获取已经安装的包名，名字，版本，图标

来源：互联网发布：linux 命令全称编辑：程序博客网时间：2024/04/28 16:48

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;
}