android 遍历安装过的包名

pageManage = getPackageManager();

List<PackageInfo> packages = pageManage.getInstalledPackages(0);

for(int i=0;i<packages.size();i++) {

PackageInfo packageInfo = packages.get(i);

String appName = packageInfo.applicationInfo.loadLabel(getPackageManager()).toString();

String pagName = packageInfo.packageName;

if(pagName.equals("com.cric.mobile.manager")){

image.setBackgroundDrawable(packageInfo.applicationInfo.loadIcon(pageManage));

Intent intent = pageManage.getLaunchIntentForPackage("com.cric.mobile.manager");

startActivity(intent);