Android 如何将具有多个列表视图的滚动视图添加到抽屉布局(导航抽屉)
我正在尝试向k9 mail添加一个导航抽屉,在这样做的过程中,我尝试创建一个包含三个listview的导航抽屉,并且我希望每个listview使用相同的滚动条,因此它们是固定的,除了它们一起滚动之外。基本上,我希望ListView像一个列表一样,一起滚动并堆叠在一起。但是,每当我试图通过将ListView添加到ScrollView时,都会出现一个错误。现在,如何在抽屉布局中使用ScrollView而不引发错误 它抛出的错误Android 如何将具有多个列表视图的滚动视图添加到抽屉布局(导航抽屉),android,android-listview,navigation-drawer,android-scrollview,drawerlayout,Android,Android Listview,Navigation Drawer,Android Scrollview,Drawerlayout,我正在尝试向k9 mail添加一个导航抽屉,在这样做的过程中,我尝试创建一个包含三个listview的导航抽屉,并且我希望每个listview使用相同的滚动条,因此它们是固定的,除了它们一起滚动之外。基本上,我希望ListView像一个列表一样,一起滚动并堆叠在一起。但是,每当我试图通过将ListView添加到ScrollView时,都会出现一个错误。现在,如何在抽屉布局中使用ScrollView而不引发错误 它抛出的错误 08-13 11:11:33.148: E/AndroidRuntime
08-13 11:11:33.148: E/AndroidRuntime(17586): FATAL EXCEPTION: main
08-13 11:11:33.148: E/AndroidRuntime(17586): Process: com.bernard.beaconportal.activities, PID: 17586
08-13 11:11:33.148: E/AndroidRuntime(17586): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.bernard.beaconportal.activities/com.bernard.beaconportal.activities.activity.MessageList}: java.lang.ClassCastException: android.widget.FrameLayout$LayoutParams cannot be cast to android.support.v4.widget.DrawerLayout$LayoutParams
08-13 11:11:33.148: E/AndroidRuntime(17586): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2225)
08-13 11:11:33.148: E/AndroidRuntime(17586): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2274)
08-13 11:11:33.148: E/AndroidRuntime(17586): at android.app.ActivityThread.access$800(ActivityThread.java:145)
08-13 11:11:33.148: E/AndroidRuntime(17586): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1206)
08-13 11:11:33.148: E/AndroidRuntime(17586): at android.os.Handler.dispatchMessage(Handler.java:102)
08-13 11:11:33.148: E/AndroidRuntime(17586): at android.os.Looper.loop(Looper.java:136)
08-13 11:11:33.148: E/AndroidRuntime(17586): at android.app.ActivityThread.main(ActivityThread.java:5144)
08-13 11:11:33.148: E/AndroidRuntime(17586): at java.lang.reflect.Method.invokeNative(Native Method)
08-13 11:11:33.148: E/AndroidRuntime(17586): at java.lang.reflect.Method.invoke(Method.java:515)
08-13 11:11:33.148: E/AndroidRuntime(17586): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
08-13 11:11:33.148: E/AndroidRuntime(17586): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:611)
08-13 11:11:33.148: E/AndroidRuntime(17586): at dalvik.system.NativeStart.main(Native Method)
08-13 11:11:33.148: E/AndroidRuntime(17586): Caused by: java.lang.ClassCastException: android.widget.FrameLayout$LayoutParams cannot be cast to android.support.v4.widget.DrawerLayout$LayoutParams
08-13 11:11:33.148: E/AndroidRuntime(17586): at android.support.v4.widget.DrawerLayout.isDrawerView(DrawerLayout.java:968)
08-13 11:11:33.148: E/AndroidRuntime(17586): at android.support.v4.widget.DrawerLayout.closeDrawer(DrawerLayout.java:1169)
08-13 11:11:33.148: E/AndroidRuntime(17586): at com.bernard.beaconportal.activities.activity.MessageList.selectItem_Inbox(MessageList.java:3048)
08-13 11:11:33.148: E/AndroidRuntime(17586): at com.bernard.beaconportal.activities.activity.MessageList.onCreate(MessageList.java:706)
08-13 11:11:33.148: E/AndroidRuntime(17586): at android.app.Activity.performCreate(Activity.java:5434)
08-13 11:11:33.148: E/AndroidRuntime(17586): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
08-13 11:11:33.148: E/AndroidRuntime(17586): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2179)
08-13 11:11:33.148: E/AndroidRuntime(17586): ... 11 more
抽屉的xml文件
<?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:background="#ffffff" >
<FrameLayout
android:id="@+id/content_frame"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:background="@color/white"
>
<com.bernard.beaconportal.activities.view.ViewSwitcher
