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" l# a* U& Q6 a- require "import"
9 F" n$ G* l7 C$ w. G5 J% v - import "android.app.*"
, q3 j7 |- p' H9 n - import "android.os.*"
$ ]- @3 g& |: ]$ E5 Q - import "android.widget.*"$ Y( G* O+ P9 b- |, a+ V, Z
- import "android.view.*"
! a# {' z0 v% J0 x" z - layout={% u7 v8 V6 L! M; X3 Z0 y* b I. r
- FrameLayout;! l5 b+ f1 t; c' Q2 x. Z8 [7 b
- " X) B3 o3 V3 b- V& h9 l9 L
- {
5 {4 Y2 y$ g1 P3 l( f& O4 g - LinearLayout;
& e/ `4 f! _( R% A+ G9 K0 [ - layout_height="match_parent";
. d8 p; D; O7 N$ C8 K - layout_width="match_parent";
# }6 x1 F, G$ h2 e - orientation="vertical";
! f# B7 K) x0 Z) G K! m - background=背景色;1 n A% f9 p! b9 {$ P
- {5 }2 r* `0 L! `4 ]4 K
- ImageView;
/ n) ]5 o7 \/ o+ S! t - id="png";. O! D) O/ H: _0 n- O5 Y' ^0 D Y3 Q
- layout_width="match_parent";7 d ^- [2 g ^
- src="res/Metrial491.png";1 {/ ` W! T# y
- layout_height="30%h";
/ e" u- }, c+ M+ a8 c8 k$ E - };
9 S7 c/ i2 [# P- y% q3 a2 S - {; K' [5 _- U: Y. ^2 G* T
- EditText;% `/ ~: x, v0 v$ v
- hint="Base64码";5 Y9 c) j m# L7 k h: b4 r
- -- MaxLines=6,$ I H# u5 F1 a; k9 M& f
- layout_width="match_parent";
5 ?: O- S3 } j2 w. E2 D- I, h - id="ed";
% a2 y; `* L& o+ M# ? - layout_height="wrap_content"; r) y/ t/ C+ ?( e7 ?/ I) g; F f
- };; o# Y3 @# m. ~' X( I
- };, ?- ]7 S0 g/ U) a/ Q3 [ N
- / l9 ^* u7 b: r* U* `, u6 x
4 n# s8 S" X8 X/ l' q- {
2 J) O2 M" C5 B2 d - CardView;
* U7 J7 U. B8 f0 }% G) C3 I: U - background=次色;
% ?/ ~% U2 x6 s9 P0 O% g/ ` - radius="28dp";8 {6 P4 G1 v' g
- layout_margin="16dp";
0 E- ?) w0 Z0 @6 a( H& d6 _ - id="按钮"; b( o8 }2 a" }8 u6 b4 g
- layout_height="56dp";
' B1 b; a5 w( A# z1 A8 Y - CardElevation="4dp";0 |6 m4 S- {" k; ]0 S2 f
- layout_gravity="bottom|right";
0 M- p6 ?& ]4 r U% {( W8 s - layout_width="56dp";) q% w6 s( B2 V0 ^/ v) b
- {/ M7 R! ~+ ^: r c
- LinearLayout;6 e7 r' Q6 |6 Y
- id="转换";7 ^: d: F7 h6 o4 c7 S' X' w7 t
- layout_height="74dp";. M' z' `0 W8 q Y2 A
- layout_gravity="center";$ I" M5 }: z! m% w9 [ p
- style="?android:attr/buttonBarButtonStyle";
0 R# ~ ?2 g0 X2 a$ c4 I/ O* i - layout_width="74dp";
% m( n* N' Z) }& t) {, @9 F - {
o, j. {5 G1 R/ G: ]* K- V. E - ImageView;+ i& c) |4 g: v" Y4 Z, c2 |# K
- colorFilter="#ffffffff";
0 I* Z' @! i( g8 R9 [# r - layout_width="25dp";6 ]' ^7 }3 k3 U8 a1 R2 @
- layout_height="25dp";
( ?, r" \# E- R ^4 h; \ - layout_gravity="center";/ y2 g: n+ v# F* q8 u1 r
- src="res/swap_horiz_black_24dp.png";
. W$ A0 g: Z: ~ L8 c - };. k, O" H* i T: A
- };: V. I) j2 b; g4 `- T! J
