Android NetworkOnMainThreadException at StrictMode fix (with deprecated methods used)

A JSON Parser developed by some members of the Android dev team. But a few weeks after completion of the parser, several methods became deprecated. And when we use that parser, we get errors. Part of the stack trace is as follows:

Not sure if the NetworkOnMainThreadException is being thrown because of the deprecated […]

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Android/Java: get variable data type

For some reason you might need to get the data type of your Java variable. Here’s an example of what you can try:

Then do whatever you like with data_type, whose value should be “String”. 🙂

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Get device’s IMEI in Android app development

Here’s the content of my MainActivity class where I log the IMEI of my test device.

You also need to add this permission to your AndroidManifest.xml file:

Place it inside the <manifest></manifest> tag, but same level as <application></application>. Source: How to get the device’s IMEI/ESN programmatically in android?

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Android: open web page in a browser

To open a web page in an Android app, we need to create a new Intent and start a new Activity with it. Here’s a Java method that we can re-use:

Just pass the URL of the web page you’d like to open to this method. Source: How to open a website when a […]

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Java: Strings

First off, if you are in need of a good Java programming reference book, I suggest that you try Head First Java. In this blog entry, basics in Strings in Java programming will be briefly discussed. Assumption: You have already set up your Java development kit on your computer. (Environmental Variables, paths, etc…)

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