Android 带标题/节的导航抽屉
我想知道是否有任何方法可以将标题/节添加到导航抽屉中。我设法添加了类似的内容,但它只显示在列表的顶部,因为需要在setAdapter之前调用addHeaderView,如果我尝试在setAdapter之后添加更多元素,它们将重写第一个元素 谢谢 编辑: } 编辑: 我通过结合不同来源的解决方案找到了一个很好的解决方案,这是我使用的主要类: 入口适配器Android 带标题/节的导航抽屉,android,android-layout,android-listview,navigation-drawer,Android,Android Layout,Android Listview,Navigation Drawer,我想知道是否有任何方法可以将标题/节添加到导航抽屉中。我设法添加了类似的内容,但它只显示在列表的顶部,因为需要在setAdapter之前调用addHeaderView,如果我尝试在setAdapter之后添加更多元素,它们将重写第一个元素 谢谢 编辑: } 编辑: 我通过结合不同来源的解决方案找到了一个很好的解决方案,这是我使用的主要类: 入口适配器 import java.util.ArrayList; import android.content.Context; import andro
import java.util.ArrayList;
import android.content.Context;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;
import com.androidbegin.sidemenututorial.R;
public class EntryAdapter extends ArrayAdapter<Item> {
private enum RowType {
LIST_ITEM, HEADER_ITEM
}
private Context context;
private ArrayList<Item> items;
private LayoutInflater vi;
public EntryAdapter(Context context, ArrayList<Item> items) {
super(context,0, items);
this.context = context;
this.items = items;
vi = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getViewTypeCount() { //Returns the number of types of Views that will be created by getView(int, View, ViewGroup).
return RowType.values().length;
}
@Override
public int getItemViewType(int position) { //framework calls getItemViewType for row n, the row it is about to display.
//Get the type of View that will be created by getView(int, View, ViewGroup) for the specified item.
Log.i("LIST", "item at " + position + " is "
+ ((getItem(position).isSection() ? 0 : 1) == 0 ? "section" : "normal item"));
return getItem(position).isSection() ? 0 : 1; // get position passes (n) and accertain is its a header or not
}
@Override
public boolean isEnabled(int position) {
return !getItem(position).isSection();
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
final Item i = items.get(position);
if (i != null) {
if(i.isSection()){
SectionItem si = (SectionItem) i;
v = vi.inflate(R.layout.list_item_section, null);
v.setOnClickListener(null);
v.setOnLongClickListener(null);
v.setLongClickable(false);
final TextView sectionView = (TextView) v.findViewById(R.id.list_item_section_text);
sectionView.setText(si.getTitle());
}else{
EntryItem ei = (EntryItem) i;
v = vi.inflate(R.layout.list_item_entry, null);
final TextView title = (TextView)v.findViewById(R.id.list_item_entry_title);
final TextView subtitle = (TextView)v.findViewById(R.id.list_item_entry_summary);
if (title != null)
title.setText(ei.title);
if(subtitle != null)
subtitle.setText(ei.subtitle);
}
}
return v;
}
}
项目
public class EntryItem implements Item{
public final String title;
public final String subtitle;
public EntryItem(String title, String subtitle) {
this.title = title;
this.subtitle = subtitle;
}
@Override
public boolean isSection() {
return false;
}
}
public interface Item {
public boolean isSection();
}
public class SectionItem implements Item{
private final String title;
public SectionItem(String title) {
this.title = title;
}
public String getTitle(){
return title;
}
@Override
public boolean isSection() {
return true;
}
}
部分项目
public class EntryItem implements Item{
public final String title;
public final String subtitle;
public EntryItem(String title, String subtitle) {
this.title = title;
this.subtitle = subtitle;
}
@Override
public boolean isSection() {
return false;
}
}
public interface Item {
public boolean isSection();
}
public class SectionItem implements Item{
private final String title;
public SectionItem(String title) {
this.title = title;
}
public String getTitle(){
return title;
}
@Override
public boolean isSection() {
return true;
}
}
main活动
import java.util.ArrayList;
import android.content.Context;
import android.content.res.Configuration;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;
