跳至主要内容

Android 在布局容器中动态添加控件

这里,通过一个小demo,就可以掌握在布局容器中动态添加控件,以动态添加Button控件为例,添加其他控件同样道理。
1、addView
添加控件到布局容器
2、removeView
在布局容器中删掉已有的控件


TextView textView=new TextView(MainActivity.this);
views.add(textView);
textView.setText("hello world");

relativeLayout.addView(textView,0);

评论

此博客中的热门博文

onsen ui example splitter side menu swipe

<!DOCTYPE html> <html> <head> <title>TheyTube - Watch free video online</title> <link rel="stylesheet" href="https://unpkg.com/onsenui/css/onsenui.css"> <link rel="stylesheet" href="https://unpkg.com/onsenui/css/onsen-css-components.min.css">   <script src="https://unpkg.com/onsenui/js/onsenui.min.js"></script>   <script type="text/javascript">   ons.platform.select('android')   </script> </head> <body> <ons-splitter>   <ons-splitter-side id="menu" side="left" width="220px" collapse swipeable>     <ons-page>       <ons-list>         <ons-list-item onclick="fn.load('home.html')" tappable>           Home         </ons-list-item>         <ons-list-item onclick="fn.load('settings.html')" tappable>           Setti

go golang get disk usage free space remain info

package main import ( "fmt" "syscall" ) func main() { fmt.Println(DiskUsage("./")) } func DiskUsage(path string) uint64 { fs := syscall.Statfs_t{} err := syscall.Statfs(path, &fs) if err != nil { return 0 } return fs.Bfree * uint64(fs.Bsize) } //All space   = fs.Blocks * uint64(fs.Bsize) //Free space = fs.Bfree * uint64(fs.Bsize) //Used space= fs.All - disk.Free