/**
* Calculates control width and creates text layouts
*
* @param widthSize the input layout width
* @param mode the layout mode
* @return the calculated control width
*/
private int calculateLayoutWidth(int widthSize, int mode) {
initResourcesIfNecessary();
// TODO: make it static
itemsLayout.setLayoutParams(
new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
itemsLayout.measure(
MeasureSpec.makeMeasureSpec(widthSize, MeasureSpec.UNSPECIFIED),
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
int width = itemsLayout.getMeasuredWidth();
if (mode == MeasureSpec.EXACTLY) {
width = widthSize;
} else {
width += 2 * PADDING;
// Check against our minimum width
width = Math.max(width, getSuggestedMinimumWidth());
if (mode == MeasureSpec.AT_MOST && widthSize < width) {
width = widthSize;
}
}
itemsLayout.measure(
MeasureSpec.makeMeasureSpec(width - 2 * PADDING, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
return width;
}
private void init(Context context) {
// 设置滑动效果
animation =
new RotateAnimation(
0,
-180,
RotateAnimation.RELATIVE_TO_SELF,
0.5f,
RotateAnimation.RELATIVE_TO_SELF,
0.5f);
animation.setInterpolator(new LinearInterpolator());
animation.setDuration(100);
animation.setFillAfter(true);
reverseAnimation =
new RotateAnimation(
-180,
0,
RotateAnimation.RELATIVE_TO_SELF,
0.5f,
RotateAnimation.RELATIVE_TO_SELF,
0.5f);
reverseAnimation.setInterpolator(new LinearInterpolator());
reverseAnimation.setDuration(100);
reverseAnimation.setFillAfter(true);
inflater = LayoutInflater.from(context);
headView = (LinearLayout) inflater.inflate(R.layout.pull_to_refresh_head, null);
arrowImageView = (ImageView) headView.findViewById(R.id.head_arrowImageView);
arrowImageView.setMinimumWidth(50);
arrowImageView.setMinimumHeight(50);
progressBar = (ProgressBar) headView.findViewById(R.id.head_progressBar);
tipsTextview = (TextView) headView.findViewById(R.id.head_tipsTextView);
lastUpdatedTextView = (TextView) headView.findViewById(R.id.head_lastUpdatedTextView);
headContentOriginalTopPadding = headView.getPaddingTop();
measureView(headView);
headContentHeight = headView.getMeasuredHeight();
headContentWidth = headView.getMeasuredWidth();
headView.setPadding(
headView.getPaddingLeft(),
-1 * headContentHeight,
headView.getPaddingRight(),
headView.getPaddingBottom());
headView.invalidate();
// System.out.println("初始高度�?+headContentHeight);
// System.out.println("初始TopPad�?+headContentOriginalTopPadding);
addHeaderView(headView);
setOnScrollListener(this);
}
private void init(Context context) {
setCacheColorHint(context.getResources().getColor(R.color.transparent));
inflater = LayoutInflater.from(context);
headView = (LinearLayout) inflater.inflate(R.layout.head, null); // listview拼接headview
arrowImageView = (ImageView) headView.findViewById(R.id.head_arrowImageView);
arrowImageView.setMinimumWidth(70);
arrowImageView.setMinimumHeight(50);
progressBar = (ProgressBar) headView.findViewById(R.id.head_progressBar);
tipsTextview = (TextView) headView.findViewById(R.id.head_tipsTextView);
lastUpdatedTextView = (TextView) headView.findViewById(R.id.head_lastUpdatedTextView);
measureView(headView);
headContentHeight = headView.getMeasuredHeight(); // 头部高度
headContentWidth = headView.getMeasuredWidth(); // 头部宽度
headView.setPadding(
0, -1 * headContentHeight, 0, 0); // setPadding(int left, int top, int right, int bottom)
headView.invalidate(); // Invalidate the whole view
Log.v("size", "width:" + headContentWidth + " height:" + headContentHeight);
addHeaderView(headView, null, false); // 添加进headview
setOnScrollListener(this); // 滚动监听
animation =
new RotateAnimation(
0,
-180,
RotateAnimation.RELATIVE_TO_SELF,
0.5f,
RotateAnimation.RELATIVE_TO_SELF,
0.5f);
animation.setInterpolator(new LinearInterpolator());
animation.setDuration(250);
