Android fragments Android Activity ListView项目在单击时未打开相应的片段
我有一个只有一个listview的活动。我已经设置了listview onClick监听器,该监听器应该根据单击的列表项打开一个新片段,我已经检查过了,但无法理解为什么列表项单击无法工作 下面是该活动的代码Android fragments Android Activity ListView项目在单击时未打开相应的片段,android-fragments,android-listview,Android Fragments,Android Listview,我有一个只有一个listview的活动。我已经设置了listview onClick监听器,该监听器应该根据单击的列表项打开一个新片段,我已经检查过了,但无法理解为什么列表项单击无法工作 下面是该活动的代码 package com.jp.kabs.mybills; import android.content.res.TypedArray; import android.os.Bundle; import android.support.v4.app.Fragment; import
package com.jp.kabs.mybills;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import java.util.ArrayList;
import adapters.NavDrawerAdapter;
import models.NavDrawerItemModel;
/**
* Created by Kabunyi on 27/05/2015.
*/
public class MainActivity extends ActionBarActivity {
private ListView lstMain;
private String[] menuItems;
private TypedArray menuIcons;
private NavDrawerAdapter adapter;
private ArrayList<NavDrawerItemModel> navDrawerItems;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
connnectToXML();
lstMain.setOnItemClickListener(new DrawerItemsClickListener());
//fetch resources
// load slide menu items
menuItems = getResources().getStringArray(R.array.nav_drawer_items);
// nav drawer icons from resources
menuIcons = getResources().obtainTypedArray(R.array.nav_drawer_icons);
addStuffToArrayList();
}
private void connnectToXML(){
lstMain = (ListView)findViewById(android.R.id.list);
}
private void addStuffToArrayList(){
navDrawerItems = new ArrayList<NavDrawerItemModel>();
// adding nav drawer items to array
// Home
navDrawerItems.add(new NavDrawerItemModel(menuItems[0], menuIcons.getResourceId(0, -1)));
// Find People
navDrawerItems.add(new NavDrawerItemModel(menuItems[1], menuIcons.getResourceId(1, -1)));
// Photos
navDrawerItems.add(new NavDrawerItemModel(menuItems[2], menuIcons.getResourceId(2, -1)));
// Communities, Will add a counter here
navDrawerItems.add(new NavDrawerItemModel(menuItems[3], menuIcons.getResourceId(3, -1), true, "22"));
// Pages
navDrawerItems.add(new NavDrawerItemModel(menuItems[4], menuIcons.getResourceId(4, -1)));
// What's hot, We will add a counter here
//navDrawerItems.add(new NavDrawerItemModel(navMenuTitles[5], navMenuIcons.getResourceId(5, -1), true, "50+"));
// Recycle the typed array
menuIcons.recycle();
// setting the nav drawer list adapter
adapter = new NavDrawerAdapter(navDrawerItems, getApplicationContext());
lstMain.setAdapter(adapter);
}
//method to display a view fragment of choice
private void displayView(int position){
//update the main content by replacing fragments
Fragment frag = null;
switch (position){
case 0:
frag = new AddMyBillsFragment();
AddMyBillsFragment selectedBillerToEasyPayFrag = new AddMyBillsFragment();
getSupportFragmentManager().
beginTransaction().
