EX03_10_1.java
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上传日期:2021-03-27
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文件大小:2k
- package irdc.ex03_10;
- /* import相关class */
- import java.text.DecimalFormat;
- import java.text.NumberFormat;
- import android.app.Activity;
- import android.os.Bundle;
- import android.widget.TextView;
- public class EX03_10_1 extends Activity
- {
- /** Called when the activity is first created. */
- @Override
- public void onCreate(Bundle savedInstanceState)
- {
- super.onCreate(savedInstanceState);
- /* 加载main.xml Layout */
- setContentView(R.layout.myalyout);
-
- /* 取得Intent中的Bundle对象 */
- Bundle bunde = this.getIntent().getExtras();
-
- /* 取得Bundle对象中的数据 */
- String sex = bunde.getString("sex");
- double height = bunde.getDouble("height");
-
- /* 判断性别 */
- String sexText="";
- if(sex.equals("M"))
- {
- sexText="男性";
- }
- else
- {
- sexText="女性";
- }
-
- /* 取得标准体重 */
- String weight=this.getWeight(sex, height);
-
- /* 设置输出文字 */
- TextView tv1=(TextView) findViewById(R.id.text1);
- tv1.setText("你是一位"+sexText+"n你的身高是"
- +height+"厘米n你的标准体重是"+weight+"公斤");
- }
-
- /* 四舍五入的method */
- private String format(double num)
- {
- NumberFormat formatter = new DecimalFormat("0.00");
- String s=formatter.format(num);
- return s;
- }
- /* 以findViewById()取得Button对象,并添加onClickListener */
- private String getWeight(String sex,double height)
- {
- String weight="";
- if(sex.equals("M"))
- {
- weight=format((height-80)*0.7);
- }
- else
- {
- weight=format((height-70)*0.6);
- }
- return weight;
- }
- }