Android SDK IDE configuration (cannot highlight all instances of a variable)

Question

In the Android SDK IDE, in the code view, if we bring the typing pointer at the location of a variable, all the other references to that variable gets highlighted, as shown

For some reason, this has stopped happening in my computer. It was enabled by default before, but suddenly it stopped happing, and I have no idea what caused it. If I hover the mouse pointer over a variable or class name it just shows the tooltip window, and if I bring the typing pointer at the variable's location then nothing happens. What is the name for this highlighting feature, and how do I re-enable it?

Incidentally, how do I view my android sdk version? The About ADT button says Build v22.0.1-685705, but the question tags here only show sdk2.1, 2.2 and 2.3, so i'm sure it hasn't reached version 22 yet. Or does this mean I have version 2.2?

Answer 1

In Eclipse, you can turn this (search highlighting) on or off by using the "Toggle Mark Occurrences (Alt + Shift + O). Visually, the control button for this looks like a yellow highlighter.

As for "SDK Version"... in Eclipse, go to Window > Android SDK Manager. This opens up a window with several details related to your SDK version and supported libraries, files, etc. Near the top, you should see Tools > Android SDK Tools. Your version might be 22.0.5 (as an example). This is the SDK Tools revision number. You should keep it up-to-date periodically throughout the year (check monthly if you wish).

The SDK Tools version number (22.0.5) does not mean "2.2" - this 2.2 number refers to the Android API version..

Please see this google link for a correlation between SDK Version and API version. The AndroidManifest calls it "minSdkVersion" so i can see where this can be confusing.