Example usage for android.view ViewGroup getChildAt

Introduction

In this page you can find the example usage for android.view ViewGroup getChildAt.

Prototype

public View getChildAt(int index) 

Source Link

Document

Returns the view at the specified position in the group.

Usage

From source file:cn.mailchat.view.PagerSlidingTabStrip.java

/**
 * ?????view//from  ww w .  ja v  a  2s . c  o m
 * @param position ??0
 * @return ???view
 */
public View getCurrentTargetView(int position) {
    ViewGroup viewGroup = (ViewGroup) tabsContainer.getChildAt(position);
    View view = viewGroup.getChildAt(1);
    return view;
}

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From source file:com.taobao.weex.ui.component.WXVContainer.java

/**
 * transverse view tree, and recycle wximageview in container
 * *//*from  w  w  w. ja v a 2  s  .c o  m*/
private void doViewTreeRecycleImageView(ViewGroup viewGroup, boolean isRelease) {
    int count = viewGroup.getChildCount();
    for (int i = 0; i < count; i++) {
        View view = viewGroup.getChildAt(i);
        if (view instanceof WXImageView) {
            if (isRelease) {
                ((WXImageView) view).autoReleaseImage();
            } else {
                ((WXImageView) view).autoRecoverImage();
            }
        } else if (view instanceof ViewGroup) {
            doViewTreeRecycleImageView((ViewGroup) view, isRelease);
        }
    }
}

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From source file:com.tmall.wireless.tangram.ext.SwipeItemTouchListener.java

private View findCanScrollView(View v) {
    if (v instanceof ViewGroup) {
        ViewGroup target = (ViewGroup) v;
        if ((target instanceof UltraViewPager || target instanceof RecyclerView)
                && target.getVisibility() == View.VISIBLE) {
            return target;
        } else {//from   w  w w. j av a 2  s  .  co  m
            for (int i = 0; i < target.getChildCount(); ++i) {
                View view = findCanScrollView(target.getChildAt(i));
                if (view != null) {
                    return view;
                }
            }
            return null;
        }
    } else {
        return null;
    }
}

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From source file:de.janniskilian.xkcdreader.presentation.components.showcomics.ShowComicsActivity.java

@Override
public void startSearchMode(boolean animate) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        if (animate) {
            final View actionMenuView = toolbar.getChildAt(1);
            final ViewGroup actionMenuViewGroup = (ViewGroup) actionMenuView;
            final View addButton = actionMenuViewGroup.getChildAt(0);

            searchButtonCenter = new Point(
                    (int) (addButton.getX() + actionMenuView.getX() + addButton.getWidth() / 2),
                    (int) (addButton.getY() + actionMenuView.getY() + addButton.getHeight() / 2));

            final Animator animator = ViewAnimationUtils.createCircularReveal(searchToolbar,
                    searchButtonCenter.x, searchButtonCenter.y, 0, searchToolbar.getWidth());
            animator.setDuration(revealStatusBarDuration);
            animator.addListener(new StartSearchModeAnimationListener(toolbar));
            searchToolbar.setVisibility(View.VISIBLE);
            animator.start();// w  w w.j  a v a 2  s .c o m
        } else {
            searchToolbar.setVisibility(View.VISIBLE);
        }

        setSupportActionBar(searchToolbar);

        final ActionBar actionBar = getSupportActionBar();
        if (actionBar != null) {
            actionBar.setHomeButtonEnabled(true);
            actionBar.setDisplayHomeAsUpEnabled(true);
            actionBar.setHomeAsUpIndicator(tintedBackArrow);
            actionBar.setDisplayShowTitleEnabled(false);
            actionBar.setDisplayShowCustomEnabled(true);
            actionBar.setCustomView(R.layout.toolbar_search);
        }
    } else {
        toolbar.setBackgroundColor(ContextCompat.getColor(this, R.color.background));

        final ActionBar actionBar = getSupportActionBar();
        if (actionBar != null) {
            actionBar.setHomeButtonEnabled(true);
            actionBar.setDisplayHomeAsUpEnabled(true);
            actionBar.setHomeAsUpIndicator(tintedBackArrow);
            actionBar.setDisplayShowTitleEnabled(false);
            actionBar.setDisplayShowCustomEnabled(true);
            actionBar.setCustomView(R.layout.toolbar_search);
        }

