BMI源代码程序免费下载

package com.Ctz; import java.text.DecimalFormat; import java.text.NumberFormat; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.RadioButton; import android.widget.TextView; public class Bmi_tz extends Activity { private EditText field_height; private RadioButton rb1; private RadioButton rb2; private String sex=""; private TextView view_result; private String weight=""; private Button button_save; /** Called when the activity is first created. */ @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.main); findView(); OnClickListener(); } private void OnClickListener() { // TODO Auto-generated method stub button_save.setOnClickListener(calcBMI); } private void findView() { // TODO Auto-generated method stub field_height = (EditText) findViewById(R.id.et1); button_save=(Button)findViewById(R.id.button01); rb1 = (RadioButton) findViewById(R.id.rbutton1); rb2 = (RadioButton) findViewById(R.id.rbutton2); view_result = (TextView) findViewById(R.id.result); } private Button.OnClickListener calcBMI = new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub NumberFormat nf = new DecimalFormat("0.00"); double height = Double.parseDouble(field_height.getText().toString()); if (rb1.isChecked()) { sex = " 男性"; weight = nf.format((height - 80) * 0.7); } else { sex = "女性"; weight = nf.format((height - 70) * 0.6); } view_result.setText("你是一位" + sex + "身高" + height + "厘米\n你的标准体重是" + weight + "公斤"); } }; }