private void createPreview() {
Activity activity = getActivity();
if (activity == null) return;
if (mWindowSize == null) mWindowSize = new Point();
activity.getWindowManager().getDefaultDisplay().getSize(mWindowSize);
mPreviewView = new CameraPreview(getActivity(), mCamera);
if (mPreviewFrame.getChildCount() > 0 && mPreviewFrame.getChildAt(0) instanceof CameraPreview)
mPreviewFrame.removeViewAt(0);
mPreviewFrame.addView(mPreviewView, 0);
mPreviewView.setAspectRatio(mWindowSize.x, mWindowSize.y);
}
// 删除状态图片
private void deleteNewsImageView(String tag) {
// 删除
int subviewsCount = addImageLayout.getChildCount();
for (int i = 0; i < subviewsCount; i++) {
View view = addImageLayout.getChildAt(i);
if (null != view.getTag() && view.getTag().equals(tag)) {
addImageLayout.removeViewAt(i);
break;
}
}
// 添加按钮位置重置
MarginLayoutParams addlp = (MarginLayoutParams) addImageView.getLayoutParams();
addlp.setMargins(oriMarginLeft, 0, 0, 0);
// 删除之后重新排序
subviewsCount = addImageLayout.getChildCount();
for (int i = 1; i < subviewsCount; i++) {
View view = addImageLayout.getChildAt(i);
moveImageView((ImageView) view, i);
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
RelativeLayout v;
View child;
// Log.d("mobeta",
// "getView: position="+position+" convertView="+convertView);
if (convertView != null) {
v = (RelativeLayout) convertView;
View oldChild = v.getChildAt(0);
// child = super.getView(position, oldChild, v);
child = mAdapter.getView(position, oldChild, v);
if (child != oldChild) {
// shouldn't get here if user is reusing convertViews
// properly
v.removeViewAt(0);
v.addView(child);
// check that tags are equal too?
v.setTag(child.findViewById(R.id.drag));
}
} else {
AbsListView.LayoutParams params =
new AbsListView.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
v = new RelativeLayout(getContext());
v.setLayoutParams(params);
child = mAdapter.getView(position, null, v);
v.addView(child);
v.setTag(child.findViewById(R.id.drag));
}
ViewGroup.LayoutParams lp = v.getLayoutParams();
final int numHeaders = getHeaderViewsCount();
final int srcAdapter = mSrcDragPos - numHeaders;
final int expAdapter = mExpDragPos - numHeaders;
boolean itemIsNormal = position != srcAdapter && position != expAdapter;
boolean listHasExpPos = mDragState == SRC_ABOVE || mDragState == SRC_BELOW;
boolean itemNeedsWC = itemIsNormal || !listHasExpPos;
int oldHeight = lp.height;
if (itemNeedsWC && lp.height != ViewGroup.LayoutParams.WRAP_CONTENT) {
// items that have a user-provided height
lp.height = ViewGroup.LayoutParams.WRAP_CONTENT;
} else if (listHasExpPos) {
if (position == srcAdapter && lp.height != mItemHeightCollapsed) {
// collapsed items
lp.height = mItemHeightCollapsed;
} else if (position == expAdapter) {
// what if a previously-expanded wrapper view is used
// as a convertView for a different expanded item?
// Always measure child
int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
child.measure(spec, spec);
mExpandedChildHeight = child.getMeasuredHeight();
// Log.d("mobeta",
// "childh="+mExpandedChildHeight+" pos="+position);
int height = mExpandedChildHeight + mFloatViewHeight;
if (lp.height != height) {
lp.height = height;
}
// set gravity
if (mDragState == SRC_ABOVE) {
v.setGravity(Gravity.TOP);
} else {
v.setGravity(Gravity.BOTTOM);
}
}
}
if (lp.height != oldHeight) {
v.setLayoutParams(lp);
}
int oldVis = v.getVisibility();
int vis = oldVis;
if (position == srcAdapter && mDragState != NO_DRAG) {
if (vis == View.VISIBLE) {
vis = View.INVISIBLE;
}
} else if (vis == View.INVISIBLE) {
vis = View.VISIBLE;
}
if (vis != oldVis) {
v.setVisibility(vis);
}
return v;
}