我正在使用Navigation Drawer与ActionBarSherLock来支持Api 8中的Slider。它在Android版本上运行良好＆gt; 4.0。
对于较低版本，我在android 2.3.6上进行了测试，显示错误。
MainActivity.java：
import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.mytestbuddy.careermirror.NavDrawerListAdapter;
import com.mytestbuddy.careermirror.NavDrawerItem;
import java.util.ArrayList;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.widget.DrawerLayout;
import android.util.Log;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
public class MainActivity extends SherlockFragmentActivity {
private DrawerLayout mDrawerLayout;
private ListView mDrawerList;
private ActionBarDrawerToggle mDrawerToggle;
// nav drawer title
private CharSequence mDrawerTitle;
// used to store app title
private CharSequence mTitle;
// slide menu items
private String[] navMenuTitles;
private TypedArray navMenuIcons;
private ArrayList<NavDrawerItem> navDrawerItems;
private NavDrawerListAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mTitle = mDrawerTitle = getTitle();
// load slide menu items
navMenuTitles = getResources().getStringArray(R.array.nav_drawer_items);
// nav drawer icons from resources
navMenuIcons = getResources()
.obtainTypedArray(R.array.nav_drawer_icons);
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.list_slidermenu);
navDrawerItems = new ArrayList<NavDrawerItem>();
// adding nav drawer items to array
// Home
navDrawerItems.add(new NavDrawerItem(navMenuTitles[0], navMenuIcons
.getResourceId(0, -1)));
// Profile
navDrawerItems.add(new NavDrawerItem(navMenuTitles[1], navMenuIcons
.getResourceId(1, -1)));
// Logout
navDrawerItems.add(new NavDrawerItem(navMenuTitles[2], navMenuIcons
.getResourceId(2, -1)));
// Recycle the typed array
navMenuIcons.recycle();
mDrawerList.setOnItemClickListener(new SlideMenuClickListener());
// setting the nav drawer list adapter
adapter = new NavDrawerListAdapter(getApplicationContext(),
navDrawerItems);
mDrawerList.setAdapter(adapter);
// enabling action bar app icon and behaving it as toggle button
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(true);
mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
R.drawable.ic_drawer, // nav menu toggle icon
R.string.app_name, // nav drawer open - description for
// accessibility
R.string.app_name // nav drawer close - description for
// accessibility
) {
public void onDrawerClosed(View view) {
getSupportActionBar().setTitle(mTitle);
// calling onPrepareOptionsMenu() to show action bar icons
supportInvalidateOptionsMenu();
}
public void onDrawerOpened(View drawerView) {
getSupportActionBar().setTitle(mDrawerTitle);
// calling onPrepareOptionsMenu() to hide action bar icons
supportInvalidateOptionsMenu();
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
if (savedInstanceState == null) {
// on first time display view for first nav item
displayView(0);
}
}
/**
* Slide menu item click listener
* */
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 boolean onCreateOptionsMenu(Menu menu) {
// getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
if (mDrawerLayout.isDrawerOpen(mDrawerList)) {
mDrawerLayout.closeDrawer(mDrawerList);
} else {
mDrawerLayout.openDrawer(mDrawerList);
}
}
return super.onOptionsItemSelected(item);
}
/* *
* Called when invalidateOptionsMenu() is triggered
*/
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
// if nav drawer is opened, hide the action items
boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
// menu.findItem(R.id.action_settings).setVisible(!drawerOpen);
return super.onPrepareOptionsMenu(menu);
}
private void displayView(int position) {
// update the main content by replacing fragments
Fragment fragment = null;
switch (position) {
case 0:
fragment = new Dashboard();
break;
case 1:
fragment = new Profile();
break;
case 2:
fragment = new Logout();
break;
default:
break;
}
if (fragment != null) {
FragmentManager fragmentManager = getSupportFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, fragment).commit();
// update selected item and title, then close the drawer
mDrawerList.setItemChecked(position, true);
mDrawerList.setSelection(position);
setTitle(navMenuTitles[position]);
mDrawerLayout.closeDrawer(mDrawerList);
} else {
// error in creating fragment
Log.e("MainActivity", "Error in creating fragment");
}
}
@Override
public void setTitle(CharSequence title) {
mTitle = title;
getSupportActionBar().setTitle(mTitle);
}
/**
* When using the ActionBarDrawerToggle, you must call it during
* onPostCreate() and onConfigurationChanged()...
