【lua教程】拖动条音量调节

wangy · 发表于 2021-7-1 08:27:55

require "import"7 m1 D) x( S& C- Z) I
import "android.app.*", a8 h F( l- N M, Y
import "android.os.*"
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import "android.widget.*"
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import "android.view.*"
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import "android.content.*"
import "android.media.AudioManager"3 B, w% u- b/ v9 }0 L! R: P- T
layout={& P. h N* O7 s# o$ f" L* w+ g
LinearLayout;. [: z- A* ~1 p3 ?: B* b
orientation="vertical";
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layout_width="match_parent";
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layout_height="fill";2 V6 C: W$ K; p8 q- Y2 d* h$ ^
{
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SeekBar;
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id="seekber";
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layout_width="match_parent";
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TextView;' d8 V; z; Q/ M6 T
textSize="40sp";% a) d7 w" f7 ?0 m! _
layout_width="match_parent";
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layout_height="60dp";
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textColor="0xD14335C7";0 P/ ?4 x) U' d# E1 N' L& X
text="当前音量：(自动取整)";
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};
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{
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TextView;! U3 ?1 A0 j' Y. H; d& J
textSize="60sp";9 D) {8 }% {, x7 e7 a
id="edit";
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activity.setTheme(android.R.style.Theme_DeviceDefault_Light)--设置md主题. r7 f+ ]# X( B6 n5 k
activity.setTitle("拖动条音量调节")
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activity.setContentView(loadlayout(layout))
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a="请调整上方拖动条"$ s \0 ?# v* T
istrue=false
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function bbc()
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edit.text=""..a..""
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if istrue == true then
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if a>20 then
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edit.text="音量最大"2 X& T; R) g" n, C* l
end
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end
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end
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seekber.Progress=15+ u# \* N' Y( O2 f9 B4 n
seekber.setOnSeekBarChangeListener{
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onStartTrackingTouch=function()
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activity.getSystemService(Context.AUDIO_SERVICE).setStreamVolume(AudioManager.STREAM_MUSIC, seekber.Progress/4.5, 0)
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activity.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE)# A' N1 K! t) Y( B' T
if istrue==true then
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a=seekber.Progress/4.5' I4 V. U0 t; S. `2 e
bbc(a)
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end
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end,' U r- m( P) f8 b% N
onStopTrackingTouch=function()
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activity.getSystemService(Context.AUDIO_SERVICE).setStreamVolume(AudioManager.STREAM_MUSIC, seekber.Progress/4.5, 0)
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activity.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE)" z; X# W0 h2 n; e2 J' V
if istrue==true then
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a=seekber.Progress/4.5( X- D9 `/ e9 B0 U$ d# [
bbc(a)
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end
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end,; e7 X" S$ X5 M% R/ [
onProgressChanged=function(). ~6 K- W8 l- t U6 B7 t4 n
activity.getSystemService(Context.AUDIO_SERVICE).setStreamVolume(AudioManager.STREAM_MUSIC, seekber.Progress/4.5, 0)
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activity.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE)( s4 B, C0 s9 i3 d
if istrue==true then9 C; p) I2 F8 q+ X* v; W) @
a=seekber.Progress/4.5* o( `% v% |7 l, Y% v# K; w
bbc(a)
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end2 z7 t7 e& x0 t h, ]
istrue=true
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end}* V0 f7 L7 s$ r; P

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[lua教程] 【lua教程】拖动条音量调节

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