Java 无线组设置检查更改侦听器
我对广播组有一些问题,我是Android开发新手,所以我不知道如何处理它。这是一个表单,有一些输入字段和广播组,用于选择性别和保存按钮。 但我不知道我的radiogroup setoncheakchangelistener到底放在哪里?所以它给了我错误 主要活动:Java 无线组设置检查更改侦听器,java,android,xml,radio-button,radio-group,Java,Android,Xml,Radio Button,Radio Group,我对广播组有一些问题,我是Android开发新手,所以我不知道如何处理它。这是一个表单,有一些输入字段和广播组,用于选择性别和保存按钮。 但我不知道我的radiogroup setoncheakchangelistener到底放在哪里?所以它给了我错误 主要活动: package com.dietandroidproject; import Databasedata.Person; import android.app.Activity; import android.os.Bundle; i
package com.dietandroidproject;
import Databasedata.Person;
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.RadioGroup;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final RadioGroup genderselected = (RadioGroup) findViewById(R.id.selectgender);
genderselected.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup arg0, int selectedId) {
selectedId=genderselected.getCheckedRadioButtonId();
RadioButton genderchoosed = (RadioButton) findViewById(selectedId);
String gender = genderchoosed.getText().toString();
}
});
Button saveinformation = (Button) findViewById(R.id.saveinformation);
saveinformation.setOnClickListener(new View.OnClickListener() {
EditText weighttext = (EditText) findViewById(R.id.weighttext);
EditText heighttext = (EditText) findViewById(R.id.heighttext);
EditText usernametext = (EditText) findViewById(R.id.usernametext);
EditText agetext = (EditText) findViewById(R.id.agetext);
Spinner activitytext = (Spinner) findViewById(R.id.chooseactivity);
Button saveinformation = (Button) findViewById(R.id.saveinformation);
String pa = activitytext.getSelectedItem().toString();
@Override
public void onClick(View v) {
int weight = (int) Float.parseFloat(weighttext.getText()
.toString());
int height = (int) Float.parseFloat(heighttext.getText()
.toString());
String username = usernametext.getText().toString();
int age = (int) Float.parseFloat(agetext.getText().toString());
TextView genderchoosed = (TextView) findViewById(genderselected
.getCheckedRadioButtonId());
String gender = genderchoosed.getText().toString();
String pa = activitytext.getSelectedItem().toString();
//BMI==========================================================
int Bmivalue = calculateBMI(weight, height);
String bmiInterpretation = interpretBMI(Bmivalue);
float idealweight = idealweight(weight, height, gender, pa, age);
double dailycalories=dailycalories(weight,height,gender,pa,age);
//insert data in to db===================================================
Person person = new Person();
person.setUsername(username);
person.setHeight(height);
person.setWeight(weight);
person.setAge(age);
person.setGender(gender);
person.setPa(pa);
person.setBmivalue(Bmivalue);
person.setBmiInterpretation(bmiInterpretation);
person.setIdealweight(idealweight);
person.setDailycalories(dailycalories);
Databasedata.DatabaseAdapter dbAdapter = new Databasedata.DatabaseAdapter(
MainActivity.this);
dbAdapter.insertPerson(person);
Toast.makeText(getApplicationContext(),
Bmivalue + "and you are" + bmiInterpretation,
Toast.LENGTH_LONG).show();
}
});
}
//BMI FUNCTION===============================================
private int calculateBMI(int weight, int height) {
return (int) (weight / (height * height));
};
private String interpretBMI(int Bmivalue) {
if (Bmivalue < 18.5) {
return "Underweight";
} else if (Bmivalue < 25) {
return "Normal";
} else if (Bmivalue < 30) {
return "Overweight";
} else {
return "Obese";
}
}
//IDEAL WEIGHT========================================
private float idealweight(int weight, int height, String gender, String pa,
int age) {
float x = (float) 0.0;
int bmi;
bmi = idealbmi(age);
x = bmi * (height * height);
return x;
}
public int idealbmi(int age) {
int bmi = 0;
if (age > 17 && age <= 19) {
bmi = 21;
}
if (age > 19 && age <= 24) {
bmi = 22;
}
if (age > 24 && age <= 34) {
bmi = 23;
}
if (age > 34 && age <= 44) {
bmi = 24;
}
if (age > 44 && age <= 54) {
bmi = 25;
}
if (age > 54 && age <= 64) {
bmi = 26;
}
if (age > 64) {
bmi = 27;
}
return bmi;
}
//DAILY CALORIES===============================================
public double suitablepa(String pa) {
double suitablepa = 0;
if (pa.equals("Highly active")) {
suitablepa = 1.48;
}
if (pa.equals("Active")) {
suitablepa = 1.25;
}
if (pa.equals("Low activity")) {
