Category Archives: Memory

What are weak references? How it can be used to avoid memory leaks?

By | June 1, 2017

Weak reference objects, which do not prevent their referents from being made finalizable, finalized, and then reclaimed. Weak references are most often used to implement canonicalizing mappings. Suppose that the garbage collector determines at a certain point in time that an object is weakly reachable. At that time it will atomically clear all weak references… Read More »

What is a Memory Heap Size in android? and how can use Bitmap Efficiently?

By | August 25, 2013

Memory Heap Size Android is a full multitasking system so it’s possible to run multiple programs at the same time and obviously each one can’t use all of your device memory. For this reason there is a hard limit on your Android application’s heap size: if your application needs to allocate more memory and you… Read More »

How to find your Google Plus ID

By | September 27, 2012

This is so simple 1. Go to your Google + account (https://plus.google.com/). 2. Click on the Profile icon on the Left. 3. If you look at the URL in the address bar, it should look something like this: https://plus.google.com/104653270154306099169/posts 4. The long numerical string in the URL is your Google+ ID. Here is CoderzHeaven’s from… Read More »

How to explicitly free memory in android OR Release unwanted memory in Android?

By | April 24, 2012

If you are writing memory consuming applications there is a bigger chance that your application may be running out of memory after sometime. So there are some methods in android that invokes the garbage collector explicitly. See the following function which invokes the garbage collector to free a lot of memory. A little explanation about… Read More »