Java 当两个日期选择器的日期相同时，如何弹出单选按钮？

我正在开发一个简单的应用程序，其中我使用了两个日期选择器，它们减去两个日期并显示结果。但我想，如果这两个日期与2017年4月6日相同，那么一旦计算出这两个日期相同，就会弹出两个单选按钮来选择全天和半天

怎么做

    public class Leave extends AppCompatActivity {

TextView date;
private DatePickerDialog datePickerDialog;
TextView date2;
//TextView setDay;
private DatePickerDialog datePickerDialog2;
TextView no_of_days;


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

    date = (TextView) findViewById(R.id.date);
    date2 = (TextView) findViewById(R.id.date2);
    //setDay = (TextView) findViewById(R.id.setDay);
    no_of_days = (TextView) findViewById(R.id.no_of_days);

    // initiate the date picker and a button
    date = (TextView) findViewById(R.id.date);
    // perform click event on edit text
    date.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            // calender class's instance and get current date , month and year from calender
            final Calendar c = Calendar.getInstance();
            int mYear = c.get(Calendar.YEAR); // current year
            int mMonth = c.get(Calendar.MONTH); // current month
            int mDay = c.get(Calendar.DAY_OF_MONTH); // current day
            // date picker dialog
            datePickerDialog = new DatePickerDialog(Leave.this,
                    new DatePickerDialog.OnDateSetListener() {

                        @Override
                        public void onDateSet(DatePicker view, int year,
                                              int monthOfYear, int dayOfMonth) {
                            // set day of month , month and year value in the edit text
                            date.setText(dayOfMonth + "/"
                                    + (monthOfYear + 1) + "/" + year);

                        }
                    }, mYear, mMonth, mDay);
            datePickerDialog.show();
        }
    });

    // initiate the date picker and a button
    date2 = (TextView) findViewById(R.id.date2);
    // perform click event on edit text
    date2.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            // calender class's instance and get current date , month and year from calender
            final Calendar c = Calendar.getInstance();
            int mYear = c.get(Calendar.YEAR); // current year
            int mMonth = c.get(Calendar.MONTH); // current month
            int mDay = c.get(Calendar.DAY_OF_MONTH); // current day
            // date picker dialog
            datePickerDialog2 = new DatePickerDialog(Leave.this,
                    new DatePickerDialog.OnDateSetListener() {

                        @Override
                        public void onDateSet(DatePicker view, int year,
                                              int monthOfYear, int dayOfMonth) {
                            // set day of month , month and year value in the edit text
                            date2.setText(dayOfMonth + "/"
                                    + (monthOfYear + 1) + "/" + year);

                        }
                    }, mYear, mMonth, mDay);
            datePickerDialog2.show();

        }
    });

    no_of_days.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            SimpleDateFormat format = new SimpleDateFormat("dd/mm/yyyy");
            String date01 = date.getText().toString();
            String date02 = date2.getText().toString();
            try {
                Date d = format.parse(date01);
                Date d1 = format.parse(date02);
                getDifferenceDays(d, d1);
            } catch (ParseException e) {
                e.printStackTrace();
            }


        }
    });

    Spinner spinner = (Spinner) findViewById(R.id.spinner);
    // Create an ArrayAdapter using the string array and a default spinner layout
    ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this,
            R.array.leave_array, android.R.layout.simple_spinner_item);
    // Specify the layout to use when the list of choices appears
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
   // Apply the adapter to the spinner
    spinner.setAdapter(adapter);
}


public class SpinnerActivity extends Activity implements AdapterView.OnItemSelectedListener {


    SpinnerActivity() throws ParseException {
    }

    public void onItemSelected(AdapterView<?> parent, View view,
                               int pos, long id) {
        // An item was selected. You can retrieve the selected item using
        // parent.getItemAtPosition(pos)
    }

    public void onNothingSelected(AdapterView<?> parent) {
        // Another interface callback

        Spinner spinner = (Spinner) findViewById(R.id.spinner);
        spinner.setOnItemSelectedListener(this);
    }
}



private void setupRadios() {
    RadioButton radio_full = (RadioButton) findViewById(R.id.radio_full);
    RadioButton radio_Half = (RadioButton) findViewById(R.id.radio_Half);
    RadioGroup radioGroup = (RadioGroup) findViewById(R.id.radioleave);
    radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(RadioGroup radioGroup, int i) {
            int buttonId = radioGroup.getCheckedRadioButtonId();
            switch (buttonId) {
                case R.id.radio_full:
                    Toast.makeText(getApplicationContext(), "You have selected Full Day Leave", Toast.LENGTH_SHORT).show();
                    break;
                case R.id.radio_Half:
                    Toast.makeText(getApplicationContext(), "You have selected Half Day Leave", Toast.LENGTH_SHORT).show();
                    break;
            }
        }
    });

}

public void getDifferenceDays(Date d1, Date d2) {
    int daysdiff = 0;
    long diff = d2.getTime() - d1.getTime();
    long diffDays = diff / (24 * 60 * 60 * 1000) + 1;
    daysdiff = (int) diffDays;
    no_of_days.setText(Integer.toString(daysdiff));
    System.out.println("day count=>" + daysdiff);
}

