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How to detect orientation change in layout in Android?
...r.onConfigurationChanged(newConfig);
// Checks the orientation of the screen
if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) {
Toast.makeText(this, "landscape", Toast.LENGTH_SHORT).show();
} else if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT){...
Full Screen DialogFragment in Android
I'm trying to show an almost fullscreen DialogFragment. But I'm somehow not able to do so.
27 Answers
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Fastest method of screen capturing on Windows
I want to write a screencasting program for the Windows platform, but am unsure of how to capture the screen. The only method I'm aware of is to use GDI, but I'm curious whether there are other ways to go about this, and, if there are, which incurs the least overhead? Speed is a priority.
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What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?
... pixels)
The smaller tier (xs, sm or md) also defines the size for larger screen widths. So, for the same size column on all tiers, just set the width for the smallest viewport...
<div class="col-lg-3 col-md-3 col-sm-3">..</div> is the same as,
<div class="col-sm-3">..</div>...
How do I prevent the iPhone screen from dimming or turning off while my application is running?
...re you call this. It is always the entire app hit and each view is kept on screen, not dimmed.
– decades
Nov 19 '18 at 21:39
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show 1 more c...
About Android image and asset sizes
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kcoppock did a great job explaining Andorid screen densities.
I just would like to add one more point regarding the original question.
Android Tablet launcher icon uses one density bucket up.
According to Google's developer Nick Butcher's Google+ post
The gorgeo...
Android on-screen keyboard auto popping up
One of my apps has an "opening screen" (basically a menu) that has an EditText followed by several Button s. The problem is that several of my users are reporting that when they open the app it's automatically popping up the on-screen keyboard without them even touching the EditText . As far as ...
How do I prevent Android taking a screenshot when my app goes to the background?
... building has the requirement that the app has to prevent the OS to take a screenshot of the app when it's being pushed into the background for security reasons. This way it won't be able to see the last active screen when switching between apps.
...
Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
...nt to clear your Canvas with.
And: how can I update just a part of the screen ?
There is no such method that just update a "part of the screen" since Android OS is redrawing every pixel when updating the screen. But, when you're not clearing old drawings on your Canvas, the old drawings are st...
How to set entire application in portrait mode only?
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For any Android version
From XML
You can specify android:screenOrientation="portrait" for each activity in your manifest.xml file. You cannot specify this option on the application tag.
From Java
Other option is to do it programmatically, for example in an Activity base class:
@...