我有一个问题,当我点击我的键盘时,我的屏幕内容不会被推高 - 而键盘只是重叠了我屏幕上的所有内容(即覆盖我的ListView
)。这是我的布局结构:
<ScrollView>
<RelativeLayout>
</RelativeLayout>
</ScrollView>
<ListView>
</ListView>
<LinearLayout>
<EditText></EditText>
</LinearLayout>
我将RelativeLayout
嵌套在ScrollView
中,因为我认为这会让我的整个布局都可以滚动,这样就可以推动&#34;所有布局,以便用户在键入他或她的响应时可以查看这些部分。我的AndroidManifest.xml中也有:android:windowSoftInputMode="adjustResize|stateVisible|stateAlwaysHidden"
这是一张正在发生的事情的图片:
这是我的代码。任何帮助将不胜感激!
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" android:fitsSystemWindows="true"
xmlns:fresco="http://schemas.android.com/tools"
android:id="@+id/comments_coordinator_layout">
<android.support.design.widget.AppBarLayout
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/comments_appbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="@style/AppTheme.PopupOverlay" />
</android.support.design.widget.AppBarLayout>
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@id/comments_coordinator_layout"
>
<RelativeLayout
android:layout_marginTop="?attr/actionBarSize"
android:id="@+id/view_post"
android:layout_width="match_parent"
android:paddingRight="5dp"
android:paddingLeft="5dp"
android:orientation="horizontal"
android:layout_height="175dp"
android:background="#e6e6e6">
<com.facebook.drawee.view.SimpleDraweeView
android:layout_marginTop="15dp"
android:id="@+id/poster_picture"
android:layout_width="75dp"
android:layout_height="75dp"
android:layout_marginLeft="10dp"
fresco:placeholderImage="@mipmap/blank_prof_pic"
fresco:roundedCornerRadius="5dp"
/>
<TextView
android:layout_marginLeft="5dp"
android:layout_marginTop="15dp"
android:layout_toRightOf="@id/poster_picture"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="15sp"
android:textStyle="bold"
android:id="@+id/poster_name"/>
<TextView
android:layout_alignParentRight="true"
android:layout_marginTop="15dp"
android:layout_toRightOf="@id/poster_name"
android:layout_marginLeft="5dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="15sp"
android:id="@+id/post_date"/>
<TextView
android:layout_marginLeft="5dp"
android:layout_toRightOf="@id/poster_picture"
android:layout_below="@id/poster_name"
android:textSize="20sp"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/view_status" />
</RelativeLayout>
</ScrollView>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:layout_marginTop="225dp"
android:id="@+id/lv_comments_feed"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/send_message">
</ListView>
<LinearLayout
android:id="@+id/send_message"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:layout_alignParentBottom="true"
android:orientation="horizontal" >
<EditText
android:id="@+id/write_comment"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|center_horizontal"
android:layout_weight="5"
android:gravity="top|left"
android:hint="Comment back!"
android:inputType="textMultiLine"
android:scrollHorizontally="false" />
<Button
android:id="@+id/send_comment"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|center_horizontal"
android:gravity="center"
android:text="send"
android:textAppearance="?android:attr/textAppearanceMedium" />
</LinearLayout>
</RelativeLayout>
</android.support.design.widget.CoordinatorLayout>
编辑:我尝试为LinearLayout
添加父ScrollView
。问题现在是:
当我将鼠标悬停在The vertically scrolling ScrollView should not contain another vertically scrolling widget
ListView
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent" android:fitsSystemWindows="true"
xmlns:fresco="http://schemas.android.com/tools"
android:id="@+id/comments_coordinator_layout">
<android.support.design.widget.AppBarLayout
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/comments_appbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="@style/AppTheme.PopupOverlay" />
</android.support.design.widget.AppBarLayout>
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@id/comments_coordinator_layout"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<RelativeLayout
android:layout_marginTop="?attr/actionBarSize"
android:id="@+id/view_post"
android:layout_width="match_parent"
android:paddingRight="5dp"
android:paddingLeft="5dp"
android:orientation="horizontal"
android:layout_height="175dp"
android:background="#e6e6e6">
<com.facebook.drawee.view.SimpleDraweeView
android:layout_marginTop="15dp"
android:id="@+id/poster_picture"
android:layout_width="75dp"
android:layout_height="75dp"
android:layout_marginLeft="10dp"
fresco:placeholderImage="@mipmap/blank_prof_pic"
fresco:roundedCornerRadius="5dp"
/>
<TextView
android:layout_marginLeft="5dp"
android:layout_marginTop="15dp"
android:layout_toRightOf="@id/poster_picture"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="15sp"
android:textStyle="bold"
android:id="@+id/poster_name"/>
<TextView
android:layout_alignParentRight="true"
android:layout_marginTop="15dp"
android:layout_toRightOf="@id/poster_name"
android:layout_marginLeft="5dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="15sp"
android:id="@+id/post_date"/>
<TextView
android:layout_marginLeft="5dp"
android:layout_toRightOf="@id/poster_picture"
android:layout_below="@id/poster_name"
android:textSize="20sp"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/view_status" />
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:layout_marginTop="225dp"
android:id="@+id/lv_comments_feed"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/send_message">
</ListView>
<LinearLayout
android:id="@+id/send_message"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:layout_alignParentBottom="true"
android:orientation="horizontal" >
<EditText
android:id="@+id/write_comment"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|center_horizontal"
android:layout_weight="5"
android:gravity="top|left"
android:hint="Comment back!"