        invalidateOptionsMenu();
    }

    searchInput = (EditText) findViewById(R.id.search_input);
    searchInput.requestFocus();
    searchInputSub = RxTextView.textChangeEvents(searchInput)
            .debounce(searchInputDebounceDuration, TimeUnit.MILLISECONDS)
            .observeOn(AndroidSchedulers.mainThread()).subscribe(textViewTextChangeEvent -> {
                presenter.onSearchInputChanged(textViewTextChangeEvent.text().toString());
            });
    searchInputLengthSub = RxTextView.textChangeEvents(searchInput).observeOn(AndroidSchedulers.mainThread())
            .subscribe(textViewTextChangeEvent -> {
                presenter.onSearchInputLengthChanged(textViewTextChangeEvent.text().toString(),
                        textViewTextChangeEvent.count());
            });
    searchInput.setOnEditorActionListener((textView, actionId, keyEvent) -> {
        if (actionId == EditorInfo.IME_ACTION_SEARCH) {
            Utils.hideKeyboard(ShowComicsActivity.this);
            return true;
        }
        return false;
    });

    Utils.showKeyboard(this);

    searchResults.setVisibility(View.VISIBLE);
    if (animate) {
        searchResults.animate().alpha(1).setDuration(crossfadeViewPagerSearchDuration).setListener(null);

        viewPager.animate().alpha(0).setDuration(crossfadeViewPagerSearchDuration)
                .setListener(new AnimatorListenerAdapter() {
                    @Override
                    public void onAnimationEnd(Animator animation) {
                        viewPager.setVisibility(View.GONE);
                    }
                });
    } else {
        searchResults.setAlpha(1);
        viewPager.setAlpha(0);
        viewPager.setVisibility(View.GONE);
    }
}

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From source file:com.tr4android.support.extension.picker.date.DayPickerView.java

public DayPickerView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);

    mAccessibilityManager = (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);

    final TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.DatePickerDialog, defStyleAttr, 0); //TODO: add default style res

    final int firstDayOfWeek = a.getInt(R.styleable.DatePickerDialog_firstDayOfWeek,
            Calendar.getInstance(Locale.getDefault()).getFirstDayOfWeek());

    final String minDate = a.getString(R.styleable.DatePickerDialog_minDate);
    final String maxDate = a.getString(R.styleable.DatePickerDialog_maxDate);

    final int monthTextAppearanceResId = a.getResourceId(R.styleable.DatePickerDialog_monthTextAppearance,
            R.style.TextAppearance_Material_Widget_Calendar_Month);
    final int dayOfWeekTextAppearanceResId = a.getResourceId(R.styleable.DatePickerDialog_weekDayTextAppearance,
            R.style.TextAppearance_Material_Widget_Calendar_DayOfWeek);
    final int dayTextAppearanceResId = a.getResourceId(R.styleable.DatePickerDialog_dateTextAppearance,
            R.style.TextAppearance_Material_Widget_Calendar_Day);

    // Set up day selected color, if available.
    final ColorStateList daySelectorColor;
    if (a.hasValue(R.styleable.DatePickerDialog_daySelectorColor)) {
        daySelectorColor = a.getColorStateList(R.styleable.DatePickerDialog_daySelectorColor);
    } else {//from   www  .  j  a  va2s .  c  o m
        final TypedArray ta = context.obtainStyledAttributes(new int[] { R.attr.colorControlActivated });
        daySelectorColor = ta.getColorStateList(0);
        ta.recycle();
    }

    // Set up day highlight color, if available.
    final ColorStateList dayHighlightColor;
    if (a.hasValue(R.styleable.DatePickerDialog_dayHighlightColor)) {
        dayHighlightColor = a.getColorStateList(R.styleable.DatePickerDialog_dayHighlightColor);
    } else {
        final TypedArray ta = context.obtainStyledAttributes(new int[] { R.attr.colorControlHighlight });
        dayHighlightColor = ta.getColorStateList(0);
        ta.recycle();
    }

    a.recycle();

    // Set up adapter.
    mAdapter = new DayPickerPagerAdapter(context, R.layout.day_picker_month_item_material, R.id.month_view);
    mAdapter.setMonthTextAppearance(monthTextAppearanceResId);
    mAdapter.setDayOfWeekTextAppearance(dayOfWeekTextAppearanceResId);
    mAdapter.setDayTextAppearance(dayTextAppearanceResId);
    mAdapter.setDaySelectorColor(daySelectorColor);
    mAdapter.setDayHighlightColor(dayHighlightColor);

    final LayoutInflater inflater = LayoutInflater.from(context);
    final ViewGroup content = (ViewGroup) inflater.inflate(DEFAULT_LAYOUT, this, false);

