In some cases, you may need to create a broadcast receiver that can still run in the background after the Android app exits. This example will just tell you how to do that using a broadcast receiver and Android service object.
Android Keep Broadcast Receiver Running After Application Exit Read More »
This example will tell you how to use the android Seekbar to adjust the screen brightness. This example only takes effect on real physical android device, it will not take effect in the android emulator.
Android Change Screen Brightness Use Seekbar Example Read More »
This example will show you how to change the android device screen brightness programmatically. You can only see the effect with this example on a real physical android device, if you run it in an android emulator, it will not take effect.
Android Change Screen Brightness Programmatically Example Read More »
When you write an android app, you sometimes may need to change system settings. For example, change the android device screen brightness. But such action needs your app to have android.permission.WRITE_SETTINGS permission, otherwise you may encounter the exception with the message java.lang.SecurityException: com.dev2qa.example was not granted this permission: android.permission.WRITE_SETTINGS.
How To Grant Write Settings Permission In Android Read More »
In the previous article, we have learned how to dynamically register and unregister the android broadcast receivers in java code. This example will show you how to register the android broadcast receiver statically in the android manifest XML file.
How To Register Android BroadcastReceiver Statically Read More »
This example will show you how to dynamically register/unregister broadcast receivers in android activity. You can read the article Android Broadcast Overview to learn basic concepts about android broadcast if you need.
How To Register BroadcastReceiver In Android Activity Read More »
Android applications use broadcasts to communicate with each other. Broadcasts can be sent by either the android system or other applications. Each android application can register it’s interesting broadcast, then it will only receive the interested broadcasts that have been registered.
Android Broadcast Overview Read More »
This example shows you how to implement a simple news app use RecyclerView, Fragment, Qualifier, PercentRelativeLayout etc. If you do not know how to use those android widget, you can read previous articles about them. I will list all the related article at the end of this example.
Simple Android News App Compatible With Phones and Tablets Read More »
FlexboxLayout is a google open source project. It’s aimed to implement a CSS3 Flexbox style sheet which is used to define a scalable box model layout.
Android Flexbox Layout Example Read More »
There are a lot of android devices with different screen sizes and resolutions. This article will tell you how to make an android program load layout files dynamically based on the device’s screen resolution or size at run time.
How To Support Multiple Screen Size In Android Read More »
