Android 如何使用碎片主细节实现导航抽屉

Android 如何使用碎片主细节实现导航抽屉,android,android-fragments,navigation-drawer,master-detail,Android,Android Fragments,Navigation Drawer,Master Detail,我已从该网站获得导航抽屉示例: 这里的主要细节是: 错误LogCat oncreateview(inflac…)显示在视图中 无法创建 告诉我我试过了 //the main activiry as Activity: package in.wptrafficanalyzer.listfragmentitemclick; import in.wptrafficanalyzer.listfragmentitemclick.adapter.NavDrawerListAdapte

我已从该网站获得导航抽屉示例:

这里的主要细节是:

错误LogCat oncreateview(inflac…)显示在视图中 无法创建

告诉我我试过了

    //the main activiry as Activity:

    package in.wptrafficanalyzer.listfragmentitemclick;

import in.wptrafficanalyzer.listfragmentitemclick.adapter.NavDrawerListAdapter;
import in.wptrafficanalyzer.listfragmentitemclick.model.NavDrawerItem;

import java.util.ArrayList;

import in.wptrafficanalyzer.listfragmentitemclick.R;

import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.app.ListFragment;
import android.content.Intent;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.widget.DrawerLayout;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;

public class MainActivity extends Activity implements CountryListFragment.ListFragmentItemClickListener {



    private DrawerLayout mDrawerLayout;
    private ListView mDrawerList;
    private ActionBarDrawerToggle mDrawerToggle;

    // nav drawer title
    private CharSequence mDrawerTitle;

    // used to store app title
    private CharSequence mTitle;

    // slide menu items
    private String[] navMenuTitles;
    private TypedArray navMenuIcons;

    private ArrayList<NavDrawerItem> navDrawerItems;
    private NavDrawerListAdapter adapter;

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        mTitle = mDrawerTitle = getTitle();

        // load slide menu items
        navMenuTitles = getResources().getStringArray(R.array.nav_drawer_items);

        // nav drawer icons from resources
        navMenuIcons = getResources()
                .obtainTypedArray(R.array.nav_drawer_icons);

        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        mDrawerList = (ListView) findViewById(R.id.list_slidermenu);

        navDrawerItems = new ArrayList<NavDrawerItem>();

        // adding nav drawer items to array
        // Home
        navDrawerItems.add(new NavDrawerItem(navMenuTitles[0], navMenuIcons.getResourceId(0, -1)));
        // Find People
        navDrawerItems.add(new NavDrawerItem(navMenuTitles[1], navMenuIcons.getResourceId(1, -1)));
        // Photos
        navDrawerItems.add(new NavDrawerItem(navMenuTitles[2], navMenuIcons.getResourceId(2, -1)));
        // Communities, Will add a counter here
        navDrawerItems.add(new NavDrawerItem(navMenuTitles[3], navMenuIcons.getResourceId(3, -1), true, "22"));
        // Pages
        navDrawerItems.add(new NavDrawerItem(navMenuTitles[4], navMenuIcons.getResourceId(4, -1)));
        // What's hot, We  will add a counter here
        navDrawerItems.add(new NavDrawerItem(navMenuTitles[5], navMenuIcons.getResourceId(5, -1), true, "50+"));


        // Recycle the typed array
        navMenuIcons.recycle();

        mDrawerList.setOnItemClickListener(new SlideMenuClickListener());

        // setting the nav drawer list adapter
        adapter = new NavDrawerListAdapter(getApplicationContext(),
                navDrawerItems);
        mDrawerList.setAdapter(adapter);

        // enabling action bar app icon and behaving it as toggle button
        getActionBar().setDisplayHomeAsUpEnabled(true);
        getActionBar().setHomeButtonEnabled(true);

        mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
                R.drawable.ic_drawer, //nav menu toggle icon
                R.string.app_name, // nav drawer open - description for accessibility
                R.string.app_name // nav drawer close - description for accessibility
        ) {
            public void onDrawerClosed(View view) {
                getActionBar().setTitle(mTitle);
                // calling onPrepareOptionsMenu() to show action bar icons
                invalidateOptionsMenu();
            }

            public void onDrawerOpened(View drawerView) {
                getActionBar().setTitle(mDrawerTitle);
                // calling onPrepareOptionsMenu() to hide action bar icons
                invalidateOptionsMenu();
            }
        };
        mDrawerLayout.setDrawerListener(mDrawerToggle);

        if (savedInstanceState == null) {
            // on first time display view for first nav item
            displayView(0);
        }
    }

