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Android: Storing username and password?

If I want to store the username and password to be used inside an Android application, what is the best way to do it? Is it through the preferences screen (but what if the user misses this?), or pop up a dialog box and ask the user for the credentials? If so, I do have to maintain state for the appl...
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if a ngSrc path resolves to a 404, is there a way to fallback to a default?

The application I'm building requires my user to set 4 pieces of information before this image even has a chance of loading. This image is the center-piece of the application, so the broken image link makes it look like the whole thing is borked. I'd like to have another image take its place on a 4...
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How do I use JDK 7 on Mac OSX?

... Note that in order to make applications use Oracle's Java 1.7 in favor of Apple's Java 1.6, I had to run /Library/Java/JavaVirtualMachines/1.7.0.jdk and drag "Java SE 7" to the top of the list on the "General" tab. This will also make javac point to th...
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How to access data/data folder in Android device?

I am developing an app and I know my database *.db will appear in data/data/com.****.*** 18 Answers ...
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Dealing with “java.lang.OutOfMemoryError: PermGen space” error

Recently I ran into this error in my web application: 32 Answers 32 ...
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log4net vs. Nlog

...gging framework experience. I researched, ran through tutorials, made toy apps, etc. on Log4Net, NLog, and Enterprise Library for a few days. Came back 3-4 weeks later and put them together into a cohesive demo. Hopefully some of this is useful to you. My recommendation for our project is this: ...
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Convert JavaScript string in dot notation into an object reference

...P is asking for. However, if that's not the case, consider if any of these apply: case 1: As the primary method of working with your data (e.g. as your app's default form of passing objects around and dereferencing them). Like asking "how can I look up a function or variable name from a string"...
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Why is the Java main method static?

...vention. When you run java.exe (or javaw.exe on Windows), what is really happening is a couple of Java Native Interface (JNI) calls. These calls load the DLL that is really the JVM (that's right - java.exe is NOT the JVM). JNI is the tool that we use when we have to bridge the virtual machine wor...
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Error inflating class fragment

... As hdemirchian said, make sure to use: import android.support.v4.app.Fragment; And also make sure that the Activity that is using the fragment(s) extends FragmentActivity instead of the regular Activity, import android.support.v4.app.FragmentActivity; to get the FragmentActivity clas...
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Why do most fields (class members) in Android tutorial start with `m`?

...rce Project. It is not a style guide for the code of individual Android apps. share | improve this answer | follow | ...