Android   征集索引贴

Android   收集索引贴

android标题栏(titlebar)显示进度条

http://www.oschina.net/code/snippet_163910_6192

1. [代码][Java]代码     1protected void onCreate(Bundle savedInstanceState) {2    super.onCreate(savedInstanceState);3    requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);//先给Activity注册界面进度条功能4    setContentView(R.layout.main);5    setProgressBarIndeterminateVisibility(true);//在需要显示进度条的时候调用这个方法6    setProgressBarIndeterminateVisibility(false);//在不需要显示进度条的时候调用这个方法7}

2. [图片] device.png    

android有进度条的下载图片并且显示图片
http://blog.csdn.net/springsky_/article/details/7208956

1. URL u = new URL(url);  
2.             URLConnection conn = u.openConnection();  
3.             conn.connect();  
4.             InputStream is = conn.getInputStream();  
5.             fileSize = conn.getContentLength();  
6.             if(fileSize<1||is==null)  
7.             {  
8.                 sendMessage(DOWNLOAD_ERROR);  
9.             }else{  
10.                 sendMessage(DOWNLOAD_PREPARE);  
11.                 FileOutputStream fos = new FileOutputStream(getPath());  
12.                 byte[] bytes = new byte[1024];  
13.                 int len = -1;  
14.                 while((len = is.read(bytes))!=-1)  
15.                 {  
16.                     fos.write(bytes, 0, len);  
17.                     downloadSize+=len;  
18.                     sendMessage(DOWNLOAD_WORK);  
19.                 }  
20.                 sendMessage(DOWNLOAD_OK);  
21.                 is.close();  
22.                 fos.close();  
23.             }