[英]How to create a listener for bottom navigation and navigation drawer in the same activity?
//Here is my java code //这是我的java代码
public class HomeActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener {
BottomNavigationView bottomNavigationView;
NavigationView navigationView;
private BottomNavigationView.OnNavigationItemSelectedListener mOnNavigationItemSelectedListener = new BottomNavigationView.OnNavigationItemSelectedListener() {
@Override
public boolean onNavigationItemSelected(@NonNull final MenuItem item) {
switch (item.getItemId()) {
case R.id.home:
HomeFragment homeFragment=new HomeFragment();
android.support.v4.app.FragmentTransaction fragmentTransaction=getSupportFragmentManager().beginTransaction();
fragmentTransaction.replace(R.id.frameLayout,homeFragment).commit();
return true;
case R.id.navigation_stylist:
StylistFragment stylistsFragment=new StylistFragment();
android.support.v4.app.FragmentTransaction fragmentTransaction1=getSupportFragmentManager().beginTransaction();
fragmentTransaction1.replace(R.id.frameLayout,stylistsFragment).commit();
return true;
case R.id.navigation_apps:
MyapptsFragment myaaptsFragment=new MyapptsFragment();
android.support.v4.app.FragmentTransaction fragmentTransaction2=getSupportFragmentManager().beginTransaction();
fragmentTransaction2.replace(R.id.frameLayout,myaaptsFragment).commit();
return true;
case R.id.navigation_tips:
HairtipsFragment hairtipsFragment=new HairtipsFragment();
android.support.v4.app.FragmentTransaction fragmentTransaction3=getSupportFragmentManager().beginTransaction();
fragmentTransaction3.replace(R.id.frameLayout,hairtipsFragment).commit();
return true;
case R.id.navigation_account:
AccountFragment accountFragment=new AccountFragment();
android.support.v4.app.FragmentTransaction fragmentTransaction4=getSupportFragmentManager().beginTransaction();
fragmentTransaction4.replace(R.id.frameLayout,accountFragment).commit();
return true;
}
return false;
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//start onboarding when app is opening first time
isUserFirstTime = Boolean.valueOf(Utils.readSharedSetting(HomeActivity.this, PREF_USER_FIRST_TIME, "true"));
Intent introIntent = new Intent(HomeActivity.this, OnboardingActivity.class);
introIntent.putExtra(PREF_USER_FIRST_TIME, isUserFirstTime);
if (isUserFirstTime)
startActivity(introIntent);
setContentView(R.layout.activity_home);
bottomNavigationView = findViewById(R.id.bottom_navigation);
navigationView=findViewById(R.id.nav_drawer);
//bottom navigationview listener
bottomNavigationView.setOnNavigationItemSelectedListener(mOnNavigationItemSelectedListener);
BottomNavigationViewHelper.disableShiftMode(bottomNavigationView);
//navigation drawer listener
navigationView.setNavigationItemSelectedListener(this);
//open home fragment on first launch
HomeFragment homeFragment=new HomeFragment();
android.support.v4.app.FragmentTransaction fragmentTransaction=getSupportFragmentManager().beginTransaction();
fragmentTransaction.replace(R.id.frameLayout,homeFragment).commit();
}
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
switch (item.getItemId()) {
case R.id.nav_home:
HomeFragment homeFragment=new HomeFragment();
android.support.v4.app.FragmentTransaction fragmentTransaction=getSupportFragmentManager().beginTransaction();
fragmentTransaction.replace(R.id.frameLayout,homeFragment).commit();
return true;
case R.id.nav_products:
StylistFragment stylistsFragment=new StylistFragment();
android.support.v4.app.FragmentTransaction fragmentTransaction1=getSupportFragmentManager().beginTransaction();
fragmentTransaction1.replace(R.id.frameLayout,stylistsFragment).commit();
return true;
case R.id.nav_promotions:
MyapptsFragment myaaptsFragment=new MyapptsFragment();
android.support.v4.app.FragmentTransaction fragmentTransaction2=getSupportFragmentManager().beginTransaction();
fragmentTransaction2.replace(R.id.frameLayout,myaaptsFragment).commit();
return true;
case R.id.nav_purchases:
HairtipsFragment hairtipsFragment=new HairtipsFragment();
android.support.v4.app.FragmentTransaction fragmentTransaction3=getSupportFragmentManager().beginTransaction();
fragmentTransaction3.replace(R.id.frameLayout,hairtipsFragment).commit();
return true;
case R.id.nav_settings:
AccountFragment accountFragment=new AccountFragment();
android.support.v4.app.FragmentTransaction fragmentTransaction4=getSupportFragmentManager().beginTransaction();
fragmentTransaction4.replace(R.id.frameLayout,accountFragment).commit();
return true;
}
return false;
}
}
// Here is my xml // 这是我的 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"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:openDrawer="start">
<android.support.design.widget.NavigationView
android:id="@+id/nav_drawer"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:fitsSystemWindows="true"
app:theme="@style/menu_text_style"
app:menu="@menu/navigation_drawer" />