    /**
     * Slide menu item click listener
     * */
    private class SlideMenuClickListener implements
            ListView.OnItemClickListener {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position,
                long id) {
            // display view for selected nav drawer item
            displayView(position);
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // toggle nav drawer on selecting action bar app icon/title
        if (mDrawerToggle.onOptionsItemSelected(item)) {
            return true;
        }
        // Handle action bar actions click
        switch (item.getItemId()) {
        case R.id.action_settings:
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    /***
     * Called when invalidateOptionsMenu() is triggered
     */
    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        // if nav drawer is opened, hide the action items
        boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
        menu.findItem(R.id.action_settings).setVisible(!drawerOpen);
        return super.onPrepareOptionsMenu(menu);
    }

    /**
     * Diplaying fragment view for selected nav drawer list item
     * */
    private void displayView(int position) {
        // update the main content by replacing fragments
        ListFragment fragment = null;
        switch (position) {
        case 0:
            //fragment = new HomeFragment();
            break;
        case 1:
            fragment = new CountryListFragment();
            break;
        case 2:
            //fragment = new PhotosFragment();
            break;
        case 3:
           // fragment = new CommunityFragment();
            break;
        case 4:
            //fragment = new PagesFragment();
            break;
        case 5:
            //fragment = new WhatsHotFragment();
            break;

        default:
            break;
        }

        if (fragment != null) {
            FragmentManager fragmentManager = getFragmentManager();
            fragmentManager.beginTransaction()
                    .replace(R.id.country_list_fragment, fragment).commit();

            // update selected item and title, then close the drawer
            mDrawerList.setItemChecked(position, true);
            mDrawerList.setSelection(position);
            setTitle(navMenuTitles[position]);
            mDrawerLayout.closeDrawer(mDrawerList);
        } else {
            // error in creating fragment
            Log.e("MainActivity", "Error in creating fragment");
        }
    }

    @Override
    public void setTitle(CharSequence title) {
        mTitle = title;
        getActionBar().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);
    }
    /** Called when the activity is first created. */


    @Override
    public void onListFragmentItemClick(int position) {

        /** Getting the orientation ( Landscape or Portrait ) of the screen */
        int orientation = getResources().getConfiguration().orientation;


        /** Landscape Mode */
        if(orientation == Configuration.ORIENTATION_LANDSCAPE ){
            /** Getting the fragment manager for fragment related operations */
            FragmentManager fragmentManager = getFragmentManager();

            /** Getting the fragmenttransaction object, which can be used to add, remove or replace a fragment */
            FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();

            /** Getting the existing detailed fragment object, if it already exists. 
             *  The fragment object is retrieved by its tag name 
             * */
            Fragment prevFrag = fragmentManager.findFragmentByTag("in.wptrafficanalyzer.country.details");

            /** Remove the existing detailed fragment object if it exists */
            if(prevFrag!=null)
                fragmentTransaction.remove(prevFrag);           

            /** Instantiating the fragment CountryDetailsFragment */
            CountryDetailsFragment fragment = new CountryDetailsFragment();

            /** Creating a bundle object to pass the data(the clicked item's position) from the activity to the fragment */ 
            Bundle b = new Bundle();

            /** Setting the data to the bundle object */
            b.putInt("position", position);

            /** Setting the bundle object to the fragment */
            fragment.setArguments(b);           

            /** Adding the fragment to the fragment transaction */
            fragmentTransaction.add(R.id.detail_fragment_container, fragment,"in.wptrafficanalyzer.country.details");

            /** Adding this transaction to backstack */
            fragmentTransaction.addToBackStack(null);

            /** Making this transaction in effect */
            fragmentTransaction.commit();

        }else{          /** Portrait Mode or Square mode */
            /** Creating an intent object to start the CountryDetailsActivity */
            Intent intent = new Intent("in.wptrafficanalyzer.CountryDetailsActivity");

            /** Setting data ( the clicked item's position ) to this intent */
            intent.putExtra("position", position);

