基于云计算感应器的智能盆栽监测系统
all_screen_view = new ArrayList<LinkedList<View>>();
display = this.getWindowManager().getDefaultDisplay();
item_width = display.getWidth() / column_count + 2;
column_height = new int[column_count];
context = this;
pin_mark = new HashMap[column_count];
fb = new FinalBitmap(this).init();
fb.setCompleteListener(this);
this.lineIndex = new int[column_count];
this.bottomIndex = new int[column_count];
this.topIndex = new int[column_count];
for (int i = 0; i < column_count; i++) {
lineIndex[i] = -1;
bottomIndex[i] = -1;
pin_mark[i] = new HashMap();
}
InitLayout();
private void InitLayout() {
waterfall_scroll = (TryPullToRefreshScrollView) findViewById(R.id.waterfall_scroll);
rv = (TryRefreshableView) findViewById(R.id.trymyRV);
rv.sv = waterfall_scroll;
rv.setRefreshListener(new TryRefreshableView.RefreshListener() {
@Override
public void onDownRefresh() {
if (rv.mRefreshState == TryRefreshableView.READYTOREFRESH) {
firstView = waterfall_items.get(0).getChildAt(0);
refreshType = DOWNREFRESH;
AddItemToContainer(++current_page, page_count);
}
}
});
rv.setOnBottomListener(new TryRefreshableView.OnBottomListener() {
@Override
public void onBottom() {
if (rv.mRefreshState != TryRefreshableView.REFRESHING) {
refreshType = UPREFRESH;
AddItemToContainer(++current_page, page_count);
}
}
});
waterfall_scroll.setOnScrollListener(new TryPullToRefreshScrollView.OnScrollListener() {
@Override
public void onAutoScroll(int l, int t, int oldl, int oldt) {
if (pin_mark.length <= 0) {
return;
}
scroll_height = waterfall_scroll.getMeasuredHeight();
Log.d("MainActivity", "scroll_height:" + scroll_height);
if (t > oldt) {
if (t > 3 * scroll_height) {
for (int k = 0; k < column_count; k++) {
LinearLayout localLinearLayout = waterfall_items
.get(k);
if (pin_mark[k].get(Math.min(bottomIndex[k] + 1,
lineIndex[k])) <= t + 3 * scroll_height) {
View childAt = localLinearLayout
.getChildAt(Math.min(
1 + bottomIndex[k],
lineIndex[k]));
if(childAt != null){
FlowView picView = (FlowView) childAt
.findViewById(R.id.news_pic);
if (picView.bitmap == null
&& !TextUtils.isEmpty(picView.get_url())) {
fb.reload(picView.get_url(), picView);
}
bottomIndex[k] = Math.min(1 + bottomIndex[k],
lineIndex[k]);
}
}
if (pin_mark[k].get(topIndex[k]) < t - 2
* scroll_height) {
int i1 = topIndex[k];
topIndex[k]++;
((FlowView) localLinearLayout.getChildAt(i1)
.findViewById(R.id.news_pic)).recycle();
Log.d("MainActivity", "recycle,k:" + k
+ " headindex:" + topIndex[k]);
}
}
}
} else {
if (t > 3 * scroll_height) {
for (int k = 0; k < column_count; k++) {
LinearLayout localLinearLayout = waterfall_items
.get(k);
if (pin_mark[k].get(bottomIndex[k]) > t + 3
* scroll_height) {
((FlowView) localLinearLayout.getChildAt(
bottomIndex[k]).findViewById(
R.id.news_pic)).recycle();
Log.d("MainActivity", "recycle,k:" + k
+ " headindex:" + topIndex[k]);
bottomIndex[k]--;
}
if (pin_mark[k].get(Math.max(topIndex[k] - 1, 0)) >= t
- 2 * scroll_height) {
FlowView picView = ((FlowView) localLinearLayout
.getChildAt(
Math.max(-1 + topIndex[k], 0))
.findViewById(R.id.news_pic));
if (picView.bitmap == null
&& !TextUtils.isEmpty(picView.get_url())) {
fb.reload(picView.get_url(), picView);
}
topIndex[k] = Math.max(topIndex[k] - 1, 0);
}
}
}
}
}
});
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