animation.setFillAfter(true); // 特效animation设置
reverseAnimation =
new RotateAnimation(
-180,
0,
RotateAnimation.RELATIVE_TO_SELF,
0.5f,
RotateAnimation.RELATIVE_TO_SELF,
0.5f);
reverseAnimation.setInterpolator(new LinearInterpolator());
reverseAnimation.setDuration(200);
reverseAnimation.setFillAfter(true); // 特效reverseAnimation设置
state = DONE;
isRefreshable = false;
}
private void init(Context context) {
// TODO Auto-generated method stub
inflater = LayoutInflater.from(context);
headView = (LinearLayout) inflater.inflate(R.layout.list_head, null);
arrowImageView = (ImageView) headView.findViewById(R.id.head_arrowImageView);
arrowImageView.setMinimumWidth(70);
arrowImageView.setMinimumHeight(50);
progressBar = (ProgressBar) headView.findViewById(R.id.head_progressBar);
tipsTextview = (TextView) headView.findViewById(R.id.head_tipsTextView);
lastUpdatedTextView = (TextView) headView.findViewById(R.id.head_lastUpdatedTextView);
headView.setLayoutParams(
new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
// measureView(this);
measureView(headView);
headContentHeight = headView.getMeasuredHeight();
headContentWidth = headView.getMeasuredWidth();
this.setPadding(0, -1 * headContentHeight, 0, 0);
this.invalidate();
animation =
new RotateAnimation(
0,
-180,
RotateAnimation.RELATIVE_TO_SELF,
0.5f,
RotateAnimation.RELATIVE_TO_SELF,
0.5f);
animation.setInterpolator(new LinearInterpolator());
animation.setDuration(250);
animation.setFillAfter(true);
reverseAnimation =
new RotateAnimation(
-180,
0,
RotateAnimation.RELATIVE_TO_SELF,
0.5f,
RotateAnimation.RELATIVE_TO_SELF,
0.5f);
reverseAnimation.setInterpolator(new LinearInterpolator());
reverseAnimation.setDuration(200);
reverseAnimation.setFillAfter(true);
state = DONE;
isRefreshable = false;
}
private void init(Context context) {
LayoutInflater inflater = LayoutInflater.from(context);
innerLayout = new LinearLayout(context);
innerLayout.setLayoutParams(
new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT));
innerLayout.setOrientation(LinearLayout.VERTICAL);
headView = (LinearLayout) inflater.inflate(R.layout.pull_homeactivity_refreshscrollview, null);
arrowImageView = (ImageView) headView.findViewById(R.id.head_arrowImageView);
progressBar = (ProgressBar) headView.findViewById(R.id.head_progressBar);
tipsTextview = (TextView) headView.findViewById(R.id.head_tipsTextView);
lastUpdatedTextView = (TextView) headView.findViewById(R.id.head_lastUpdatedTextView);
measureView(headView);
headContentHeight = headView.getMeasuredHeight();
headContentWidth = headView.getMeasuredWidth();
headView.setPadding(0, -1 * headContentHeight, 0, 0);
headView.invalidate();
innerLayout.addView(headView);
addView(innerLayout);
animation =
new RotateAnimation(
0,
-180,
RotateAnimation.RELATIVE_TO_SELF,
0.5f,
RotateAnimation.RELATIVE_TO_SELF,
0.5f);
animation.setInterpolator(new LinearInterpolator());
animation.setDuration(250);
animation.setFillAfter(true);
reverseAnimation =
new RotateAnimation(
-180,
0,
RotateAnimation.RELATIVE_TO_SELF,
0.5f,
RotateAnimation.RELATIVE_TO_SELF,
0.5f);
reverseAnimation.setInterpolator(new LinearInterpolator());
reverseAnimation.setDuration(200);
reverseAnimation.setFillAfter(true);
state = DONE;
isRefreshable = false;
canReturn = false;
}
/**
* 添加下拉刷新的HeadView
*
* @date 2013-11-11 下午9:48:26
* @change JohnWatson
* @version 1.0
*/
private void addHeadView() {
mHeadView = (LinearLayout) mInflater.inflate(com.gemptc.activities.R.layout.head, null);
LinearLayout head_linetest =
(LinearLayout) mHeadView.findViewById(com.gemptc.activities.R.id.head_linetest);
mArrowImageView = (ImageView) mHeadView.findViewById(R.id.head_arrowImageView);
mArrowImageView.setMinimumWidth(70);
mArrowImageView.setMinimumHeight(50);
