package com.example.ex_templete;
站在用戶的角度思考問題,與客戶深入溝通,找到翠屏網(wǎng)站設(shè)計(jì)與翠屏網(wǎng)站推廣的解決方案,憑借多年的經(jīng)驗(yàn),讓設(shè)計(jì)與互聯(lián)網(wǎng)技術(shù)結(jié)合,創(chuàng)造個(gè)性化、用戶體驗(yàn)好的作品,建站類型包括:做網(wǎng)站、成都網(wǎng)站建設(shè)、企業(yè)官網(wǎng)、英文網(wǎng)站、手機(jī)端網(wǎng)站、網(wǎng)站推廣、國際域名空間、網(wǎng)站空間、企業(yè)郵箱。業(yè)務(wù)覆蓋翠屏地區(qū)。
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;
import com.example.ex_templete.R;
public class Bmi extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initUI();
}
private void initUI() {
// Listen for button clicks
Button button = (Button) findViewById(R.id.submit);
button.setOnClickListener(calcBMI);
fieldheight = (EditText) findViewById(R.id.height);
fieldweight = (EditText) findViewById(R.id.weight);
result = (TextView) findViewById(R.id.result);
fieldsuggest = (TextView) findViewById(R.id.suggest);
}
private OnClickListener calcBMI = new OnClickListener() {
@Override
public void onClick(View v) {
DecimalFormat nf = new DecimalFormat("0.00");
double height = Double
.parseDouble(fieldheight.getText().toString()) / 100;
double weight = Double
.parseDouble(fieldweight.getText().toString());
double BMI = weight / (height * height);
result.setText("Your BMI is " + nf.format(BMI));
// Give health advice
if (BMI > 25) {
fieldsuggest.setText("太肥啦");
} else if (BMI < 20) {
fieldsuggest.setText("很骨感");
} else {
fieldsuggest.setText("身材不錯(cuò)");
}
}
};
private EditText fieldheight;
private EditText fieldweight;
private TextView result;
private TextView fieldsuggest;
}
xml中只需要兩個(gè)editText,兩個(gè)textview,一個(gè)按鈕即可
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.ex_templete.MainActivity" >
<Button
android:id="@+id/submit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="134dp"
android:text="提交" />
<EditText
android:id="@+id/height"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:ems="10" />
<EditText
android:id="@+id/weight"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/height"
android:layout_below="@+id/height"
android:layout_marginTop="28dp"
android:ems="10" >
<requestFocus />
</EditText>
<TextView
android:id="@+id/result"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/weight"
android:layout_below="@+id/weight"
android:layout_marginTop="30dp"
android:text="Large Text"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:id="@+id/suggest"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/result"
android:layout_below="@+id/result"
android:layout_marginTop="25dp"
android:text="Large Text"
android:textAppearance="?android:attr/textAppearanceLarge" />
</RelativeLayout>
新聞名稱:重構(gòu)Refactor的小例子
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