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我已將一個自定義按鈕添加到工具欄並設置了屬性setEnabled:NO,但當使用SDK 4.0加載視圖時,該按鈕不會顯示爲灰色 。但是,如果使用SDK 3.1.2編譯相同的代碼,該按鈕會變灰。有任何想法嗎?如何使工具欄上的setEnabled與SDK 4.0一起工作-iPhone
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
UIImage* pImage = [UIImage imageNamed:@"Test.png"];
CGRect TestBtnFrame = CGRectMake(0, 0, pImage.size.width, pImage.size.height);
UIButton* pTestBtn = [[UIButton alloc] initWithFrame:TestBtnFrame];
[pTestBtn setTitle:@" Test" forState:UIControlStateNormal];
[pTestBtn addTarget:self action:@selector(OnTestBtnClick) forControlEvents:UIControlEventTouchUpInside];
[pTestBtn setBackgroundImage:image forState:UIControlStateNormal];
// [pTestBtn setEnabled:NO];
// Class member variable to be released in dealloc
m_pTestBarBtn = [[UIBarButtonItem alloc] initWithCustomView: pTestBtn];
[pTestBtn release];
[m_pTestBarBtn setEnabled:NO];
[self setToolbarItems:[NSArray arrayWithObjects: m_pTestBarBtn, nil] animated:YES];
}
但確實按鈕仍然響應觸摸事件,即使不是灰色的? – Macmade 2011-02-27 18:07:40
沒有按鈕不響應,以便部分工作。 – user636060 2011-02-27 18:33:03