2、资源管理器文件浏览器参考

1、资源管理器（文件浏览器【实验内资资源管理器（文件浏览器【实验内资源管理器（文件浏览器【实验目了解资源管理器_文件浏览器的用法】开源平板【关键代1源文件publicclassrowserprivate sic final_ID_COPY =private sic final_ID_ABOUT =+1; private sic final_ID_QUIT =+ 2; private ImageButton back, backToRoot;/ privateFileroot=new/ privateFilecurDir=/ private File files; privateFiledestFi

2、le=/ isCut=/* Called when the activity iscreated.*/ protected void onCreate(Bundle icicle)/ / publicvoid/ curDir=list/ publicvoid/ curDir=list=/ back.setOnClickListener(new publicvoidonClick(View/ backToRoot.setOnClickListener(new View.OnClickListener()publicvoidonClick(View/* 浏览目录dir*/ privatevoidg

3、etFileDir(File/ / 2/ curDir=/ / shMap/ curDir=/ / shMap fileList = new shMapString, / files=/* */ for (File file : files)/ HashMapfileMap=newHashMap fileMap.put(fileSize,(newDouble(file.length()/10000/100.0).toString()+M); else if(file.length() 1024)fileMap.put(fileSize,(newDouble(file.length()/10)/

4、100.0).toString()+K); fileMap.put(fileSize, /elsefileMap.put(fileSize, fileMap.put(fileDate, 3/ SimpleAdapter adapter = new SimpleAdapter(this, R.layout.file_row,newimg,fileName,fileSize,fileDate,/ SimpleAdapter adapter = new SimpleAdapter(this, R.layout.file_row,newimg,fileName,fileSize,fileDate, R

5、.id.imgView, R.id fileName, R.id.fileSize, R.id.fileDate /* 事件,list.setOnItemClickListener(new publicvoidonItemClick(AdapterViewarg0,Viewarg1, long arg3)/ finalFilefile=/ 读ifif/* */ /* */ else/* newnewpublicvoiderfacelist.setOnItemLongClickListener(new onItemLongClick(AdapterView arg0, View arg2,lon

6、g4returnpublicvoid(finalFileOnClickListener listener = new publicvoid returnpublicvoid(finalFileOnClickListener listener = new publicvoid erface/ AlertDialog dlg = new + + itiveButton(确定, / if(which=if(which=1destFile=file; isCut = false;/ AlertDialog dlg = new + + itiveButton(确定, 5elseifwhich2destF

7、ile=/这0 表示剪切操isCut=/ elseifwhich2destFile=/这0 表示剪切操isCut=/ if(which=/自定义一个带输入框由TextView final LayoutInflater factory = finalViewdialogview=factory.inflate(R.layout.rename,/TextView 的提示dialogview.findViewById(R.id.TextView01).setText(重命名/EditText 输入框初始(EditText) new AlertDialog.OnClickListener() publ

8、icvoiderface /点击确定之which) Stringvalue=if(new File(value).exists()builder.setTitle(重命名builder.setMessage(文件名重复，是否需newAlertDialog.OnClickListener()publicvoiderfacedialogview =file6new Dialogerface.OnClickListener() publicvoiderface new Dialogerface.OnClickListener() publicvoiderface new Dialogerface.O

9、nClickListener() publicvoiderface elseif(which=4builder.setMessage(确定删除newAlertDialog.OnClickListener()publicvoiderfaceif(deleteFile(file)rowser.this,删除失败！, 7new Dialogerface.OnClickListener() publicvoiderface /显示操作菜new Dialogerface.OnClickListener() publicvoiderface /显示操作菜=打开,剪切,重命名,删除new .setTitle

10、(请选择你要进行的操作file)if(file!=return true;catch(Exceptionreturn false;returnopenFile(File*ent=8*UriFILE_OPEN_URI=Uri*ent.setData(FILE_OPEN_URI); try *catch(ActivityNotFoundException *Toast.LENGTH_SHORT).show(); *UriFILE_OPEN_URI=Uri*ent.setData(FILE_OPEN_URI); try *catch(ActivityNotFoundException *Toast.

11、LENGTH_SHORT).show(); *ent=* file.getAbsolutePath(); try catch(ActivityNotFoundException *Toast.LENGTH_SHORT).show(); /*MIMETyepent2=/ ent2.addFlags( ent.FLAG_ACTIVITY_NEW_TASK); ent2.addFlags( ent.FLAG_GRANT_READ_URI_PERMIS ent2.setAction( ent.ACTION_VIEW);/ 取得当前文件的绝对路径名+String type = getMIMEType(f

12、ile); return.add(.add(.add()_ID_COPY, 0, 粘贴_ID_ABOUT, 1, 关于_ID_QUIT, 2, 退出return publicvoidcopyFile(Filesrc,InputStream in = null; )9,catch(IOExceptionItem ecopyFile(destFile,newFile(curDir.getAbsolutePath()catch(IOExceptionItem ecopyFile(destFile,newFile(curDir.getAbsolutePath()+/+destFile.getName(

13、); return()if(destFile!=return Stringtype=StringfileName=/ String endName = fileName.substring(fileName.lastIndexOf(.) + 1if (endName.equals(mp3) | |type=elseif(endName.equals(3gp)|if (endName.equals(mp3) | |type=elseif(endName.equals(3gp)|type =elseif(endName.equals(jpg)|endName.equals(png)|type = image;type=*; type+=/*; return type;/*publicnativeic ?xml =1.0 encoding=utf-LinearLayout