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私はAndroid開発を初めて使い、xamarin androidでtabLayoutを作成することに決めました。私はそれがすべて働いているが、唯一の問題は、私のViewPagerはフラグメントではなくxmlレイアウトを表示しています。Xamarin Android TabLayoutレイアウトの代わりにViewPagerにフラグメントを追加する
レイアウト内のボタンでは何もできません。アダプターなどで別のことを試しましたが、動作させるように見えません。
TabLayoutは、LinearLayoutとHorizontalScrollViewを含むカスタム作成です。
全体tabLayoutを追加マイMainActivity：アダプターとViewPagerと
public class MainActivity : Activity
{
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Api getapi = new Api();
// getapi.GetApi();
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
FragmentTransaction transaction = FragmentManager.BeginTransaction();
SlidingTabsFragment fragment = new SlidingTabsFragment();
transaction.Replace(Resource.Id.sample_content_fragment, fragment);
transaction.Commit();
}
}
マイ断片（単にレイアウト醜い気圧を膨らませる）：
public class SlidingTabsFragment : Fragment
{
private SlidingTabScrollView mSlidingTabScrollView;
private ViewPager mViewPager;
public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
var view = inflater.Inflate(Resource.Layout.fragment_sample, container, false);
return view;
}
public override void OnViewCreated(View view, Bundle savedInstanceState)
{
mSlidingTabScrollView = view.FindViewById<SlidingTabScrollView>(Resource.Id.sliding_tabs);
mViewPager = view.FindViewById<ViewPager>(Resource.Id.viewpager);
mViewPager.Adapter = new SamplePagerAdapter();
mSlidingTabScrollView.ViewPager = mViewPager;
}
public class SamplePagerAdapter : PagerAdapter
{
List<string> items = new List<string>();
public SamplePagerAdapter()
: base()
{
items.Add("Home");
items.Add("Surfboard kopen");
items.Add("Surfboard customize");
items.Add("Nieuwsbrief");
items.Add("Contact");
items.Add("FAQ");
}
public override int Count
{
get { return items.Count; }
}
public override bool IsViewFromObject(View view, Java.Lang.Object obj)
{
return view == obj;
}
public override Java.Lang.Object InstantiateItem(ViewGroup container, int position)
{
if (position == 4)
{
View view = LayoutInflater.From(container.Context).Inflate(Resource.Layout.Contact, container, false);
container.AddView(view);
return view;
}
if (position == 0)
{
View view = LayoutInflater.From(container.Context).Inflate(Resource.Layout.Home, container, false);
container.AddView(view);
return view;
}
}
public string GetHeaderTitle(int position)
{
return items[position];
}
public override void DestroyItem(ViewGroup container, int position, Java.Lang.Object obj)
{
container.RemoveView((View)obj);
}
}
}
Main.axml：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#E2E2E2"
android:id="@+id/sample_main_layout">
<FrameLayout
android:id="@+id/sample_content_fragment"
android:layout_weight="2"
android:layout_width="match_parent"
android:layout_height="0px" />
</LinearLayout>
fragment_sample.axml：
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff">
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/backgroundd"
android:src="@drawable/SurfChicks"
android:scaleType="centerCrop"
android:alpha="0.35" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<Smoothboard_Stylers_App.SlidingTabScrollView
android:id="@+id/sliding_tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<android.support.v4.view.ViewPager
android:id="@+id/viewpager"
android:layout_width="match_parent"
android:layout_height="0px"
android:layout_weight="1" />
</LinearLayout>
</RelativeLayout>
Scrollviewは： Image
すべてのヘルプははるかに高く評価され、感謝：
namespace Smoothboard_Stylers_App
{
public class SlidingTabScrollView : HorizontalScrollView
{
private const int TITLE_OFFSET_DIPS = 24;
private const int TAB_VIEW_PADDING_DIPS = 16;
private const int TAB_VIEW_TEXT_SIZE_SP = 12;
private int mTitleOffset;
private int mTabViewLayoutID;
private int mTabViewTextViewID;
private ViewPager mViewPager;
private ViewPager.IOnPageChangeListener mViewPagerPageChangeListener;
private static SlidingTabStrip mTabStrip;
private int mScrollState;
public interface TabColorizer
{
int GetIndicatorColor(int position);
int GetDividerColor(int position);
}
public SlidingTabScrollView(Context context) : this(context, null) { }
public SlidingTabScrollView(Context context, IAttributeSet attrs) : this(context, attrs, 0) { }
public SlidingTabScrollView(Context context, IAttributeSet attrs, int defaultStyle)
: base(context, attrs, defaultStyle)
{
//Disable the scroll bar