- };
* X) p' P& y# U4 A4 a( X' M6 a - };
* z* r# d) f# Z: d R: E - + i) r k; ^: i" W
- * D1 q7 L4 i" M& W
# _9 e* u7 }& Y# p6 h- activity.setTitle("Base64图片互转")
9 Z Y/ V, w: Y) w/ r0 g - activity.setContentView(loadlayout(layout))3 b2 n% h. M: v/ d2 d
, X# w" b7 U( G0 S- function 图片转base64(bitmap)7 Y6 g: s8 B1 _; v6 E
- local bStream = ByteArrayOutputStream();
% @ @4 f/ j6 y' e% h* t& j I - bitmap.compress(Bitmap.CompressFormat.PNG, 100, bStream);
4 G, [7 c# O0 O* Y - local bytes = bStream.toByteArray();
! L8 [8 [& r1 K; F - local txt = Base64.encodeToString(bytes, Base64.DEFAULT);
' M3 X4 P) D q% o" h - return txt
) F: [+ h" S9 l" |7 H! m% [/ [5 M - end: U! P" j, m/ [; T! B! l
- & }3 \% n/ |: Q2 `6 P$ Y' |
- function base64串转图片(strin)- G5 F& M- e a7 N" I$ X
- local bitmapArray = Base64.decode(strin, Base64.DEFAULT);0 H% m# A' e) C+ @& [/ ^% [
- local bitmap = BitmapFactory.decodeByteArray(bitmapArray, 0,#bitmapArray);6 a. x" p p# @4 S; o! K, y x3 P
- return bitmap/ D/ } O$ ~- l, \
- end
. k+ B' n$ O1 X1 O% f+ u, ?8 T$ y7 L
& u& @' N) C: [- 9 {4 \% p8 y- {7 g9 M2 r; b
- 转换.onClick=function! {& Y% l3 i( D9 ^ Z3 @
- if ed.Text=="" then2 W* Q5 k: N$ b( \
- png.setDrawingCacheEnabled(true);4 Y0 [; Y+ n8 g& F: }) m& _
- 资源 = png.getDrawingCache()4 l( u9 O% G) A+ V& D# k8 S
- ed.Text = 图片转base64(资源)
* ]4 n) u; p- \2 F, I - else
! m( ]" F: ^" o9 A. f5 d* V, u - 资源 = base64串转图片(ed.Text)
' {0 J8 I+ s# j1 ^ - png.setImageBitmap(资源)) @5 C5 m. r1 N$ ?0 R
- end
& c& O8 ^; }+ W& X, S7 \1 u - end
2 u7 x& R* b( M- m% P0 h! A
4 q3 R4 U. z* ]! b- w0 N
9 @/ c3 W( h$ D6 F' P+ p1 H* _+ b! }- png.onClick=function; J- d0 N* R' ?7 V
- local intent= Intent(Intent.ACTION_PICK)" I) A- a4 _, B8 O7 j
- intent.setType("image/*")
5 e5 t. |, |+ Q: H2 @: U$ [ - activity.startActivityForResult(intent, 1)2 r" z; M T3 J4 a2 E
- end
8 C' m3 W& P0 C9 o7 n8 A - . a; A1 v# H+ ~# |' Y0 V
- function onActivityResult(requestCode,resultCode,intent)9 b. q& p6 G7 s2 f# Z
- if intent then) d" Q ?& k+ U- K
- local cursor =this.getContentResolver ().query(intent.getData(), nil, nil, nil, nil)
1 G3 T: u$ T# S, ?; y - cursor.moveToFirst()
, ~9 f( H& `! j6 E6 c3 \5 U3 d - local idx = cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA)+ I6 U6 ]% C7 m4 J, [) J) h
- fileSrc = cursor.getString(idx)# H/ |& h1 h: Z9 Q% n6 H
- bit = BitmapFactory.decodeFile(fileSrc); ] O) }4 x* K' O% z) m
- png.setImageBitmap(bit)
9 @4 H: q9 h" m2 ]3 c - end
8 w4 w4 V- y D8 X - end
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