mProgressBar = (ProgressBar) mHeadView.findViewById(R.id.head_progressBar);
mTipsTextView = (TextView) mHeadView.findViewById(R.id.head_tipsTextView);
mLastUpdatedTextView = (TextView) mHeadView.findViewById(R.id.head_lastUpdatedTextView);
measureView(mHeadView);
mHeadViewHeight = mHeadView.getMeasuredHeight();
mHeadViewWidth = mHeadView.getMeasuredWidth();
int x = mHeadView.getMeasuredWidth();
int x1 = mHeadView.getWidth();
int y1 = mHeadView.getHeight();
int y = mHeadView.getMeasuredHeight();
int x12 = head_linetest.getMeasuredWidth();
int x11 = head_linetest.getWidth();
int y11 = head_linetest.getHeight();
int y12 = head_linetest.getMeasuredHeight();
mHeadView.setPadding(0, -1 * mHeadViewHeight, 0, 0);
mHeadView.invalidate();
Log.v("size", "width:" + mHeadViewWidth + " height:" + mHeadViewHeight);
addHeaderView(mHeadView, null, false);
mHeadState = DONE;
}
@Override
public void setBackgroundLayoutSize(LinearLayout layoutBackground) {
if (layoutBackground != null) {
int height, width;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
width = layoutBackground.getMeasuredWidth();
height = layoutBackground.getMeasuredHeight();
} else {
width = layoutBackground.getWidth();
height = layoutBackground.getHeight();
}
if (height - (getPadding() * 2) == 0) {
height = (int) dp2px(DEFAULT_PROGRESS_BAR_HEIGHT);
}
setBackgroundWidth(width);
setBackgroundHeight(height);
}
}
@Click(R.id.actionbar_more)
void moreClicked() {
mActionbarMore.setSelected(true);
LinearLayout moreContentView =
(LinearLayout) mInflater.inflate(R.layout.main_more_content, null);
moreContentView.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
final PopupWindow popupWindow = new PopupWindow(this);
popupWindow.setBackgroundDrawable(
new ColorDrawable(getResources().getColor(R.color.red_dark_washedout)));
popupWindow.setContentView(moreContentView);
popupWindow.showAsDropDown(mActionbarMore);
popupWindow.setTouchable(true);
popupWindow.setFocusable(true);
popupWindow.setOutsideTouchable(true);
popupWindow.setOnDismissListener(
new OnDismissListener() {
public void onDismiss() {
mActionbarMore.setSelected(false);
}
});
Button settingsButton = (Button) moreContentView.findViewById(R.id.main_more_content_settings);
settingsButton.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(MainActivity.this, SettingsActivity.class));
popupWindow.dismiss();
}
});
Button aboutButton = (Button) moreContentView.findViewById(R.id.main_more_content_about);
aboutButton.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(MainActivity.this, AboutActivity_.class));
popupWindow.dismiss();
}
});
popupWindow.update(moreContentView.getMeasuredWidth(), moreContentView.getMeasuredHeight());
}
/**
* 添加下拉刷新的HeadView
*
* @date 2013-11-11 下午9:48:26
* @change JohnWatson
* @version 1.0
*/
private void addHeadView() {
mHeadRootView = (LinearLayout) mInflater.inflate(R.layout.pull_to_refresh_head, null);
mArrowImageView = (ImageView) mHeadRootView.findViewById(R.id.head_arrowImageView);
mArrowImageView.setMinimumWidth(70);
mArrowImageView.setMinimumHeight(50);
mProgressBar = (ImageView) mHeadRootView.findViewById(R.id.head_progressBar);
mTipsTextView = (TextView) mHeadRootView.findViewById(R.id.head_tipsTextView);
mLastUpdatedTextView = (TextView) mHeadRootView.findViewById(R.id.head_lastUpdatedTextView);
measureView(mHeadRootView);
mHeadViewHeight = mHeadRootView.getMeasuredHeight();
mHeadViewWidth = mHeadRootView.getMeasuredWidth();
mHeadRootView.setPadding(0, -1 * mHeadViewHeight, 0, 0);
mHeadRootView.invalidate();
Log.v("size", "width:" + mHeadViewWidth + " height:" + mHeadViewHeight);
addHeaderView(mHeadRootView, null, false);
mHeadState = DONE;
changeHeadViewByState();
}
/**
* Returns how big this panel's view should be. This method should only be called when the view
* has not been attached to a parent.
