Java 二进制XML文件:膨胀类片段时出错
我知道这是一个常见的问题,但我已经尝试了网络上所有的解决方案,但它仍然不起作用,所以请帮助 我正在尝试在我的项目中创建一个导航抽屉。在第一次运行时,我遇到了logcat错误,即“Java 二进制XML文件:膨胀类片段时出错,java,android,android-layout,android-fragments,navigation-drawer,Java,Android,Android Layout,Android Fragments,Navigation Drawer,我知道这是一个常见的问题,但我已经尝试了网络上所有的解决方案,但它仍然不起作用,所以请帮助 我正在尝试在我的项目中创建一个导航抽屉。在第一次运行时,我遇到了logcat错误,即“”android.view.InflateException:Binary XML file:error inflating class fragment” 我已经创建了4个文件: 主要活动 其布局 抽屉活动 其布局 代码如下: 1) 我称之为家的主要活动 package GJ.helpinghand; import
”android.view.InflateException:Binary XML file:error inflating class fragment”
我已经创建了4个文件:
package GJ.helpinghand;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.widget.DrawerLayout;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
public class Home extends FragmentActivity {
private ListView con;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);
Drawer drawer_instance = (Drawer) getFragmentManager().findFragmentById(R.id.drawer_frag);
drawer_instance.setUp(R.id.drawer_frag,(DrawerLayout) findViewById(R.id.drawer_layout));
/*Drawer_try drawer_instance = (Drawer_try) getFragmentManager().findFragmentById(R.id.drawer_frag);
drawer_instance.setUp(R.id.drawer_frag,(DrawerLayout) findViewById(R.id.drawer_layout));
*/
con = (ListView)findViewById(R.id.content);
final String[] info = new String[] { "Android List View", "Adapter implementation" };
ArrayAdapter<String> adap = new ArrayAdapter<String>(getApplicationContext(),R.layout.listlay,R.id.title, info);
con.setAdapter(adap);
con.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// TODO Auto-generated method stub
String to = info[position];
Toast.makeText(getApplicationContext(), to , Toast.LENGTH_LONG).show();
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.home, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
GJ.helpinghand包;
导入android.os.Bundle;
导入android.support.v4.app.FragmentActivity;
导入android.support.v4.widget.DrawerLayout;
导入android.view.Menu;
导入android.view.MenuItem;
导入android.view.view;
导入android.widget.AdapterView;
导入android.widget.ArrayAdapter;
导入android.widget.ListView;
导入android.widget.Toast;
公共类家庭扩展了碎片化活动{
私有列表视图;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);
抽屉实例=(抽屉)getFragmentManager().findFragmentById(R.id.Drawer\u frag);
抽屉实例设置(R.id.drawer\u frag,(抽屉布局)findViewById(R.id.drawer\u布局));
/*Drawer\u try Drawer\u实例=(Drawer\u try)getFragmentManager().findframentbyid(R.id.Drawer\u frag);
抽屉实例设置(R.id.drawer\u frag,(抽屉布局)findViewById(R.id.drawer\u布局));
*/
con=(ListView)findViewById(R.id.content);
最终字符串[]信息=新字符串[]{“Android列表视图”,“适配器实现”};
ArrayAdapter adap=新的ArrayAdapter(getApplicationContext(),R.layout.listlay,R.id.title,info);
con.setAdapter(adap);
con.setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父级、视图、,
内部位置,长id){
//TODO自动生成的方法存根
字符串to=信息[位置];
Toast.makeText(getApplicationContext(),to,Toast.LENGTH_LONG.show();
}
});
}
@凌驾
公共布尔onCreateOptions菜单(菜单){
//为菜单充气;这会将项目添加到操作栏(如果存在)。
getMenuInflater().充气(R.menu.home,menu);
返回true;
}
@凌驾
公共布尔值onOptionsItemSelected(菜单项项){
//处理操作栏项目单击此处。操作栏将
//自动处理Home/Up按钮上的点击,只要
//在AndroidManifest.xml中指定父活动时。
int id=item.getItemId();
if(id==R.id.action\u设置){
返回true;
}
返回super.onOptionsItemSelected(项目);
}
}
<android.support.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="GJ.helpinghand.Home" >
<RelativeLayout
android:id="@+id/core"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/textView1"
android:background="@android:color/darker_gray"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:text="@string/file"
android:textAppearance="?android:attr/textAppearanceLarge" />
<ListView
android:id="@+id/content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@+id/textView1"
android:divider="@android:color/holo_orange_light" />
</RelativeLayout>
<fragment
android:id="@+id/drawer_frag"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="start"
class="com.fragment.NavigationDrawerFragment"
tools:layout="@layout/fragment_drawer" />
package GJ.helpinghand;
import android.app.ActionBar;
import android.app.Activity;
import android.app.Fragment;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
public class Drawer extends Fragment {
private static final String STATE_SELECTED_POSITION = "selected_navigation_drawer_position";
private static final String PREF_USER_LEARNED_DRAWER = "navigation_drawer_learned";
private NavigationDrawerCallbacks mCallbacks;
private ActionBarDrawerToggle mDrawerToggle;
private DrawerLayout mDrawerLayout;
private ListView mDrawerListView;
private View mFragmentContainerView;
private int mCurrentSelectedPosition = 0;
private boolean mFromSavedInstanceState;
private boolean mUserLearnedDrawer;
public Drawer() {
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
SharedPreferences sp = PreferenceManager
.getDefaultSharedPreferences(getActivity());
mUserLearnedDrawer = sp.getBoolean(PREF_USER_LEARNED_DRAWER, false);
if (savedInstanceState != null) {
mCurrentSelectedPosition = savedInstanceState
.getInt(STATE_SELECTED_POSITION);
mFromSavedInstanceState = true;
}
// Select either the default item (0) or the last selected item.