            /** Starting the activity by passing the implicit intent */
            startActivity(intent);          
        }
    }
}
//作为活动的主活动:
package in.wptrafficanalyzer.listfragmentitemclick;
导入in.wptrafficanalyzer.listfragmentitemclick.adapter.NavDrawerListAdapter;
导入in.wptrafficanalyzer.listfragmentitemclick.model.NavDrawerItem;
导入java.util.ArrayList;
导入.wptrafficanalyzer.listfragmentitemclick.R;
导入android.app.Activity;
导入android.app.Fragment;
导入android.app.FragmentManager;
导入android.app.FragmentTransaction;
导入android.app.ListFragment;
导入android.content.Intent;
导入android.content.res.Configuration;
导入android.content.res.TypedArray;
导入android.os.Bundle;
导入android.support.v4.app.ActionBarDrawerToggle;
导入android.support.v4.widget.DrawerLayout;
导入android.util.Log;
导入android.view.Menu;
导入android.view.MenuItem;
导入android.view.view;
导入android.widget.AdapterView;
导入android.widget.ListView;
公共类MainActivity扩展活动实现CountryListFragment.ListFragmentItemClickListener{
私人抽屉布局mDrawerLayout;
私有列表视图mDrawerList;
私有操作bardrawertoggle mDrawerToggle;
//导航抽屉标题
私有字符序列mDrawerTitle;
//用于存储应用程序标题
私有字符序列mTitle;
//幻灯片菜单项
私有字符串[]navMenuTitles;
专用型雷达导航仪;
私人ArrayList NavWrites;
专用导航适配器;
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mTitle=mDrawerTitle=getTitle();
//加载幻灯片菜单项
navMenuTitles=getResources().getStringArray(R.array.nav\u抽屉\u项目);
//参考资料中的导航抽屉图标
navMenuIcons=getResources()
.obtainTypedArray(R.array.nav_drawer_图标);
mDrawerLayout=(抽屉布局)findViewById(R.id.抽屉布局);
mDrawerList=(ListView)findViewById(R.id.list\u slidermenu);
navDrawerItems=新的ArrayList();
//将导航抽屉项添加到阵列
//家
添加(新的NavDrawerItem(navMenuTitles[0],navMenuIcons.getResourceId(0,-1));
//找人
添加(新的NavDrawerItem(navMenuTitles[1],navMenuIcons.getResourceId(1,-1));
//照片
添加(新的NavDrawerItem(navMenuTitles[2],navMenuIcons.getResourceId(2,-1));
//社区,将在此处添加一个计数器
添加(新的NavDrawerItem(navMenuTitles[3],navMenuIcons.getResourceId(3,-1),true,“22”);
//页数
add(新的NavDrawerItem(navMenuTitles[4],navMenuIcons.getResourceId(4,-1));
//什么是热的,我们将在这里加一个计数器
add(新的NavDrawerItem(navMenuTitles[5],navMenuIcons.getResourceId(5,-1),true,“50+”));
//回收类型化数组
navMenuIcons.recycle();
setOnItemClickListener(新的SlideMenuClickListener());
//设置导航抽屉列表适配器
适配器=新的NavDroperListAdapter(getApplicationContext(),
纳维特姆斯);
mDrawerList.setAdapter(适配器);
//启用操作栏应用程序图标并将其作为切换按钮
getActionBar().setDisplayHomeAsUpEnabled(true);
getActionBar().setHomeButtonEnabled(true);
mDrawerToggle=新操作BarDrawerToggle(此,mDrawerLayout,
R.drawable.ic_抽屉,//导航菜单切换图标
R.string.app_name,//导航抽屉打开-可访问性说明
R.string.app_name//nav抽屉关闭-可访问性说明
) {
公共无效onDrawerClosed(视图){
getActionBar().setTitle(mTitle);
//调用onPrepareOptions菜单()以显示操作栏图标
无效操作菜单();
}
打开图纸上的公共空白(视图抽屉视图){
getActionBar().setTitle(mDrawerTitle);
//调用onPrepareOptions菜单()隐藏操作栏图标
无效操作菜单();
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
如果(savedInstanceState==null){
//第一个导航项目的首次显示视图
显示视图(0);
}
}
/**
*幻灯片菜单项单击“侦听器”
* */
私有类SlideMenuClickListener实现
ListView.com侦听器{
@凌驾
public void onItemClick(AdapterView父视图、视图、整型位置、,
长id){
//所选导航抽屉项目的显示视图
显示视图(位置);
}
}
@凌驾
公共布尔onCreateOptions菜单(菜单){
getMenuInflater().充气(R.menu.main,menu);
返回true;
}
@凌驾
公共布尔值onOptionsItemSelected(菜单项项){
//在选择操作栏应用程序图标/标题时切换导航抽屉
如果(MDRAWERTOGLE.onOptionsItemSelected(项目)){
返回true;
}
//处理操作栏操作单击
开关(item.getItemId()){
案例R.id.action\u设置:
返回true;
违约:
返回super.onOptionsItemSelected(项目);
}
}
/***
*在触发InvalidateOptions菜单()时调用
*/
@凌驾
公共布尔值OnPrepareOptions菜单(菜单){
//如果导航抽屉打开,则隐藏操作项
boolean-DrawerLayout=mDrawerLayout.isDrawerOpen(mDrawerList);
menu.findItem(R.id.action\u设置).setV
package in.wptrafficanalyzer.listfragmentitemclick;

