android-resources - w3toppers.com

What is the use of the res/values/public.xml file on Android?

The file res/values/public.xml is used to assign fixed resource IDs to Android resources. Consider these set of string resources in res/values/strings.xml: <?xml version=”1.0″ encoding=”utf-8″?> <resources> <string name=”string1″>String 1</string> <string name=”string3″>String 3</string> </resources> The Android Asset Packaging Tool (aapt) might assign the following resource IDs for these resources when the app is compiled: public final class … Read more

getString Outside of a Context or Activity

Yes, we can access resources without using `Context` You can use: Resources.getSystem().getString(android.R.string.somecommonstuff) … everywhere in your application, even in static constants declarations. Unfortunately, it supports the system resources only. For local resources use this solution. It is not trivial, but it works.

Duplicate value for resource ‘attr/font’ with config “

It may the concept that makes conflicts with the logic that we have previously used for apply Custom fonts. Previously We have used below code for creating the custom attribute for the font. <declare-styleable name=”CustomFont”> <attr name=”font” format=”string” /> </declare-styleable> What I change In my case, this was the issue and I have resolved it … Read more

When should I use the assets as opposed to raw resources in Android?

The main differences between the raw folder and the assets folder. Since raw is a subfolder of Resources (res), Android will automatically generate an ID for any file located inside it. This ID is then stored in the R class that will act as a reference to a file, meaning it can be easily accessed … Read more

setText fails to show a number as text in a TextView

The problem is with lines like this addAmount.setText(aAmt); where aAmt is an int. This looks for a resource with the id of whatever aAmt is. You need to cast it to a String first like addAmount.setText(String.valueOf(aAmt)); There are overloaded setText() methods. See the docs This post goes into some more detail as to how this … Read more

How to get access to raw resources that I put in res folder?

For raw files, you should consider creating a raw folder inside res directory and then call getResources().openRawResource(resourceName) from your activity.

How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn’t create icon: StatusBarIcon

What was happening was, I was including the integer reference to the icon in the PendingIntent bundle, and that integer was later being referenced while being posted to the NotificationManager. In between getting the integer reference and the pending intent going off, the app was updated and all of the drawable references changed. The integer … Read more

Programmatically change the value of a color resource obtained from API response

You can create a class which extends Resources and override the methods getColor(int) and getColor(int, Theme). Example: colors.xml <?xml version=”1.0″ encoding=”utf-8″?> <resources> <color name=”your_special_color”>#FF0099CC</color> </resources> Res.java public class Res extends Resources { public Res(Resources original) { super(original.getAssets(), original.getDisplayMetrics(), original.getConfiguration()); } @Override public int getColor(int id) throws NotFoundException { return getColor(id, null); } @Override public int … Read more

How does the mapping between android resources and resources ID work?

At build time, the aapt tool collects all of the resources you have defined (though separate files or explicit definitions in files) and assigns resource IDs to them. A resource ID is a 32 bit number of the form: PPTTNNNN. PP is the package the resource is for; TT is the type of the resource; … Read more

Android XML Percent Symbol

The Android Asset Packaging Tool (aapt) has become very strict in its latest release and is now used for all Android versions. The aapt-error you’re getting is generated because it no longer allows non-positional format specifiers. Here are a few ideas how you can include the %-symbol in your resource strings. If you don’t need … Read more