Example usage for android.view ViewGroup getChildCount

List of usage examples for android.view ViewGroup getChildCount

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Introduction

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

Prototype

public int getChildCount()

Source Link

Document

Returns the number of children in the group.

Usage

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

/**
 * ViewPager/*from w w  w  . j ava2  s . c o  m*/
 * @param viewPager ViewPager
 */
public void setViewPager(ViewPager viewPager) {
    if (disableViewPager)
        return;
    this.viewPager = viewPager;
    this.viewPager.setOnPageChangeListener(new OnPageChangeListener() {
        @Override
        public void onPageSelected(int position) {
            selectedTab(position);
            if (onPageChangeListener != null) {
                onPageChangeListener.onPageSelected(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() + getLeftMargin(view) + getRightMargin(view))));
                    invalidate();
                }
            }
            if (onPageChangeListener != null) {
                onPageChangeListener.onPageScrolled(nextPagePosition, positionOffset, positionOffsetPixels);
            }
        }

        @Override
        public void onPageScrollStateChanged(int arg0) {
            if (onPageChangeListener != null) {
                onPageChangeListener.onPageScrollStateChanged(arg0);
            }
        }
    });
    requestLayout();
}

From source file:com.aibasis.parent.widget.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (disableViewPager)
        return;// w w w . j a  v  a  2s  . c o  m
    /* ? */
    ViewGroup tabsLayout = getTabsLayout();
    if (tabsLayout != null && tabsLayout.getChildCount() > 0 && slidingBlockDrawable != null) {
        View currentTab = tabsLayout.getChildAt(currentPosition);
        if (currentTab != null) {
            float slidingBlockLeft = currentTab.getLeft();
            float slidingBlockRight = currentTab.getRight();
            if (currentPositionOffset > 0f && currentPosition < tabsLayout.getChildCount() - 1) {
                View nextTab = tabsLayout.getChildAt(currentPosition + 1);
                if (nextTab != null) {
                    final float nextTabLeft = nextTab.getLeft();
                    final float nextTabRight = nextTab.getRight();
                    slidingBlockLeft = (currentPositionOffset * nextTabLeft
                            + (1f - currentPositionOffset) * slidingBlockLeft);
                    slidingBlockRight = (currentPositionOffset * nextTabRight
                            + (1f - currentPositionOffset) * slidingBlockRight);
                }
            }
            slidingBlockDrawable.setBounds((int) slidingBlockLeft, 0, (int) slidingBlockRight, getHeight());
            slidingBlockDrawable.draw(canvas);
        }
    }
}

From source file:com.ststudy.client.android.ui.pagerslidingtabstrip.PagerSlidingTabStrip.java

/**
 * ViewPager/*from   w w  w .  ja  va 2 s.c om*/
 *
 * @param viewPager ViewPager
 */
public void setViewPager(ViewPager viewPager) {
    if (disableViewPager)
        return;
    this.viewPager = viewPager;
    this.viewPager.addOnPageChangeListener(new OnPageChangeListener() {
        @Override
        public void onPageSelected(int position) {
            selectedTab(position);
            if (onPageChangeListener != null) {
                onPageChangeListener.onPageSelected(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() + getLeftMargin(view) + getRightMargin(view))));
                    invalidate();
                }
            }
            if (onPageChangeListener != null) {
                onPageChangeListener.onPageScrolled(nextPagePosition, positionOffset, positionOffsetPixels);
            }
        }

        @Override
        public void onPageScrollStateChanged(int arg0) {
            if (onPageChangeListener != null) {
                onPageChangeListener.onPageScrollStateChanged(arg0);
            }
        }
    });
    requestLayout();
}

From source file:com.cp.mylibrary.custom.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (disableViewPager)
        return;//from ww w. j a va  2s  . co  m
    /* ? */
    ViewGroup tabsLayout = getTabsLayout();
    if (tabsLayout != null && tabsLayout.getChildCount() > 0 && slidingBlockDrawable != null) {
        View currentTab = tabsLayout.getChildAt(currentPosition);
        if (currentTab != null) {
            float slidingBlockLeft = currentTab.getLeft();
            float slidingBlockRight = currentTab.getRight();
            if (currentPositionOffset > 0f && currentPosition < tabsLayout.getChildCount() - 1) {
                View nextTab = tabsLayout.getChildAt(currentPosition + 1);
                if (nextTab != null) {
                    final float nextTabLeft = nextTab.getLeft();
                    final float nextTabRight = nextTab.getRight();
                    slidingBlockLeft = (currentPositionOffset * nextTabLeft
                            + (1f - currentPositionOffset) * slidingBlockLeft);
                    slidingBlockRight = (currentPositionOffset * nextTabRight
                            + (1f - currentPositionOffset) * slidingBlockRight);
                }
            }

            slidingBlockDrawable.setBounds((int) slidingBlockLeft, 0, (int) slidingBlockRight, getHeight());
            slidingBlockDrawable.draw(canvas);
        }
    }
}