HorizontalScrollBarEnabled = false;
//Make sure the tab strips fill the view
FillViewport = true;
this.SetBackgroundColor(Android.Graphics.Color.Rgb(0xE5, 0xE5, 0xE5)); //Gray color
mTitleOffset = (int)(TITLE_OFFSET_DIPS * Resources.DisplayMetrics.Density);
mTabStrip = new SlidingTabStrip(context);
this.AddView(mTabStrip, LayoutParams.MatchParent, LayoutParams.MatchParent);
}
public TabColorizer CustomTabColorizer
{
set { mTabStrip.CustomTabColorizer = value; }
}
public int[] SelectedIndicatorColor
{
set { mTabStrip.SelectedIndicatorColors = value; }
}
public int[] DividerColors
{
set { mTabStrip.DividerColors = value; }
}
public ViewPager.IOnPageChangeListener OnPageListener
{
set { mViewPagerPageChangeListener = value; }
}
public ViewPager ViewPager
{
set
{
mTabStrip.RemoveAllViews();
mViewPager = value;
if (value != null)
{
value.PageSelected += value_PageSelected;
value.PageScrollStateChanged += value_PageScrollStateChanged;
value.PageScrolled += value_PageScrolled;
PopulateTabStrip();
}
}
}
void value_PageScrolled(object sender, ViewPager.PageScrolledEventArgs e)
{
int tabCount = mTabStrip.ChildCount;
if ((tabCount == 0) || (e.Position < 0) || (e.Position >= tabCount))
{
//if any of these conditions apply, return, no need to scroll
return;
}
mTabStrip.OnViewPagerPageChanged(e.Position, e.PositionOffset);
View selectedTitle = mTabStrip.GetChildAt(e.Position);
int extraOffset = (selectedTitle != null ? (int)(e.Position * selectedTitle.Width) : 0);
ScrollToTab(e.Position, extraOffset);
if (mViewPagerPageChangeListener != null)
{
mViewPagerPageChangeListener.OnPageScrolled(e.Position, e.PositionOffset, e.PositionOffsetPixels);
}
}
void value_PageScrollStateChanged(object sender, ViewPager.PageScrollStateChangedEventArgs e)
{
mScrollState = e.State;
if (mViewPagerPageChangeListener != null)
{
mViewPagerPageChangeListener.OnPageScrollStateChanged(e.State);
}
}
void value_PageSelected(object sender, ViewPager.PageSelectedEventArgs e)
{
if (mScrollState == ViewPager.ScrollStateIdle)
{
mTabStrip.OnViewPagerPageChanged(e.Position, 0f);
ScrollToTab(e.Position, 0);
}
if (mViewPagerPageChangeListener != null)
{
mViewPagerPageChangeListener.OnPageSelected(e.Position);
}
}
private void PopulateTabStrip()
{
PagerAdapter adapter = mViewPager.Adapter;
for (int i = 0; i < adapter.Count; i++)
{
TextView tabView = CreateDefaultTabView(Context);
tabView.Text = ((SlidingTabsFragment.SamplePagerAdapter)adapter).GetHeaderTitle(i);
tabView.SetTextColor(Android.Graphics.Color.Black);
tabView.Tag = i;
tabView.Click += tabView_Click;
mTabStrip.AddView(tabView);
}
}
void tabView_Click(object sender, EventArgs e)
{
TextView clickTab = (TextView)sender;
int pageToScrollTo = (int)clickTab.Tag;
mViewPager.CurrentItem = pageToScrollTo;
}
private TextView CreateDefaultTabView(Android.Content.Context context)
{
TextView textView = new TextView(context);
textView.Gravity = GravityFlags.Center;
textView.SetTextSize(ComplexUnitType.Sp, TAB_VIEW_TEXT_SIZE_SP);
textView.Typeface = Android.Graphics.Typeface.DefaultBold;
if (Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.Honeycomb)
{
TypedValue outValue = new TypedValue();
Context.Theme.ResolveAttribute(Android.Resource.Attribute.SelectableItemBackground, outValue, false);
textView.SetBackgroundResource(outValue.ResourceId);
}
if (Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.IceCreamSandwich)
{
textView.SetAllCaps(true);
}
int padding = (int)(TAB_VIEW_PADDING_DIPS * Resources.DisplayMetrics.Density);
textView.SetPadding(padding, padding, padding, padding);
return textView;
}
protected override void OnAttachedToWindow()
{
base.OnAttachedToWindow();
if (mViewPager != null)
{
ScrollToTab(mViewPager.CurrentItem, 0);
}
}
private void ScrollToTab(int tabIndex, int extraOffset)
{
int tabCount = mTabStrip.ChildCount;
if (tabCount == 0 || tabIndex < 0 || tabIndex >= tabCount)
{
//No need to go further, dont scroll
return;
}
View selectedChild = mTabStrip.GetChildAt(tabIndex);
if (selectedChild != null)
{
int scrollAmountX = selectedChild.Left + extraOffset;
if (tabIndex > 0 || extraOffset > 0)
{
scrollAmountX -= mTitleOffset;
}
this.ScrollTo(scrollAmountX, 0);
}
}
}
}
これは、それがどのように見えるかです！
あなたはどのように見えるのか、デザインイメージを見せていただけますか？ – stylishCoder
デザインを追加しました@stylishCoder –
私の経験から、 'fragment'の中に' viewpager'を置くことは非常に悪い考えです。 – arsena