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cancelling a handler.postdelayed process

...dler.postDelayed() to create a waiting period before the next stage of my app takes place. During the wait period I am displaying a dialog with progress bar and cancel button. ...
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How to programmatically take a screenshot on Android?

...s", now); try { // image naming and path to include sd card appending name you choose for file String mPath = Environment.getExternalStorageDirectory().toString() + "/" + now + ".jpg"; // create bitmap screen capture View v1 = getWindow().getDecorView().getRoo...
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Cookie overflow in rails application?

...ation rake db:migrate Modify config/initializers/session_store.rb from (App)::Application.config.session_store :cookie_store, :key => 'xxx' to (App)::Application.config.session_store :active_record_store Once you’ve done the three steps, restart your application. Rails will now use the...
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Facebook Android Generate Key Hash

Trying to create an android app with Facebook integration, I've gotten to the part in the docs where you have to generate a key hash file, it specifies to run the following code ...
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Django: Why do some model fields clash with each other?

..._digits=5) animal = models.ForeignKey( Animal, related_name="%(app_label)s_%(class)s_related") class Meta: abstract = True class Height(Value): pass class Weigth(Value): pass class Length(Value): pass No clash here, but related_name is defined once and Djang...
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Programmatically scroll a UIScrollView

...finger flick. Basically my code works in a way similar to the iPhone photo app. Now, is there a way that I can programmatically do the same thing so that I end up with a slideshow that runs on its own with a click of a button and a configurable pause between each scroll? ...
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How to get the Full file path from URI

...ic file, but if i do it like the MediaStore Solution, it won't work if the app user selects eg Astro as browser, instead of Music Player. How do I solve this? ...
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求助!关于拓展模块NotificationStyle的demo运行时报错的问题 - App Invent...

...ificationStyle.html 结果无论点什么按键都会报错: edu.mit.appinventor.aicompanion3: Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be specified when creating a PendingIntent. Strongly consider using FLAG_IMMUTABLE, only use FLAG_MUTABLE if so...
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How to display count of notifications in app launcher icon [duplicate]

...hout custom launchers and touch interfaces) does not allow changing of the application icon, because it is sealed in the .apk tightly once the program is compiled. There is no way to change it to a 'drawable' programmatically using standard APIs. You may achieve your goal by using a widget instead o...
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When do we need curly braces around shell variables?

... # use the variable ${var} # same as above ${var}bar # expand var, and append "bar" too $varbar # same as ${varbar}, i.e expand a variable called varbar, if it exists. This has confused me sometimes - in other languages we refer to the variable in the same way, regardless of whether it's on ...