From source file:com.xnf.henghenghui.ui.view.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    //      if (disableViewPager)
    //         return;
    /* ? *//*ww  w.  j a  va2s  .c o m*/
    ViewGroup tabsLayout = getTabsLayout();
    if (tabsLayout != null && tabsLayout.getChildCount() > 0 && slidingBlockDrawable != null) {
        View currentTab = tabsLayout.getChildAt(currentPosition);
        if (currentTab != null) {
            float slidingBlockLeft = currentTab.getLeft();
            float slidingBlockRight = currentTab.getRight();
            if (currentPositionOffset > 0f && currentPosition < tabsLayout.getChildCount() - 1) {
                View nextTab = tabsLayout.getChildAt(currentPosition + 1);
                if (nextTab != null) {
                    final float nextTabLeft = nextTab.getLeft();
                    final float nextTabRight = nextTab.getRight();
                    slidingBlockLeft = (currentPositionOffset * nextTabLeft
                            + (1f - currentPositionOffset) * slidingBlockLeft);
                    slidingBlockRight = (currentPositionOffset * nextTabRight
                            + (1f - currentPositionOffset) * slidingBlockRight);
                }
            }
            slidingBlockDrawable.setBounds((int) slidingBlockLeft, 0, (int) slidingBlockRight, getHeight());
            slidingBlockDrawable.draw(canvas);
        }
    }
}

From source file:com.cicada.startup.common.ui.view.indicator.ViewPagerIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (disableViewPager)
        return;// w w  w  .  j  av a 2s. c  o m
    /* ? */
    ViewGroup tabsLayout = getTabsLayout();
    if (tabsLayout != null && tabsLayout.getChildCount() > 0 && slidingBlockDrawable != null) {
        View currentTab = tabsLayout.getChildAt(currentPosition);
        if (currentTab != null) {
            float slidingBlockLeft = getTabTextLeft((ViewGroup) currentTab);
            float slidingBlockRight = getTabTextRight((ViewGroup) currentTab);
            if (currentPositionOffset > 0f && currentPosition < tabsLayout.getChildCount() - 1) {
                View nextTab = tabsLayout.getChildAt(currentPosition + 1);
                if (nextTab != null) {
                    final float nextTabLeft = getTabTextLeft((ViewGroup) nextTab);
                    final float nextTabRight = getTabTextRight((ViewGroup) nextTab);
                    slidingBlockLeft = (currentPositionOffset * nextTabLeft
                            + (1f - currentPositionOffset) * slidingBlockLeft);
                    slidingBlockRight = (currentPositionOffset * nextTabRight
                            + (1f - currentPositionOffset) * slidingBlockRight);
                }
            }
            slidingBlockDrawable.setBounds((int) slidingBlockLeft, getHeight() - slidingBlockHeight,
                    (int) slidingBlockRight, getHeight());
            slidingBlockDrawable.draw(canvas);
        }
    }
}

From source file:com.glanznig.beepme.view.ExportActivity.java

private void enableDisableView(View view, boolean enabled) {
    view.setEnabled(enabled);//from   w  w w. j  a  v  a  2 s. c  o m

    if (view instanceof ViewGroup) {
        ViewGroup group = (ViewGroup) view;

        for (int i = 0; i < group.getChildCount(); i++) {
            enableDisableView(group.getChildAt(i), enabled);
        }
    }
}

From source file:com.m1racle.yuedong.ui.widget.PagerSlidingTabStrip.java

/**
 * ViewPager//  w  ww.j a va  2 s . c o m
 * 
 * @param viewPager
 *            ViewPager
 */
public void setViewPager(ViewPager viewPager) {
    if (disableViewPager)
        return;
    this.viewPager = viewPager;
    this.viewPager.addOnPageChangeListener(new 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();
}

From source file:com.app.jdy.activity.GoldActivity.java

/**
 * ?/*  w  w w  .j av a2  s . c o m*/
 * 
 * @param viewGroup
 * @param flag
 * @return
 */
public View findViewByType(ViewGroup viewGroup, int flag) {
    for (int i = 0; i < viewGroup.getChildCount(); i++) {
        View view = viewGroup.getChildAt(i);
        if (view instanceof TextView && flag == 1) {
            return view;
        } else if (view instanceof ImageView && flag == 2) {
            return view;
        } else if (view instanceof ViewGroup) {
            view = findViewByType((ViewGroup) view, flag);
            if (view != null) {
                return view;
            }
        }
    }
    return null;
}

From source file:com.aibasis.parent.widget.PagerSlidingTabStrip.java

/**
 * ViewPager//from   w  w  w  .  j  av  a 2  s. co  m
 * 
 * @param viewPager
 *            ViewPager
 */
public void setViewPager(ViewPager viewPager) {
    if (disableViewPager)
        return;
    this.viewPager = viewPager;
    this.viewPager.setOnPageChangeListener(new 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();
}