android:inputType="textMultiLine"
android:scrollHorizontally="false" />
<Button
android:id="@+id/send_comment"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|center_horizontal"
android:gravity="center"
android:text="send"
android:textAppearance="?android:attr/textAppearanceMedium" />
</LinearLayout>
</RelativeLayout>
</LinearLayout>
</ScrollView>
</android.support.design.widget.CoordinatorLayout>
编辑:我认为最好的解决方案可能是创建一个自定义ListView
...,其中包含每个ListView
项目中的相同布局。关于如何实现这一点的任何建议或想法?
marginTop = 225 dp
但是即使我删除它,当我点击我的EditText
时,它只显示我的ListView
和上面的RelativeLayout
是隐
编辑:根据@ Fllo的回答,我仍然可以重现我在开始时使用此布局时出现的错误,所以这就是我在布局中的内容。此外,如果它有助于我的Android Manifest看起来像android:windowSoftInputMode="adjustResize|stateAlwaysHidden">
。
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent" android:fitsSystemWindows="true"
xmlns:fresco="http://schemas.android.com/tools"
android:id="@+id/comments_coordinator_layout">
<android.support.design.widget.AppBarLayout
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/comments_appbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="@style/AppTheme.PopupOverlay" />
</android.support.design.widget.AppBarLayout>
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@id/comments_coordinator_layout"
android:fillViewport="true"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<RelativeLayout
android:layout_marginTop="?attr/actionBarSize"
android:id="@+id/view_post"
android:layout_width="match_parent"
android:paddingRight="5dp"
android:paddingLeft="5dp"
android:orientation="horizontal"
android:layout_height="175dp"
android:background="#e6e6e6">
<com.facebook.drawee.view.SimpleDraweeView
android:layout_marginTop="15dp"
android:id="@+id/poster_picture"
android:layout_width="75dp"
android:layout_height="75dp"
android:layout_marginLeft="10dp"
fresco:placeholderImage="@mipmap/blank_prof_pic"
fresco:roundedCornerRadius="5dp"
/>
<TextView
android:layout_marginLeft="5dp"
android:layout_marginTop="15dp"
android:layout_toRightOf="@id/poster_picture"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="15sp"
android:textStyle="bold"
android:id="@+id/poster_name"/>
<TextView
android:layout_alignParentRight="true"
android:layout_marginTop="15dp"
android:layout_toRightOf="@id/poster_name"
android:layout_marginLeft="5dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="15sp"
android:id="@+id/post_date"/>
<TextView
android:layout_marginLeft="5dp"
android:layout_toRightOf="@id/poster_picture"
android:layout_below="@id/poster_name"
android:textSize="20sp"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/view_status" />
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:orientation="vertical"
android:id="@+id/container_list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/send_message">
</LinearLayout>
<LinearLayout
android:id="@+id/send_message"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:layout_alignParentBottom="true"
android:orientation="horizontal" >
<EditText
android:id="@+id/write_comment"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|center_horizontal"
android:layout_weight="5"
android:gravity="top|left"
android:hint="Comment back!"
