b& s+ g, M5 |  x6 I& C7 e/ L" A# X
101. Ad_Padding=7--设置拖块边距范围dip
     0 d1 t( U- t: Y
102. Switch_x(Grt,Ad_Color,Ad_Color2,Ad_Color3,Ad_Size,Ad_Padding)--预加载
     
103. Switch_x(Grt1,0xffff6e17,0xFFECECEC,0xff000000,35,7)--预加载
     6 Z) u; J' Z% Q, w
104. Switch_x(Grt2,0xff2ecbff,0xFFECECEC,0xff000000,45,7)--预加载
     " [: w5 p9 o& Q1 z. D' f5 W
105. Switch_x(Grt3,0xffae5dff,0xFFECECEC,0xff000000,55,7)--预加载
     ; h2 [9 G: D$ l* ]& `. \! f- ~
106. 
     " E3 e# }* t& W. Z$ V. k3 t0 Y
107. 来源:代码手册 Robin

复制代码