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How to delete a file from SD card?
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Change for Android 4.4+
Apps are not allowed to write (delete, modify ...) to external storage except to their package-specific directories.
As Android documentation states:
"Apps must not be allowed to write to secondary external storage
dev...
#ifdef replacement in the Swift language
..."#if/#else/#endif" preprocessor macros (although more constrained), as per Apple docs. Here's an example:
#if DEBUG
let a = 2
#else
let a = 3
#endif
Now, you must set the "DEBUG" symbol elsewhere, though. Set it in the "Swift Compiler - Custom Flags" section, "Other Swift Flags" line. You...
Rails - Could not find a JavaScript runtime?
...was a bit hairy as this didn't fix it right away and I was also trying new apps with 3.0.9 and 3.0.4 but got (different) errors with them. Finally I did a new app again - and also got rails rc5 with it and added the rubytheracer and did a bunlde update and finally I can get the server up and running...
What does addChildViewController actually do?
...2011 videos and Mr. View Controller, Bruce D. Nilo, said this:
viewWillAppear:, viewDidAppear:, etc have nothing to do with addChildViewController:. All that addChildViewController: does is to say "This view controller is a child of that one" and it has nothing to do with view appearance. When t...
How can I send an email by Java application using GMail, Yahoo, or Hotmail?
Is it possible to send an email from my Java application using a GMail account? I have configured my company mail server with Java app to send email, but that's not going to cut it when I distribute the application. Answers with any of using Hotmail, Yahoo or GMail are acceptable.
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support FragmentPagerAdapter holds reference to old fragments
...oads the current page, and the one to the left and right.
If you put your app into the background, the fragments that have been added to the fragment manager are saved automatically. Even if your app is killed, this information is restored when you relaunch your app.
Now consider that you have vie...
Android - Start service on boot
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Well here is a complete example of an AutoStart Application
AndroidManifest file
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="pack.saltriver" android:versionCode="1" android:versionName=...
Font size of TextView in Android application changes on changing font size from native settings
I want to specify my own text size in my application, but I am having a problem doing this.
14 Answers
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Gradle: Execution failed for task ':processDebugManifest'
...ror returned actually because I had a duplicated meta data tag pulling the application ID from strings.xml for use with parse. No parse related errors but that meta data caused the crash, I actually didnt see this error detail until I opened the gradle console tab in android studio v. 2.1.1
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Visual List of iOS Fonts?
I am looking for a list of iOS Fonts for iOS 7. I have found the list on Apple's developer site, I am just wondering if anyone knows of a visual list where each font name is typed out in its typeface. I have seen one or two before, but the latest one I have seen was for iOS 5, and much more has be...