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Make Custom Android Launcher

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There are thousands of Android Launcher available in Play Store. Each and every Android mobile user loves to customize their mobile with different Android Launcher. If you want to develop your own launcher, this post helps you to fulfill your wish. In this post, you will find a demo launcher with layout and code which include many features like Drag & Drop , rearrange the installed application, change the background wallpaper etc. Here is an example of demo launcher which display all the installed applications in 3*3 Grid View format compatible to all devices. First of all we need to find all the installed applications from device so we should implement a subclass of AsyncTaskLoader that loads the currently installed applications from the package manager. If you want to display all the installed applications in  List View you can use official Android Developer reference .
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Android Layouts

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There are two ways to create Layout. Layouts in XML Layouts in Code
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Introduction to Android

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In Android, visual components are called Views . The resources for an Android project are stored in the /res folder of your project hierarchy, which includes layout, values, and a series of drawable sub-folders. The ADT plug-in interprets these resources to provide design-time access to them through the R variable. Dalvik Debug Monitoring Service (DDMS) :  Use to monitor and control the  services or processes of emulators. Android Debug Bridge (ADB) : A driver which provides link to virtual to physical devices. Logcat : Used to view the processes  of android logging system. Android Asset Packaging Tool (AAPT) : Used to generate .apk file.
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