suitablepa = 1.11;
}
if (pa.equals("Sedentary")) {
suitablepa = 1;
}
return suitablepa;
}
private double dailycalories(int weight, int height, String gender,
String pa, int age) {
double dailycalori = 0;
double i;
double j;
double h;
double k;
if(gender.equals("femaleselected")){
i=9.36*weight;
j=726*height;
h=suitablepa(pa)*(i+j);
k=6.91*age;
dailycalori=354-k+h;
}else if(gender.equals("maleselected")){
i=15.91*weight;
j=539.6*height;
h=suitablepa(pa)*(i+j);
k=9.53*age;
dailycalori=662-k+h;
}
return dailycalori;
}
}
package com.dietandroidproject;
导入数据库数据;
导入android.app.Activity;
导入android.os.Bundle;
导入android.view.view;
导入android.widget.Button;
导入android.widget.EditText;
导入android.widget.RadioButton;
导入android.widget.RadioGroup;
导入android.widget.Spinner;
导入android.widget.TextView;
导入android.widget.Toast;
公共类MainActivity扩展了活动{
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
最终放射组性别选择=(放射组)findViewById(R.id.selectgender);
genderselected.setOnCheckedChangeListener(新的RadioGroup.OnCheckedChangeListener(){
@凌驾
检查更改后的公共无效(放射组arg0,int-selectedId){
selectedId=genderselected.getCheckedRadioButtonId();
RadioButton genderchoosed=(RadioButton)findViewById(selectedId);
字符串gender=genderchoosed.getText().toString();
}
});
按钮保存信息=(按钮)findViewById(R.id.saveinformation);
saveinformation.setOnClickListener(新视图.OnClickListener(){
EditText-weighttext=(EditText)findViewById(R.id.weighttext);
EditText heighttext=(EditText)findViewById(R.id.heighttext);
EditText usernametext=(EditText)findViewById(R.id.usernametext);
EditText agetext=(EditText)findViewById(R.id.agetext);
微调器活动文本=(微调器)findViewById(R.id.chooseactivity);
按钮保存信息=(按钮)findViewById(R.id.saveinformation);
字符串pa=activitytext.getSelectedItem().toString();
@凌驾
公共void onClick(视图v){
int-weight=(int)Float.parseFloat(weighttext.getText()
.toString());
int height=(int)Float.parseFloat(heighttext.getText())
.toString());
字符串username=usernametext.getText().toString();
int age=(int)Float.parseFloat(agetext.getText().toString());
TextView genderchoosed=(TextView)findViewById(genderselected
.getCheckedRadioButtonId());
字符串gender=genderchoosed.getText().toString();
字符串pa=activitytext.getSelectedItem().toString();
//体重指数==========================================================
int BMI值=计算BMI(体重、身高);
字符串bmi解释=解释bmi(bmi值);
浮动理想体重=理想体重(体重、身高、性别、pa、年龄);
双倍奶量=奶量(体重、身高、性别、pa、年龄);
//在数据库中插入数据===================================================
Person=新人();
person.setUsername(用户名);
人。设置高度(高度);
人。设定重量(重量);
人.体位(年龄);
person.setGender(性别);
人.setPa(pa);
个人价值(Bmivalue);
个人解释(BMI解释);
人.设定理想体重(理想体重);
个人。setDailycalories(dailycalories);
Databasedata.DatabaseAdapter dbAdapter=新建Databasedata.DatabaseAdapter(
主要活动(本);
dbAdapter.insertPerson(person);
Toast.makeText(getApplicationContext(),
Bmivalue+,而您是“+Bmivalue”,
Toast.LENGTH_LONG).show();
}
});
}
//体重指数函数===============================================
专用整数计算器BMI(整数重量、整数高度){
返回值(整数)(重量/(高度*高度));
};
专用字符串解释BMI(整数BMI值){
如果(BMI值<18.5){
返回“减持”;
}否则如果(BMI值<25){
返回“正常”;
}否则如果(BMI值<30){
返回“超重”;
}否则{
返回“肥胖”;
}
}
//理想重量========================================
私人浮动理想重量(整数重量、整数高度、字符串性别、字符串pa、,
智力(年龄){
浮动x=(浮动)0.0;
体重指数;
bmi=理想bmi(年龄);
x=体重指数*(身高*身高);
返回x;
}
公共国际理想BMI(国际年龄){
int bmi=0;
如果(年龄>17岁和19岁和24岁和34岁和44岁和54岁和64岁){
体重指数=27;
}
返回体重指数;
}
//每日卡路里===============================================
公共双适配pa(字符串pa){
双适配PA=0;
如果(pa.equals(“高活性”)){
合适的PA=1.48;
}
如果(pa等于(“有效”)){
合适的PA=1.25;
}
如果(pa等于(“低活性”)){
合适的PA=1.11;
}
如果(pa.equals(“久坐”)){
合适的PA=1;
}
返回合适的PA;
}
私人双人日积月累(整数重量、整数高度、字符串性别、,
字符串(pa,int年龄){
双倍dailycalori=0;
双i;
双j;
双h;
双k;
if(性别平等(“女性当选”)){
i=9.36*重量;
j=726*高度;
h=合适的pa(pa)*(i+j);
k=6.91*年龄;
dailycalori=354-k+h;
}else if(性别平等(“男性选择”)){
i=15.91*重量;
j=539.6*高度;
h=合适的pa(pa)*(i+j);
k=9.53*年龄;
dailycalori=662-k+h;
}
返回dailycalori;
}
}
XML代码
<?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:background="@drawable/backgroundmain"
android:orientation="vertical" >
<RelativeLayout
android:id="@+id/personinformation"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1.98" >
<EditText
android:id="@+id/heighttext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/usernametext"
android:layout_below="@+id/usernametext"
android:ems="10"
android:hint="Enter Your Height" >
</EditText>
<EditText
