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Android
Its use to develop an app you can develop an android app if you know java . if you don’t know still you can learn development of an app how ? you have to learn kotlin its similar to java . Android is given by google.
What is android studio?
If we develop any software then what we need library,editor,runtime similarly Android IDE( editor + lib + runtime + compiler)
If we want to develop an app using java lang then we need to have sdk . and sdk is installed with this android studio .
JDK = compiler + lib
SDK = compiler + lib + DVM(ART)
DVM : Dummy Virtual Machine
ART : Android Run Time
Android is a software platform and also a software stack which contains lots of things and provides us facility to devlelop software . Android is linux kernel based OS.
Android is a platform or we can say software stack for initially mobile devices which contains OS , middleware application framework and key application.
Android application ,android game , android phone
Platform Architecture
https://developer.android.com/guide/platform you must learn architecture from here
To run hello world program in android studio and u need to create new project.
Give name to it and choose empty activity and when you are creating a project then choose lang to java .
You will get new project now you will have to run if gradle is succesfuly synched . you will get some problem while running this project first of all “ No target Device found”
So need to solve this issue. You have to go to tools> AVD Manager > create new virtual Device > download when you run the emulator then you will get this kind of an error.
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How to fix vt-x is disabled in bios windows 10 ?
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In Order to fix this issue you should press the shift key and click on restart the system. After that you will get one window.
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Click on troubleshoot
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Click on Advanced options
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Click on startup settings
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After click on restart press F10 continuously
Then you will get another window
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Click no
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Choose system configuration and go to virtualization Technology make I enabled with click
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Save it with F10
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