selectItem(mCurrentSelectedPosition);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// Indicate that this fragment would like to influence the set of
// actions in the action bar.
setHasOptionsMenu(true);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
mDrawerListView = (ListView) inflater.inflate(
R.layout.fragment_drawer, container, false);
mDrawerListView
.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
selectItem(position);
}
});
mDrawerListView.setAdapter(new ArrayAdapter<String>(getActionBar()
.getThemedContext(), android.R.layout.simple_list_item_1,
android.R.id.text1, new String[] {
getString(R.string.title_section1),
getString(R.string.title_section2),
getString(R.string.title_section3), }));
mDrawerListView.setItemChecked(mCurrentSelectedPosition, true);
return mDrawerListView;
}
public boolean isDrawerOpen() {
return mDrawerLayout != null
&& mDrawerLayout.isDrawerOpen(mFragmentContainerView);
}
public void setUp(int fragmentId, DrawerLayout drawerLayout) {
mFragmentContainerView = getActivity().findViewById(fragmentId);
mDrawerLayout = drawerLayout;
// 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
ActionBar actionBar = getActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setHomeButtonEnabled(true);
mDrawerToggle = new ActionBarDrawerToggle(getActivity(), mDrawerLayout,R.drawable.ic_drawer,
R.string.navigation_drawer_open, R.string.navigation_drawer_close) {
@Override
public void onDrawerClosed(View drawerView) {
super.onDrawerClosed(drawerView);
if (!isAdded()) {
return;
}
getActivity().invalidateOptionsMenu(); // calls
// onPrepareOptionsMenu()
}
@Override
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
if (!isAdded()) {
return;
}
if (!mUserLearnedDrawer) {
// The user manually opened the drawer; store this flag to
// prevent auto-showing
// the navigation drawer automatically in the future.
mUserLearnedDrawer = true;
SharedPreferences sp = PreferenceManager
.getDefaultSharedPreferences(getActivity());
sp.edit().putBoolean(PREF_USER_LEARNED_DRAWER, true)
.commit();
}
getActivity().invalidateOptionsMenu(); // calls
// onPrepareOptionsMenu()
}
};
// If the user hasn't 'learned' about the drawer, open it to introduce
// them to the drawer,
// per the navigation drawer design guidelines.
if (!mUserLearnedDrawer && !mFromSavedInstanceState) {
mDrawerLayout.openDrawer(mFragmentContainerView);
}
// Defer code dependent on restoration of previous instance state.
mDrawerLayout.post(new Runnable() {
@Override
public void run() {
mDrawerToggle.syncState();
}
});
mDrawerLayout.setDrawerListener(mDrawerToggle);
}
private void selectItem(int position) {
mCurrentSelectedPosition = position;
if (mDrawerListView != null) {
mDrawerListView.setItemChecked(position, true);
}
if (mDrawerLayout != null) {
mDrawerLayout.closeDrawer(mFragmentContainerView);
}
if (mCallbacks != null) {
mCallbacks.onNavigationDrawerItemSelected(position);
}
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
try {
mCallbacks = (NavigationDrawerCallbacks) activity;
} catch (ClassCastException e) {
throw new ClassCastException(
"Activity must implement NavigationDrawerCallbacks.");
}
}
@Override
public void onDetach() {
super.onDetach();
mCallbacks = null;
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt(STATE_SELECTED_POSITION, mCurrentSelectedPosition);
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
// Forward the new configuration the drawer toggle component.
mDrawerToggle.onConfigurationChanged(newConfig);
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
// If the drawer is open, show the global app actions in the action bar.
// See also
// showGlobalContextActionBar, which controls the top-left area of the
// action bar.
if (mDrawerLayout != null && isDrawerOpen()) {
inflater.inflate(R.menu.global, menu);
showGlobalContextActionBar();
}
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (mDrawerToggle.onOptionsItemSelected(item)) {
return true;
}
if (item.getItemId() == R.id.action_example) {
Toast.makeText(getActivity(), "Example action.", Toast.LENGTH_SHORT)
.show();
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* Per the navigation drawer design guidelines, updates the action bar to
* show the global app 'context', rather than just what's in the current
* screen.
