Android : i want to share my application on facebook but this code is not working

trying to share my application on facebook, i have given a button inside my app,and have given this below code onClick event of the button but it doesn't do anything,please help

       Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
                    shareIntent.setType("text/plain");
                    shareIntent.putExtra(android.content.Intent.EXTRA_TEXT, MYAPP_LINK);

                    PackageManager pm = Activity_Main.this.getPackageManager();
                    List<ResolveInfo> activityList = pm.queryIntentActivities(shareIntent, 0);
                    for (final ResolveInfo app : activityList)
                    {
                        if ((app.activityInfo.name).contains("facebook") || (app.activityInfo.name).contains("Facebook"))
                        {
                            final ActivityInfo activity = app.activityInfo;
                            final ComponentName name = new ComponentName(activity.applicationInfo.packageName, activity.name);
                            shareIntent.addCategory(Intent.CATEGORY_LAUNCHER);
                            shareIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
                            shareIntent.setComponent(name);
                            Main_Activity.this.startActivity(shareIntent);
                        }
                    }