replace(R.id.my_layout, selectedBillerToEasyPayFrag, "BillerToEasyPayDetails").addToBackStack(null).commit();
break;
case 1:
frag = new ViewMyBillsFragment();
break;
case 2:
frag = new PayMyBillsFragment();
break;
case 3:
frag = new EasyPayFragment();
break;
case 4:
frag = new MyBillAlertsFragment();
break;
default:
break;
}
if(frag !=null){
//FragmentManager fm = getSupportFragmentManager();
//fm.beginTransaction().replace(R.id.frame_container, frag).commit();
FragmentManager fm = getSupportFragmentManager();
fm.beginTransaction().replace(R.id.my_layout, frag).commit();
//update selected items and title then close drawer
lstMain.setItemChecked(position, true);
lstMain.setSelection(position);
setTitle(menuItems[position]);
//}else{
Log.e("MenuActivity", "Error in creating fragment");
}
}
//class to handle drawer list item clicks
private class DrawerItemsClickListener implements ListView.OnItemClickListener{
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
displayView(position);
}
}
}
package com.jp.kabs.mybills;
导入android.content.res.TypedArray;
导入android.os.Bundle;
导入android.support.v4.app.Fragment;
导入android.support.v4.app.FragmentManager;
导入android.support.v7.app.ActionBarActivity;
导入android.util.Log;
导入android.view.view;
导入android.widget.AdapterView;
导入android.widget.ListView;
导入java.util.ArrayList;
导入adapters.navdrapter;
导入models.navDroperItemModel;
/**
*卡本伊于2015年5月27日创作。
*/
公共类MainActivity扩展了ActionBarActivity{
私有ListView-lstMain;
私有字符串[]菜单项;
私有类型Darray menuIcons;
专用导航器适配器;
私人ArrayList NavWrites;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
connnectoxml();
lstMain.setOnItemClickListener(新的DrawerItemsClickListener());
//获取资源
//加载幻灯片菜单项
menuItems=getResources().getStringArray(R.array.nav\u抽屉\u项目);
//参考资料中的导航抽屉图标
menuIcons=getResources().obtainTypedArray(R.array.nav\u抽屉图标);
addStuffToArrayList();
}
私有void connnectoxml(){
lstMain=(ListView)findViewById(android.R.id.list);
}
私有void addStuffToArrayList(){
navDrawerItems=新的ArrayList();
//将导航抽屉项添加到阵列
//家
add(新的NavDroperItemModel(menuItems[0],menuIcons.getResourceId(0,-1));
//找人
add(新的NavDroperItemModel(menuItems[1],menuIcons.getResourceId(1,-1));
//照片
add(新的NavDroperItemModel(menuItems[2],menuIcons.getResourceId(2,-1));
//社区,将在此处添加一个计数器
add(新的NavDrawerItemModel(menuItems[3],menuIcons.getResourceId(3,-1),true,“22”);
//页数
add(新的NavDroperItemModel(menuItems[4],menuIcons.getResourceId(4,-1));
//什么是热的,我们将在这里加一个计数器
//add(新的NavDrawerItemModel(navMenuTitles[5],navMenuIcons.getResourceId(5,-1),true,“50+”));
//回收类型化数组
menuIcons.recycle();
//设置导航抽屉列表适配器
适配器=新的NavDrawerDatapter(navDrawerItems,getApplicationContext());
lstMain.setAdapter(适配器);
}
//方法来显示所选的视图片段
私有void显示视图(内部位置){
//通过替换片段更新主要内容
片段frag=null;
开关(位置){
案例0:
frag=新的AddMyBillsFragment();
AddMyBillsFragment selectedBillerToEasyPayFrag=新建AddMyBillsFragment();
getSupportFragmentManager()。
beginTransaction()。
替换(R.id.my_布局,选择BillerToEasyPayFrag,“BillerToEasyPayDetails”).addToBackStack(null.commit();
打破
案例1:
frag=新视图MyBillsFragment();
打破
案例2:
frag=新的PayMyBillsFragment();
打破
案例3:
frag=新的EasyPayFragment();
打破
案例4:
frag=新MyBillAlertsFragment();
打破
违约:
打破
}
如果(frag!=null){
//FragmentManager fm=getSupportFragmentManager();
//fm.beginTransaction().replace(R.id.frame_容器,frag.commit();
FragmentManager fm=getSupportFragmentManager();
fm.beginTransaction().replace(R.id.my_布局,frag.commit();
//更新所选项目和标题,然后关闭抽屉
lstMain.setItemChecked(位置,true);
选举(职位);
设置标题(菜单项[位置]);
//}否则{
Log.e(“MenuActivity”,“创建片段时出错”);
}
}
//类来处理抽屉列表项的单击
私有类DrawerItemClickListener实现ListView.OnItemClickListener{
@凌驾
public void onItemClick(AdapterView父对象、视图、整型位置、长id){
显示视图(位置);
}
}
}
好心协助
主活动代码
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/my_layout"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:id="@android:id/list"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</LinearLayout>
请发布活动\u主代码。您好,我已将问题中的代码更新为包含活动\u主代码