正如标题所示，我正在尝试同时实现所有这些功能。最初我有一个功能齐全的side-nav，带有SwipeRefreshLayout，它包含一个列表视图（使用自定义列表适配器）。然后我在SwipeRefreshLayout中添加了一个ViewPager，一切都很有用......除了我刷卡列表视图时有时候不会出现在新的'标签'中。大多数时候我看到第一页和列表视图，我向右滑动，没有，我向右滑动，什么都没有，我刷了左，列表视图，我刷到开头，没什么。
我应该补充说，一切都是动态的，导航项是从我的服务器接收的（也是页数），每个页面都有一个带有不同列表项的自定义列表适配器。所有这些动态信息似乎都会在每页滑动等时正确接收和调整。
现在代码！
嵌入了swiperefreshlayout和view pager的抽屉布局。 “drawer.xml”
<?xml version="1.0" encoding="utf-8"?>
<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">
<android.support.v4.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/swipe_container"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
</android.support.v4.widget.SwipeRefreshLayout>
<!-- As the main content view, the view below consumes the entire
space available using match_parent in both dimensions. -->
<FrameLayout
android:id="@+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
<!-- android:layout_gravity="start" tells DrawerLayout to treat
this as a sliding drawer on the left side for left-to-right
languages and on the right side for right-to-left languages.
The drawer is given a fixed width in dp and extends the full height of
the container. A solid background is used for contrast
with the content view. -->
<ListView
android:id="@+id/left_drawer"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:choiceMode="singleChoice"
android:divider="@color/grey_lighter"
android:dividerHeight="1dp"
android:background="#FFFFFF"/>
</android.support.v4.widget.DrawerLayout>
Listview，其中包含在活动“dashboard.xml”中动态创建的自定义列表项：
<?xml version="1.0" encoding="utf-8"?>
<ListView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/LV_dashboard"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/textView1"
android:layout_alignRight="@+id/textView1"
android:layout_below="@+id/textView1" >
</ListView>
现在进行片段活动：
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mContext = this.getApplicationContext();
navItems = new ArrayList<String>();
this.setContentView(R.layout.drawer);
mMerchantIds = Session.get().getMerchID(); //array retrieved from cache used for api
mCustomerPagerAdapter = new CustomerPagerAdapter(getSupportFragmentManager());
// Set up the ViewPager, attaching the adapter.
mViewPager = (ViewPager) findViewById(R.id.pager);
mViewPager.setAdapter(mCustomerPagerAdapter);
mTitle = mDrawerTitle = getTitle();
mNavTitles = getResources().getStringArray(R.array.nav_array); //I realize this isn't dynamic, I haven't gotten around to that just yet.
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.left_drawer);
connection = new WiselyRequest();
// 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.nav_item, mNavTitles));
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);
}
}
这分为两部分，我们将从抽屉开始：
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 (this is not what the pager does)
Fragment fragment = null;
fragment = new CustomerFragment();
Bundle args = new Bundle();
args.putString(KEY_MERCHANT_ID, (mMerchantIds.get(position)));
fragment.setArguments(args);
FragmentManager fragmentManager = getSupportFragmentManager();
fragmentManager.beginTransaction().replace(R.id.content_frame, fragment).commit();
// update selected item and title, then close the drawer
mDrawerList.setItemChecked(position, true);
setTitle(mNavTitles[position]);
mDrawerLayout.closeDrawer(mDrawerList);
}
以下是查看分页器：
public class CustomerPagerAdapter extends FragmentPagerAdapter {
public CustomerPagerAdapter(FragmentManager fm) {
super(fm);
}
@Override
public Fragment getItem(int i) {
Fragment fragment = new CustomerFragment();
Bundle args = new Bundle();
Log.d("Wisely", "merchants: "+mMerchantIds.get(i));
args.putString(KEY_MERCHANT_ID, (mMerchantIds.get(i))); // Our object is just an integer :-P
fragment.setArguments(args);
return fragment;
}
@Override
public int getCount() {
// For this contrived example, we have a 100-object collection.
return mMerchantIds.size(); //equal to the number of merchantss (that many customer objects)
}
@Override
public CharSequence getPageTitle(int position) {
return "OBJECT " + (position + 1);
}
}
以下是抽屉和寻呼机正在使用的客户片段以及处理刷新的位置：
public class CustomerFragment extends Fragment implements OnRefreshListener {
private View rootView;
SwipeRefreshLayout swipeLayout;
public CustomerFragment() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
Bundle args = getArguments();
String merchantID = args.getString(KEY_MERCHANT_ID);
if(connection.checkConnectivity(getApplicationContext())){
getRecentCustomers(API.getRecentCustomers()+"?merchant_id="+merchantID); //api call works totally fine, and correctly sets up the adapter
}
else
Toast.makeText(DashboardActivity.this, "Need to be connected to the internet!", 4000).show();
rootView = inflater.inflate(R.layout.dashboard, container, false);//inflates the dashboard
swipeLayout = (SwipeRefreshLayout)findViewById(R.id.swipe_container);
swipeLayout.setOnRefreshListener(this);
swipeLayout.setColorScheme(android.R.color.holo_blue_bright, android.R.color.holo_green_light, android.R.color.holo_orange_light, android.R.color.holo_red_light);
registerClickCallback(rootView);
return rootView;
}
@Override
public void onRefresh() {
if(connection.checkConnectivity(getApplicationContext()))
reloadActivity(); //literally turns the activity on and off without animation
else
Toast.makeText(DashboardActivity.this, "Need to be connected to the internet!", 4000).show();
}
我认为问题出现在我的布局中，而不是列表适配器或客户片段中似乎工作正常（每次我刷到新页面时都会调用api并将正确的数据放入列表视图中。我只是看不到它。我也意识到导航器不是动态的，但我现在更大的问题是能够在页面上浏览多个列表视图。当我更改我的customerFragment以使用一个简单的文本视图在它的数字，似乎工作正常，除了第一页永远不会消失，其他页面只是堆积在它上面（我认为这与抽屉中的framelayout有关，但删除它会破坏代码，因为我的唠叨抽屉依赖它）。有什么建议吗？
答案 0 :(得分：0)
我认为，你必须创建自己的类来扩展DrawerLayout或ViewPager。 在课程内部，您必须覆盖方法：
onInterceptTouchEvent（） - 在这里你评估TouchEvent并返回true，如果你正在拦截它（不传递给子视图）
你必须根据你想要达到的目标来调整拦截条件。
指南在这里： http://developer.android.com/training/gestures/viewgroup.html