Android BMI健康计算器-IT计算机-毕业设计.zip

package com.cn.health; import java.text.DecimalFormat; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; public class mainActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button btn=(Button)findViewById(R.id.count); btn.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub double eheight;//第一个数 double eweight;//第二个数 double result;//计算结果 EditText text1;//第一个文本 EditText text2;//第二个文本 TextView ehealth;//显示计算结果的文本 TextView esuggest;//显示建议的文本 text1=(EditText)findViewById(R.id.eheight); text2=(EditText)findViewById(R.id.eweight); eheight=Double.parseDouble(text1.getText().toString()); eweight=Double.parseDouble(text2.getText().toString()); ehealth=(TextView)findViewById(R.id.ehealth); esuggest=(TextView)findViewById(R.id.esuggest); result=eweight/(eheight*eheight)*10000; DecimalFormat df=new DecimalFormat("0.0"); String s=df.format(result); ehealth.setText(s); if(result<18.5){ esuggest.setText("体重过轻，注意营养！"); }else if(18.5<=result && result<24){ esuggest.setText("恭喜你，你的体重正常，请保持！"); }else if(24<=result && result<27){ esuggest.setText("你的体重过重，还要坚持锻炼！"); }else if(27<=result && result<30){ esuggest.setText("轻度肥胖，请注意！"); }else if(30<=result && result<35){ esuggest.setText("中度肥胖，要减肥了！！"); }else{ esuggest.setText("重度肥胖，该绝食了！！！"); } } }); } }