<!--app:headerLayout="@layout/nav_header_main"-->
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<FrameLayout
android:id="@+id/frameLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/shadow"
android:animateLayoutChanges="true">
</FrameLayout>
<View
android:id="@+id/shadow"
android:layout_width="match_parent"
android:layout_height="@dimen/_1sdp"
android:layout_above="@id/bottom_navigation"
android:background="@color/shadow"/>
<android.support.design.widget.BottomNavigationView
android:id="@+id/bottom_navigation"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
app:itemIconTint="@color/navigationitem"
app:itemTextColor="@color/navigationitem"
app:menu="@menu/navigation_item"/>
</RelativeLayout>
</android.support.v4.widget.DrawerLayout>
I want to create both navigation drawer and bottom navigation in the same activity.我想在同一个活动中创建导航抽屉和底部导航。 I created XML
design now I have to write java code for both.我创建了XML
设计,现在我必须为两者编写 Java 代码。 Bottom navigation is working perfectly but navigation item clicklistener
is not working.底部导航工作正常,但导航项clicklistener
器不起作用。 I created fragments for navigation drawer and also for bottom navigation.我为导航抽屉和底部导航创建了片段。 When I click the items in navigation drawer it's not redirecting to respective fragment.当我单击导航抽屉中的项目时,它不会重定向到相应的片段。 The given clicklistener
for navigation drawer is not at all working.导航抽屉的给定clicklistener
器根本不起作用。
Solution:解决方案:
Try the following steps to get it working:尝试以下步骤以使其正常工作:
Step1: Implement onNavigationItemSelected
as shown below: Step1:实现onNavigationItemSelected
如下图:
.... extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener {
Step2: Use the method generated by the interface as: Step2:使用接口生成的方法为:
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
switch (item.getItemId()) {
case R.id.your_drawer_item_id:
....
....
case R.id.your_drawer_item_id:
....
....
}
}
Step3: In your class declare a Global variable: Step3:在你的类中声明一个全局变量:
public NavigationView navigationView;
Step4: In your onCreate()
initialize the variable as:步骤 4:在您的onCreate()
中将变量初始化为:
navigationView = (NavigationView) findViewById(R.id.your_nav_view);
Finally: Setup the navigationView:最后:设置导航视图:
navigationView.setNavigationItemSelectedListener(this);
That's it.就是这样。
Hope it works.希望它有效。
DrawerLayout xml:抽屉布局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"
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_vendor_drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<android.support.design.widget.NavigationView
android:id="@+id/nav_drawer_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="@color/White"
android:fitsSystemWindows="true"
app:itemBackground="@android:color/white"
app:itemIconTint="@color/bottom_color"
app:itemTextColor="@color/bottom_color"
app:headerLayout="@layout/nav_header_vendor_drawer_layout"
app:menu="@menu/vendor_drawer_menu" >
</android.support.design.widget.NavigationView>
</android.support.v4.widget.DrawerLayout>
app_bar_vendor_drawer_layout xml app_bar_vendor_drawer_layout xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="logixtic.android.web.vd.driver.activities.DriverDrawerActivity">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/MyMaterialTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@color/Project_Standard"
app:popupTheme="@style/MyMaterialTheme.PopupOverlay" />
</android.support.design.widget.AppBarLayout>
<FrameLayout
android:id="@+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="?attr/actionBarSize"
android:layout_above="@+id/bottom_navigation">
</FrameLayout>
<View
android:layout_width="match_parent"
android:layout_height="3dp"
android:background="@drawable/toolbar_dropshadow_above"
android:layout_above="@id/bottom_navigation"/>
<android.support.design.widget.BottomNavigationView
android:id="@+id/bottom_navigation"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
app:itemBackground="@color/White"
app:itemIconTint="@color/bottom_color"
app:itemTextColor="@color/bottom_color"
app:menu="@menu/vendor_bottom_navigation"/>
</RelativeLayout>
Try it.尝试一下。
You can use on the same activity using a method that recive a MenuItem parameter like this:您可以使用接收 MenuItem 参数的方法在同一活动上使用,如下所示:
private void myClickItem(MenuItem item){
switch (item.getItemId()) {
case R.id.bottom_home:
// DO SOMETHING
break;
case R.id.drawer_main:
// DO SOMETHING
break;
}
}
Then, call like this:然后,像这样调用:
BottomNavigationView bottomNavigationView = findViewById(R.id.bottom_navigation);
bottomNavigationView.setOnNavigationItemSelectedListener(item -> { // using lamda
myClickItem(item); //call here
return true;
});
NavigationView navigationView = findViewById(R.id.nv);
navigationView.setNavigationItemSelectedListener(item -> {
myClickItem(item); // call the same method here
drawerLayout.closeDrawers(); // bonus: hide navigation after click
return false;
});
You don't need to modify your xml res, it'll work fine.您不需要修改您的 xml res,它会正常工作。
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