import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;
import com.androidbegin.item.EntryAdapter;
import com.androidbegin.item.EntryItem;
import com.androidbegin.item.Item;
import com.androidbegin.item.SectionItem;
public class MainActivity extends SherlockFragmentActivity {
// Declare Variable
DrawerLayout mDrawerLayout;
ListView mDrawerList;
ActionBarDrawerToggle mDrawerToggle;
MenuListAdapter mMenuAdapter;
String[] title;
String[] subtitle;
int[] icon;
Fragment fragment1 = new Fragment1();
Fragment fragment2 = new Fragment2();
Fragment fragment3 = new Fragment3();
Context context;
ArrayList<Item> items = new ArrayList<Item>();
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.drawer_main);
this.context = this;
// Generate title
title = new String[] { "Title Fragment 1", "Title Fragment 2",
"Title Fragment 3" };
// Generate subtitle
subtitle = new String[] { "Subtitle Fragment 1", "Subtitle Fragment 2",
"Subtitle Fragment 3" };
// Generate icon
icon = new int[] { R.drawable.action_about, R.drawable.action_settings,
R.drawable.collections_cloud };
// Locate DrawerLayout in drawer_main.xml
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
// Locate ListView in drawer_main.xml
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);
// Pass results to MenuListAdapter Class
// mMenuAdapter = new MenuListAdapter(this, title, subtitle, icon);
// Set the MenuListAdapter to the ListView
// mDrawerList.setAdapter(mMenuAdapter);
items.add(new SectionItem("Category 1"));
items.add(new EntryItem("Item 1", "This is item 1.1"));
items.add(new EntryItem("Item 2", "This is item 1.2"));
items.add(new EntryItem("Item 3", "This is item 1.3"));
items.add(new SectionItem("Category 2"));
items.add(new EntryItem("Item 4", "This is item 2.1"));
items.add(new EntryItem("Item 5", "This is item 2.2"));
items.add(new EntryItem("Item 6", "This is item 2.3"));
items.add(new EntryItem("Item 7", "This is item 2.4"));
items.add(new SectionItem("Category 3"));
items.add(new EntryItem("Item 8", "This is item 3.1"));
items.add(new EntryItem("Item 9", "This is item 3.2"));
items.add(new EntryItem("Item 10", "This is item 3.3"));
items.add(new EntryItem("Item 11", "This is item 3.4"));
items.add(new EntryItem("Item 12", "This is item 3.5"));
EntryAdapter adapter = new EntryAdapter(this, items);
mDrawerList.setAdapter(adapter);
// Capture button clicks on side menu
mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
// Enable ActionBar app icon to behave as action to toggle nav drawer
getSupportActionBar().setHomeButtonEnabled(true);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
// ActionBarDrawerToggle ties together the the proper interactions
// between the sliding drawer and the action bar app icon
mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
R.drawable.ic_drawer, R.string.drawer_open,
R.string.drawer_close) {
public void onDrawerClosed(View view) {
// TODO Auto-generated method stub
super.onDrawerClosed(view);
}
public void onDrawerOpened(View drawerView) {
// TODO Auto-generated method stub
super.onDrawerOpened(drawerView);
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
if (savedInstanceState == null) {
selectItem(0);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getSupportMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
if (mDrawerLayout.isDrawerOpen(mDrawerList)) {
mDrawerLayout.closeDrawer(mDrawerList);
} else {
mDrawerLayout.openDrawer(mDrawerList);
}
}
return super.onOptionsItemSelected(item);
}
// The click listener for ListView in the navigation drawer
private class DrawerItemClickListener implements
ListView.OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
Log.i("LIST", "item position = " + Integer.toString(position)
+ "\nitem id = " + String.valueOf(id));
if (!items.get(position).isSection()) {
