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:com.yunyou.yike.utils.StatusBarCompat.java

public static View compat(Activity activity, int statusColor) {
    int color = ContextCompat.getColor(activity, R.color.colorPrimaryDark);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        if (statusColor != INVALID_VAL) {
            color = statusColor;/* w ww. j a va 2 s  . com*/
        }
        activity.getWindow().setStatusBarColor(color);
        return null;
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
            && Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
        ViewGroup contentView = (ViewGroup) activity.findViewById(android.R.id.content);
        if (statusColor != INVALID_VAL) {
            color = statusColor;
        }
        View statusBarView = contentView.getChildAt(0);
        if (statusBarView != null && statusBarView.getMeasuredHeight() == getStatusBarHeight(activity)) {
            statusBarView.setBackgroundColor(color);
            return statusBarView;
        }
        statusBarView = new View(activity);
        ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                getStatusBarHeight(activity));
        statusBarView.setBackgroundColor(color);
        contentView.addView(statusBarView, lp);
        return statusBarView;
    }
    return null;

}

From source file:com.bs.hjsyxt.utils.StatusBarCompat.java

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static View compat(Activity activity, int statusColor) {
    int color = ContextCompat.getColor(activity, R.color.colorPrimaryDark);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        if (statusColor != INVALID_VAL) {
            color = statusColor;//from  w  ww  .j  a va2s .c o m
        }
        activity.getWindow().setStatusBarColor(color);
        return null;
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
            && Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
        ViewGroup contentView = (ViewGroup) activity.findViewById(android.R.id.content);
        if (statusColor != INVALID_VAL) {
            color = statusColor;
        }
        View statusBarView = contentView.getChildAt(0);
        if (statusBarView != null && statusBarView.getMeasuredHeight() == getStatusBarHeight(activity)) {
            statusBarView.setBackgroundColor(color);
            return statusBarView;
        }
        statusBarView = new View(activity);
        ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                getStatusBarHeight(activity));
        statusBarView.setBackgroundColor(color);
        contentView.addView(statusBarView, lp);
        return statusBarView;
    }
    return null;

}

From source file:com.yoyiyi.bookreadercopy.utils.StatusBarCompat.java

@TargetApi(Build.VERSION_CODES.LOLLIPOP) //21
public static View compat(Activity activity, int statusColor) {
    int color = ContextCompat.getColor(activity, R.color.colorPrimaryDark);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        if (statusColor != INVALID_VAL) {
            color = statusColor;/*from w w  w  . j av a2  s .c o  m*/
        }
        activity.getWindow().setStatusBarColor(color);
        return null;
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
            && Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
        ViewGroup contentView = (ViewGroup) activity.findViewById(android.R.id.content);
        if (statusColor != INVALID_VAL) {
            color = statusColor;
        }
        View statusBarView = contentView.getChildAt(0);
        if (statusBarView != null && statusBarView.getMeasuredHeight() == getStatusBarHeight(activity)) {
            statusBarView.setBackgroundColor(color);
            return statusBarView;
        }
        statusBarView = new View(activity);
        ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                getStatusBarHeight(activity));
        statusBarView.setBackgroundColor(color);
        contentView.addView(statusBarView, lp);
        return statusBarView;
    }
    return null;

}

From source file:Main.java

/**
 * Sets a determined font on a text view element
 *
 * @param context Context in which the TextView can be found
 * @param font    Font to be set in the text view see available fonts as static attributes of this class
 * @param style   {@see Typeface}/*from  ww w  . j a  v  a2 s.  co  m*/
 * @param group   Root layout in which TextView and Buttons will be searched to apply the font
 */
public static void setTypeface(Context context, String font, int style, ViewGroup group) {
    Typeface tf = Typeface.createFromAsset(context.getAssets(), font);
    int count = group.getChildCount();
    View v;
    for (int i = 0; i < count; i++) {
        v = group.getChildAt(i);
        if (v instanceof TextView)
            ((TextView) v).setTypeface(tf, style);
        else if (v instanceof ViewGroup)
            setTypeface(context, font, style, (ViewGroup) v);
    }
}

From source file:Main.java

/**
 * Sets a determined font on a text view element
 *
 * @param context Context in which the TextView can be found
 * @param font    Font to be set in the text view see available fonts as static attributes of this class
 * @param group   Root layout in which TextView and Buttons will be searched to apply the font
 *//*from  ww  w  . j  ava 2s  . c o  m*/
public static void setTypeface(Context context, String font, ViewGroup group) {
    Typeface tf = Typeface.createFromAsset(context.getAssets(), font);
    int count = group.getChildCount();
    View v;
    for (int i = 0; i < count; i++) {
        v = group.getChildAt(i);
        if (v instanceof TextView)
            ((TextView) v).setTypeface(tf);
        else if (v instanceof ViewGroup)
            setTypeface(context, font, (ViewGroup) v);
    }
}

From source file:Main.java

public static void traverseAndRecolor(View root, int color, boolean withStates,
        boolean setClickableItemBackgrounds) {
    Context context = root.getContext();

    if (setClickableItemBackgrounds && root.isClickable()) {
        StateListDrawable selectableItemBackground = new StateListDrawable();
        selectableItemBackground.addState(new int[] { android.R.attr.state_pressed },
                new ColorDrawable((color & 0xffffff) | 0x33000000));
        selectableItemBackground.addState(new int[] { android.R.attr.state_focused },
                new ColorDrawable((color & 0xffffff) | 0x44000000));
        selectableItemBackground.addState(new int[] {}, null);
        root.setBackground(selectableItemBackground);
    }/*w  w  w .  jav a2s . com*/

    if (root instanceof ViewGroup) {
        ViewGroup parent = (ViewGroup) root;
        for (int i = 0; i < parent.getChildCount(); i++) {
            traverseAndRecolor(parent.getChildAt(i), color, withStates, setClickableItemBackgrounds);
        }

