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public class HomeActivity extends Activity {
private String[] drawer_options;
private ListView mDrawerList;
private DrawerLayout mDrawerLayout;
private ActionBarDrawerToggle mDrawerToggle;
private CharSequence mDrawertitle;
private CharSequence mtitle;
@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceStatE) {
super.onCreate(savedInstanceStatE);
setContentView(R.layout.activity_homE);
mtitle = mDrawertitle = gettitle();
drawer_options = getresources().getStringArray(R.array.drawer_array);
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, drawer_options));
mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
// enable ActionBar app icon to behave as action to toggle nav drawer
getActionBar().setDisplayHomeAsUpEnabled(true);
getActionBar().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) {
getActionBar().settitle(mtitlE);
invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
}
public void onDrawerOpened(View drawerView) {
getActionBar().settitle(mDrawertitlE);
invalidateOptionsMenu(); // 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.ActionItem1).setVisible(!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()) {
case R.id.ActionItem1:
// creatE intent to perform web search for this planet
Intent intent = new Intent(Intent.ACTION_WEB_SEARCH);
intent.putExtra(SearchManager.QUERY, getActionBar().gettitle());
// catch event that there's no activity to handlE intent
if (intent.resolveActivity(getPackageManager()) != null) {
startActivity(intent);
} else {
Toast.makeText(this, R.String.app_not_available, Toast.LENGTH_LONG).show();
}
return true;
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 the main content by replacing fragments
Fragment fragment = new PlanetFragment();
Bundle args = new Bundle();
args.puTint(PlanetFragment.ARG_PLANET_numbER, position);
fragment.setArguments(args);
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.begintransaction().replace(R.id.content_frame, fragment).commit();
// update SELEcted item and title, then close the drawer
mDrawerList.setItemchecked(position, truE);
settitle(drawer_options[position]);
mDrawerLayout.closeDrawer(mDrawerList);
}
@Override
public void settitle(CharSequence titlE) {
mtitle = title;
getActionBar().settitle(mtitlE);
}
@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);
}
/**
* Fragment that appears in the "content_frame"
*/
public static class PlanetFragment extends Fragment {
public static final String ARG_PLANET_numbER = "planet_number";
public PlanetFragment() {
// Empty constructor required for fragment subclasses
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceStatE) {
View rootView = inflater.inflate(R.layout.cliq_fragment, container, falsE);
int i = getArguments().geTint(ARG_PLANET_numbER);
String planet = getresources().getStringArray(R.array.drawer_array)[i];
int imagEID = getresources().getIdentifier(planet.toLowerCase(Locale.getDefault()),
"drawable", getActivity().getPackagename());
((ImageView) rootView.findViewById(R.id.imagE)).setImageresource(imagEID);
getActivity().settitle(planet);
return rootView;
}}}
我正在尝试使用intent从另一个活动开始此活动.我不确定是什么错,或者我错过了什么,因为它强制关闭onCreate()我试图从logcat中查找错误,但我没有运气.这是开始此活动时的logcat.
05-20 22:59:27.697: D/memalloc(21948): /dev/pmem: Unmapping buffer base:0x51d88000 size:4976640 offset:4853760
05-20 22:59:27.697: D/memalloc(21948): /dev/pmem: Unmapping buffer base:0x52247000 size:5099520 offset:4976640
05-20 22:59:27.697: D/memalloc(21948): /dev/pmem: Unmapping buffer base:0x52724000 size:5222400 offset:5099520
05-20 22:59:27.727: W/dalvikvm(21948): VFY: unable to resolve virtual method 53: Landroid/support/v4/widget/DrawerLayout;.closeDrawer (Landroid/view/View;)V
05-20 22:59:27.727: W/dalvikvm(21948): VFY: unable to resolve virtual method 50: Landroid/support/v4/app/ActionBarDrawerToggle;.onConfigurationChanged (Landroid/content/res/Configuration;)V
05-20 22:59:27.727: E/dalvikvm(21948): Could not find class 'android.support.v4.widget.DrawerLayout', referenced from method com.example.facecliq.HomeActivity.onCreate
05-20 22:59:27.727: W/dalvikvm(21948): VFY: unable to resolve check-cast 32 (Landroid/support/v4/widget/DrawerLayout;) in Lcom/example/facecliq/HomeActivity;
