身高体重计量器

来源：互联网发布：程序员论坛排名编辑：程序博客网时间：2024/04/29 21:58

<span style="font-family: Arial, Helvetica, sans-serif;"></span><pre name="code" class="plain">

activity_show.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"     android:background="@android:color/holo_green_light">    <TextView     android:id="@+id/tvResult"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="10dip"    android:textSize="20dip"/></LinearLayout>

activity_main.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" >        <LinearLayout         android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:orientation="horizontal"        android:layout_marginTop="20dip"        android:gravity="center_horizontal"        >                <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="个人标准身高计算器"            android:textSize="22dip"            android:textStyle="bold"            ></TextView>            </LinearLayout>    <LinearLayout         android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:orientation="horizontal"        android:layout_marginTop="10dip"        >                <TextView             android:layout_width="120dip"            android:layout_height="wrap_content"            android:text="请输入你的身高："            android:layout_marginLeft="5dip"/>        <EditText             android:layout_width="150dip"            android:id="@+id/etWeight"            android:layout_height="wrap_content"            android:inputType="number"/>        <TextView             android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="cm"/>    </LinearLayout>        <LinearLayout         android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:orientation="horizontal">        <TextView             android:layout_width="120dip"            android:layout_height="wrap_content"            android:text="请选择你的性别："            android:layout_marginLeft="5dip"/>        <CheckBox             android:id="@+id/chMan"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="男"/>        <CheckBox             android:id="@+id/chWoman"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="女"/>    </LinearLayout>        <LinearLayout         android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:orientation="horizontal"        android:gravity="center_horizontal">                <Button            android:layout_marginTop="20dip"             android:layout_width="200dip"            android:layout_height="wrap_content"            android:id="@+id/buCalculator"            android:text="运算"/>    </LinearLayout>   </LinearLayout>

MainActivity

package com.example.heightcalculatorpro;import android.os.Bundle;import android.app.Activity;import android.content.Intent;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.CheckBox;import android.widget.EditText;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends Activity {private Button buCalculator;private CheckBox chWoman;private CheckBox chMan;private EditText etWeight;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        buCalculator = (Button) findViewById(R.id.buCalculator);              chWoman = (CheckBox) findViewById(R.id.chWoman);        chMan = (CheckBox) findViewById(R.id.chMan);        etWeight = (EditText) findViewById(R.id.etWeight);                buCalculator.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubresult();}});            }        public void result(){    double high = Double.parseDouble(etWeight.getText().toString());    double standardWeight = 0;    String sex = null;    if(!etWeight.getText().toString().equals("")){    if(chMan.isChecked()){        standardWeight = (high-80)*0.7;        sex = "男";        }else if(chWoman.isChecked()){        standardWeight =(high-70)*0.6;        sex = "女";        }else{        Toast.makeText(MainActivity.this, "请选择性别", Toast.LENGTH_LONG);        }    }else{    Toast.makeText(MainActivity.this, "请输入身高", Toast.LENGTH_LONG);    }        Intent intent = new Intent();Bundle bundle = new Bundle();bundle.putDouble("high", high);bundle.putDouble("standardWeight",standardWeight);bundle.putString("sex",sex);intent.putExtras(bundle);intent.setClass(this, ShowActivity.class);startActivity(intent);        }        }

ShowActivity

package com.example.heightcalculatorpro;import android.app.Activity;import android.os.Bundle;import android.widget.TextView;public class ShowActivity extends Activity{private TextView tvResult;@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.activity_show);Bundle bundle = getIntent().getExtras();String sex = bundle.getString("sex");double high = bundle.getDouble("high");double standardWeight = bundle.getDouble("standardWeight");tvResult = (TextView) findViewById(R.id.tvResult);tvResult.setText("你是一位"+sex+"性\n你的身高是"+high+"\n你的标准体重是"+Math.abs(standardWeight));}}

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