【lua教程】拖动条音量调节
require "import"import "android.app.*"
import "android.os.*"
import "android.widget.*"
import "android.view.*"
import "android.content.*"
import "android.media.AudioManager"
layout={
LinearLayout;
orientation="vertical";
layout_width="match_parent";
layout_height="fill";
{
SeekBar;
id="seekber";
layout_width="match_parent";
};
{
TextView;
textSize="40sp";
layout_width="match_parent";
layout_height="60dp";
textColor="0xD14335C7";
text="当前音量：(自动取整)";
};
{
TextView;
textSize="60sp";
id="edit";
};
};
activity.setTheme(android.R.style.Theme_DeviceDefault_Light)--设置md主题
activity.setTitle("拖动条音量调节")
activity.setContentView(loadlayout(layout))
a="请调整上方拖动条"
istrue=false
function bbc()
edit.text=""..a..""
if istrue == true then
if a>20 then
edit.text="音量最大"
end
end
end
seekber.Progress=15
seekber.setOnSeekBarChangeListener{
onStartTrackingTouch=function()
activity.getSystemService(Context.AUDIO_SERVICE).setStreamVolume(AudioManager.STREAM_MUSIC, seekber.Progress/4.5, 0)
activity.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE)
if istrue==true then
a=seekber.Progress/4.5
bbc(a)
end
end,
onStopTrackingTouch=function()
activity.getSystemService(Context.AUDIO_SERVICE).setStreamVolume(AudioManager.STREAM_MUSIC, seekber.Progress/4.5, 0)
activity.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE)
if istrue==true then
a=seekber.Progress/4.5
bbc(a)
end
end,
onProgressChanged=function()
activity.getSystemService(Context.AUDIO_SERVICE).setStreamVolume(AudioManager.STREAM_MUSIC, seekber.Progress/4.5, 0)
activity.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE)
if istrue==true then
a=seekber.Progress/4.5
bbc(a)
end
istrue=true
end}
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