Java ViewPager.setId方法代碼示例

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  ViewPager viewPager = new ViewPager(this);
  viewPager.setId(View.generateViewId());
  setContentView(viewPager, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT));
  viewPager.setAdapter(new Issue117Adapter(getSupportFragmentManager()));
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
@Override
public void onCreate(@Nullable final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    final ViewPager viewPager = new ViewPager(this);
    viewPager.setId(View.generateViewId());
    setContentView(viewPager);

    viewPager.setAdapter(new PagerAdapter(getSupportFragmentManager()));
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
@Override
protected void onFinishInflate() {
    super.onFinishInflate();

    // 動態配置ViewPager
    if (getChildCount() == 1) {
        // 如果有一個子控件，就嘗試把它當作ViewPager
        View child = getChildAt(0);
        if (child instanceof ViewPager && child instanceof Pager) {
            vpContent = (ViewPager) child;
        } else {
            throw new IllegalStateException("NavView must has 0 or 1 child that implement 'Pager' interface and exptend 'ViewPager' class at same time.");
        }
    } else {
        // 否則默認創建
        vpContent = new TpgViewPager(getContext());
    }
    // 設置默認Id
    if (vpContent.getId() == View.NO_ID) {
        vpContent.setId(vpContent.hashCode());
    }

    //獲取控件
    View view = LayoutInflater.from(getContext()).inflate(R.layout.widget_nav, this);
    vDivider = view.findViewById(R.id.v_divider);
    rgTabs = view.findViewById(R.id.rg_tabs);
    flContent = view.findViewById(R.id.fl_content);

    // 將ViewPager添加到界麵
    if (null != vpContent) {
        ViewUtils.removeFromParent(vpContent);
        flContent.addView(vpContent);
    }

    setNavHeight((int) DensityUtils.px2dp(getContext(), mNavHeight));

    //設置整個導航欄的背景。如果同時設置了顏色和圖片做背景，以圖片為主
    rgTabs.setBackgroundColor(mNavBgColor);
    if (null != mNavBgImg) {
        rgTabs.setBackgroundDrawable(mNavBgImg);
    }

    if (mNavDividerLineColor == Color.TRANSPARENT) {
        //如果顏色透明，就隱藏分割線
        vDivider.setVisibility(View.GONE);
    } else {
        //否則就顯示分割線，並設置相應顏色
        vDivider.setBackgroundColor(mNavDividerLineColor);
        vDivider.setVisibility(View.VISIBLE);
    }

    //設置是否可滑動
    setScrollAble(mScrollAble);
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
/**
 * 當View中所有的子控件均被映射成xml後觸發
 * 可以在這裏獲取具體的子控件
 */
@Override
protected void onFinishInflate() {
    super.onFinishInflate();

    // 動態配置ViewPager
    if (getChildCount() == 1) {
        // 如果有一個子控件，就嘗試把它當作ViewPager
        View child = getChildAt(0);
        if (child instanceof ViewPager && child instanceof Pager) {
            vpContent = (ViewPager) child;
        } else {
            throw new IllegalStateException("TpgView must has 0 or 1 child that implement 'Pager' interface and exptend 'ViewPager' class at same time.");
        }
    } else {
        // 否則默認創建
        vpContent = new TpgViewPager(getContext());
    }
    // 設置默認Id
    if (vpContent.getId() == View.NO_ID) {
        vpContent.setId(vpContent.hashCode());
    }

    View view = LayoutInflater.from(getContext()).inflate(R.layout.widget_tpg, this);
    rlTab = view.findViewById(R.id.rl_tab);
    tvText = view.findViewById(R.id.tv_text);
    tlTabs = view.findViewById(R.id.tl_tabs);
    ivExpand = view.findViewById(R.id.iv_expand);
    flContent = view.findViewById(R.id.fl_content);

    // 將ViewPager添加到界麵
    if (null != vpContent) {
        ViewUtils.removeFromParent(vpContent);
        flContent.addView(vpContent);
    }

