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;
}}}
インテントを使用して別のアクティビティからこのアクティビティを開始しようとしています。何が問題なのか、または onCreate() で強制終了するために何かが足りないのかどうかはわかりません。logcat からエラーを調べようとしましたが、うまくいきませんでした。このアクティビティを開始したときの logcat を次に示します。
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