我有一个包含水平列表视图的android活动。下面是它的布局：
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id ="@+id/topMostLayout"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@color/grey">
<HorizontalScrollView
android:id ="@+id/horScrollView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
>
<LinearLayout
android:id ="@+id/dateRibbon"
android:orientation="horizontal"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="50dp"
android:layout_marginRight="50dp"
android:gravity="center"
>
</LinearLayout>
</HorizontalScrollView>
<TextView
android:id="@+id/line"
android:paddingTop="5dip"
android:gravity="center_horizontal"
android:layout_width="match_parent"
android:layout_height="5dp"
android:background ="#37000000"
android:layout_below="@id/horScrollView"
/>
<LinearLayout
android:id="@+id/bottom_control_bar"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true" >
</LinearLayout>
<ListView
android:id="@android:id/list"
android:layout_width="fill_parent"
android:layout_height="0dip"
android:layout_above="@id/bottom_control_bar"
android:layout_below="@id/line" >
</ListView>
<TextView
android:id="@android:id/empty"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@id/bottom_control_bar"
android:layout_below="@id/horScrollView"
android:text="@string/tasks_empty" />
</RelativeLayout>
问题是当我向horizontalscrollview内的linearlayout添加视图时，它不会完全向右滚动，因此最右边的子视图对用户是不可见的。我将textviews添加到linearlayout。下面是填充线性布局的代码：
LinearLayout dateRibbon = FindViewById<LinearLayout>(Resource.Id.dateRibbon);
dateRibbon.RemoveAllViews();
TextView tView;
m_dateRibbonTextViews = new List<TextView>();
m_dateRibbonDates = new List<DateTime>();
int currentJobId = Telecetera.Connect.JobLibrary.JobData.Job.GetCurrentJobID();
int defaultCurrentJobID = Telecetera.Connect.JobLibrary.JobData.Job.SYSDIR_CURRENTJOB_DEFAULT;
Telecetera.Connect.JobLibrary.JobData.JobDetailsList jobDetailsList;
int i = -1;
foreach (DateTime date in jobsByDay.Keys)
{
++i;
jobDetailsList = jobsByDay[date];
tView = new TextView(this);
tView.Gravity = GravityFlags.CenterHorizontal;
tView.Text = GetDateDisplayString(date);
tView.SetTextSize(Android.Util.ComplexUnitType.Sp, 18);
tView.SetPadding(10, 0, 10, 0);
if (currentJobId != defaultCurrentJobID && jobDetailsList.GetByJobID(currentJobId) != null)
{
m_indicesDaysWithCurrentJob.Add(i);
tView.SetBackgroundColor(Android.Graphics.Color.Cyan);
}
else
{
tView.SetBackgroundColor(Android.Graphics.Color.White);
}
tView.Click += new EventHandler(tView_Click);
dateRibbon.AddView(tView);
m_dateRibbonTextViews.Add(tView);
m_dateRibbonDates.Add(date);
tView = new TextView(this);
tView.SetPadding(2, 0, 2, 0);
tView.SetBackgroundColor(Resources.GetColor(Resource.Color.grey));
dateRibbon.AddView(tView);
}
任何关于为什么它没有完全滚动到右边的提示将不胜感激！ 感谢。
答案 0 :(得分：1)
我能够通过删除
解决它android:layout_marginLeft="50dp"
android:layout_marginRight="50dp"
行。
答案 1 :(得分：0)
你可以将填充设置为线性布局这里是我的代码，它显示中心的文本视图，并在开始和视图结束时给出一些空间。
lLayTwo.setPadding((center - 2 - centerScreenChildLeft), 0, (center - 2 - centerScreenChildRight), 0);
private void addSubMenu(ArrayList<String> list,String mainMenu){
this.mainMenu = mainMenu;
lLayTwo.removeAllViews();
mViewFlipper.setDisplayedChild(mViewFlipper.indexOfChild(mViewPlain));
menu = list;
Log.d(TAG, "meulist "+menu.size());
range = list.size() * 2 + 1;
Log.d(TAG, "range "+range);
int menuItem = 0;
for ( int i = 0; i < range; i++ ) {
if ( i % 2 == 0 ){
View txt = new View(MCSDistrictMainActivity.this);
txt.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
txt.setBackgroundResource(R.drawable.line);
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
params.setMargins(0, 3, 0, 0);
lLayTwo.addView(txt,params);
}else{
TextView txt = new TextView(MCSDistrictMainActivity.this);
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(parentChildWidh, LayoutParams.WRAP_CONTENT);
params.setMargins(0, 8, 0, 5);
params.gravity = Gravity.CENTER;
txt.setText(menu.get(menuItem));
txt.setTag(menu.get(menuItem));
txt.setTextColor(getResources().getColor(R.color.violet));
txt.setTextSize(15f);
txt.setGravity(Gravity.CENTER_HORIZONTAL);
menuItem += 1;
lLayTwo.addView(txt,params);
}
}
Log.d(TAG, "llayout Two "+lLayTwo.getChildCount()+" width "+parentChildWidh+" LEFT "+parentChildLeft);
int left = parentChildLeft;
int width = parentChildWidh;
int centerTab = 1 + hsvLowerTab.getWidth() / 2;
Log.d(TAG, "Measures left "+left+" width "+width+" center "+centerTab+" all "+( left + width -centerTab ));
//(left + width/2)-centerTab
hsvLowerTab.scrollTo((left + width/2)-centerTab, 0);
hsvLowerTab.dispatchTouchEvent (MotionEvent.obtain(SystemClock.uptimeMillis(), SystemClock.uptimeMillis(),
MotionEvent.ACTION_UP,(left + width/2)-centerTab, 0, 0));
}