EntryItem item = (EntryItem)items.get(position);
Toast.makeText(context, "You clicked " + item.title , Toast.LENGTH_SHORT).show();
selectItem(position);
}
// selectItem(position);
}
}
private void selectItem(int position) {
FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
// Locate Position
switch (position) {
case 0:
ft.replace(R.id.content_frame, fragment1);
break;
case 1:
ft.replace(R.id.content_frame, fragment2);
break;
case 2:
ft.replace(R.id.content_frame, fragment3);
break;
}
ft.commit();
mDrawerList.setItemChecked(position, true);
// Close drawer
mDrawerLayout.closeDrawer(mDrawerList);
}
@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 toggles
mDrawerToggle.onConfigurationChanged(newConfig);
}
}
import java.util.ArrayList;
导入android.content.Context;
导入android.content.res.Configuration;
导入android.os.Bundle;
导入android.support.v4.app.ActionBarDrawerToggle;
导入android.support.v4.app.Fragment;
导入android.support.v4.app.FragmentTransaction;
导入android.support.v4.view.GravityCompat;
导入android.support.v4.widget.DrawerLayout;
导入android.util.Log;
导入android.view.view;
导入android.widget.AdapterView;
导入android.widget.ListView;
导入android.widget.Toast;
导入com.actionbarsherlock.app.SherlockFragmentActivity;
导入com.actionbarsherlock.view.Menu;
导入com.actionbarsherlock.view.MenuItem;
导入com.androidbegin.item.EntryAdapter;
导入com.androidbegin.item.EntryItem;
导入com.androidbegin.item.item;
导入com.androidbegin.item.SectionItem;
公共类MainActivity扩展了SherlockFragmentActivity{
//声明变量
抽屉布局mDrawerLayout;
ListView mDrawerList;
ActionBarDrawerToggle mDrawerToggle;
MenuListAdapter mMenuAdapter;
字符串[]标题;
字符串[]副标题;
int[]图标;
Fragment fragment1=新的fragment1();
片段fragment2=新片段2();
Fragment fragment3=新的fragment3();
语境;
ArrayList items=新建ArrayList();
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(右布局,抽屉主视图);
this.context=this;
//生成标题
title=新字符串[]{“title Fragment 1”、“title Fragment 2”,
“标题片段3”};
//生成字幕
subtitle=新字符串[]{“subtitle Fragment 1”,“subtitle Fragment 2”,
“字幕片段3”};
//生成图标
icon=newint[]{R.drawable.action\u关于,R.drawable.action\u设置,
R.drawable.collections_cloud};
//在drawer_main.xml中找到抽屉布局
mDrawerLayout=(抽屉布局)findViewById(R.id.抽屉布局);
//在drawer_main.xml中找到ListView
mDrawerList=(ListView)findViewById(R.id.left\u抽屉);
//当抽屉打开时,设置覆盖主要内容的自定义阴影
//打开
mDrawerLayout.setDrawerShadow(R.drawable.DrawerShadow,
重力比较(启动);
//将结果传递给MenuListAdapter类
//MMENUAAdapter=新菜单适配器(此、标题、副标题、图标);
//将MenuListAdapter设置为ListView
//mDrawerList.setAdapter(mMenuAdapter);
项目。添加(新章节项目(“1类”);
添加(新条目(“第1项”,“这是第1.1项”);
添加(新条目(“第2项”,“这是第1.2项”);
添加(新条目(“第3项”,“这是第1.3项”);
增加(新的章节项目(“第2类”);
添加(新条目项目(“第4项”,“这是第2.1项”);
添加(新条目项目(“第5项”,“这是第2.2项”);
添加(新条目(“第6项”,“本项为第2.3项”);
添加(新条目项目(“第7项”,“这是第2.4项”);
增加(新的章节项目(“第3类”);
添加(新条目(“第8项”,“本项为第3.1项”);
添加(新条目项目(“第9项”,“这是第3.2项”);
添加(新条目(“第10项”,“本项为第3.3项”);
添加(新条目(“第11项”,“本项为第3.4项”);
添加(新条目(“第12项”,“本项为第3.5项”);
EntryAdapter=新的EntryAdapter(此,项);
mDrawerList.setAdapter(适配器);
//捕获按钮点击侧面菜单
setOnItemClickListener(新的DrawerItemClickListener());
//启用ActionBar应用程序图标作为切换导航抽屉的操作
getSupportActionBar().setHomeButtonEnabled(true);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
//ActionBarDrawerToggle将适当的交互连接在一起
//在滑动抽屉和操作栏应用程序图标之间
mDrawerToggle=新操作BarDrawerToggle(此,mDrawerLayout,
R.drawable.ic_抽屉,R.string.drawer_抽屉打开,
右弦抽屉(U关闭){
公共无效onDrawerClosed(视图){
//TODO自动生成的方法存根
super.onDrawerClosed(视图);
}
打开图纸上的公共空白(视图抽屉视图){
//TODO自动生成的方法存根
super.onDrawerOpened(抽屉视图);
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
如果(savedInstanceState==null){
选择项目(0);
}
}
@凌驾
公共布尔onCreateOptions菜单(菜单){
getSupportMenuInflater().充气(R.menu.activity\u主菜单);
返回true;
}
@凌驾
公共布尔值onOptionsItemSelected(菜单项项){
if(item.getItemId()==android.R.id.home){
if(mDrawerLayout.isDrawerOpen(mDrawerList)){
mDrawerLayout.closeDrawer(mDrawerList);
}否则{
mDrawerLayout.openDrawer(mDrawerList);
}
}
返回super.onOptionsItemSelected(项目);
}
//naviga中ListView的单击侦听器