家庭记账本app进度之下拉框和数字转轮的相关应用

<?xml version="1.0" encoding="utf-8"?>
　　<resources>
　　    <string-array name="city">
　　        <item>丰台区</item>
　　        <item>石景山区</item>
　　        <item>海淀区</item>
　　        <item>漳州市</item>
　　        <item>朝阳区</item>
　　    </string-array>
　　</resources>

package com.example.myapplicationhome;
import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.NumberPicker;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Spinner;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    private NumberPicker mNumPickerAge;
    private Button mBtnOk;
    private TextView mTxtR,mTxtAge;
    private Spinner mSpnSex;
    private String msSex;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mTxtAge=(TextView)findViewById(R.id.txtAge);
        mTxtAge.setText("25");

        mNumPickerAge=(NumberPicker)findViewById(R.id.numPickerAge);

        mNumPickerAge.setMinValue(0);
        mNumPickerAge.setMaxValue(200);
        mNumPickerAge.setValue(25);

        mNumPickerAge.setOnValueChangedListener(numPickerAgeOnValueChange);

        mBtnOk=(Button)findViewById(R.id.btnOk);
        mTxtR=(TextView)findViewById(R.id.txtR);

        mBtnOk.setOnClickListener(btnOkOnClick);
        mSpnSex=(Spinner)findViewById(R.id.spnSex);
        mSpnSex.setOnItemSelectedListener(spnSexOnItemSelected);

    }

    private View.OnClickListener btnOkOnClick =new View.OnClickListener(){
        @Override
        public void onClick(View v) {
            int iAge=mNumPickerAge.getValue();
            String strSug=getString(R.string.result);

            if(msSex.equals(getString(R.string.sex_male)))
            {
                if(iAge<28)
                    strSug+=getString(R.string.sug_not_hurry);
                else if(iAge>33)
                    strSug+=getString(R.string.sug_get_married);
                else
                    strSug+=getString(R.string.sug_find_couple);
            }
            else
            {
                if(iAge<25)
                    strSug+=getString(R.string.sug_not_hurry);
                else if(iAge>30)
                    strSug+=getString(R.string.sug_get_married);
                else
                    strSug+=getString(R.string.sug_find_couple);
            }
            mTxtR.setText(strSug);
        }
    };

    private AdapterView.OnItemSelectedListener spnSexOnItemSelected=new AdapterView.OnItemSelectedListener() {
        @Override
        public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
            msSex=parent.getSelectedItem().toString();
        }

        @Override
        public void onNothingSelected(AdapterView<?> parent) {

        }
    };
    private NumberPicker.OnValueChangeListener numPickerAgeOnValueChange=new NumberPicker.OnValueChangeListener() {
        @Override
        public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
            mTxtAge.setText(String.valueOf(newVal));
        }
    };
}

<resources>
    <string name="app_name">婚姻建议程序</string>
    <string name="sex">性别：</string>
    <string name="age">年龄：</string>
    <string name="btn_ok">确定</string>
    <string name="result">最终诊断结果：</string>
    <string name="edt_age_hint">（输入年龄）</string>
    <string name="sug_not_hurry">还不急</string>
    <string name="sug_get_married">你废了！</string>
    <string name="sug_find_couple">开始找对象。</string>
    <string name="sex_male">男</string>
    <string-array name="sex_list">
        <item>男</item>
        <item>女</item>
    </string-array>
    <string name="spn_sex_list_prompt">请选择性别</string>

</resources>

<?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"
    android:orientation="vertical"
    tools:context=".MainActivity" >

    <TextView
        android:id="@+id/sex"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/sex"
        android:textSize="25sp" />
    <Spinner
        android:id="@+id/spnSex"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:entries="@array/sex_list"
        android:spinnerMode="dialog"
        android:prompt="@string/spn_sex_list_prompt" />
    <TextView
        android:id="@+id/age"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/age"
        android:textSize="25sp" />
    <TextView
        android:id="@+id/txtAge"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="0"
        android:textSize="25sp" />
    <NumberPicker
        android:id="@+id/numPickerAge"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="left" />
    <Button
        android:id="@+id/btnOk"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:background="#4CAF50"
        android:text="@string/btn_ok" />

    <TextView
        android:id="@+id/txtR"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/result"
        android:textSize="25sp" />
</LinearLayout>