安卓判断手机是否安装了微博

public static boolean isWeiboInstalled(@NonNull Context context) {
PackageManager pm;
if ((pm = context.getApplicationContext().getPackageManager()) == null) {
return false;
}
List<PackageInfo> packages = pm.getInstalledPackages(0);
for (PackageInfo info : packages) {
String name = info.packageName.toLowerCase(Locale.ENGLISH);
if ("com.sina.weibo".equals(name)) {
return true;
}
}
return false;
}