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iPad アプリケーションで 1 つのテーブルと 1 つの UIview を使用しています。テーブルの選択された行インデックスの 2 番目のビューに別のオプションを表示したい。これにアプリケーション UI が添付されています。私のコードスニペットは次のようなものです:-

- (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
NSUInteger row=indexPath.row;

UILabel *lblName, *lblUserName, *lblOldPassword, *lblCreditCardDetails, *lblNewPassword;

UITextField *txtName, *txtUserName, *txtOldPassword, *txtNewPassword, *txtCreditCardDetails;

UIButton *btnsaveprofile, *btnSavePassword, *btnSaveCreditCardDetails;

UIView *subView =[[UIView alloc] initWithFrame:CGRectMake(321, 0, 448, 980)];
[viewDetail addSubview:subView];

if (row==0) {

    [subView removeFromSuperview];

    UIView *subView =[[UIView alloc] initWithFrame:CGRectMake(0, 0, 448, 980)];
    [viewDetail addSubview:subView];

    lblName =[[UILabel alloc] initWithFrame:CGRectMake(0, 0, 140, 40)];
    lblName.text=@"Name";
    [lblName setBackgroundColor:[UIColor clearColor]];
    [subView addSubview:lblName];
    [lblName release];

    txtName =[[UITextField alloc] initWithFrame:CGRectMake(141, 0, 200, 40)];
    txtName.borderStyle=UITextBorderStyleRoundedRect;
    [subView addSubview:txtName];

    lblUserName =[[UILabel alloc] initWithFrame:CGRectMake(0, 60, 140, 40)];
    lblUserName.text=@"User Name";
    [lblUserName setBackgroundColor:[UIColor clearColor]];
    [subView addSubview:lblUserName];
    [lblUserName release];


    txtUserName =[[UITextField alloc] initWithFrame:CGRectMake(141, 60, 200, 40)];
    txtUserName.borderStyle=UITextBorderStyleRoundedRect;
    [subView addSubview:txtUserName];


    btnsaveprofile =[[UIButton alloc] initWithFrame:CGRectMake(100, 160, 100, 40)];
    [btnsaveprofile setTitle:@"Save" forState:UIControlStateNormal];
    [btnsaveprofile addTarget:self action:@selector(btnSaveProfile) forControlEvents:UIControlEventTouchUpInside];
    [subView addSubview:btnsaveprofile];


}        
if (row==1) {

   [subView removeFromSuperview];

    UIView *subView1 =[[UIView alloc] initWithFrame:CGRectMake(0, 0, 448, 980)];
    [viewDetail addSubview:subView1];

    lblOldPassword =[[UILabel alloc] initWithFrame:CGRectMake(0, 0, 140, 40)];
    lblOldPassword.text=@"Old Password";
    [lblOldPassword setBackgroundColor:[UIColor clearColor]];
    [subView1 addSubview:lblOldPassword];


    txtOldPassword =[[UITextField alloc] initWithFrame:CGRectMake(141, 0, 200, 40)];
    txtOldPassword.secureTextEntry=YES;
    txtOldPassword.borderStyle=UITextBorderStyleRoundedRect;
    [subView1 addSubview:txtOldPassword];


    lblNewPassword =[[UILabel alloc] initWithFrame:CGRectMake(0, 60, 140, 40)];
    lblNewPassword.text=@"New Password";
    [lblNewPassword setBackgroundColor:[UIColor clearColor]];
    [subView1 addSubview:lblNewPassword];


    txtNewPassword =[[UITextField alloc] initWithFrame:CGRectMake(141, 60, 200, 40)];
    txtNewPassword.secureTextEntry=YES;
    txtNewPassword.borderStyle=UITextBorderStyleRoundedRect;
    [subView1 addSubview:txtNewPassword];


    btnSavePassword =[[UIButton alloc] initWithFrame:CGRectMake(100, 160, 100, 40)];
    [btnSavePassword setTitle:@"Save" forState:UIControlStateNormal];
    [btnSavePassword addTarget:self action:@selector(btnNavigationBarClicked) forControlEvents:UIControlEventTouchUpInside];
    [btnSavePassword setBackgroundImage:[UIImage imageNamed:@"btn_signin_bg.png"] forState:UIControlStateNormal];
    [subView1 addSubview:btnSavePassword];


}
if (row==2) {

    [subView removeFromSuperview];


    UIView *subView =[[UIView alloc] initWithFrame:CGRectMake(0, 0, 448, 980)];
    [viewDetail addSubview:subView];

    lblCreditCardDetails =[[UILabel alloc] initWithFrame:CGRectMake(0, 0, 180, 40)];
    lblCreditCardDetails.text=@"Credit Card Details";
    [lblCreditCardDetails setBackgroundColor:[UIColor clearColor]];
    [subView addSubview:lblCreditCardDetails];
    [lblCreditCardDetails release];

    txtCreditCardDetails =[[UITextField alloc] initWithFrame:CGRectMake(181, 0, 200, 40)];
    txtCreditCardDetails.secureTextEntry=YES;
    txtCreditCardDetails.borderStyle=UITextBorderStyleRoundedRect;
    [subView addSubview:txtCreditCardDetails];
    [txtCreditCardDetails release];


    btnSaveCreditCardDetails =[[UIButton alloc] initWithFrame:CGRectMake(100, 130, 100, 40)];
    [btnSaveCreditCardDetails setTitle:@"Save" forState:UIControlStateNormal];
    [btnSaveCreditCardDetails setBackgroundImage:[UIImage imageNamed:@"btn_signin_bg.png"] forState:UIControlStateNormal];
    [btnSaveCreditCardDetails addTarget:self action:@selector(btnSaveCreditCard) forControlEvents:UIControlEventTouchUpInside];
    [subView addSubview:btnSaveCreditCardDetails];
    [btnSaveCreditCardDetails release];
    btnSaveCreditCardDetails.hidden=YES;

}

}

このコードを使用していますが、残念ながら前のビューと重複しています。

私の質問は、重複を避ける方法、または以前のビューを非表示にする方法です。

ここに画像の説明を入力

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2 に答える 2

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[subView removeFromSuperview] の代わりに以下のコードを試してください。

[[viewDetail subviews] makeObjectsPerformSelector:@selector(removeFromSuperview)];
于 2013-05-02T09:33:52.200 に答える