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@H_607_2@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.
@H_607_2@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
@H_607_2@ 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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