I'm trying to get the navigation drawer down, i've followed a few tutorials around the internet however they all end up not working. Now I know it's something simple but I can't figure it out. Menu opens, main fragment loads, but if I click a new fragment, nothing works. ideas?
activity_main.xml <?xml version="1.0" encoding="utf-8"?> <android.support.v4.widget.DrawerLayout xmlns:android= "http://schemas.android.com/apk/res/android"; xmlns:app="http://schemas.android.com/apk/res-auto"; xmlns:tools="http://schemas.android.com/tools"; xmlns:ads="http://schemas.android.com/apk/res-auto"; android:id="@+id/drawer_layout" android:layout_width="match_parent" android:layout_height="match_parent" android:fitsSystemWindows="true" tools:openDrawer="start"> <include layout="@layout/app_bar_main" android:layout_width="match_parent" android:layout_height="match_parent" /> <android.support.design.widget.NavigationView android:id="@+id/nav_view" android:layout_width="wrap_content" android:layout_height="match_parent" android:layout_gravity="start" android:fitsSystemWindows="true" app:headerLayout="@layout/nav_header_main" app:menu="@menu/activity_main_drawer" /> </android.support.v4.widget.DrawerLayout> MainFragment java package com.autotools.autotools; import android.app.Activity; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; public class MainFragment extends Fragment { public MainFragment() { } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_main, container, false); // Inflate the layout for this fragment return rootView; } } Second Fragment package com.autotools.autotools; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; public class autoLoanFragment extends Fragment { public autoLoanFragment(){ } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.fragment_autoloan,container,false); } } MainActivity java package com.autotools.autotools; import android.support.v4.app.FragmentManager; import android.os.Bundle; import android.support.design.widget.FloatingActionButton; import android.support.design.widget.Snackbar; import android.view.View; 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.view.Menu; import android.view.MenuItem; import com.google.android.gms.ads.AdRequest; import com.google.android.gms.ads.AdView; public class MainActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); 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); MainFragment fragment = new MainFragment(); android.support.v4.app.FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction(); fragmentTransaction.replace(R.id.content_frame, fragment); fragmentTransaction.commit(); } @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, 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(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } @SuppressWarnings("StatementWithEmptyBody") @Override public boolean onNavigationItemSelected(MenuItem item) { // Handle navigation view item clicks here. int id = item.getItemId(); if (id == R.id.nav_home) { MainFragment fragment = new MainFragment(); android.support.v4.app.FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction(); fragmentTransaction.replace(R.id.content_frame, fragment); fragmentTransaction.commit(); } else if (id == R.id.nav_autoLoan) { autoLoanFragment fragment = new autoLoanFragment(); android.support.v4.app.FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction(); fragmentTransaction.replace(R.id.content_frame, fragment); fragmentTransaction.commit(); } else if (id == R.id.nav_gas) { } else if (id == R.id.nav_settings) { } else if (id == R.id.nav_share) { } else if (id == R.id.nav_send) { } DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout ); drawer.closeDrawer(GravityCompat.START); return true; } } Fragment_main xml <?xml version="1.0" encoding="utf-8"?> <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"; android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textAppearance="?android:attr/textAppearanceLarge" android:text="Large Text" android:id="@+id/textView2" android:layout_gravity="center_horizontal|top" /> </FrameLayout> activity_main_drawer xml <?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android";> <group android:checkableBehavior="single"> <item android:id="@+id/nav_home" android:icon="@drawable/ic_info_black_48dp" android:title="Home" /> <item android:id="@+id/nav_autoLoan" android:icon="@drawable/ic_attach_money_black_48dp" android:title="Auto Loan Calculator" /> <item android:id="@+id/nav_gas" android:icon="@drawable/ic_local_gas_station_black_48dp" android:title="Slideshow" /> <item android:id="@+id/nav_settings" android:icon="@drawable/ic_settings_black_48dp" android:title="Settings" /> </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> -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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