After building an Android project with Android Studio, what is the purpose of generating R.java as follows? package com.intelstar.venus; public final class R { public static final class attr { } public static final class drawable { public static final int icon=0x7f020000; } public static final class layout { public static final int main=0x7f030000; } public static final class string { public static final int app_name=0x7f040000; } }

Question:After building an Android project with Android Studio, what is the purpose of generating R.java as follows? package com.intelstar.venus; public final class R { public static final class attr { } public static final class drawable { public static final int icon=0x7f020000; } public static final class layout { public static final int main=0x7f030000; } public static final class string { public static final int app_name=0x7f040000; } }

1.R class is used for the linking of the resource into the source code

2.R class is the meta-codes for the building of the project

3.R class is the extension file that can be edited later for the source upgrading

4.R class is a meta class that the resources were built

Answer:1