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View not attached to window manager crash
... while the AsyncTask is executing and the ProgressDialog is showing.
The Android OS will destroy an activity as soon as it is hidden. When onPostExecute is called the Activity will be in "finishing" state and the ProgressDialog will be not attached to Activity.
How to fix it:
Check for the acti...
URLEncoder not able to translate space character
...
dependencies {
compile 'com.google.guava:guava:23.0'
// or, for Android:
compile 'com.google.guava:guava:23.0-android'
}
You can use UrlEscapers:
String encodedString = UrlEscapers.urlFragmentEscaper().escape(inputString);
Don't use String.replace, this would only encode the spa...
When should one use RxJava Observable and when simple Callback on Android?
...e getUserPhoto example:
RxJava:
api.getUserPhoto(photoId)
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Action1<Photo>() {
@Override
public void call(Photo photo) {
// do some stuff with your photo
}
});
Callback:...
Fling gesture detection on grid layout
I want to get fling gesture detection working in my Android application.
18 Answers
...
How to get a Color from hexadecimal Color String
...olor class method:
public static int parseColor (String colorString)
From Android documentation:
Supported formats are: #RRGGBB #AARRGGBB 'red', 'blue', 'green', 'black', 'white', 'gray', 'cyan', 'magenta', 'yellow', 'lightgray', 'darkgray'
AndroidX: String.toColorInt()
...
Detect Safari browser
...
This does not work on Android browsers, which includes "safari" but not "chrome": developers.whatismybrowser.com/useragents/explore/software_name/…
– Eric Andrew Lewis
Mar 1 '19 at 15:41
...
How to get the filename without the extension in Java?
...
@GustavoLitovsky Android doesn't come bundled with org.apache.commons. As far as I'm aware, this is the only way to do it in Android.
– Liam George Betsworth
Jun 6 '14 at 8:56
...
Adding n hours to a date in Java?
...time functionality is back-ported to Java 6 & 7 in ThreeTen-Backport.
Android
Later versions of Android bundle implementations of the java.time classes.
For earlier Android (<26), the ThreeTenABP project adapts ThreeTen-Backport (mentioned above). See How to use ThreeTenABP….
The Thre...
Difference between SurfaceView and View?
...
Official detail answer: developer.android.com/guide/topics/graphics/2d-graphics.html
– Helin Wang
Mar 18 '14 at 16:07
...
List of Delphi language features and version in which they were introduced/deprecated
...tom managed records
Nullable types
Support for macOS 64-bit
Support for Android 64-bit
Delphi 10.3
The 64-bit Linux compiler no longer uses ARC, it instead uses the default manual managed, which is the same as in the Windows compiler. This makes porting code from Windows or OSX to linux much ...