*/
private void showGlobalContextActionBar() {
ActionBar actionBar = getActionBar();
actionBar.setDisplayShowTitleEnabled(true);
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
actionBar.setTitle(R.string.app_name);
}
private ActionBar getActionBar() {
return getActivity().getActionBar();
}
/**
* Callbacks interface that all activities using this fragment must
* implement.
*/
public static interface NavigationDrawerCallbacks {
/**
* Called when an item in the navigation drawer is selected.
*/
void onNavigationDrawerItemSelected(int position);
}
}
GJ.helpinghand包;
导入android.app.ActionBar;
导入android.app.Activity;
导入android.app.Fragment;
导入android.content.SharedReferences;
导入android.content.res.Configuration;
导入android.os.Bundle;
导入android.preference.PreferenceManager;
导入android.support.v4.app.ActionBarDrawerToggle;
导入android.support.v4.view.GravityCompat;
导入android.support.v4.widget.DrawerLayout;
导入android.view.LayoutInflater;
导入android.view.Menu;
导入android.view.MenuInflater;
导入android.view.MenuItem;
导入android.view.view;
导入android.view.ViewGroup;
导入android.widget.AdapterView;
导入android.widget.ArrayAdapter;
导入android.widget.ListView;
导入android.widget.Toast;
公共类抽屉扩展片段{
私有静态最终字符串状态\u SELECTED\u POSITION=“SELECTED\u navigation\u drawer\u POSITION”;
私有静态最终字符串PREF\u USER\u LEARNED\u DRAWER=“导航\u DRAWER\u LEARNED”;
专用导航抽屉回调mCallbacks;
私有操作bardrawertoggle mDrawerToggle;
私人抽屉布局mDrawerLayout;
私有列表视图mDrawerListView;
私有视图MFFragmentContainerView;
private int mCurrentSelectedPosition=0;
私有布尔值mFromSavedInstanceState;
私有布尔mUserLearnedDrawer;
公众出票人(){
}
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
SharedReferences sp=首选项管理器
.GetDefaultSharedReferences(getActivity());
mUserLearnedDrawer=sp.getBoolean(预用户已学习抽屉,false);
如果(savedInstanceState!=null){
mCurrentSelectedPosition=savedInstanceState
.getInt(表示所选位置);
mFromSavedInstanceState=true;
}
//选择默认项(0)或最后选定的项。
selectItem(mCurrentSelectedPosition);
}
@凌驾
已创建ActivityState上的公共无效(Bundle savedInstanceState){
super.onActivityCreated(savedInstanceState);
//表示此片段希望影响一组
//操作栏中的操作。
设置选项菜单(真);
}
@凌驾
创建视图上的公共视图(布局、充气机、视图组容器、,
Bundle savedInstanceState){
mDrawerListView=(ListView)充气器。充气(
R.布局图(抽屉、容器、假);
mDrawerListView
.setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父级、视图、,
内部位置,长id){
选择项目(位置);
}
});
setAdapter(新的ArrayAdapter(getActionBar())
.getThemedContext(),android.R.layout.simple\u list\u item\u 1,
android.R.id.text1,新字符串[]{
getString(R.string.title_第1节),
getString(R.string.title_第2节),
getString(R.string.title_section3),});
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="GJ.helpinghand.Drawer$PlaceholderFragment" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hello_world" />
</FrameLayout>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="GJ.helpinghand"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="15"
android:targetSdkVersion="21" />
<permission android:name="WRRITE_EXTERNAL_STORAGE"></permission>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".Splash"
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=".Login"
android:label="@string/title_activity_login" >
</activity>
<activity
android:name=".Home"
android:label="@string/title_activity_home" >
</activity>
<activity
android:name=".Drawer"
android:label="@string/title_activity_drawer" >
</activity>
<activity
android:name=".MainActivity"
android:label="@string/title_activity_main" >
</activity>
</application>
</manifest>
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:id="@+id/core"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/textView1"
android:background="@android:color/darker_gray"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:text="@string/file"
android:textAppearance="?android:attr/textAppearanceLarge" />
<ListView
android:id="@+id/content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@+id/textView1"
android:divider="@android:color/holo_orange_light" />
</RelativeLayout>
<fragment
android:id="@+id/drawer_frag"
android:name="com.fragment.NavigationDrawerFragment"
android:layout_width="@dimen/nav_drawer_width"
android:layout_height="match_parent"
android:layout_gravity="start"
tools:layout="@layout/fragment_drawer" />
</android.support.v4.widget.DrawerLayout>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="GJ.helpinghand.Drawer$PlaceholderFragment" >
<ListView
android:id="@+id/drawerList"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</FrameLayout>
View drawer= inflater.inflate(
R.layout.fragment_drawer, false);
mDrawerListView = (ListView)drawer.findViewById(R.id.drawerList);
.....Your code
return drawer;