android体重计算器

这个代码实现了男女BMI值的计算，给出了改善意见。但是还有不完善的地方，希望多给意见

/* AUTO-GENERATED FILE.  DO NOT MODIFY.
 *
 * This class was automatically generated by the
 * aapt tool from the resource data it found.  It
 * should not be modified by hand.
 */

package dabian.Calculator;

public final class R {
    public static final class attr {
    }
    public static final class drawable {
        public static final int beij=0x7f020000;
        public static final int beijing=0x7f020001;
        public static final int blue2=0x7f020002;
        public static final int exit=0x7f020003;
        public static final int huo=0x7f020004;
        public static final int icon=0x7f020005;
        public static final int paper=0x7f020006;
        public static final int phone=0x7f020007;
        public static final int red=0x7f020008;
        public static final int rounded_edittext=0x7f020009;
        public static final int rounded_edittext_states=0x7f02000a;
        public static final int rounded_focused=0x7f02000b;
        public static final int yellow=0x7f02000c;
    }
    public static final class id {
        public static final int bt2=0x7f050008;
        public static final int rb1=0x7f050003;
        public static final int rb2=0x7f050002;
        public static final int result=0x7f05000b;
        public static final int rg_gender=0x7f050001;
        public static final int shengao=0x7f050005;
        public static final int suggest=0x7f05000c;
        public static final int tizhong=0x7f050007;
        public static final int tuneoff=0x7f050009;
        public static final int tuneup=0x7f05000a;
        public static final int tv0=0x7f050000;
        public static final int tv1=0x7f050004;
        public static final int tv2=0x7f050006;
    }
    public static final class layout {
        public static final int main=0x7f030000;
        public static final int phone=0x7f030001;
        public static final int result=0x7f030002;
    }
    public static final class string {
        public static final int about=0x7f040004;
        public static final int app_name=0x7f040001;
        public static final int exit=0x7f040003;
        public static final int hello=0x7f040000;
        public static final int phone=0x7f040005;
        public static final int result=0x7f040002;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2012-01-12 09:04  healthCalculatorfinal\
     文件         280  2012-01-05 11:18  healthCalculatorfinal\.classpath
     文件         857  2012-01-11 18:09  healthCalculatorfinal\.project
     文件        1244  2012-01-11 08:59  healthCalculatorfinal\AndroidManifest.xml
     目录           0  2012-01-12 09:04  healthCalculatorfinal\assets\
     目录           0  2012-01-12 11:49  healthCalculatorfinal\bin\
     文件        9820  2012-01-12 11:49  healthCalculatorfinal\bin\classes.dex
     目录           0  2012-01-12 10:24  healthCalculatorfinal\bin\dabian\
     目录           0  2012-01-12 10:24  healthCalculatorfinal\bin\dabian\Calculator\
     文件         927  2012-01-12 11:41  healthCalculatorfinal\bin\dabian\Calculator\HealthCalculatorActivity$1$1.class
     文件        3689  2012-01-12 11:48  healthCalculatorfinal\bin\dabian\Calculator\HealthCalculatorActivity$1.class
     文件        3007  2012-01-12 11:48  healthCalculatorfinal\bin\dabian\Calculator\HealthCalculatorActivity.class
     文件        1744  2012-01-12 11:48  healthCalculatorfinal\bin\dabian\Calculator\phoneActivity$1.class
     文件        1548  2012-01-12 11:48  healthCalculatorfinal\bin\dabian\Calculator\phoneActivity.class
     文件         337  2012-01-12 11:49  healthCalculatorfinal\bin\dabian\Calculator\R$attr.class
     文件         781  2012-01-12 11:49  healthCalculatorfinal\bin\dabian\Calculator\R$drawable.class
     文件         730  2012-01-12 11:49  healthCalculatorfinal\bin\dabian\Calculator\R$id.class
     文件         450  2012-01-12 11:49  healthCalculatorfinal\bin\dabian\Calculator\R$layout.class
     文件         540  2012-01-12 11:49  healthCalculatorfinal\bin\dabian\Calculator\R$string.class
     文件         524  2012-01-12 11:49  healthCalculatorfinal\bin\dabian\Calculator\R.class
     文件        2780  2012-01-12 11:48  healthCalculatorfinal\bin\dabian\Calculator\ResultActivity.class
     文件     1811643  2012-01-12 11:49  healthCalculatorfinal\bin\healthCalculatorfinal.apk
     文件     1804054  2012-01-12 11:49  healthCalculatorfinal\bin\resources.ap_
     文件         362  2012-01-05 11:18  healthCalculatorfinal\default.properties
     目录           0  2012-01-12 09:04  healthCalculatorfinal\gen\
     目录           0  2012-01-12 09:04  healthCalculatorfinal\gen\dabian\
     目录           0  2012-01-12 09:04  healthCalculatorfinal\gen\dabian\Calculator\
     文件        2302  2012-01-12 11:49  healthCalculatorfinal\gen\dabian\Calculator\R.java
     文件        1248  2012-01-05 11:18  healthCalculatorfinal\proguard.cfg
     目录           0  2012-01-12 09:04  healthCalculatorfinal\res\
     目录           0  2012-01-12 09:04  healthCalculatorfinal\res\drawable-hdpi\
............此处省略30个文件信息