/* private int measureHeight(int heightMeasureSpec) {
int count = getChildCount();
int rowCount = 1;
int left = 0;
int top = 0;
int right = left + getMeasuredWidth();
int childHeight = (count == 0) ? 0 : getChildAt(0).getMeasuredHeight();
int childWidth;
int totalWidth = left;
int totalHeight = top;
// 最后两个child是EditText和ImageButton
int editWidth = getChildAt(count - 2).getMeasuredWidth();
int buttonWidth = getChildAt(count - 1).getMeasuredWidth();
for (int i = 0; i < count - 2; i++) {
childWidth = getChildAt(i).getMeasuredWidth();
// 加上当前childView超出右边界换行。
if (totalWidth + childWidth > right) {
rowCount++;
totalWidth = left;
}
totalWidth += childWidth;
getChildAt(i).setLeft(totalWidth - childWidth);
getChildAt(i).setRight(totalWidth);
getChildAt(i).setTop(childHeight * (rowCount - 1));
getChildAt(i).setBottom(childHeight * rowCount);
}
// 加上最后两个childView超过右边界换行。
if (totalWidth + editWidth + buttonWidth > right) {
rowCount++;
totalWidth = left;
}
totalWidth += editWidth + buttonWidth;
// 倒数第2个childView:收件人编辑框EditText。
getChildAt(count - 2).setLeft(totalWidth - editWidth - buttonWidth);
getChildAt(count - 2).setRight(totalWidth - buttonWidth);
getChildAt(count - 2).setTop(childHeight * (rowCount - 1));
getChildAt(count - 2).setBottom(childHeight * rowCount);
// 倒数第1个childView:addContact按钮。
getChildAt(count - 1).setLeft(right - buttonWidth);
getChildAt(count - 1).setRight(right);
getChildAt(count - 1).setTop(childHeight * (rowCount - 1));
getChildAt(count - 1).setBottom(childHeight * rowCount);
totalHeight += childHeight * rowCount;
return totalHeight;
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
View v = null;
for (int i = 0; i < getChildCount(); i++) {
v = getChildAt(i);
v.layout(v.getLeft(), v.getTop(), v.getRight(), v.getBottom());
}
if(changed) {
layout(0, 0, getMeasuredWidth(), getMeasuredHeight());
}
}*/
private int measureHeight(int heightMeasureSpec) {
int count = getChildCount();
int rowCount = 1;
int left = 0;
int top = 0;
int right = left + getMeasuredWidth();
int childHeight = (count == 0) ? 0 : getChildAt(0).getMeasuredHeight();
int childWidth;
int totalWidth = left;
// 最后两个child是EditText和ImageButton
int editWidth = getChildAt(count - 2).getMeasuredWidth();
int buttonWidth = getChildAt(count - 1).getMeasuredWidth();
for (int i = 0; i < count - 2; i++) {
childWidth = getChildAt(i).getMeasuredWidth();
// 加上当前childView超出右边界换行。
if (totalWidth + childWidth > right) {
rowCount++;
totalWidth = left;
}
totalWidth += childWidth;
}
// 加上最后两个childView超过右边界换行。
if (totalWidth + editWidth + buttonWidth > right) {
rowCount++;
totalWidth = left;
}
totalWidth += editWidth + buttonWidth;
return top + childHeight * rowCount;
}
protected void onLayout(boolean changed, int l, int t, int r, int b) {
int count = getChildCount();
int rowCount = 1;
int left = 0;
int right = left + getMeasuredWidth();
int childHeight = (count == 0) ? 0 : getChildAt(0).getMeasuredHeight();
int childWidth;
int totalWidth = left;
int totalHeight = childHeight;
// 最后两个child是EditText和ImageButton
int editWidth = getChildAt(count - 2).getMeasuredWidth();
int editHeight = getChildAt(count - 2).getMeasuredHeight();
int buttonWidth = getChildAt(count - 1).getMeasuredWidth();
View view = null;
for (int i = 0; i < count - 2; i++) {
view = getChildAt(i);
childWidth = view.getMeasuredWidth();
// 加上当前childView超出右边界换行。
if (totalWidth + childWidth > right) {
rowCount++;
totalHeight += childHeight;
totalWidth = left;
}
totalWidth += childWidth;
view.layout(totalWidth - childWidth, childHeight * (rowCount - 1),
totalWidth, childHeight * rowCount);
}
// 加上最后两个childView超过右边界换行。
if (totalWidth + editWidth + buttonWidth > right) {
rowCount++;
totalHeight += childHeight;
totalWidth = left;
}
totalWidth += editWidth + buttonWidth;
view = getChildAt(count - 2);
view.layout(totalWidth - editWidth - buttonWidth,
totalHeight - childHeight + (childHeight - editHeight)/2,
totalWidth - buttonWidth, totalHeight);
view = getChildAt(count - 1);
view.layout(right - buttonWidth, totalHeight - childHeight,
right, totalHeight);
if(changed) {
layout(0, 0, getMeasuredWidth(), getMeasuredHeight());
}
}
public class RecipientEditor extends ViewGroup {
public RecipientEditor(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
for (int i = 0; i < getChildCount(); i++) {
getChildAt(i).measure(MeasureSpec.UNSPECIFIED,
MeasureSpec.UNSPECIFIED);
}
int measuredWidth = MeasureSpec.getSize(widthMeasureSpec);
setMeasuredDimension(measuredWidth, measureHeight(heightMeasureSpec));
}