05-20 22:59:27.727: W/dalvikvm(21948): VFY: unable to resolve virtual method 51: Landroid/support/v4/app/ActionBarDrawerToggle;.onOptionsItemSELEcted (Landroid/view/MenuItem;)Z
05-20 22:59:27.727: W/dalvikvm(21948): VFY: unable to resolve virtual method 52: Landroid/support/v4/app/ActionBarDrawerToggle;.syncState ()V
05-20 22:59:27.727: W/dalvikvm(21948): VFY: unable to resolve virtual method 54: Landroid/support/v4/widget/DrawerLayout;.isDrawerOpen (Landroid/view/View;)Z
05-20 22:59:27.727: W/dalvikvm(21948): Unable to resolve superclass of Lcom/example/facecliq/HomeActivity$1; (30)
05-20 22:59:27.737: W/dalvikvm(21948): Link of class 'Lcom/example/facecliq/HomeActivity$1;' Failed
05-20 22:59:27.757: W/dalvikvm(21948): threadid=1: thread exiTing with uncaught exception (group=0x40a9e1f8)
05-20 22:59:27.777: E/AndroidRuntime(21948): FATAL EXCEPTION: main
05-20 22:59:27.777: E/AndroidRuntime(21948): java.lang.RuntimeException: Unable to start activity ComponenTinfo{Com.example.facecliq/com.example.facecliq.HomeActivity}: android.view.InflateException: Binary XML file line #1: Error inflaTing class android.support.v4.widget.DrawerLayout
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.app.ActivityThread.access$600(ActivityThread.java:123)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.app.ActivityThread$H.handlemessage(ActivityThread.java:1147)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.os.Handler.dispatchmessage(Handler.java:99)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.os.Looper.loop(Looper.java:137)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.app.ActivityThread.main(ActivityThread.java:4424)
05-20 22:59:27.777: E/AndroidRuntime(21948): at java.lang.reflect.Method.invokeNative(Native Method)
05-20 22:59:27.777: E/AndroidRuntime(21948): at java.lang.reflect.Method.invoke(Method.java:511)
05-20 22:59:27.777: E/AndroidRuntime(21948): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:812)
05-20 22:59:27.777: E/AndroidRuntime(21948): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:579)
05-20 22:59:27.777: E/AndroidRuntime(21948): at dalvik.system.NativeStart.main(Native Method)
05-20 22:59:27.777: E/AndroidRuntime(21948): Caused by: android.view.InflateException: Binary XML file line #1: Error inflaTing class android.support.v4.widget.DrawerLayout
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:691)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.view.LayoutInflater.inflate(LayoutInflater.java:466)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
05-20 22:59:27.777: E/AndroidRuntime(21948): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:251)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.app.Activity.setContentView(Activity.java:1835)
05-20 22:59:27.777: E/AndroidRuntime(21948): at com.example.facecliq.HomeActivity.onCreate(HomeActivity.java:40)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.app.Activity.performCreate(Activity.java:4465)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.app.instrumentation.callActivityOnCreate(instrumentation.java:1049)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
05-20 22:59:27.777: E/AndroidRuntime(21948): ... 11 more
05-20 22:59:27.777: E/AndroidRuntime(21948): Caused by: java.lang.ClassnotFoundException: android.support.v4.widget.DrawerLayout
05-20 22:59:27.777: E/AndroidRuntime(21948): at dalvik.system.baseDexClassLoader.findClass(BaseDexClassLoader.java:61)
05-20 22:59:27.777: E/AndroidRuntime(21948): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
05-20 22:59:27.777: E/AndroidRuntime(21948): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.view.LayoutInflater.createView(LayoutInflater.java:552)
05-20 22:59:27.777: E/AndroidRuntime(21948): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:680)
05-20 22:59:27.777: E/AndroidRuntime(21948): ... 20 more
解决方法:
确保您使用的是包含DrawerLayout和其他相关类的支持库(13)的最新版本.将支持库的.jar复制到项目的/ libs文件夹中.最后,将ADT更新到最新版本. Logcat抱怨
Caused by: android.view.InflateException: Binary XML file line #1: Error inflaTing class android.support.v4.widget.DrawerLayout 05-20 22:59:27.777: E/AndroidRuntime(21948): at
Could not find class 'android.support.v4.widget.DrawerLayout', referenced from method com.example.facecliq.HomeActivity.onCreate
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