    // Transfer all children from content to here.
    while (content.getChildCount() > 0) {
        final View child = content.getChildAt(0);
        content.removeViewAt(0);
        addView(child);
    }

    mPrevButton = (ImageButton) findViewById(R.id.prev);
    mPrevButton.setOnClickListener(mOnClickListener);

    mNextButton = (ImageButton) findViewById(R.id.next);
    mNextButton.setOnClickListener(mOnClickListener);

    mViewPager = (ViewPager) findViewById(R.id.day_picker_view_pager);
    mViewPager.setAdapter(mAdapter);
    mViewPager.addOnPageChangeListener(mOnPageChangedListener);

    // Set up background of the previous and next buttons.
    ViewCompatUtils.setBackground(mPrevButton, PickerThemeUtils.getNavButtonBackground(context));
    ViewCompatUtils.setBackground(mNextButton, PickerThemeUtils.getNavButtonBackground(context));

    // Set up min and max dates.
    final Calendar tempDate = Calendar.getInstance();
    if (!parseDate(minDate, tempDate)) {
        tempDate.set(DEFAULT_START_YEAR, Calendar.JANUARY, 1);
    }
    final long minDateMillis = tempDate.getTimeInMillis();

    if (!parseDate(maxDate, tempDate)) {
        tempDate.set(DEFAULT_END_YEAR, Calendar.DECEMBER, 31);
    }
    final long maxDateMillis = tempDate.getTimeInMillis();

    if (maxDateMillis < minDateMillis) {
        throw new IllegalArgumentException("maxDate must be >= minDate");
    }

    final long setDateMillis = MathUtils.constrain(System.currentTimeMillis(), minDateMillis, maxDateMillis);

    setFirstDayOfWeek(firstDayOfWeek);
    setMinDate(minDateMillis);
    setMaxDate(maxDateMillis);
    setDate(setDateMillis, false);

    // Proxy selection callbacks to our own listener.
    mAdapter.setOnDaySelectedListener(new DayPickerPagerAdapter.OnDaySelectedListener() {
        @Override
        public void onDaySelected(DayPickerPagerAdapter adapter, Calendar day) {
            if (mOnDaySelectedListener != null) {
                mOnDaySelectedListener.onDaySelected(DayPickerView.this, day);
            }
        }
    });
}

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From source file:com.pluscubed.velociraptor.settings.SettingsActivity.java

private void enableDisableAllChildren(boolean enable, ViewGroup viewgroup) {
    for (int i = 0; i < viewgroup.getChildCount(); i++) {
        View child = viewgroup.getChildAt(i);
        child.setEnabled(enable);/* w  w w. jav  a2s  .c o  m*/
        if (child instanceof ViewGroup) {
            enableDisableAllChildren(enable, (ViewGroup) child);
        }
    }
}

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From source file:com.mfh.framework.uikit.widget.SideSlidingTabStrip.java

/**
 * ViewPager/*from   w w  w . j  a  v  a2  s.  c o m*/
 * 
 * @param viewPager
 *            ViewPager
 */
public void setViewPager(ViewPager viewPager) {
    if (disableViewPager)
        return;
    this.viewPager = viewPager;
    this.viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
        @Override
        public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
            ViewGroup tabsLayout = getTabsLayout();
            if (position < tabsLayout.getChildCount()) {
                View view = tabsLayout.getChildAt(position);
                if (view != null) {
                    currentPosition = position;
                    currentPositionOffset = positionOffset;
                    scrollToChild(position, (int) (positionOffset * view.getWidth()));
                    invalidate();
                }
            }
            if (onPageChangeListener != null) {
                onPageChangeListener.onPageScrolled(position, positionOffset, positionOffsetPixels);
            }
        }

        @Override
        public void onPageSelected(int position) {

            //            ZLogger.d("Main onPageSelected " + position);
            selectedTab(position);
            if (onPageChangeListener != null) {
                onPageChangeListener.onPageSelected(position);
            }
            if (listener != null)
                listener.onChanged(position);
        }