*/
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
// Sync the toggle state after onRestoreInstanceState has occurred.
mDrawerToggle.syncState();
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
// Pass any configuration change to the drawer toggls
mDrawerToggle.onConfigurationChanged(newConfig);
}
}
Logcat：
05-06 13:33:09.546: E/AndroidRuntime(25482): FATAL EXCEPTION: main
05-06 13:33:09.546: E/AndroidRuntime(25482): android.view.InflateException: Binary XML file line #18: Error inflating class <unknown>
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.LayoutInflater.createView(LayoutInflater.java:518)
05-06 13:33:09.546: E/AndroidRuntime(25482): at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:568)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.LayoutInflater.rInflate(LayoutInflater.java:623)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.LayoutInflater.inflate(LayoutInflater.java:408)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
05-06 13:33:09.546: E/AndroidRuntime(25482): at com.mytestbuddy.careermirror.NavDrawerListAdapter.getView(NavDrawerListAdapter.java:47)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.widget.AbsListView.obtainView(AbsListView.java:1592)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.widget.ListView.makeAndAddView(ListView.java:1782)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.widget.ListView.fillSpecific(ListView.java:1325)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.widget.ListView.layoutChildren(ListView.java:1623)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.widget.AbsListView.onLayout(AbsListView.java:1422)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.View.layout(View.java:7175)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.support.v4.widget.DrawerLayout.onLayout(DrawerLayout.java:672)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.View.layout(View.java:7175)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.widget.FrameLayout.onLayout(FrameLayout.java:338)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.View.layout(View.java:7175)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1254)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1130)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.widget.LinearLayout.onLayout(LinearLayout.java:1047)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.View.layout(View.java:7175)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.widget.FrameLayout.onLayout(FrameLayout.java:338)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.View.layout(View.java:7175)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.widget.FrameLayout.onLayout(FrameLayout.java:338)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.View.layout(View.java:7175)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.ViewRoot.performTraversals(ViewRoot.java:1146)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.ViewRoot.handleMessage(ViewRoot.java:1865)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.os.Handler.dispatchMessage(Handler.java:99)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.os.Looper.loop(Looper.java:130)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.app.ActivityThread.main(ActivityThread.java:3687)
05-06 13:33:09.546: E/AndroidRuntime(25482): at java.lang.reflect.Method.invokeNative(Native Method)
05-06 13:33:09.546: E/AndroidRuntime(25482): at java.lang.reflect.Method.invoke(Method.java:507)
05-06 13:33:09.546: E/AndroidRuntime(25482): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867)
05-06 13:33:09.546: E/AndroidRuntime(25482): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:625)
05-06 13:33:09.546: E/AndroidRuntime(25482): at dalvik.system.NativeStart.main(Native Method)
05-06 13:33:09.546: E/AndroidRuntime(25482): Caused by: java.lang.reflect.InvocationTargetException
05-06 13:33:09.546: E/AndroidRuntime(25482): at java.lang.reflect.Constructor.constructNative(Native Method)
05-06 13:33:09.546: E/AndroidRuntime(25482): at java.lang.reflect.Constructor.newInstance(Constructor.java:415)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.LayoutInflater.createView(LayoutInflater.java:505)
05-06 13:33:09.546: E/AndroidRuntime(25482): ... 35 more
05-06 13:33:09.546: E/AndroidRuntime(25482): Caused by: java.lang.UnsupportedOperationException: Can't convert to dimension: type=0x2
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:463)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.view.View.<init>(View.java:2108)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.widget.TextView.<init>(TextView.java:390)
05-06 13:33:09.546: E/AndroidRuntime(25482): at android.widget.TextView.<init>(TextView.java:383)
05-06 13:33:09.546: E/AndroidRuntime(25482): ... 38 more
activity_main.xml中：
<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/frame_container"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<ListView
android:id="@+id/list_slidermenu"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="@color/list_background"
android:choiceMode="singleChoice"
android:divider="@color/list_divider"
android:dividerHeight="1dp"
android:listSelector="@drawable/list_selector" />
</android.support.v4.widget.DrawerLayout>
NavDrawerListAdapter.java：
import java.util.ArrayList;
import android.app.Activity;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
public class NavDrawerListAdapter extends BaseAdapter {
private Context context;
private ArrayList<NavDrawerItem> navDrawerItems;
public NavDrawerListAdapter(Context context,
ArrayList<NavDrawerItem> navDrawerItems) {
this.context = context;
this.navDrawerItems = navDrawerItems;
}
@Override
public int getCount() {
return navDrawerItems.size();
}
@Override
public Object getItem(int position) {
return navDrawerItems.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
LayoutInflater mInflater = (LayoutInflater) context
.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
convertView = mInflater.inflate(R.layout.drawer_list_item, null);
}
ImageView imgIcon = (ImageView) convertView.findViewById(R.id.icon);
TextView txtTitle = (TextView) convertView.findViewById(R.id.title);
imgIcon.setImageResource(navDrawerItems.get(position).getIcon());
txtTitle.setText(navDrawerItems.get(position).getTitle());
return convertView;
}
}
NavDrawerListAdapter.java:47 就是这一行
convertView = mInflater.inflate(R.layout.drawer_list_item, null);