protected override void OnMeasure(int widthMeasureSpec, int heightMeasureSpec)
{
Logr.D("Grid.OnMeasure w={0} h={1}", MeasureSpec.ToString(widthMeasureSpec),
MeasureSpec.ToString(heightMeasureSpec));
int widthMeasureSize = MeasureSpec.GetSize(widthMeasureSpec);
int heightMeasureSize = MeasureSpec.GetSize(heightMeasureSpec);
if (_oldWidthMeasureSize == widthMeasureSize && _oldHeightMeasureSize == heightMeasureSize)
{
Logr.D("SKIP Grid.OnMeasure");
SetMeasuredDimension(MeasuredWidth, MeasuredHeight);
return;
}
var stopwatch = Stopwatch.StartNew();
_oldWidthMeasureSize = widthMeasureSize;
_oldHeightMeasureSize = heightMeasureSize;
int visibleChildCount = 0;
for (int c = 0; c < ChildCount; c++)
{
var child = GetChildAt(c);
if (child.Visibility == ViewStates.Visible)
{
visibleChildCount++;
}
}
int cellSize = Math.Min((widthMeasureSize - sidePadding * 2) / 7, heightMeasureSize / visibleChildCount);
//int cellSize = widthMeasureSize / 7;
//Remove any extra pixels since /7 us unlikey to give whole nums.
widthMeasureSize = cellSize * 7 + sidePadding * 2;
int totalHeight = 0;
int rowWidthSpec = MeasureSpec.MakeMeasureSpec(widthMeasureSize - 2 * sidePadding, MeasureSpecMode.Exactly);
int rowHeightSpec = MeasureSpec.MakeMeasureSpec(cellSize, MeasureSpecMode.Exactly);
for (int c = 0; c < ChildCount; c++)
{
var child = GetChildAt(c);
if (child.Visibility == ViewStates.Visible)
{
MeasureChild(child, rowWidthSpec,
c == 0 ? MeasureSpec.MakeMeasureSpec(cellSize, MeasureSpecMode.AtMost) : rowHeightSpec);
totalHeight += child.MeasuredHeight;
}
}
int measuredWidth = widthMeasureSize; // Fudge factor to make the borders show up right.
int measuredHeight = heightMeasureSize + 2;
SetMeasuredDimension(measuredWidth, totalHeight);
stopwatch.Stop();
Logr.D("Grid.OnMeasure {0} ms", stopwatch.ElapsedMilliseconds);
}
protected override void OnMeasure(int widthMeasureSpec, int heightMeasureSpec)
{
if (Months.Count == 0)
{
throw new InvalidOperationException(
"Must have at least one month to display. Did you forget to call Init()?");
}
Logr.D("PickerView.OnMeasure w={0} h={1}", MeasureSpec.ToString(widthMeasureSpec),
MeasureSpec.ToString(heightMeasureSpec));
base.OnMeasure(widthMeasureSpec, heightMeasureSpec);
}
protected override void OnMeasure(int widthMeasureSpec, int heightMeasureSpec)
{
Logr.D("Grid.OnMeasure w={0} h={1}", MeasureSpec.ToString(widthMeasureSpec),
MeasureSpec.ToString(heightMeasureSpec));
int widthMeasureSize = MeasureSpec.GetSize(widthMeasureSpec);
if (_oldWidthMeasureSize == widthMeasureSize)
{
Logr.D("SKIP Grid.OnMeasure");
SetMeasuredDimension(MeasuredWidth, MeasuredHeight);
return;
}
var stopwatch = Stopwatch.StartNew();
_oldWidthMeasureSize = widthMeasureSize;
int cellSize = widthMeasureSize / 7;
//Remove any extra pixels since /7 us unlikey to give whole nums.
widthMeasureSize = cellSize * 7;
int heightSize = (int)Math.Round(40 * (Context.Resources.DisplayMetrics.Ydpi / (int)DisplayMetricsDensity.Default));
int totalHeight = 0;
int rowWidthSpec = MeasureSpec.MakeMeasureSpec(widthMeasureSize, MeasureSpecMode.Exactly);
int rowHeightSpec = MeasureSpec.MakeMeasureSpec(heightSize, MeasureSpecMode.Exactly);
for (int c = 0; c < ChildCount; c++)
{
var child = GetChildAt(c);
if (child.Visibility == ViewStates.Visible)
{
MeasureChild(child, rowWidthSpec,
c == 0 ? MeasureSpec.MakeMeasureSpec(heightSize, MeasureSpecMode.AtMost) : rowHeightSpec);
totalHeight += child.MeasuredHeight;
}
}
int measuredWidth = widthMeasureSize + 2; // Fudge factor to make the borders show up right.
