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Show hide fragment in android

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I am developing application which contains 2 fragments and i want to show hide according to my need. Following code has simple example of my problem. This simple Fragmentactivity contains 1 button and one listfragment. This simple example works flawless. but i am not satisfied with show hide fragment. If you remove layout.setVisibility(View.GONE); from the code then ft.hide(f); will not hide fragment. In fact we are not hiding fragment we are hiding container. My Question is, IS this a way to show hide fragments? If not then please explain with tested example How to hide and show Fragments

Toggle visibility property of div

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问题 I have an HTML 5 video in a div. I then have a custom play button - that works fine. And I have the video's visibility set to hidden on load and visible when the play button is clicked, how do I return it to hidden when the play button is clicked again? function showVid() { document.getElementById('video-over').style.visibility = 'visible'; } #video-over { visibility: hidden; background-color: rgba(0, 0, 0, .7) } <div id="video-over"> <video class="home-banner" id="video" controls=""> <source

Difference between jQuery’s .hide() and setting CSS to display: none

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问题 Which am I better off doing? .hide() is quicker than writing out .css(\"display\", \"none\") , but what’s the difference and what are both of them actually doing to the HTML element? 回答1: From the jQuery page about .hide(): "The matched elements will be hidden immediately, with no animation. This is roughly equivalent to calling .css('display', 'none'), except that the value of the display property is saved in jQuery's data cache so that display can later be restored to its initial value. If

Hide autolayout UIView : How to get existing NSLayoutConstraint to update this one

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问题 I know how to modify a existing constraint. But I would to know if someone has found a solution to get a constraint without save this one as a property. Current solution to set Constraint height: 1) save NSLayoutConstraint in a variable: NSLayoutConstraint *heightConstraint = [NSLayoutConstraint constraintWithItem:myView attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1.0f constant:20]; [self.view addConstraint

How to Toggle a div's visibility by using a button click

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问题 Below is my javascript code which i used to show a div when clicked on a button . How can I hide it when clicked again? And then on clicking it, div should be visible again? <script type=\"text/javascript\"> var _hidediv = null; function showdiv(id) { if(_hidediv) _hidediv(); var div = document.getElementById(id); div.style.display = \'block\'; _hidediv = function () { div.style.display = \'none\'; }; } </script> 回答1: In case you are interested in a jQuery soluton: This is the HTML <a id=

How to hide desktop icons programmatically?

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问题 How can I show/hide the desktop icons programmatically, using C#? I\'m trying to create an alternative desktop, which uses widgets, and I need to hide the old icons. 回答1: You can do this using the Windows API. Here is sample code in C# that will toggle desktop icons. [DllImport("user32.dll", SetLastError = true)] static extern IntPtr FindWindow(string lpClassName, string lpWindowName); [DllImport("user32.dll", SetLastError = true)] static extern IntPtr GetWindow(IntPtr hWnd, GetWindow_Cmd

How to hide iOS status bar

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In my iOS video app status bar is hidden in some view controllers. I have done this using following code. [[UIApplication sharedApplication] setStatusBarHidden:YES]; It works for iOS 5 and iOS 6 , but not in iOS 7. I tried with this in particular view controller, Eg: -(BOOL)prefersStatusBarHidden { return YES; } It works well, but I cant show status bar again in the parent view controller. You should add this value to plist: " View controller-based status bar appearance " and set it to " NO ". Add the following to your Info.plist: <key>UIStatusBarHidden</key> <true/> <key

Show hide fragment in android

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问题 I am developing application which contains 2 fragments and i want to show hide according to my need. Following code has simple example of my problem. This simple Fragmentactivity contains 1 button and one listfragment. This simple example works flawless. but i am not satisfied with show hide fragment. If you remove layout.setVisibility(View.GONE); from the code then ft.hide(f); will not hide fragment. In fact we are not hiding fragment we are hiding container. My Question is, IS this a way to

How to hide iOS status bar

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问题 In my iOS video app status bar is hidden in some view controllers. I have done this using following code. [[UIApplication sharedApplication] setStatusBarHidden:YES]; It works for iOS 5 and iOS 6 , but not in iOS 7. I tried with this in particular view controller, Eg: -(BOOL)prefersStatusBarHidden { return YES; } It works well, but I cant show status bar again in the parent view controller. 回答1: You should add this value to plist: " View controller-based status bar appearance " and set it to "