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/container"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@color/white">
<FrameLayout
android:id="@+id/message_list_container"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:clickable="true"
android:background="@color/white"/>
<FrameLayout
android:id="@+id/message_view_container"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:clickable="true"
android:background="@color/white"/>
</com.bernard.beaconportal.activities.view.ViewSwitcher>
</FrameLayout>
<com.bernard.beaconportal.activities.activity.VerticalScrollview
android:layout_height="match_parent"
android:layout_width="wrap_content"
>
<LinearLayout
android:id="@+id/left_drawer"
android:layout_height="match_parent"
android:layout_width="320dp"
android:orientation="vertical"
android:layout_gravity="start"
android:background="#ffffff"
android:clickable="true">
<ListView
android:id="@+id/listview_inbox"
android:layout_weight="1"
android:layout_height="wrap_content"
android:layout_width="320dp"
android:orientation="vertical"
android:layout_gravity="start"
android:background="#ffffff"
android:minHeight="64dip"
android:layout_alignBottom="@+id/Person"
android:choiceMode="singleChoice"
android:divider="#ECF0F1"
android:dividerHeight="1dp"
android:listSelector="@drawable/list_selector"
/>
<ListView
android:id="@+id/listview_drawer"
android:layout_weight="1"
android:layout_height="wrap_content"
android:layout_width="320dp"
android:orientation="vertical"
android:layout_gravity="start"
android:background="#ffffff"
android:minHeight="64dip"
android:layout_alignBottom="@+id/Person"
android:choiceMode="singleChoice"
android:divider="#ECF0F1"
android:dividerHeight="1dp"
android:listSelector="@drawable/list_selector"
/>
<ListView
android:id="@android:id/list"
android:layout_weight="1"
android:layout_height="wrap_content"
android:layout_width="320dp"
android:orientation="vertical"
android:layout_gravity="start"
android:background="#ffffff"
android:minHeight="64dip"
android:layout_alignBottom="@+id/Person"
android:choiceMode="singleChoice"
android:divider="#ECF0F1"
android:dividerHeight="1dp"
android:listSelector="@drawable/list_selector"
/>
</LinearLayout>
</com.bernard.beaconportal.activities.activity.VerticalScrollview>
</android.support.v4.widget.DrawerLayout>
包含导航抽屉的活动位于此处:我们不应该在ScrollView中使用ListView,因为列表视图已经是ScrollView,列表视图中的项目已经可以滚动 当我们试图将ListView添加到ScrollView中时,我们可能会遇到一个问题,列表视图将只显示适配器中的一个项 解决方案: 以编程方式计算列表项的大小并设置ListView的高度
public static void setListViewHeightBasedOnChildren(ListView listView) {
ListAdapter listAdapter = listView.getAdapter();
if (listAdapter == null) {
// pre-condition
return;
}
int totalHeight = 0;
for (int i = 0; i < listAdapter.getCount(); i++) {
View listItem = listAdapter.getView(i, null, listView);
listItem.measure(0, 0);
totalHeight += listItem.getMeasuredHeight();
}
ViewGroup.LayoutParams params = listView.getLayoutParams();
params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));
listView.setLayoutParams(params);
listView.requestLayout();
}
public static void setListViewHeightBasedOnChildren(ListView ListView){
ListAdapter ListAdapter=listView.getAdapter();
如果(listAdapter==null){
//前提条件
返回;
}
int totalHeight=0;
对于(int i=0;i
来源:博客上的帖子帮助我解决了这个问题。
&因此,事实证明,使用是一种可行的方法,现在的问题只是找出如何在listview中以不同的方式对待每个部分,就像它自己的单独listview一样。哦,好吧,至少我最初的问题已经解决了 首先下载库,然后设置并导入它 然后我在onCreate之前声明了这一点
private MergeAdapter mergeadapter = null;
然后在onCreate中
mergeadapter = new MergeAdapter();
然后在填充上次填充的listView时
public void populateListView(Account[] realAccounts) {
List<BaseAccount> accounts = new ArrayList<BaseAccount>();
if (displaySpecialAccounts() && !K9.isHideSpecialAccounts()) {
BaseAccount unifiedInboxAccount = SearchAccount
.createUnifiedInboxAccount(this);
BaseAccount allMessagesAccount = SearchAccount
.createAllMessagesAccount(this);