SetMeasuredDimension(measuredWidth, totalHeight);
stopwatch.Stop();
Logr.D("Grid.OnMeasure {0} ms", stopwatch.ElapsedMilliseconds);
}
/// <summary>
/// Called when [measure].
/// </summary>
/// <param name="widthMeasureSpec">horizontal space requirements as imposed by the parent.
/// The requirements are encoded with
/// <c><see cref="T:Android.Views.View+MeasureSpec" /></c>.</param>
/// <param name="heightMeasureSpec">vertical space requirements as imposed by the parent.
/// The requirements are encoded with
/// <c><see cref="T:Android.Views.View+MeasureSpec" /></c>.</param>
/// <since version="Added in API level 1" />
/// <altmember cref="P:Android.Views.View.MeasuredWidth" />
/// <altmember cref="P:Android.Views.View.MeasuredHeight" />
/// <altmember cref="M:Android.Views.View.SetMeasuredDimension(System.Int32, System.Int32)" />
/// <altmember cref="M:Android.Views.View.get_SuggestedMinimumHeight" />
/// <altmember cref="M:Android.Views.View.get_SuggestedMinimumWidth" />
/// <altmember cref="M:Android.Views.View.MeasureSpec.GetMode(System.Int32)" />
/// <altmember cref="M:Android.Views.View.MeasureSpec.GetSize(System.Int32)" />
/// <remarks><para tool="javadoc-to-mdoc" />
/// <para tool="javadoc-to-mdoc">
/// Measure the view and its content to determine the measured width and the
/// measured height. This method is invoked by <c><see cref="M:Android.Views.View.Measure(System.Int32, System.Int32)" /></c> and
/// should be overriden by subclasses to provide accurate and efficient
/// measurement of their contents.
/// </para>
/// <para tool="javadoc-to-mdoc">
/// <i>CONTRACT:</i> When overriding this method, you
/// <i>must</i> call <c><see cref="M:Android.Views.View.SetMeasuredDimension(System.Int32, System.Int32)" /></c> to store the
/// measured width and height of this view. Failure to do so will trigger an
/// <c>IllegalStateException</c>, thrown by
/// <c><see cref="M:Android.Views.View.Measure(System.Int32, System.Int32)" /></c>. Calling the superclass'
/// <c><see cref="M:Android.Views.View.OnMeasure(System.Int32, System.Int32)" /></c> is a valid use.
/// </para>
/// <para tool="javadoc-to-mdoc">
/// The base class implementation of measure defaults to the background size,
/// unless a larger size is allowed by the MeasureSpec. Subclasses should
/// override <c><see cref="M:Android.Views.View.OnMeasure(System.Int32, System.Int32)" /></c> to provide better measurements of
/// their content.
/// </para>
/// <para tool="javadoc-to-mdoc">
/// If this method is overridden, it is the subclass's responsibility to make
/// sure the measured height and width are at least the view's minimum height
/// and width (<c><see cref="M:Android.Views.View.get_SuggestedMinimumHeight" /></c> and
/// <c><see cref="M:Android.Views.View.get_SuggestedMinimumWidth" /></c>).
/// </para>
/// <para tool="javadoc-to-mdoc">
/// <format type="text/html">
/// <a href="http://developer.android.com/reference/android/view/View.html#onMeasure(int, int)" target="_blank">[Android Documentation]</a>
/// </format>
/// </para></remarks>
protected override void OnMeasure(int widthMeasureSpec, int heightMeasureSpec)
{
Logr.D("Month.OnMeasure w={0} h={1}", MeasureSpec.ToString(widthMeasureSpec),
MeasureSpec.ToString(heightMeasureSpec));
base.OnMeasure(widthMeasureSpec, heightMeasureSpec);
}