import android.app.Activity;
import android.app.ListFragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

public class CountryListFragment extends ListFragment{

    /** List of countries to be displayed in the ListFragment */

    ListFragmentItemClickListener ifaceItemClickListener;   

    /** An interface for defining the callback method */
    public interface ListFragmentItemClickListener {
        /** This method will be invoked when an item in the ListFragment is clicked */
        void onListFragmentItemClick(int position);
    }   

    /** A callback function, executed when this fragment is attached to an activity */  
    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);

        try{
            /** This statement ensures that the hosting activity implements ListFragmentItemClickListener */
            ifaceItemClickListener = (ListFragmentItemClickListener) activity;          
        }catch(Exception e){
            Toast.makeText(activity.getBaseContext(), "Exception",Toast.LENGTH_SHORT).show();
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        /** Data source for the ListFragment */
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(inflater.getContext(), android.R.layout.simple_list_item_1, Country.name);

        /** Setting the data source to the ListFragment */
        setListAdapter(adapter);    



        return super.onCreateView(inflater, container, savedInstanceState);
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {    

        /** Invokes the implementation of the method istFragmentItemClick          in     the hosting activity */
        ifaceItemClickListener.onListFragmentItemClick(position);

    }

}
><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">




<FrameLayout
    android:id="@+id/country_list_fragment"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:name="in.wptrafficanalyzer.listfragmentitemclick.CountryListFragment"
    />


<!-- Listview to display slider menu -->
<ListView
    android:id="@+id/list_slidermenu"
    android:layout_width="240dp"
    android:layout_height="match_parent"
    android:layout_gravity="start"
    android:choiceMode="singleChoice"
    android:divider="@color/list_divider"
    android:dividerHeight="1dp"       
    android:listSelector="@drawable/list_selector"
    android:background="@color/list_background"/>
   > </android.support.v4.widget.DrawerLayout>
><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">



<FrameLayout
    android:id="@+id/country_list_fragment"
    android:layout_width="200dp"
    android:layout_height="wrap_content"
    android:name="in.wptrafficanalyzer.listfragmentitemclick.CountryListFragment"

    />

<FrameLayout
    android:id="@+id/detail_fragment_container"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:layout_gravity="center"
    />


<!-- Listview to display slider menu -->
<ListView
    android:id="@+id/list_slidermenu"
    android:layout_width="240dp"
    android:layout_height="match_parent"
    android:layout_gravity="start"
    android:choiceMode="singleChoice"
    android:divider="@color/list_divider"
    android:dividerHeight="1dp"       
    android:listSelector="@drawable/list_selector"
    android:background="@color/list_background"/>
   ></android.support.v4.widget.DrawerLayout>
public class MainActivity extends Activity 
                          implements OnItemClickListener, ItemListFragment.Callbacks {
if (findViewById(R.id.item_detail_container) != null) {
    // The detail container view will be present only in the
    // large-screen layouts (res/values-large and
    // res/values-sw600dp). If this view is present, then the
    // activity should be in two-pane mode.
    mTwoPane = true;

    // In two-pane mode, list items should be given the
    // 'activated' state when touched.
    ((ItemListFragment) getFragmentManager()
            .findFragmentById(R.id.item_list))
            .setActivateOnItemClick(true);
}
if (mTwoPane) {
    // In two-pane mode, show the detail view in this activity by
    // adding or replacing the detail fragment using a
    // fragment transaction.
    Bundle arguments = new Bundle();
    arguments.putString(ItemDetailFragment.ARG_ITEM_ID, id);
    ItemDetailFragment fragment = new ItemDetailFragment();
    fragment.setArguments(arguments);
    getFragmentManager().beginTransaction()
            .replace(R.id.item_detail_container, fragment)
            .commit();

} else {
    // In single-pane mode, simply start the detail activity
    // for the selected item ID.
    Intent detailIntent = new Intent(this, ItemDetailActivity.class);
    detailIntent.putExtra(ItemDetailFragment.ARG_ITEM_ID, id);
    startActivity(detailIntent);
}