    } else if (root instanceof ImageView) {
        ImageView imageView = (ImageView) root;
        Drawable sourceDrawable = imageView.getDrawable();
        if (withStates && sourceDrawable != null && sourceDrawable instanceof BitmapDrawable) {
            imageView.setImageDrawable(
                    makeRecoloredDrawable(context, (BitmapDrawable) sourceDrawable, color, true));
        } else {
            imageView.setColorFilter(color, PorterDuff.Mode.MULTIPLY);
        }

    } else if (root instanceof TextView) {
        TextView textView = (TextView) root;
        if (withStates) {
            int sourceColor = textView.getCurrentTextColor();
            ColorStateList colorStateList = new ColorStateList(
                    new int[][] { new int[] { android.R.attr.state_pressed },
                            new int[] { android.R.attr.state_focused }, new int[] {} },
                    new int[] { sourceColor, sourceColor, color });
            textView.setTextColor(colorStateList);
        } else {
            textView.setTextColor(color);
        }

    } else if (root instanceof AnalogClock) {
        AnalogClock analogClock = (AnalogClock) root;
        try {
            Field hourHandField = AnalogClock.class.getDeclaredField("mHourHand");
            hourHandField.setAccessible(true);
            Field minuteHandField = AnalogClock.class.getDeclaredField("mMinuteHand");
            minuteHandField.setAccessible(true);
            Field dialField = AnalogClock.class.getDeclaredField("mDial");
            dialField.setAccessible(true);
            BitmapDrawable hourHand = (BitmapDrawable) hourHandField.get(analogClock);
            if (hourHand != null) {
                Drawable d = makeRecoloredDrawable(context, hourHand, color, withStates);
                d.setCallback(analogClock);
                hourHandField.set(analogClock, d);
            }
            BitmapDrawable minuteHand = (BitmapDrawable) minuteHandField.get(analogClock);
            if (minuteHand != null) {
                Drawable d = makeRecoloredDrawable(context, minuteHand, color, withStates);
                d.setCallback(analogClock);
                minuteHandField.set(analogClock, d);
            }
            BitmapDrawable dial = (BitmapDrawable) dialField.get(analogClock);
            if (dial != null) {
                Drawable d = makeRecoloredDrawable(context, dial, color, withStates);
                d.setCallback(analogClock);
                dialField.set(analogClock, d);
            }
        } catch (NoSuchFieldException ignored) {
        } catch (IllegalAccessException ignored) {
        } catch (ClassCastException ignored) {
        } // TODO: catch all exceptions?
    }
}

From source file:com.dm.material.dashboard.candybar.helpers.ViewHelper.java

public static void changeSearchViewTextColor(@Nullable View view, int text, int hint) {
    if (view != null) {
        if (view instanceof TextView) {
            ((TextView) view).setTextColor(text);
            ((TextView) view).setHintTextColor(hint);
        } else if (view instanceof ViewGroup) {
            ViewGroup viewGroup = (ViewGroup) view;
            for (int i = 0; i < viewGroup.getChildCount(); i++) {
                changeSearchViewTextColor(viewGroup.getChildAt(i), text, hint);
            }/*from w w  w  .j a  va 2 s .c  om*/
        }
    }
}

From source file:Main.java

/**
 * Determines if the supplied {@link View} and {@link AccessibilityNodeInfoCompat} has any
 * children which are not independently accessibility focusable and also have a spoken
 * description./*from   w ww  .j a  v  a 2  s  .  com*/
 * <p>
 * NOTE: Accessibility services will include these children's descriptions in the closest
 * focusable ancestor.
 *
 * @param view The {@link View} to evaluate
 * @param node The {@link AccessibilityNodeInfoCompat} to evaluate
 * @return {@code true} if it has any non-actionable speaking descendants within its subtree
 */
public static boolean hasNonActionableSpeakingDescendants(@Nullable AccessibilityNodeInfoCompat node,
        @Nullable View view) {

    if (node == null || view == null || !(view instanceof ViewGroup)) {
        return false;
    }

    ViewGroup viewGroup = (ViewGroup) view;
    for (int i = 0, count = viewGroup.getChildCount(); i < count; i++) {
        View childView = viewGroup.getChildAt(i);

        if (childView == null) {
            continue;
        }

        AccessibilityNodeInfoCompat childNode = AccessibilityNodeInfoCompat.obtain();
        try {
            ViewCompat.onInitializeAccessibilityNodeInfo(childView, childNode);

            if (isAccessibilityFocusable(childNode, childView)) {
                continue;
            }

            if (isSpeakingNode(childNode, childView)) {
                return true;
            }
        } finally {
            childNode.recycle();
        }
    }

    return false;
}

From source file:com.ranger.xyg.library.tkrefreshlayout.utils.ScrollingUtil.java

public static boolean isViewGroupToBottom(ViewGroup viewGroup) {
    View subChildView = viewGroup.getChildAt(0);
    return (subChildView != null
            && subChildView.getMeasuredHeight() <= viewGroup.getScrollY() + viewGroup.getHeight());
}

From source file:com.github.michalbednarski.intentslab.editor.ComponentPickerDialogFragment.java

private static void setTextViewsEnabled(View v, boolean enabled) {
    if (v instanceof TextView) {
        v.setEnabled(enabled);/*from   w  w w. j  a  v a  2  s.  co m*/
    }

    if (v instanceof ViewGroup) {
        final ViewGroup vg = (ViewGroup) v;
        for (int i = vg.getChildCount() - 1; i >= 0; i--) {
            setTextViewsEnabled(vg.getChildAt(i), enabled);
        }
    }
}