Android sharing function implementation code

/**
  * Share activity
  */
public class NShareActivity extends AppCompatActivity {
  public final static String EXTRA_STR_TO_SHARE="str_to_share1";

  private class SharedPkgInfo{
    String pkgName;
    Drawable icon;
    String appName;
    String activityClassName;
  }

  class Vh extends  {
    TextView tv;
    ImageView iv;
    public Vh(View itemView) {
      super(itemView);

      (new () {
        @Override
        public void onClick(View view) {
          //Clicked the icon of an app and shared the content with the selected app          Intent share = new Intent(.ACTION_SEND);
          ("text/*");
          (Intent.EXTRA_SUBJECT, "share");
          (Intent.EXTRA_TEXT,);
          //(Intent.EXTRA_STREAM, uri); // Optional, just if you wanna share an image.
          SharedPkgInfo pi = (getAdapterPosition());
          (,);
          //();
          startActivity(share);
        }
      });
    }
  }

  //Get information on packages that support for enjoyment  List<SharedPkgInfo> sharePkgInfo=new ArrayList<>();

  //The text you want to share is here  private String strToShare=null;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    (savedInstanceState);

    Intent intent= ();
    strToShare = (EXTRA_STR_TO_SHARE);

    getAllSharePackages();

    //Put all shareable app icons in a gridview    RecyclerView v=new RecyclerView(this);
    (16,16,16,16);

    GridLayoutManager lm=new GridLayoutManager(this,4);
    (lm);
    (new <Vh>()
    {
      @Override
      public Vh onCreateViewHolder(ViewGroup parent, int viewType) {
        //A new view holder must be created        LinearLayout v=new LinearLayout();
        (8,8,8,8);
        Vh vh=new Vh(v);

        // Create item view first: an icon above and a text below         lp=new (
            .MATCH_PARENT,
            .WRAP_CONTENT);
        ();
        (lp);

        ImageView imgv=new ImageView();
        (new (
            .MATCH_PARENT,
            120));
        TextView tv=new TextView();

        ();
        (imgv);
        (tv);

        =tv;
        =imgv;

        return vh;
      }

      @Override
      public void onBindViewHolder(Vh holder, int position) {
        //Bind view with data        SharedPkgInfo spi=(position);
        ();
        ();
      }

      @Override
      public int getItemCount() {
        return ();
      }
    });

    ();
    (v);
  }

  //Get all package names and pictures that support send Action  void getAllSharePackages()
  {
    Intent share = new Intent(.ACTION_SEND);
    // Use this to analyze the website address:    //("text/plain"); //plain text    ("text/*");
    // gets the list of intents that can be loaded.
    List<ResolveInfo> resInfo = getPackageManager().queryIntentActivities(share, 0);
    if (!()) {
      for (ResolveInfo info : resInfo) {
        SharedPkgInfo spi = new SharedPkgInfo();

         = ;
         = (getPackageManager());
         = (getPackageManager()).toString();
        =;

        (spi);
        //("shared",+" , "++","+);
      }
    }
  }

}