[英]android - Navigation drawer not opening
So originally I was following this tutorial on creating a custom navigation drawer: http://www.tutecentral.com/android-custom-navigation-drawer/ . 因此,最初我是按照本教程创建自定义导航抽屉的: http : //www.tutecentral.com/android-custom-navigation-drawer/ 。
But since I want to use a BaseActivity I modified it according to this SO post: creating base activity with navigation drawer in android . 但是由于我想使用BaseActivity,所以我根据这篇SO帖子对其进行了修改: 在android中使用导航抽屉创建基本活动 。
However, when I click the button that should trigger the drawer the logs show activity: 但是,当我单击应该触发抽屉的按钮时,日志显示活动:
[0,Home]
and 和
com.android.internal.view.menu.ActionMenuItem@1796f4d4
But no drawer is being opened and no error is thrown. 但是没有打开抽屉,也没有抛出错误。
<!-- activity_base.xml -->
<android.support.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<FrameLayout android:id="@+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<ListView android:id="@+id/left_drawer"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:choiceMode="singleChoice"
android:divider="@android:color/transparent"
android:dividerHeight="0dp"
android:background="#111"/>
</android.support.v4.widget.DrawerLayout>
The (I guess) relevant pieces of my BaseActivity.java: 我的BaseActivity.java的相关部分:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_base);
getActionBar().setDisplayHomeAsUpEnabled(true);
getActionBar().setDisplayShowHomeEnabled(false);
getActionBar().setHomeButtonEnabled(true);
if (savedInstanceState == null) {
displayView(0);
}
}
private class SlideMenuClickListener implements ListView.OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
// display view for selected nav drawer item
displayView(position);
}
}
@Override
public void setContentView(int layoutResID) {
super.setContentView(layoutResID);
mDrawerLayout = (DrawerLayout) getLayoutInflater().inflate(R.layout.activity_base, null);
mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
mContentFrame = (FrameLayout) mDrawerLayout.findViewById(R.id.content_frame);
getLayoutInflater().inflate(layoutResID, mContentFrame, true);
mTitle = mDrawerTitle = getTitle();
navMenuTitles = getResources().getStringArray(R.array.nav_drawer_items);
navMenuIcons = getResources().obtainTypedArray(R.array.nav_drawer_icons);
navDrawerItems = new ArrayList<NavDrawerItem>();
navDrawerItems.add(new NavDrawerItem(navMenuTitles[0], navMenuIcons.getResourceId(0, -1)));
navMenuIcons.recycle();
mDrawerToggle = new ActionBarDrawerToggle(
this,
mDrawerLayout,
R.drawable.ic_drawer,
R.string.drawer_open,
R.string.drawer_close
) {
public void onDrawerClosed(View view) {
getActionBar().setTitle(mTitle);
System.out.println("CLOSED");
invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
}
public void onDrawerOpened(View drawerView) {
getActionBar().setTitle(mDrawerTitle);
System.out.println("OPENED");
invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
}
public void onDrawerStateChanged(int newState) {
System.out.println("STATUS: "+newState);
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
mDrawerList = (ListView) findViewById(R.id.left_drawer);
adapter = new NavDrawerListAdapter(getApplicationContext(), navDrawerItems);
mDrawerList.setAdapter(adapter);
mDrawerList.setOnItemClickListener(new SlideMenuClickListener());
}
So, diving into the code from https://developer.android.com/training/implementing-navigation/nav-drawer.html it turns out I should have used 因此,从https://developer.android.com/training/implementing-navigation/nav-drawer.html深入研究代码,事实证明我应该使用
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
In stead of 代替
mDrawerLayout = (DrawerLayout) getLayoutInflater().inflate(R.layout.activity_base, null);
I'm not sure where the Inflater came in, but at least it works now. 我不确定充气机的位置,但至少现在可以使用。
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.