Android ListView内部滚动视图魔术
对于我的应用程序,我想启用一个类似以下内容的东西:Android ListView内部滚动视图魔术,android,android-listview,touch,android-actionbar,android-scrollview,Android,Android Listview,Touch,Android Actionbar,Android Scrollview,对于我的应用程序,我想启用一个类似以下内容的东西: <ScrollView> <LinearLayout orientation="vertical"> <FrameLayout layout_height="48dp"> Anything I want here... </FrameLayout> <ListView> It's s
<ScrollView>
<LinearLayout orientation="vertical">
<FrameLayout layout_height="48dp">
Anything I want here...
</FrameLayout>
<ListView>
It's size will be set to screen height anyway
</ListView>
</LinearLayout>
</ScrollView>
我想要的任何东西。。。
它的大小将设置为屏幕高度
我想这样做,当用户触摸屏幕滚动时,首先只有scrollview滚动,然后,当它到达一个边缘时,滚动事件转到listview并开始滚动
我怎样才能做到这一点
另外,这样做的原因是为了制作某种隐藏的actionbar,当用户深入屏幕时,它会从屏幕上滚动,然后当用户向上滚动时,它会从底部显示,而不是动画,而是当列表移动时。因此,如果我将列表滚动到操作栏高度的一半,我会在屏幕上看到操作栏的下半部分。
你可以在iOS Google+应用程序中看到我的意思
任何帮助都将不胜感激。在Layaout设置参数中
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:fillViewport="true" >
<ListView
android:id="@+id/listview"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
</ListView>
</ScrollView>
我这样做是为了知道我在哪里滚动,使用OnScrollListener和OnTouchListener知道我在哪里滚动,这对我来说很好
setOnTouchListener(new OnTouchListener() {
float oldY = -1;
@Override
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
oldY = event.getY();
v.getParent().requestDisallowInterceptTouchEvent(true);
break;
case MotionEvent.ACTION_UP:
v.getParent().requestDisallowInterceptTouchEvent(false);
break;
}
if (oldY > -1 &&
(mFirstVisibleItem == 0 && oldY < event.getY()) ||
(mLastVisibleItem >= mTotalOfItems && oldY > event.getY())) {
v.getParent().requestDisallowInterceptTouchEvent(false);
}
v.onTouchEvent(event);
return true;
}
});
setOnTouchListener(新的OnTouchListener(){
float oldY=-1;
@凌驾
公共布尔onTouch(视图v,运动事件){
开关(event.getAction()){
case MotionEvent.ACTION\u DOWN:
oldY=event.getY();
v、 getParent().RequestDisallowWinterCeptTouchEvent(true);
打破
case MotionEvent.ACTION\u UP:
v、 getParent().RequestDisallowWinterCeptTouchEvent(false);
打破
}
如果(旧的>-1&&
(mFirstVisibleItem==0&&oldY=mTotalOfItems&&oldY>event.getY()){
v、 getParent().RequestDisallowWinterCeptTouchEvent(false);
}
v、 事件;
返回true;
}
});
表示您在scrollview中遇到了listview的滚动问题?
* ListView lv = (ListView)findViewById(R.id.myListView);
lv.setOnTouchListener(new ListView.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
int action = event.getAction();
switch (action) {
case MotionEvent.ACTION_DOWN:
// Disallow ScrollView to intercept touch events.
v.getParent().requestDisallowInterceptTouchEvent(true);
break;
case MotionEvent.ACTION_UP:
// Allow ScrollView to intercept touch events.
v.getParent().requestDisallowInterceptTouchEvent(false);
break;
}
// Handle ListView touch events.
v.onTouchEvent(event);
return true;
}
});k;
}
// Handle ListView touch events.
v.onTouchEvent(event);
return true;
}
});*
setOnScrollListener(new OnScrollListener() {
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
}
@Override
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
mFirstVisibleItem = firstVisibleItem;
mLastVisibleItem = firstVisibleItem + visibleItemCount;
mTotalOfItems = totalItemCount;
}
});
setOnTouchListener(new OnTouchListener() {
float oldY = -1;
@Override
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
oldY = event.getY();
v.getParent().requestDisallowInterceptTouchEvent(true);
break;
case MotionEvent.ACTION_UP:
v.getParent().requestDisallowInterceptTouchEvent(false);
break;
}
if (oldY > -1 &&
(mFirstVisibleItem == 0 && oldY < event.getY()) ||
(mLastVisibleItem >= mTotalOfItems && oldY > event.getY())) {
v.getParent().requestDisallowInterceptTouchEvent(false);
}
v.onTouchEvent(event);
return true;
}
});