獲取手機APP的版本號碼,更新日期,位置(symbolic link path)

woff

要獲得App版本資訊
代碼

1. PackageInfo pinfo = null;
   
2. pinfo = getPackageManager().getPackageInfo(pkgname, 0);
   
3. int verCode = pinfo.getVersionCode();
   
4. String verName = pinfo.getVersionName();

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要得到App更新日期

1. PackageManager pm = getPackageManager();
   
2.             ApplicationInfo appInfo = pm.getApplicationInfo(pkgname, 0);
   
3.             String appFile = appInfo.sourceDir;
   
4.             final long installed = new File(appFile).lastModified();
   
5.             SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
   
6.             app_lastdate = sdf.format(new Date(installed));

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要獲得App實體檔案位置可用

1. PackageManager pm = getPackageManager();
   
2. ApplicationInfo appInfo = pm.getApplicationInfo(pkgName, 0);
   
3. File file = new File(appInfo.publicSourceDir);
   
4. String symlinks = <span style="color: rgb(0, 0, 0); font-family: Menlo; font-size: 9pt; background-color: rgb(228, 228, 255);">file</span><span style="background-color: rgb(255, 255, 255); color: rgb(0, 0, 0); font-family: Menlo; font-size: 9pt;">.getAbsolutePath().toString();</span>

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要獲得symbolic link path

1. PackageManager pm = getPackageManager();
   
2.             ApplicationInfo appInfo = pm.getApplicationInfo(pkgName, 0);
   
3.             File file = new File(appInfo.publicSourceDir);
   
4.             String symlinks = file.getCanonicalPath().toString();
   
5.             String symlinkspath = "";
   
6.             if (symlinks.indexOf("sdext2") != -1) {
   
7.                 symlinkspath = "S D";
   
8.             } else if (symlinks.indexOf("drive") != -1) {
   
9.                 symlinkspath = "OTG";
   
10.             } else {
    
11.                 symlinkspath = "";
    
12.             }

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https://stackoverflow.com/questi ... ion-name-in-android
https://stackoverflow.com/questi ... l-time-from-android

http://handd.blog.51cto.com/2796632/1173823