大约有 4,000 项符合查询结果（耗时：0.0254秒） [XML]
'Missing contentDescription attribute on image' in XML
...ription attribute to specify a textual description of the
widget such that screen readers and other accessibility tools can
adequately describe the user interface.
This link for explanation: Accessibility, It's Impact and Development Resources
Many Android users have disabilities that require them...
How to remove focus around buttons on click
... This works fine for most users, but this method isn't friendly to screen readers, or to keyboards and will leave blind users, and users with compromised motor skills, unable to interact with the button.
– Murphy Randle
Jan 27 '16 at 21:32
...
Dynamically updating plot in matplotlib
...e data property of the object being drawn, so doesn't require clearing the screen or figure. The data property can simply be extended, so you can keep the previous points and just keep adding to your line (or image or whatever you are drawing).
Given that you say that your data arrival time is unce...
When does System.gc() do something?
...
I'd use System.gc() while in a loading screen for a video game. At that point, I wouldn't really care if the call cleared everything it possibly could, or did nothing at all. I would, however, prefer that it "expend effort toward recycling unused objects" during t...
How to implement the Android ActionBar back button?
...on of the "wipe"? By default, implementing this back navigation sweeps the screen from right to left, and it looks like it's loading a new screen. However, I want it to wipe from left to right, just like hitting the device own back key.
– stingray_
Sep 6 '18 at...
How do I find out if the GPS of an Android device is enabled
...er that GPS is turned off and use something like this to show the settings screen to the user if you want.
Check if location providers are available
String provider = Settings.Secure.getString(getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
if(provider != null){
...
Password masking console application
...
Console.Write("\b \b"); will delete the asterisk character from the screen, but you do not have any code within your else block that removes the previously entered character from your pass string variable.
Here's the relevant working code that should do what you require:
var pass = string.Emp...
UIView bottom border?
To a UIScrollView *toScrollView (which is the width of the screen), I want to add a gray bottom border (exactly like that of the to-field of the compose view of the iPhone's native Messages app).
...
Android - styling seek bar
... Is there anyway to use @dimen to set the size of the thumb based on the screen?
– Si8
Sep 1 '13 at 13:10
1
...
How to print HTML content on click of a button, but not the page? [duplicate]
...
.example-print {
display: none;
}
@media print {
.example-screen {
display: none;
}
.example-print {
display: block;
}
}
<div class="example-screen">You only see me in the browser</div>
<div class="example-print">You only see me ...