android开发入门与实践源代码

				
				
				public final class R {
				    public static final class attr {
				    }
				    public static final class drawable {
				        public static final int icon=0x7f020000;
				    }
				    public static final class id {
				        public static final int button1=0x7f050002;
				        public static final int button2=0x7f050003;
				        public static final int button3=0x7f050000;
				        public static final int button4=0x7f050001;
				    }
				    public static final class layout {
				        public static final int activity1=0x7f030000;
				        public static final int activity2=0x7f030001;
				        public static final int main=0x7f030002;
				    }
				    public static final class string {
				        public static final int app_name=0x7f040001;
				        public static final int hello=0x7f040000;
				    }
				}