*
* @throws IllegalStateException
*/
public Size measure() {
Preconditions.checkState(mContentView.getParent() == null);
mContentView.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
return new Size(mContentView.getMeasuredWidth(), mContentView.getMeasuredHeight());
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
final int childCount = getChildCount();
if (mIsCollapsable) {
int visibleChildren = 0;
for (int i = 0; i < childCount; i++) {
final View child = getChildAt(i);
if (child.getVisibility() != GONE
&& !(child == mMenuView && mMenuView.getChildCount() == 0)) {
visibleChildren++;
}
}
if (visibleChildren == 0) {
// No size for an empty action bar when collapsable.
setMeasuredDimension(0, 0);
mIsCollapsed = true;
return;
}
}
mIsCollapsed = false;
int widthMode = MeasureSpec.getMode(widthMeasureSpec);
if (widthMode != MeasureSpec.EXACTLY) {
throw new IllegalStateException(
getClass().getSimpleName()
+ " can only be used "
+ "with android:layout_width=\"match_parent\" (or fill_parent)");
}
int heightMode = MeasureSpec.getMode(heightMeasureSpec);
if (heightMode != MeasureSpec.AT_MOST) {
throw new IllegalStateException(
getClass().getSimpleName()
+ " can only be used "
+ "with android:layout_height=\"wrap_content\"");
}
int contentWidth = MeasureSpec.getSize(widthMeasureSpec);
int maxHeight = mContentHeight > 0 ? mContentHeight : MeasureSpec.getSize(heightMeasureSpec);
final int verticalPadding = getPaddingTop() + getPaddingBottom();
final int paddingLeft = getPaddingLeft();
final int paddingRight = getPaddingRight();
final int height = maxHeight - verticalPadding;
final int childSpecHeight = MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST);
int availableWidth = contentWidth - paddingLeft - paddingRight;
int leftOfCenter = availableWidth / 2;
int rightOfCenter = leftOfCenter;
HomeView homeLayout = mExpandedActionView != null ? mExpandedHomeLayout : mHomeLayout;
if (homeLayout.getVisibility() != GONE) {
final ViewGroup.LayoutParams lp = homeLayout.getLayoutParams();
int homeWidthSpec;
if (lp.width < 0) {
homeWidthSpec = MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST);
} else {
homeWidthSpec = MeasureSpec.makeMeasureSpec(lp.width, MeasureSpec.EXACTLY);
}
homeLayout.measure(homeWidthSpec, MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY));
final int homeWidth = homeLayout.getMeasuredWidth() + homeLayout.getLeftOffset();
availableWidth = Math.max(0, availableWidth - homeWidth);
leftOfCenter = Math.max(0, availableWidth - homeWidth);
}
if (mMenuView != null && mMenuView.getParent() == this) {
availableWidth = measureChildView(mMenuView, availableWidth, childSpecHeight, 0);
rightOfCenter = Math.max(0, rightOfCenter - mMenuView.getMeasuredWidth());
}
if (mIndeterminateProgressView != null && mIndeterminateProgressView.getVisibility() != GONE) {
availableWidth =
measureChildView(mIndeterminateProgressView, availableWidth, childSpecHeight, 0);
rightOfCenter = Math.max(0, rightOfCenter - mIndeterminateProgressView.getMeasuredWidth());
}
final boolean showTitle =
mTitleLayout != null
&& mTitleLayout.getVisibility() != GONE
&& (mDisplayOptions & ActionBar.DISPLAY_SHOW_TITLE) != 0;
if (mExpandedActionView == null) {
switch (mNavigationMode) {
case ActionBar.NAVIGATION_MODE_LIST:
if (mListNavLayout != null) {
final int itemPaddingSize = showTitle ? mItemPadding * 2 : mItemPadding;
availableWidth = Math.max(0, availableWidth - itemPaddingSize);
leftOfCenter = Math.max(0, leftOfCenter - itemPaddingSize);
mListNavLayout.measure(
MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST),
MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY));
final int listNavWidth = mListNavLayout.getMeasuredWidth();
availableWidth = Math.max(0, availableWidth - listNavWidth);
leftOfCenter = Math.max(0, leftOfCenter - listNavWidth);
}
break;
case ActionBar.NAVIGATION_MODE_TABS:
if (mTabScrollView != null) {
final int itemPaddingSize = showTitle ? mItemPadding * 2 : mItemPadding;
availableWidth = Math.max(0, availableWidth - itemPaddingSize);
leftOfCenter = Math.max(0, leftOfCenter - itemPaddingSize);
mTabScrollView.measure(
MeasureSpec.makeMeasureSpec(availableWidth, MeasureSpec.AT_MOST),
MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY));
final int tabWidth = mTabScrollView.getMeasuredWidth();
availableWidth = Math.max(0, availableWidth - tabWidth);
leftOfCenter = Math.max(0, leftOfCenter - tabWidth);
}
break;
}
}
View customView = null;
if (mExpandedActionView != null) {
customView = mExpandedActionView;
} else if ((mDisplayOptions & ActionBar.DISPLAY_SHOW_CUSTOM) != 0 && mCustomNavView != null) {
customView = mCustomNavView;
}
if (customView != null) {
final ViewGroup.LayoutParams lp = generateLayoutParams(customView.getLayoutParams());
final ActionBar.LayoutParams ablp =
lp instanceof ActionBar.LayoutParams ? (ActionBar.LayoutParams) lp : null;
int horizontalMargin = 0;
int verticalMargin = 0;
if (ablp != null) {
horizontalMargin = ablp.leftMargin + ablp.rightMargin;
verticalMargin = ablp.topMargin + ablp.bottomMargin;
}
// If the action bar is wrapping to its content height, don't allow a custom
// view to MATCH_PARENT.
