我是iOS的新手,我读过类似的问题,但没有一个答案有效。
我有一个自定义单元格的桌面视图,显示图形(自定义UIView
)和过去的足球比赛。不在同一个单元格中,但它就像图形单元格(BCCGraphCell
) - >相应的匹配(BCCPastMatchCell
),graph-cell - >相应的比赛..
我正在使用Storyboards,在我的自定义单元格中,我添加了一个图形子视图(BCCGraphView
)。奥特莱斯还可以。我重写drawRect:
方法来绘制图形,但它只被调用两次。我在这里错过了什么?
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *cellIdentifierPastMatchCell = @"pastMatchCell";
static NSString *cellIdentifierGraphCell = @"graphCell";
if (indexPath.section % 2 == 0) {
BCCGraphCell *cell = [self.tableView dequeueReusableCellWithIdentifier:cellIdentifierGraphCell];
if (!cell) {
cell = [[BCCGraphCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifierGraphCell];
}
return cell;
}
BCCPastMatchCell *cell = [self.tableView dequeueReusableCellWithIdentifier:cellIdentifierPastMatchCell];
if (!cell) {
cell = [[BCCPastMatchCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifierPastMatchCell];
}
BCCMatch *matchForCell = [self.pastMatches objectForKey:self.pastMatchesKeyNames[indexPath.section]][indexPath.row];
[self configurePastMatchCell:cell];
return cell;
}
- (void)drawRect:(CGRect)rect
{
self.numberOfMatches = 6; // It's suppose to affect the 6 past match cells
CGContextRef context = UIGraphicsGetCurrentContext();
// **** Grid thikckness and color ****
CGContextSetLineWidth(context, [BCCUIConstant kGraphGridThickness]);
CGContextSetStrokeColorWithColor(context, [[BCCUIConstant colorForViewGraphGrid] CGColor]);
// Draw the Xlines
for (int i = 0; i <= [self numberOfGridLinesX]; i++) {
[self setNeedsDisplay];
CGContextMoveToPoint(context, [self offsetX] + i * [self stepX], kGraphTop);
CGContextAddLineToPoint(context, [self offsetX] + i * [self stepX], kGraphBottom);
}
// Draw the Ylines
for (int i = 0; i < [self numberOfGridLinesY]; i++) {
[self setNeedsDisplay];
CGContextMoveToPoint(context, 0, kGraphBottom - [self offsetY] - i * [self stepY]);
CGContextAddLineToPoint(context, kGraphWidth, kGraphBottom - [self offsetY] - i * [self stepY]);
}
// Commit drawing
CGContextStrokePath(context);
}
答案 0 :(得分:-1)
删除drawRect中的setNeedsDisplay
[tableView reloadData];
[self setNeedsDisplay];