Example usage for android.view ViewGroup getChildAt

List of usage examples for android.view ViewGroup getChildAt

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  4. android.view.*
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  6. 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:com.cairoconfessions.MainActivity.java

public void addLocation(View view) {
    TextView newView = new TextView(this);
    AutoCompleteTextView addLoc = ((AutoCompleteTextView) findViewById(R.id.addLocation));
    String newLoc = addLoc.getText().toString();
    ViewGroup locList = ((ViewGroup) findViewById(R.id.locations));
    boolean notFound = true;
    for (int i = 0; i < locList.getChildCount(); i++) {
        if (newLoc.equals(((TextView) locList.getChildAt(i)).getText().toString()))
            notFound = false;//from www.ja  v  a2s  .co  m
        break;
    }
    if (Arrays.asList(COUNTRIES).contains(newLoc) && notFound) {
        newView.setText(newLoc);
        newView.setClickable(true);
        newView.setOnClickListener(new View.OnClickListener() {
            public void onClick(View view) {
                addItem(view);
            }
        });
        float scale = getResources().getDisplayMetrics().density;
        newView.setGravity(17);
        newView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 30);

        newView.setBackgroundResource(R.drawable.city2);

        LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT,
                (int) (150 * scale));
        lp.setMargins((int) (0 * scale), (int) (0 * scale), (int) (0 * scale), (int) (2 * scale));
        newView.setLayoutParams(lp);
        locList.addView(newView, 0);
        addLoc.setText("");
        InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.hideSoftInputFromWindow(addLoc.getWindowToken(), 0);
        addLoc.setCursorVisible(false);

    } else {
        Toast.makeText(this, "Invalid location", Toast.LENGTH_LONG).show();
    }
}

From source file:com.google.samples.apps.iosched.ui.widget.CollectionView.java

private View createGroupView(RowComputeResult rowInfo, View view, ViewGroup parent) {
    ViewGroup groupView;
    if (view != null && view instanceof ViewGroup) {
        groupView = (ViewGroup) view;// w  ww . j av  a  2 s  .com
        // If there are more children in the recycled view we remove the extra ones.
        if (groupView.getChildAt(0) instanceof LinearLayout) {
            LinearLayout groupViewContent = (LinearLayout) groupView.getChildAt(0);
            if (groupViewContent.getChildCount() > rowInfo.group.getRowCount()) {
                groupViewContent.removeViews(rowInfo.group.getRowCount(),
                        groupViewContent.getChildCount() - rowInfo.group.getRowCount());
            }
        }
        // Use the defined callbacks if the user has chosen to by implementing a
        // CardsCollectionViewCallbacks.
    } else if (mCallbacks instanceof CollectionViewCallbacks.GroupCollectionViewCallbacks) {
        groupView = ((CollectionViewCallbacks.GroupCollectionViewCallbacks) mCallbacks)
                .newCollectionGroupView(getContext(), rowInfo.groupId, rowInfo.group, parent);
        // This should never happened but if it does we'll display an EmptyView.
    } else {
        LOGE(TAG, "Tried to create a group view but the callback is not an instance of "
                + "GroupCollectionViewCallbacks");
        return new EmptyView(getContext());
    }
    LinearLayout groupViewContent;
    if (groupView.getChildAt(0) instanceof LinearLayout) {
        groupViewContent = (LinearLayout) groupView.getChildAt(0);
    } else {
        groupViewContent = new LinearLayout(getContext());
        groupViewContent.setOrientation(LinearLayout.VERTICAL);
        LayoutParams LLParams = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
        groupViewContent.setLayoutParams(LLParams);
        groupView.addView(groupViewContent);
    }
    disableCustomGroupView();
    for (int i = 0; i < rowInfo.group.getRowCount(); i++) {
        View itemView;
        try {
            itemView = getRowView(rowInfo.groupOffset + i, groupViewContent.getChildAt(i), groupViewContent);
        } catch (Exception e) {
            // Recycling failed (maybe the items were not compatible) so we start again without
            // recycling.
            itemView = getRowView(rowInfo.groupOffset + i, null, groupViewContent);
        }
        if (itemView != groupViewContent.getChildAt(i)) {
            if (groupViewContent.getChildCount() > i) {
                groupViewContent.removeViewAt(i);
            }
            groupViewContent.addView(itemView, i);
        }
    }
    enableCustomGroupView();
    return groupView;
}