accounts.add(unifiedInboxAccount);
accounts.add(allMessagesAccount);
}
accounts.addAll(Arrays.asList(realAccounts));
AccountsAdapter adapter = new AccountsAdapter(accounts);
mDrawerList_Inbox = (ListView) findViewById(R.id.listview_inbox);
mDrawerList_Inbox.setAdapter(adapter);
mDrawerList_Inbox.invalidate();
LayoutInflater inflater = getLayoutInflater();
View header_folders = (View) inflater.inflate(R.layout.header_folders,
null);
View header_drawer = (View) inflater.inflate(R.layout.header_drawer,
null);
View header_inbox = (View) inflater.inflate(R.layout.header_inbox, null);
mergeadapter.addView(header_inbox);
mergeadapter.addAdapter(mAdapter_Accounts);
mergeadapter.addView(header_drawer);
mergeadapter.addAdapter(mMenuAdapter);
mergeadapter.addView(header_folders);
mergeadapter.addAdapter(mAdapter);
mDrawerList.setAdapter(mergeadapter);
}
public void populateListView(账户[]realAccounts){
列表帐户=新的ArrayList();
if(displayespecialaccounts()&&!K9.isHideSpecialAccounts()){
BaseCount unifiedInboxAccount=SearchAccount
.createUnifiedInboxAccount(此);
BaseCount allMessagesAccount=SearchAccount
.createAllMessagesAccount(此);
账户。添加(unifiedInboxAccount);
accounts.add(allMessagesAccount);
}
accounts.addAll(Arrays.asList(realAccounts));
AccountsAdapter=新AccountsAdapter(帐户);
mDrawerList_收件箱=(ListView)findViewById(R.id.ListView_收件箱);
mDrawerList_Inbox.setAdapter(适配器);
mDrawerList_Inbox.invalidate();
LayoutInflater充气机=getLayoutInflater();
查看页眉\u文件夹=(查看)充气器。充气(R.layout.header\u文件夹,
无效);
视图标题\抽屉=(视图)充气器。充气(右布局。标题\抽屉,
无效);
查看标题\收件箱=(查看)充气器。充气(R.layout.header\收件箱,空);
mergeadapter.addView(标题和收件箱);
mergeadapter.addAdapter(mAdapter_账户);
mergeadapter.addView(标题/抽屉);
mergeadapter.addAdapter(mMenuAdapter);
mergeadapter.addView(标题和文件夹);
mergeadapter.addAdapter(mAdapter);
mDrawerList.setAdapter(合并适配器);
}
问题可能来自以下行:mDrawerLayout.closeDrawer(mDrawerLinear)代码>。尝试改用它:mDrawerLayout.closeDrawer(Gravity.Left)代码>。。。那么,为什么不使用一个ExpandableListView
?您应该使用一个ListView
。如果他们有相同的行为,没有理由使用其中三个。这是怎么回事?所有这些属性都有确切的ListView
定义(以及一些无用或错误的属性)。我希望每个listview使用相同的滚动条,所以它们是固定的,只是它们都一起滚动。-您到底想如何实现这一目标?如果列表视图
足够大,则需要滚动以查看内容(您需要使用滚动条来指示),但是您希望单个滚动和所有列表视图一起滚动。您的解释中有些错误。您可以使用不同的行类型(您可以使用Commonware的MergeAdapter使其更简单)*有些可以长时间单击,有些不能。*-您不能为整个ListView设置一个OnLongClickListener
,并删除不应该包含它的行的事件吗?我坚持这一点是因为你在其他可滚动部件中嵌套可滚动部件(ListView),这在Android中很少是个好主意。问题在于您的设计决策。只需使用一个具有3种不同视图类型的listview。问题已解决。使用此选项,问题仍然存在,即如何将所有ListView滚动为一个。这解决了使ListView几乎像线性布局的问题,但是我们不能滚动它,所以它几乎没有用处。我的问题要求的是一种滚动方式,而不是一种将其转换为线性布局类型视图的方式。您好,我很愚蠢,帖子是abt在滚动视图中添加多个列表视图,下面您给出的答案与滚动视图没有链接。你的问题是什么?在列表视图中合并适配器还是在滚动视图中添加列表视图?答案是合并适配器,滚动视图会更容易。但使用滚动视图似乎几乎是“禁止的”。
public void populateListView(Account[] realAccounts) {
List<BaseAccount> accounts = new ArrayList<BaseAccount>();
if (displaySpecialAccounts() && !K9.isHideSpecialAccounts()) {
BaseAccount unifiedInboxAccount = SearchAccount
.createUnifiedInboxAccount(this);
BaseAccount allMessagesAccount = SearchAccount
.createAllMessagesAccount(this);
accounts.add(unifiedInboxAccount);
accounts.add(allMessagesAccount);
}
accounts.addAll(Arrays.asList(realAccounts));
AccountsAdapter adapter = new AccountsAdapter(accounts);
mDrawerList_Inbox = (ListView) findViewById(R.id.listview_inbox);
mDrawerList_Inbox.setAdapter(adapter);
mDrawerList_Inbox.invalidate();
LayoutInflater inflater = getLayoutInflater();
View header_folders = (View) inflater.inflate(R.layout.header_folders,
null);
View header_drawer = (View) inflater.inflate(R.layout.header_drawer,
null);
View header_inbox = (View) inflater.inflate(R.layout.header_inbox, null);
mergeadapter.addView(header_inbox);
mergeadapter.addAdapter(mAdapter_Accounts);
mergeadapter.addView(header_drawer);
mergeadapter.addAdapter(mMenuAdapter);
mergeadapter.addView(header_folders);
mergeadapter.addAdapter(mAdapter);
mDrawerList.setAdapter(mergeadapter);
}