android:inputType="textMultiLine"
android:scrollHorizontally="false" />
<Button
android:id="@+id/send_comment"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|center_horizontal"
android:gravity="center"
android:text="send"
android:textAppearance="?android:attr/textAppearanceMedium" />
</LinearLayout>
</RelativeLayout>
</LinearLayout>
</ScrollView>
</android.support.design.widget.CoordinatorLayout>
答案 0 :(得分:1)
在活动
下的清单中添加此内容QString CryptoUtils::hexEncode(QString text)
{
byte *bytearray = (byte *) text.toLatin1().data();
int length = text.toLatin1().length();
return hexEncode(bytearray, length);
}
答案 1 :(得分:1)
在Android中应避免使用内置}
和ListView
。实际上,这些布局有自己的滚动检测和手势。解决方案是防止列表上的滚动手势或计算高度并默认扩展它。但这会产生太多的工作,并且不会尊重Android模式和指南。
而不是按ScrollView
替换ListView
并保留父{4}},正如我的旧答案所指出的,我找到了一个可行的解决方法,其中包含以下步骤:< / p>
LinearLayout
ScrollView
,在键盘打开时重绘ListView
onSizeChanged()
并在上一个方法中检索其高度ListView
并计算偏移量lastVisiblePosition
lastVisiblePosition
的值
headerView
它需要这种布局:
布局的活动:
onClickListener
标题的布局(位于列表上方):
EditText
<CoordinatorLayout>
<AppBarLayout>
...
</AppBarLayout>
<RelativeLayout>
<CustomListView />
<LinearLayout>
...
</LinearLayout>
</RelativeLayout>
</CoordinatorLayout>
:<RelativeLayout>
<SimpleDraweeView />
<TextView />
...
</RelativeLayout>
Listview
:public class CustomListView extends ListView {
// last height item variable (updated from Activity)
public int lastItemHeight = 0;
public CustomListView(Context context) {
super(context, null);
}
public CustomListView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public CustomListView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
}
onSizeChanged()
的全部内容
当用户点击输入时,@Override
protected void onSizeChanged(int w, final int h, int oldw, int oldh) {
// save last position visible before resize
final int lastPosition = super.getLastVisiblePosition();
// call super SizeChanged method
super.onSizeChanged(w, h, oldw, oldh);
// after resizing, show the last visible item at the bottom of new listview's height, above the edit text
// see : http://developer.android.com/reference/android/widget/AbsListView.html#setSelectionFromTop(int, int)
super.setSelectionFromTop(lastPosition, (h - lastItemHeight));
}
变量会更新(在列表下方,这要归功于在ListView
中将&#34;标题&#34;图片容器设置为lastItemHeight
)。
现在,让我们看看headerView
:
Activity
和Activity
:ListView
Adapter
并设置// get custom listview element
final CustomListView list = (CustomListView) findViewById(R.id.container_list);
// example items child
ArrayList<String> items = new ArrayList<>();
for (int n=0; n<25; ++n) items.add("Blablabla n."+n);
// example adapter
ArrayAdapter<String> adapter = new ArrayAdapter<>(this, R.layout.item_list_text_simple, android.R.id.text1, items);
:HeaderView
Adapter
:// prepare the header content with picture
View header = getLayoutInflater().inflate(R.layout.test_header_image, null);
// set datas to the header elements (example)
Uri uri = Uri.parse("https://raw.githubusercontent.com/facebook/fresco/gh-pages/static/fresco-logo.png");
SimpleDraweeView draweeView = (SimpleDraweeView) header.findViewById(R.id.poster_picture);
draweeView.setImageURI(uri);
// add the header to listview
list.addHeaderView(header, null, false);
// set the adapter
list.setAdapter(adapter);
所有代码都是如此!最后一件事(Ow ..在哪里结束?),这里是布局:
EditText.setOnClickListener
的主要布局:// when the user clicks on EditText...
editMessage.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// set a new Thread
list.post(new Runnable() {
@Override
public void run() {
// get last position of child
int lastPosition = list.getLastVisiblePosition() - 1;
// if the list can give the view's last child
if (list.getChildAt(lastPosition) != null) {
// update the height of the last child in custom listview
list.lastItemHeight = list.getChildAt(lastPosition).getHeight();
}
}
});
}
});
Activity
的头部布局:<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/comments_coordinator_layout"
android:fitsSystemWindows="true"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.AppBarLayout
android:layout_height="wrap_content"
android:layout_width="match_parent">
<android.support.v7.widget.Toolbar ... />
</android.support.design.widget.AppBarLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="?attr/actionBarSize">
<com.package.name.CustomListView
android:id="@+id/container_list"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_above="@+id/send_message"/>
<LinearLayout
android:id="@+id/send_message"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:layout_alignParentBottom="true"
android:orientation="horizontal" >
<EditText ... />
<Button ... />
</LinearLayout>
</RelativeLayout>
</android.support.design.widget.CoordinatorLayout>
噢!我终于完成了。我真的希望你能有正确的行为。我测试了它,似乎工作得很好。
Here's another workaround与ListView
,但您必须将列表从底部开始。虽然这个解决方案可以让任何孩子在调整大小时保持在列表底部。
希望你能享受它;)