From source file:com.razza.apps.iosched.ui.widget.CollectionView.java

private View createGroupView(RowComputeResult rowInfo, View view, ViewGroup parent) {
    ViewGroup groupView;
    if (view != null && view instanceof ViewGroup) {
        groupView = (ViewGroup) view;/*  w  w  w .ja  va 2  s . co  m*/
        // If there are more children in the recycled view we remove the extra ones.
        if (groupView.getChildAt(0) instanceof LinearLayout) {
            LinearLayout groupViewContent = (LinearLayout) groupView.getChildAt(0);
            if (groupViewContent.getChildCount() > rowInfo.group.getRowCount()) {
                groupViewContent.removeViews(rowInfo.group.getRowCount(),
                        groupViewContent.getChildCount() - rowInfo.group.getRowCount());
            }
        }
        // Use the defined callbacks if the user has chosen to by implementing a
        // CardsCollectionViewCallbacks.
    } else if (mCallbacks instanceof CollectionViewCallbacks.GroupCollectionViewCallbacks) {
        groupView = ((CollectionViewCallbacks.GroupCollectionViewCallbacks) mCallbacks)
                .newCollectionGroupView(getContext(), rowInfo.groupId, rowInfo.group, parent);
        // This should never happened but if it does we'll display an EmptyView.
    } else {
        LogUtils.LOGE(TAG, "Tried to create a group view but the callback is not an instance of "
                + "GroupCollectionViewCallbacks");
        return new EmptyView(getContext());
    }
    LinearLayout groupViewContent;
    if (groupView.getChildAt(0) instanceof LinearLayout) {
        groupViewContent = (LinearLayout) groupView.getChildAt(0);
    } else {
        groupViewContent = new LinearLayout(getContext());
        groupViewContent.setOrientation(LinearLayout.VERTICAL);
        LayoutParams LLParams = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
        groupViewContent.setLayoutParams(LLParams);
        groupView.addView(groupViewContent);
    }
    disableCustomGroupView();
    for (int i = 0; i < rowInfo.group.getRowCount(); i++) {
        View itemView;
        try {
            itemView = getRowView(rowInfo.groupOffset + i, groupViewContent.getChildAt(i), groupViewContent);
        } catch (Exception e) {
            // Recycling failed (maybe the items were not compatible) so we start again without
            // recycling.
            itemView = getRowView(rowInfo.groupOffset + i, null, groupViewContent);
        }
        if (itemView != groupViewContent.getChildAt(i)) {
            if (groupViewContent.getChildCount() > i) {
                groupViewContent.removeViewAt(i);
            }
            groupViewContent.addView(itemView, i);
        }
    }
    enableCustomGroupView();
    return groupView;
}

From source file:gr.plushost.prototypeapp.widgets.LabelView.java

private boolean replaceLayout(View target) {
    if (getParent() != null || target == null || target.getParent() == null || _labelViewContainerID != -1) {
        return false;
    }/*from   ww  w .  ja  va 2s.  co m*/

    ViewGroup parentContainer = (ViewGroup) target.getParent();

    if (target.getParent() instanceof FrameLayout) {
        ((FrameLayout) target.getParent()).addView(this);
    } else if (target.getParent() instanceof ViewGroup) {

        int groupIndex = parentContainer.indexOfChild(target);
        _labelViewContainerID = generateViewId();

        // relativeLayout need copy rule
        if (target.getParent() instanceof RelativeLayout) {
            for (int i = 0; i < parentContainer.getChildCount(); i++) {
                if (i == groupIndex) {
                    continue;
                }
                View view = parentContainer.getChildAt(i);
                RelativeLayout.LayoutParams para = (RelativeLayout.LayoutParams) view.getLayoutParams();
                for (int j = 0; j < para.getRules().length; j++) {
                    if (para.getRules()[j] == target.getId()) {
                        para.getRules()[j] = _labelViewContainerID;
                    }
                }
                view.setLayoutParams(para);
            }
        }
        parentContainer.removeView(target);

        // new dummy layout
        FrameLayout labelViewContainer = new FrameLayout(getContext());
        ViewGroup.LayoutParams targetLayoutParam = target.getLayoutParams();
        labelViewContainer.setLayoutParams(targetLayoutParam);
        target.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                ViewGroup.LayoutParams.MATCH_PARENT));

        // add target and label in dummy layout
        labelViewContainer.addView(target);
        labelViewContainer.addView(this);
        labelViewContainer.setId(_labelViewContainerID);

        // add dummy layout in parent container
        parentContainer.addView(labelViewContainer, groupIndex, targetLayoutParam);
    }
    return true;
}

From source file:android.support.design.widget.BottomSheetBehavior.java

private View findScrollingChild(View view) {
    if (view instanceof NestedScrollingChild) {
        return view;
    }//w w  w .  j a  v  a  2s.  c  o  m
    if (view instanceof ViewGroup) {
        ViewGroup group = (ViewGroup) view;
        for (int i = 0, count = group.getChildCount(); i < count; i++) {
            View scrollingChild = findScrollingChild(group.getChildAt(i));
            if (scrollingChild != null) {
                return scrollingChild;
            }
        }
    }
    return null;
}