int customNavHeightMode;
if (mContentHeight <= 0) {
customNavHeightMode = MeasureSpec.AT_MOST;
} else {
customNavHeightMode =
lp.height != LayoutParams.WRAP_CONTENT ? MeasureSpec.EXACTLY : MeasureSpec.AT_MOST;
}
final int customNavHeight =
Math.max(0, (lp.height >= 0 ? Math.min(lp.height, height) : height) - verticalMargin);
final int customNavWidthMode =
lp.width != LayoutParams.WRAP_CONTENT ? MeasureSpec.EXACTLY : MeasureSpec.AT_MOST;
int customNavWidth =
Math.max(
0,
(lp.width >= 0 ? Math.min(lp.width, availableWidth) : availableWidth)
- horizontalMargin);
final int hgrav =
(ablp != null ? ablp.gravity : DEFAULT_CUSTOM_GRAVITY) & Gravity.HORIZONTAL_GRAVITY_MASK;
// Centering a custom view is treated specially; we try to center within the whole
// action bar rather than in the available space.
if (hgrav == Gravity.CENTER_HORIZONTAL && lp.width == LayoutParams.MATCH_PARENT) {
customNavWidth = Math.min(leftOfCenter, rightOfCenter) * 2;
}
customView.measure(
MeasureSpec.makeMeasureSpec(customNavWidth, customNavWidthMode),
MeasureSpec.makeMeasureSpec(customNavHeight, customNavHeightMode));
availableWidth -= horizontalMargin + customView.getMeasuredWidth();
}
if (mExpandedActionView == null && showTitle) {
availableWidth =
measureChildView(
mTitleLayout,
availableWidth,
MeasureSpec.makeMeasureSpec(mContentHeight, MeasureSpec.EXACTLY),
0);
leftOfCenter = Math.max(0, leftOfCenter - mTitleLayout.getMeasuredWidth());
}
if (mContentHeight <= 0) {
int measuredHeight = 0;
for (int i = 0; i < childCount; i++) {
View v = getChildAt(i);
int paddedViewHeight = v.getMeasuredHeight() + verticalPadding;
if (paddedViewHeight > measuredHeight) {
measuredHeight = paddedViewHeight;
}
}
setMeasuredDimension(contentWidth, measuredHeight);
} else {
setMeasuredDimension(contentWidth, maxHeight);
}
if (mContextView != null) {
mContextView.setContentHeight(getMeasuredHeight());
}
if (mProgressView != null && mProgressView.getVisibility() != GONE) {
mProgressView.measure(
MeasureSpec.makeMeasureSpec(contentWidth - mProgressBarPadding * 2, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST));
}
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
final int widthMode = MeasureSpec.getMode(widthMeasureSpec);
if (widthMode != MeasureSpec.EXACTLY) {
throw new IllegalStateException(
getClass().getSimpleName()
+ " can only be used "
+ "with android:layout_width=\"match_parent\" (or fill_parent)");
}
final int heightMode = MeasureSpec.getMode(heightMeasureSpec);
if (heightMode == MeasureSpec.UNSPECIFIED) {
throw new IllegalStateException(
getClass().getSimpleName()
+ " can only be used "
+ "with android:layout_height=\"wrap_content\"");
}
final int contentWidth = MeasureSpec.getSize(widthMeasureSpec);
int maxHeight = mContentHeight > 0 ? mContentHeight : MeasureSpec.getSize(heightMeasureSpec);
final int verticalPadding = getPaddingTop() + getPaddingBottom();
int availableWidth = contentWidth - getPaddingLeft() - getPaddingRight();
final int height = maxHeight - verticalPadding;
final int childSpecHeight = MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST);
if (mClose != null) {
availableWidth = measureChildView(mClose, availableWidth, childSpecHeight, 0);
MarginLayoutParams lp = (MarginLayoutParams) mClose.getLayoutParams();
availableWidth -= lp.leftMargin + lp.rightMargin;
}
if (mMenuView != null && mMenuView.getParent() == this) {