android:id="@+id/usernametext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="20dp"
android:ems="10"
android:hint="Enter Username" />
<EditText
android:id="@+id/weighttext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/heighttext"
android:layout_below="@+id/heighttext"
android:ems="10"
android:hint="Enter Your Weight" />
<EditText
android:id="@+id/agetext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/weighttext"
android:layout_below="@+id/weighttext"
android:ems="10"
android:hint="Enter Your Age" >
<requestFocus />
</EditText>
</RelativeLayout>
<View
android:layout_width="250dp"
android:layout_height="1dip"
android:layout_gravity="center"
android:layout_marginTop="20dp"
android:background="#aaa" />
<RelativeLayout
android:id="@+id/choosegender"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.78" >
<TextView
android:id="@+id/choosefemaleormale"
android:layout_width="match_parent"
android:layout_height="30dip"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginTop="10dip"
android:gravity="center"
android:text="Gender : "
android:textAlignment="center"
android:textColor="#555"
android:textSize="19sp" />
<RadioGroup
android:id="@+id/selectgender"
android:layout_width="220dip"
android:layout_height="wrap_content"
android:layout_below="@+id/choosefemaleormale"
android:layout_centerHorizontal="true"
android:orientation="horizontal" >
<RadioButton
android:id="@+id/femaleselected"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="left"
android:layout_weight="1"
android:checked="true"
android:text="female"
android:onClick="onRadioButtonClicked"
/>
<RadioButton
android:id="@+id/maleselected"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:layout_weight="1"
android:text="male"
android:onClick="onRadioButtonClicked" />
</RadioGroup>
</RelativeLayout>
<View
android:layout_width="250dp"
android:layout_height="1dip"
android:layout_gravity="center"
android:layout_marginTop="20dp"
android:background="#aaa" />
<RelativeLayout
android:id="@+id/choosepa"
android:layout_width="250dip"
android:layout_height="0dp"
android:layout_weight="1"
android:layout_gravity="center" >
<Spinner
android:id="@+id/chooseactivity"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:entries="@array/activityitems"
android:gravity="center"
android:prompt="@string/level_of_activity" />
</RelativeLayout>
<Button
android:layout_width="90dp"
android:layout_height="0dp"
android:layout_gravity="right"
android:layout_marginBottom="10dip"
android:layout_marginRight="20dp"
android:layout_weight="0.46"
android:background="@drawable/recent_foods_depressed"
android:hint="save"
android:text="save"
android:textColor="#fff"
android:textSize="20sp"
android:textStyle="bold"
android:onClick="saveinformation"
android:id="@+id/saveinformation"/>
</LinearLayout>
radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener()
{
public void onCheckedChanged(RadioGroup group, int checkedId) {
// checkedId is the RadioButton selected
RadioButton rb=(RadioButton)findViewById(checkedId);
Toast.makeText(getApplicationContext(), rb.getText(), Toast.LENGTH_SHORT).show();
}
});
RadioGroup yourRadioGroup = (RadioGroup) findViewById(R.id.radioGroup1);
yourRadioGroup.setOnCheckedChangeListener(new OnCheckedChangeListener()
{
@Override
public void onCheckedChanged(RadioGroup group, int checkedId)
{
switch(checkedId)
{
case R.id.radio0:
// TODO Something
break;
case R.id.radio1:
// TODO Something
break;
case R.id.radio2:
// TODO Something
break;
}
}
});
yourRadioGroupName.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener()
{
@Override
public void onCheckedChanged(RadioGroup group, int checkedId)
{
int idRadioButtonChosen = yourRadioGroupName.getCheckedRadioButtonId();
if(idRadioButtonChosen > 0){
radioButtonChosen = (RadioButton) findViewById(idRadioButtonChosen);
textViewOnclick.setText(radioButtonChosen.getText());
}
}
});
radioGroup.setOnCheckedChangeListener(RadioGroup.OnCheckedChangeListener { group, checkedId ->
val radio:RadioButton = group.findViewById(checkedId)
Log.e("selectedtext-->",radio.text.toString())
})
radioGroup.setOnCheckedChangeListener(RadioGroup.OnCheckedChangeListener { group, checkedId ->
var selectedId = rg.checkedRadioButtonId
val radio:RadioButton = group.findViewById(selectedId)
Log.e("selectedtext-->",radio.text.toString())
})