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

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);

    if (!allowWidthFull)
        return;//from   w  w w . j  a v a2  s  .c  om
    ViewGroup tabsLayout = getTabsLayout();
    if (tabsLayout == null || tabsLayout.getMeasuredWidth() >= getMeasuredWidth())
        return;
    if (tabsLayout.getChildCount() <= 0)
        return;

    if (tabViews == null) {
        tabViews = new ArrayList<View>();
    } else {
        tabViews.clear();
    }
    for (int w = 0; w < tabsLayout.getChildCount(); w++) {
        tabViews.add(tabsLayout.getChildAt(w));
    }

    adjustChildWidthWithParent(tabViews,
            getMeasuredWidth() - tabsLayout.getPaddingLeft() - tabsLayout.getPaddingRight(), widthMeasureSpec,
            heightMeasureSpec);

    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}

From source file:com.commonsware.cwac.crossport.design.widget.BottomSheetBehavior.java

@VisibleForTesting
View findScrollingChild(View view) {
    if (ViewCompat.isNestedScrollingEnabled(view)) {
        return view;
    }//ww w. j  av  a  2s  .c  o m
    if (view instanceof ViewGroup) {
        ViewGroup group = (ViewGroup) view;
        for (int i = 0, count = group.getChildCount(); i < count; i++) {
            View scrollingChild = findScrollingChild(group.getChildAt(i));
            if (scrollingChild != null) {
                return scrollingChild;
            }
        }
    }
    return null;
}

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

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    if (!allowWidthFull) {
        return;//  w  w w  .  j  a  va2  s  . co  m
    }
    setMeasuredDimension(getMeasuredWidth(), getMeasuredHeight() + slidingBlockHeight);
    ViewGroup tabsLayout = getTabsLayout();
    if (tabsLayout == null || tabsLayout.getMeasuredWidth() >= getMeasuredWidth())
        return;
    if (tabsLayout.getChildCount() <= 0)
        return;

    if (tabViews == null) {
        tabViews = new ArrayList<View>();
    } else {
        tabViews.clear();
    }
    for (int w = 0; w < tabsLayout.getChildCount(); w++) {
        tabViews.add(tabsLayout.getChildAt(w));
    }

    adjustChildWidthWithParent(tabViews,
            getMeasuredWidth() - tabsLayout.getPaddingLeft() - tabsLayout.getPaddingRight(), widthMeasureSpec,
            heightMeasureSpec);

    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}

From source file:com.mfh.litecashier.ui.widget.TopSlidingTabStrip.java

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);

    if (!allowWidthFull)
        return;//from  ww  w. j a  va  2  s  .  c  o  m
    ViewGroup tabsLayout = getTabsLayout();
    if (tabsLayout == null || tabsLayout.getMeasuredWidth() >= getMeasuredWidth())
        return;
    if (tabsLayout.getChildCount() <= 0)
        return;

    if (tabViews == null) {
        tabViews = new ArrayList<>();
    } else {
        tabViews.clear();
    }
    for (int w = 0; w < tabsLayout.getChildCount(); w++) {
        tabViews.add(tabsLayout.getChildAt(w));
    }

    adjustChildWidthWithParent(tabViews,
            getMeasuredWidth() - tabsLayout.getPaddingLeft() - tabsLayout.getPaddingRight(), widthMeasureSpec,
            heightMeasureSpec);

    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}

From source file:ch.uzh.supersede.feedbacklibrary.AnnotateImageActivity.java

private HashMap<Integer, String> processStickerAnnotations(ViewGroup viewGroup) {
    HashMap<Integer, String> allStickerAnnotations = new HashMap<>();
    if (viewGroup != null) {
        for (int i = 0; i < viewGroup.getChildCount(); ++i) {
            View child = viewGroup.getChildAt(i);
            if (child instanceof StickerAnnotationImageView) {
                StickerAnnotationImageView stickerAnnotationImageView = (StickerAnnotationImageView) child;

                int annotationImageResource = stickerAnnotationImageView.getImageResourceId();
                float getX = child.getX();
                float getY = child.getY();
                int width = child.getWidth();
                int height = child.getHeight();
                float rotation = child.getRotation();
                String value = annotationImageResource + Utils.SEPARATOR + getX + Utils.SEPARATOR + getY
                        + Utils.SEPARATOR + width + Utils.SEPARATOR + height + Utils.SEPARATOR + rotation;
                allStickerAnnotations.put(i, value);
            }/*from  ww w .j a va2 s  .  c  o  m*/
        }
    }

    return allStickerAnnotations;
}