    //設置自定義屬性值到相應控件上
    //設置整個Tab欄的高度和背景顏色
    setTabHeight((int) DensityUtils.px2dp(getContext(), mTabHeight));
    setTabBgColor(mTabBgColor);

    //設置TabLayout的字體顏色、TabMode和TabGravity
    setTabTextColor(mTabTextNormalColor, mTabTextSelectedColor);
    setTabIndicatorColor(mTabIndicatorColor);
    setTabIndicatorHeight((int) DensityUtils.px2dp(getContext(), mTabIndicatorHeight));
    setTabMode(mTabMode);
    setTabGravity(mTabGravity);

    //設置TabLayout左邊的TextView
    mTextSize = DensityUtils.px2sp(getContext(), mTextSize);
    mTextMarginLeft = (int) DensityUtils.px2dp(getContext(), mTextMarginLeft);
    mTextMarginRight = (int) DensityUtils.px2dp(getContext(), mTextMarginRight);
    setText(mText);
    setTextColor(mTextColor);
    setTextSize(mTextSize);
    setTextVisible(mTextVisible);
    setTextMarginLeft(mTextMarginLeft);
    setTextMarginRight(mTextMarginRight);

    //設置是否顯示可擴展圖標
    setExpandVisible(mExpandVisible);
    //設置圖標資源
    setExpandIcon(mExpandIcon);
    //設置是否可滑動
    setScrollAble(mScrollAble);
}
 

import android.support.v4.view.ViewPager; //導入方法依賴的package包/類
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
  Log.d("onCreateView " + this);

  View rod = inflater.inflate(R.layout.udsendelser_vandret_skift_frag, container, false);

  kanal = App.grunddata.kanalFraKode.get(getArguments().getString(P_KANALKODE));
  startudsendelse = App.data.udsendelseFraSlug.get(getArguments().getString(P_UDSENDELSE));
  if (startudsendelse == null) { // Fix for https://www.bugsense.com/dashboard/project/cd78aa05/errors/805598045
    if (!App.PRODUKTION) { // https://www.bugsense.com/dashboard/project/cd78aa05/errors/822628124
      App.langToast("startudsendelse==null for " + kanal);
    }
    Log.e(new IllegalStateException("startudsendelse==null"));
    // Fjern backstak og hop ud
    FragmentManager fm = getActivity().getSupportFragmentManager();
    fm.popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);
    FragmentTransaction ft = fm.beginTransaction();
    ft.replace(R.id.indhold_frag, new Kanaler_frag());
    ft.addToBackStack(null);
    ft.commit();
    return rod;
  }
  Log.d("onCreateView " + this + " viser " + " / " + startudsendelse);


  viewPager = (ViewPager) rod.findViewById(R.id.pager);
  //noinspection ResourceType
  viewPager.setId(123); // TODO hvorfor? fjern eller forklar hvorfor R.id.pager ikke er god nok
  pager_title_strip = rod.findViewById(R.id.pager_title_strip);
  // Da ViewPager er indlejret i et fragment skal adapteren virke på den indlejrede (child)
  // fragmentmanageren - ikke på aktivitens (getFragmentManager)
  adapter = new UdsendelserAdapter(getChildFragmentManager());
  Datoformater.opdateriDagIMorgenIGårDatoStr(App.serverCurrentTimeMillis());

  udsendelser = new ArrayList<Udsendelse>();
  udsendelser.add(startudsendelse);
  adapter.setListe(udsendelser);
  viewPager.setAdapter(adapter);
  hentUdsendelser(0);

  vispager_title_strip();
  viewPager.setOnPageChangeListener(this);
  // Nødvendigt fordi underfragmenter har optionsmenu
  // - ellers nulstilles optionsmenuen ikke når man hopper ud igen!
  setHasOptionsMenu(true);
  return rod;
}