Merge "Force uniform width for MATCH_PARENT in AlertDialogLayout" into nyc-dev

package com.android.internal.widget;

import android.annotation.AttrRes;

import android.annotation.NonNull;

import android.annotation.Nullable;

import android.annotation.StyleRes;

import android.content.Context;

        final int heightMode = MeasureSpec.getMode(heightMeasureSpec);

        final int heightSize = MeasureSpec.getSize(heightMeasureSpec);

        // Treat all panel widths as MATCH_PARENT

        // by translating AT_MOST to EXACTLY.

        final int widthMode = MeasureSpec.getMode(widthMeasureSpec);

        if (widthMode == MeasureSpec.AT_MOST) {

            final int widthSize = MeasureSpec.getSize(widthMeasureSpec);

            widthMeasureSpec = MeasureSpec.makeMeasureSpec(widthSize, MeasureSpec.EXACTLY);

        }

        int childState = 0;

        int usedHeight = getPaddingTop() + getPaddingBottom();

                maxWidth = Math.max(maxWidth, child.getMeasuredWidth());

            }

        }

        maxWidth += getPaddingLeft() + getPaddingRight();

        final int widthSizeAndState = resolveSizeAndState(maxWidth, widthMeasureSpec, childState);

        final int heightSizeAndState = resolveSizeAndState(usedHeight, heightMeasureSpec, 0);

        setMeasuredDimension(widthSizeAndState, heightSizeAndState);

        // If the children weren't already measured EXACTLY, we need to run

        // another measure pass to for MATCH_PARENT widths.

        if (widthMode != MeasureSpec.EXACTLY) {

            forceUniformWidth(count, heightMeasureSpec);

        }

        return true;

    }

    /**

     * Remeasures child views to exactly match the layout's measured width.

     *

     * @param count the number of child views

     * @param heightMeasureSpec the original height measure spec

     */

    private void forceUniformWidth(int count, int heightMeasureSpec) {

        // Pretend that the linear layout has an exact size.

        final int uniformMeasureSpec = MeasureSpec.makeMeasureSpec(

                getMeasuredWidth(), MeasureSpec.EXACTLY);

        for (int i = 0; i < count; i++) {

            final View child = getChildAt(i);

            if (child.getVisibility() != GONE) {

                final LayoutParams lp = (LayoutParams) child.getLayoutParams();

                if (lp.width == LayoutParams.MATCH_PARENT) {

                    // Temporarily force children to reuse their old measured

                    // height.

                    final int oldHeight = lp.height;

                    lp.height = child.getMeasuredHeight();

                    // Remeasure with new dimensions.

                    measureChildWithMargins(child, uniformMeasureSpec, 0, heightMeasureSpec, 0);

                    lp.height = oldHeight;

                }

            }

        }

    }

    /**

     * Attempts to resolve the minimum height of a view.

     * <p>