[英]AndroidX Navigation Drawer
After searching and searching I can't make the full step to AndroidX. 在搜索之后,我无法全面迈向AndroidX。 I have problems with Navigation Drawer.
我的导航抽屉有问题。
<android.support.design.internal.BottomNavigationView
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_page"
app:menu="@menu/activity_main_page_drawer" />
I have changed navigationView to bottomNavigationView. 我已将navigationView更改为bottomNavigationView。
//NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
BottomNavigationView bottomNavView = (BottomNavigationView) findViewById(R.id.nav_view);
bottomNavView.setNavigationItemSelectedListener(this);
View headerView = bottomNavView.getHeaderView(0);
TextView navUsername = (TextView) headerView.findViewById(R.id.textnav);
navUsername.setText(str);
public class MainPageActivity extends AppCompatActivity
implements BottomNavigationView.OnNavigationItemSelectedListener {
But I don't get it to work. 但是我不起作用。 Now other errors appear,
现在出现其他错误,
Error: 错误:
cannot find symbol method setNavigationItemSelectedListener(MainPageActivity) bottomNavView.setNavigationItemSelectedListener(this);
找不到符号方法setNavigationItemSelectedListener(MainPageActivity)bottomNavView.setNavigationItemSelectedListener(this); ^ symbol: method setNavigationItemSelectedListener(MainPageActivity) cannot find symbol method getHeaderView(int) View headerView = bottomNavView.getHeaderView(0);
^ symbol:方法setNavigationItemSelectedListener(MainPageActivity)找不到符号方法getHeaderView(int)View headerView = bottomNavView.getHeaderView(0); ^ symbol: method getHeaderView(int)
^符号:方法getHeaderView(int)
How can I solve all these errors? 我该如何解决所有这些错误?
You should use headerlayout
for navigation drawer
instead of BottomNavigation 您应该将
headerlayout
用于navigation drawer
而不是BottomNavigation
AndroidX
is a major improvement to the original Android Support Library.
AndroidX
是对原始Android Support Library.
的重大改进Android Support Library.
So to make project use androidX. 因此要使项目使用androidX。
Goto Refactor-> Migrate to androidX.
转到
Refactor-> Migrate to androidX.
Add implementation com.google.android.material.material:1.1.0-alpha09
at buid.gradle
在
buid.gradle
添加implementation com.google.android.material.material:1.1.0-alpha09
buid.gradle
In your xml: 在您的xml中:
<androidx.drawerlayout.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">
<com.google.android.material.navigation.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_home"
app:menu="@menu/menu_home_drawer" />
</androidx.drawerlayout.widget.DrawerLayout>
In your java file: 在您的Java文件中:
navigationView.setNavigationItemSelectedListener(YourClass.this);
Inside app level theme: 内部应用程序级别主题:
<style name="AppTheme" parent="Theme.MaterialComponents.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
</style>
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