（转）获取所有安装的应用

class PInfo {       private String appname = "";       private String pname = "";       private String versionName = "";       private int versionCode = 0;       private Drawable icon;       private void prettyPrint() {           log(appname + "\t" + pname + "\t" + versionName + "\t" + versionCode + "\t");       }   }     private void listPackages() {       ArrayList<PInfo> apps = getInstalledApps(false); /* false = no system packages */      final int max = apps.size();       for (int i=0; i<max; i++) {           apps.get(i).prettyPrint();       }   }     private ArrayList<PInfo> getInstalledApps(boolean getSysPackages) {       ArrayList<PInfo> res = new ArrayList<PInfo>();               List<PackageInfo> packs = getPackageManager().getInstalledPackages(0);       for(int i=0;i<packs.size();i++) {           PackageInfo p = packs.get(i);           if ((!getSysPackages) && (p.versionName == null)) {               continue ;           }           PInfo newInfo = new PInfo();           newInfo.appname = p.applicationInfo.loadLabel(getPackageManager()).toString();           newInfo.pname = p.packageName;           newInfo.versionName = p.versionName;           newInfo.versionCode = p.versionCode;           newInfo.icon = p.applicationInfo.loadIcon(getPackageManager());           res.add(newInfo);       }       return res;    }  

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