availableWidth = measureChildView(mMenuView, availableWidth, childSpecHeight, 0);
}
if (mTitleLayout != null && mCustomView == null) {
if (mTitleOptional) {
final int titleWidthSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
mTitleLayout.measure(titleWidthSpec, childSpecHeight);
final int titleWidth = mTitleLayout.getMeasuredWidth();
final boolean titleFits = titleWidth <= availableWidth;
if (titleFits) {
availableWidth -= titleWidth;
}
mTitleLayout.setVisibility(titleFits ? VISIBLE : GONE);
} else {
availableWidth = measureChildView(mTitleLayout, availableWidth, childSpecHeight, 0);
}
}
if (mCustomView != null) {
ViewGroup.LayoutParams lp = mCustomView.getLayoutParams();
final int customWidthMode =
lp.width != LayoutParams.WRAP_CONTENT ? MeasureSpec.EXACTLY : MeasureSpec.AT_MOST;
final int customWidth = lp.width >= 0 ? Math.min(lp.width, availableWidth) : availableWidth;
final int customHeightMode =
lp.height != LayoutParams.WRAP_CONTENT ? MeasureSpec.EXACTLY : MeasureSpec.AT_MOST;
final int customHeight = lp.height >= 0 ? Math.min(lp.height, height) : height;
mCustomView.measure(
MeasureSpec.makeMeasureSpec(customWidth, customWidthMode),
MeasureSpec.makeMeasureSpec(customHeight, customHeightMode));
}
if (mContentHeight <= 0) {
int measuredHeight = 0;
final int count = getChildCount();
for (int i = 0; i < count; i++) {
View v = getChildAt(i);
int paddedViewHeight = v.getMeasuredHeight() + verticalPadding;
if (paddedViewHeight > measuredHeight) {
measuredHeight = paddedViewHeight;
}
}
setMeasuredDimension(contentWidth, measuredHeight);
} else {
setMeasuredDimension(contentWidth, maxHeight);
}
}
private void init(Context context) {
inflater = LayoutInflater.from(context);
headView =
(LinearLayout) inflater.inflate(R.layout.list_refresh_head, null); // listview拼接headview
footView = inflater.inflate(R.layout.list_more_view, null);
footView.setVisibility(View.GONE);
footView.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
if (onLoadaMoreListener != null) {
onLoadaMoreListener.onLoadMore();
}
}
});
arrowImageView = (ImageView) headView.findViewById(R.id.array); // headview中各view
arrowImageView.setMinimumWidth(50);
arrowImageView.setMinimumHeight(50);
progressBar = (ProgressBar) headView.findViewById(R.id.progressBar); // headview中各view
tipsTextview = (TextView) headView.findViewById(R.id.tips); // headview中各view
lastUpdatedTextView = (TextView) headView.findViewById(R.id.content); // headview中各view
measureView(headView);
headContentHeight = headView.getMeasuredHeight(); // 头部高度
headContentWidth = headView.getMeasuredWidth(); // 头部宽度
headView.setPadding(
0, -1 * headContentHeight, 0, 0); // setPadding(int left, int top, int right, int bottom)
headView.invalidate(); // Invalidate the whole view
addHeaderView(headView); // 添加进headview
addFooterView(footView);
setOnScrollListener(this); // 滚动监听
animation =
new RotateAnimation(
0,
-180,
RotateAnimation.RELATIVE_TO_SELF,
0.5f,
RotateAnimation.RELATIVE_TO_SELF,
0.5f);
animation.setInterpolator(new LinearInterpolator());
animation.setDuration(250);
animation.setFillAfter(true); // 特效animation设置
reverseAnimation =
new RotateAnimation(
-180,
0,
RotateAnimation.RELATIVE_TO_SELF,
0.5f,
RotateAnimation.RELATIVE_TO_SELF,
0.5f);
reverseAnimation.setInterpolator(new LinearInterpolator());
reverseAnimation.setDuration(250);
reverseAnimation.setFillAfter(true); // 特效reverseAnimation设置
}