        @Override
        public void onPageScrollStateChanged(int state) {
            if (onPageChangeListener != null) {
                onPageChangeListener.onPageScrollStateChanged(state);
            }
        }
    });
    //      //deprecated
    //      this.viewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
    //         @Override
    //         public void onPageSelected(int position) {
    //            selectedTab(position);
    //            if (onPageChangeListener != null) {
    //               onPageChangeListener.onPageSelected(position);
    //            }
    //            if (listener != null)
    //               listener.onChanged(position);
    //         }
    //
    //         @Override
    //         public void onPageScrolled(int nextPagePosition,
    //               float positionOffset, int positionOffsetPixels) {
    //            ViewGroup tabsLayout = getTabsLayout();
    //            if (nextPagePosition < tabsLayout.getChildCount()) {
    //               View view = tabsLayout.getChildAt(nextPagePosition);
    //               if (view != null) {
    //                  currentPosition = nextPagePosition;
    //                  currentPositionOffset = positionOffset;
    //                  scrollToChild(nextPagePosition,
    //                        (int) (positionOffset * view.getWidth()));
    //                  invalidate();
    //               }
    //            }
    //            if (onPageChangeListener != null) {
    //               onPageChangeListener.onPageScrolled(nextPagePosition,
    //                     positionOffset, positionOffsetPixels);
    //            }
    //         }
    //
    //         @Override
    //         public void onPageScrollStateChanged(int arg0) {
    //            if (onPageChangeListener != null) {
    //               onPageChangeListener.onPageScrollStateChanged(arg0);
    //            }
    //         }
    //      });
    requestLayout();
}

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From source file:android.support.v7.internal.view.menu.BaseMenuPresenter.java

/**
 * Reuses item views when it can//from  w w  w .  j a  va 2s.  c  om
 */
public void updateMenuView(boolean cleared) {
    final ViewGroup parent = (ViewGroup) mMenuView;
    if (parent == null)
        return;

    int childIndex = 0;
    if (mMenu != null) {
        mMenu.flagActionItems();
        ArrayList<MenuItemImpl> visibleItems = mMenu.getVisibleItems();
        final int itemCount = visibleItems.size();
        for (int i = 0; i < itemCount; i++) {
            MenuItemImpl item = visibleItems.get(i);
            if (shouldIncludeItem(childIndex, item)) {
                final View convertView = parent.getChildAt(childIndex);
                final MenuItemImpl oldItem = convertView instanceof MenuView.ItemView
                        ? ((MenuView.ItemView) convertView).getItemData()
                        : null;
                final View itemView = getItemView(item, convertView, parent);
                if (item != oldItem) {
                    // Don't let old states linger with new data.
                    itemView.setPressed(false);
                    ViewCompat.jumpDrawablesToCurrentState(itemView);
                }
                if (itemView != convertView) {
                    addItemView(itemView, childIndex);
                }
                childIndex++;
            }
        }
    }

    // Remove leftover views.
    while (childIndex < parent.getChildCount()) {
        if (!filterLeftoverView(parent, childIndex)) {
            childIndex++;
        }
    }
}

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From source file:com.lgh.tool.myview.PagerSlidingTabStrip.java

/**
 * ?TAB/*from  ww  w  . ja  v  a 2  s .c  om*/
 */
private void selectedTab(int newSelectedTabPosition) {
    ViewGroup tabsLayout = getTabsLayout();
    if (newSelectedTabPosition > -1 && tabsLayout != null
            && newSelectedTabPosition < tabsLayout.getChildCount()) {
        for (int w = 0, size = tabsLayout.getChildCount(); w < size; w++) {
            View tabView = tabsLayout.getChildAt(w);
            tabView.setSelected(w == newSelectedTabPosition);
        }
    }
}

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From source file:com.summer.lib.view.pinnedheaderexpandablelistview.expandable.ui.PinnedHeaderExpandableListView.java

private View getTouchTarget(View view, int x, int y) {
    if (!(view instanceof ViewGroup)) {
        return view;
    }/*from www . j a  v  a  2  s .  c  o  m*/

    ViewGroup parent = (ViewGroup) view;
    int childrenCount = parent.getChildCount();
    final boolean customOrder = isChildrenDrawingOrderEnabled();
    View target = null;
    for (int i = childrenCount - 1; i >= 0; i--) {
        final int childIndex = customOrder ? getChildDrawingOrder(childrenCount, i) : i;
        final View child = parent.getChildAt(childIndex);
        if (isTouchPointInView(child, x, y)) {
            target = child;
            break;
        }
    }
    if (target == null) {
        target = parent;
    }

    return target;
}

---

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