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Apps Hide menu group by java?

AmrAbdeen

Lurker
Jul 30, 2016
2
0
Hi,
i beginner into android & Java :)


ACTIVITY.xml
Code:
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">

    <group  android:checkableBehavior="single"
            android:id="@+id/EGYPT"
            android:visible="true">

        <item
            android:id="@+id/x1"
            android:icon="@drawable/ic_radio_button_unchecked_black_24dp"
            android:title="v1"/>
        <item
            android:id="@+id/x2"
            android:icon="@drawable/ic_radio_button_unchecked_black_24dp"
            android:title="v2"/>
        <item
            android:id="@+id/x3"
            android:icon="@drawable/ic_radio_button_unchecked_black_24dp"
            android:title="v3"/>

    </group>

    <item android:title="Communicate">
        <menu>
            <item
                android:id="@+id/nav_share"
                android:icon="@drawable/ic_menu_share"
                android:title="Share" />
            <item
                android:id="@+id/nav_send"
                android:icon="@drawable/ic_menu_send"
                android:title="Send" />
        </menu>
    </item>

</menu>



ACTIVITY.java
Code:
package com.example.amr.myapplication;

import android.content.Context;
import android.os.Bundle;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.telephony.TelephonyManager;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.TextView;

import java.util.Locale;

public class MainActivity1 extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    WebView browser;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main1);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);


        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
        drawer.setDrawerListener(toggle);
        toggle.syncState();

        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);

// MyCode
        browser = (WebView) findViewById(R.id.webView);
        browser.setWebViewClient(new MyBrowser());
        browser.getSettings().setLoadsImagesAutomatically(true);
        browser.getSettings().setJavaScriptEnabled(true);
        browser.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
        browser.loadUrl("http://www.youm7.com/");
//

    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu){
        super.onPrepareOptionsMenu(menu);
        menu.clear();

        menu.setGroupVisible(R.id.EGYPT,false);

        return true;
    }

    @Override
    public void onBackPressed() {
        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        if (drawer.isDrawerOpen(GravityCompat.START)) {
            drawer.closeDrawer(GravityCompat.START);
        } else {
            super.onBackPressed();
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main_activity1, menu);

        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();


        return super.onOptionsItemSelected(item);
    }



    @Override
    public boolean onNavigationItemSelected(MenuItem item) {
        // Handle navigation view item clicks here.

        int grp_id = item.getGroupId();


        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawer.closeDrawer(GravityCompat.START);
        return true;
    }


     private class MyBrowser extends WebViewClient{
         //@Override
         public boolean shoudOverrideUrlLoading(WebView view, String url){
             view.loadUrl(url);
             return true;
         }
     }



}

:: My problem is ..
I want check Group id when start up activity .. IF group id = EGYPT then Hidden or Invisible Group .
I tried more than once but i can't do that ..


Please help me..
Thanks ..
 

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