안드로이드 수명 계산기 만들기, Android Develop Death Calculator

 

안드로이드 수명 계산기 만들기 XML 코드 

 

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:app="http://schemas.android.com/apk/res-auto"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    tools:context=".MainActivity">

 

    <ScrollView

        android:layout_width="match_parent"

        android:layout_height="match_parent">

 

        <LinearLayout

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:orientation="vertical"

            android:padding="10dp">

 

            <TextView

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:text="Name" />

 

            <EditText

                android:id="@+id/et_name"

                android:layout_width="match_parent"

                android:layout_height="wrap_content"

            />

            <TextView

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:text="Age" />

 

            <EditText

                android:id="@+id/et_age"

                android:layout_width="match_parent"

                android:layout_height="wrap_content"

                android:digits="0123456789"

                android:inputType="number"/>

            <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_marginTop="20dp"

            android:text="Gender" />

 

            <RadioButton

                android:id="@+id/rb_male"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:text="Male"/>

 

            <RadioButton

                android:id="@+id/rb_female"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:text="Female"/>

 

            <TextView

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_marginTop="20dp"

                android:text="Smoking" />

 

            <RadioButton

                android:id="@+id/rb_smoking_yes"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:text="YES"/>

 

            <RadioButton

                android:id="@+id/rb_smoking_no"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:text="NO"/>

 

            <TextView

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_marginTop="20dp"

                android:text="Drugs" />

 

            <RadioButton

                android:id="@+id/rb_drugs_yes"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:text="YES"/>

 

            <RadioButton

                android:id="@+id/rb_drugs_no"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:text="NO"/>

 

            <Button

                android:id="@+id/b_calculator"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_marginTop="10dp"

                android:text="CALCULATE"

                android:textSize="32sp"/>

 

            <TextView

                android:id="@+id/tv_result"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_marginTop="10dp"

                android:text=""

                android:textSize="32sp"/>

        </LinearLayout>

    </ScrollView>

</LinearLayout>

 

 

액티비티 자바 코드 (안드로이드 라디오 버튼 다루는 방법을 터특한다.)

 

package com.jwlee.deathcalculator;

 

import androidx.appcompat.app.AppCompatActivity;

 

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.RadioButton;

import android.widget.TextView;

 

import java.util.Random;

 

public class MainActivity extends AppCompatActivity {

 

    EditText et_name, et_age;

    RadioButton rb_male, rb_female, rb_smoking_yes, rb_smoking_no, rb_drugs_yes, rb_drugs_no;

    Button b_calculate;

    TextView tv_result;

    Random r;

 

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

 

        et_name = findViewById(R.id.et_name);

        et_age = findViewById(R.id.et_age);

        rb_male = findViewById(R.id.rb_male);

        rb_female = findViewById(R.id.rb_female);

        rb_smoking_yes = findViewById(R.id.rb_smoking_yes);

        rb_smoking_no = findViewById(R.id.rb_smoking_no);

        rb_drugs_yes = findViewById(R.id.rb_drugs_yes);

        rb_drugs_no = findViewById(R.id.rb_drugs_no);

        b_calculate = findViewById(R.id.b_calculator);

        tv_result =findViewById(R.id.tv_result);

 

        r= new Random();

 

        //init stuff

        et_name.setText("Android");

        et_age.setText("30");

 

        rb_male.setChecked(true);

        rb_female.setChecked(false);

 

        rb_smoking_yes.setChecked(true);

        rb_smoking_no.setChecked(false);

 

        rb_drugs_yes.setChecked(true);

        rb_drugs_no.setChecked(false);

 

        tv_result.setText("");

 

        rb_male.setOnClickListener(new View.OnClickListener(){

            @Override

            public void onClick(View v) {

                rb_male.setChecked(true);

                rb_female.setChecked(false);

 

            }

        });

 

        rb_female.setOnClickListener(new View.OnClickListener(){

            @Override

            public void onClick(View v) {

                rb_male.setChecked(false);

                rb_female.setChecked(true);

 

            }

        });

 

        rb_smoking_yes.setOnClickListener(new View.OnClickListener(){

            @Override

            public void onClick(View v) {

                rb_smoking_yes.setChecked(true);

                rb_smoking_no.setChecked(false);

 

            }

        });

 

        rb_smoking_no.setOnClickListener(new View.OnClickListener(){

            @Override

            public void onClick(View v) {

                rb_smoking_yes.setChecked(false);

                rb_smoking_no.setChecked(true);

 

            }

        });

 

        rb_drugs_yes.setOnClickListener(new View.OnClickListener(){

            @Override

            public void onClick(View v) {

                rb_drugs_yes.setChecked(true);

                rb_drugs_no.setChecked(false);

 

            }

        });

 

        rb_drugs_no.setOnClickListener(new View.OnClickListener(){

            @Override

            public void onClick(View v) {

                rb_drugs_yes.setChecked(false);

                rb_drugs_no.setChecked(true);

 

            }

        });

 

        b_calculate.setOnClickListener(new View.OnClickListener(){

            @Override

            public void onClick(View v) {

                if(!et_name.getText().toString().equals("") && !et_age.getText().toString().equals("")) {

                    //get age and set it to 20 if lower

                    int currentAge = Integer.parseInt(et_age.getText().toString());

                    if(currentAge<20){

                        currentAge = 20;

                    }

 

                    //set random seed according to the name

                    int seed = et_name.getText().toString().hashCode();

                    r.setSeed(seed);

 

                    //calculate dying age

                    int ageOfDying = r.nextInt(120-currentAge) + currentAge;

 

                    //get the human stats

                    boolean isMale = rb_male.isChecked();

                    boolean isSmoking = rb_smoking_yes.isChecked();

                    boolean isTakingDrugs = rb_drugs_yes.isChecked();

 

                    //remove years for smoking, taking drugs or being a male

 

                    if(isMale){

                        ageOfDying = ageOfDying - 5;

 

                    }

 

                    if(isSmoking) {

                        ageOfDying = ageOfDying-5;

                    }

 

                    if(isTakingDrugs){

                        ageOfDying-=5;

 

                    }

                    if(ageOfDying <= currentAge)

                        ageOfDying = currentAge + 10;

 

                    tv_result.setText("" + ageOfDying);

                }

            }

        });

 

    }

}