您好，我正在使用 minSDKVersion 8 到 17 来使用 Android 抽屉导航。在程序中，我使用操作栏组件来操作抽屉导航。每当在 4.1v android 设备中运行该程序时，它都会成功运行，但是当我尝试在 2.3v android 设备中运行相同的程序时，它会显示异常。这是我的详细 fragment 。
MainActivity.java
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
public class MainActivity extends ActionBarActivity{
private DrawerLayout mDrawerLayout;
private ListView mDrawerList;
private ActionBarDrawerToggle mDrawerToggle;
private CharSequence mDrawerTitle;
private CharSequence mTitle;
private String[] mEventOptions;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mTitle = mDrawerTitle = "Event Option";//getTitle();
mEventOptions = getResources().getStringArray(R.array.event_options);
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.left_drawer);
// set a custom shadow that overlays the main content when the drawer opens
mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
// set up the drawer's list view with items and click listener
mDrawerList.setAdapter(new ArrayAdapter<String>(this,
R.layout.drawer_list_item, mEventOptions));
mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
// enable ActionBar app icon to behave as action to toggle nav drawer
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(true);
// ActionBarDrawerToggle ties together the the proper interactions
// between the sliding drawer and the action bar app icon
mDrawerToggle = new ActionBarDrawerToggle(
this, /* host Activity */
mDrawerLayout, /* DrawerLayout object */
R.drawable.ic_drawer, /* nav drawer image to replace 'Up' caret */
R.string.drawer_open, /* "open drawer" description for accessibility */
R.string.drawer_close /* "close drawer" description for accessibility */
) {
public void onDrawerClosed(View view) {
getSupportActionBar().setTitle(mTitle);
supportInvalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
}
public void onDrawerOpened(View drawerView) {
getSupportActionBar().setTitle(mDrawerTitle);
supportInvalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
if (savedInstanceState == null) {
selectItem(0);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main, menu);
return super.onCreateOptionsMenu(menu);
}
/* Called whenever we call invalidateOptionsMenu() */
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
// If the nav drawer is open, hide action items related to the content view
//boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
menu.findItem(R.id.action_websearch).setVisible(false);/*!drawerOpen*/
return super.onPrepareOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// The action bar home/up action should open or close the drawer.
// ActionBarDrawerToggle will take care of this.
if (mDrawerToggle.onOptionsItemSelected(item)) {
return true;
}
// Handle action buttons
switch(item.getItemId()) {
default:
return super.onOptionsItemSelected(item);
}
}
/* The click listner for ListView in the navigation drawer */
private class DrawerItemClickListener implements ListView.OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
selectItem(position);
}
}
private void selectItem(int position) {
// update selected item and title, then close the drawer
switch (position) {
case 0:
getFragmentManager().beginTransaction()
.replace(R.id.content_frame, new MainActivityFragment2())
.commit();
break;
case 1:
getFragmentManager().beginTransaction()
.replace(R.id.content_frame, new MainActivityFragment2())
.commit();
break;
case 2:
getFragmentManager().beginTransaction()
.replace(R.id.content_frame, new MainActivityFragment2())
.commit();
break;
case 3:
getFragmentManager().beginTransaction()
.replace(R.id.content_frame, new MainActivityFragment2())
.commit();
break;
}
mDrawerList.setItemChecked(position, true);
setTitle(mEventOptions[position]);
mDrawerLayout.closeDrawer(mDrawerList);
}
@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);
}
}
目录:
10-07 02:06:29.338: E/AndroidRuntime(387): FATAL EXCEPTION: main
10-07 02:06:29.338: E/AndroidRuntime(387): java.lang.NoSuchMethodError: in.wptrafficanalyzer.actionbarcompatdemo.MainActivity.getFragmentManager
10-07 02:06:29.338: E/AndroidRuntime(387): at in.wptrafficanalyzer.actionbarcompatdemo.MainActivity.selectItem(MainActivity.java:144)
10-07 02:06:29.338: E/AndroidRuntime(387): at in.wptrafficanalyzer.actionbarcompatdemo.MainActivity.onCreate(MainActivity.java:74)
10-07 02:06:29.338: E/AndroidRuntime(387): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
10-07 02:06:29.338: E/AndroidRuntime(387): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
10-07 02:06:29.338: E/AndroidRuntime(387): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
10-07 02:06:29.338: E/AndroidRuntime(387): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
10-07 02:06:29.338: E/AndroidRuntime(387): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
10-07 02:06:29.338: E/AndroidRuntime(387): at android.os.Handler.dispatchMessage(Handler.java:99)
10-07 02:06:29.338: E/AndroidRuntime(387): at android.os.Looper.loop(Looper.java:130)
10-07 02:06:29.338: E/AndroidRuntime(387): at android.app.ActivityThread.main(ActivityThread.java:3683)
10-07 02:06:29.338: E/AndroidRuntime(387): at java.lang.reflect.Method.invokeNative(Native Method)
10-07 02:06:29.338: E/AndroidRuntime(387): at java.lang.reflect.Method.invoke(Method.java:507)
10-07 02:06:29.338: E/AndroidRuntime(387): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
10-07 02:06:29.338: E/AndroidRuntime(387): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
10-07 02:06:29.338: E/AndroidRuntime(387): at dalvik.system.NativeStart.main(Native Method)
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="in.wptrafficanalyzer.actionbarcompatdemo"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/Theme.AppCompat" >
<activity
android:name="in.wptrafficanalyzer.actionbarcompatdemo.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".MainActivity$PlanetFragment"
android:label="@string/app_name" >
</activity>
</application>
</manifest>
activity_main.xml
<!-- A DrawerLayout is intended to be used as the top-level content view using match_parent for both width and height to consume the full space available. -->
<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">
<!-- As the main content view, the view below consumes the entire
space available using match_parent in both dimensions. -->
<FrameLayout
android:id="@+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<!-- android:layout_gravity="start" tells DrawerLayout to treat
this as a sliding drawer on the left side for left-to-right
languages and on the right side for right-to-left languages.
The drawer is given a fixed width in dp and extends the full height of
the container. A solid background is used for contrast
with the content view. -->
<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>
最佳答案
将所有出现的 getFragmentManager 替换为 getSupportFragmentManager。您可能需要相应地替换应用的其他部分。
关于android 支持 v7 appcompat 在 android 2.3v 设备中显示异常，但在 4.2 设备中完美运行，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/19218964/