公共课休假活动{
文本查看日期；
专用日期选择器Dialog日期选择器Dialog；
文本视图日期2；
//文本视图设置日；
专用日期选择器Dialog DatePickerDialog 2；
TextView无天数；
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（R.layout.activity_-leave）；
日期=（TextView）findViewById（R.id.date）；
date2=（TextView）findViewById（R.id.date2）；
//setDay=（TextView）findViewById（R.id.setDay）；
无天数=（TextView）findViewById（R.id.no\u of\u days）；
//启动日期选择器和按钮
日期=（TextView）findViewById（R.id.date）；
//对编辑文本执行单击事件
date.setOnClickListener（新视图.OnClickListener（）{
@凌驾
公共void onClick（视图v）{
//Calendar类的实例，并从Calendar获取当前日期、月份和年份
最终日历c=Calendar.getInstance（）；
int mYear=c.get（Calendar.YEAR）；//当前年份
int mMonth=c.get（Calendar.MONTH）；//当前月份
int mDay=c.get（Calendar.DAY/u/u MONTH）；//当前日期
//日期选择器对话框
datePickerDialog=新的datePickerDialog（离开.this，
新建DatePickerDialog.OnDateSetListener（）{
@凌驾
公共无效onDateSet（日期选择器视图，整数年，
int monthOfYear，int dayOfMonth）{
//在编辑文本中设置月日、月和年值
date.setText（dayOfMonth+“/”
+（年+1）+“/”+年）；
}
}，mYear，Ammonth，mDay）；
datePickerDialog.show（）；
}
});
//启动日期选择器和按钮
date2=（TextView）findViewById（R.id.date2）；
//对编辑文本执行单击事件
date2.setOnClickListener（新视图.OnClickListener（）{
@凌驾
公共void onClick（视图v）{
//Calendar类的实例，并从Calendar获取当前日期、月份和年份
最终日历c=Calendar.getInstance（）；
int mYear=c.get（Calendar.YEAR）；//当前年份
int mMonth=c.get（Calendar.MONTH）；//当前月份
int mDay=c.get（Calendar.DAY/u/u MONTH）；//当前日期
//日期选择器对话框
DatePickerDialog 2=新的DatePickerDialog（离开.this，
新建DatePickerDialog.OnDateSetListener（）{
@凌驾
公共无效onDateSet（日期选择器视图，整数年，
int monthOfYear，int dayOfMonth）{
//在编辑文本中设置月日、月和年值
date2.setText（dayOfMonth+“/”
+（年+1）+“/”+年）；
}
}，mYear，Ammonth，mDay）；
datePickerDialog2.show（）；
}
});
没有多少天。setOnClickListener（新视图。OnClickListener（）{
@凌驾
公共void onClick（视图v）{
SimpleDataFormat格式=新的SimpleDataFormat（“dd/mm/yyyy”）；
字符串date01=date.getText（）.toString（）；
字符串date02=date2.getText（）.toString（）；
试一试{
dated=format.parse（date01）；
dated1=format.parse（date02）；
获得不同的天数（d、d1）；
}捕获（解析异常）{
e、 printStackTrace（）；
}
}
});
微调器微调器=（微调器）findViewById（R.id.Spinner）；
//使用字符串数组和默认微调器布局创建ArrayAdapter
ArrayAdapter=ArrayAdapter.createFromResource（此，
R.array.leave_数组，android.R.layout.simple_微调器_项）；
//指定显示选项列表时要使用的布局
setDropDownViewResource（android.R.layout.simple\u微调器\u下拉菜单\u项）；
//将适配器应用于微调器
旋转器。设置适配器（适配器）；
}
公共类SpinerActivity扩展活动实现AdapterView.OnItemSelectedListener{
spinneActivity（）引发ParseException异常{
}
已选择公共视图（AdapterView父视图、视图、，
内部位置，长id）{
//已选择一个项目。您可以使用
//父项getItemAtPosition（pos）
}
未选择公共无效（AdapterView父级）{
//另一个接口回调
微调器微调器=（微调器）findViewById（R.id.Spinner）；
spinner.setOnItemSelectedListener（此）；
}
}
专用收音机（）{
RadioButton单选按钮已满=（RadioButton）findViewById（R.id.radio\u full）；
RadioButton单选对半=（RadioButton）findViewById（R.id.radio对半）；
放射组放射组=（放射组）findViewById（R.id.radioleave）；
radioGroup.setOnCheckedChangeListener（新的radioGroup.OnCheckedChangeListener（）{
@凌驾
检查更改后的公共无效（放射组放射组，int i）{
int buttonId=radioGroup.getCheckedRadioButtonId（）；
开关（按钮NID）{
案例R.id.收音机已满：
Toast.makeText（getApplicationContext（），“您已选择全天休假”，Toast.LENGTH\u SHORT.show（）；
打破
案例R.id.无线电部分：
Toast.makeText（getApplicationContext
public class Leave extends AppCompatActivity {

TextView date;
private DatePickerDialog datePickerDialog;
TextView date2;
//TextView setDay;
private DatePickerDialog datePickerDialog2;
TextView no_of_days;
String date1 = "", date2 = "";


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

    date = (TextView) findViewById(R.id.date);
    date2 = (TextView) findViewById(R.id.date2);
    //setDay = (TextView) findViewById(R.id.setDay);
    no_of_days = (TextView) findViewById(R.id.no_of_days);
    RadioButton radio_full = (RadioButton) findViewById(R.id.radio_full);
    RadioButton radio_Half = (RadioButton) findViewById(R.id.radio_Half);
    RadioGroup radioGroup = (RadioGroup) findViewById(R.id.radioleave);
    radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(RadioGroup radioGroup, int i) {
            int buttonId = radioGroup.getCheckedRadioButtonId();
            switch (buttonId) {
                case R.id.radio_full:
                    Toast.makeText(getApplicationContext(), "You have selected Full Day Leave", Toast.LENGTH_SHORT).show();
                    break;
                case R.id.radio_Half:
                    Toast.makeText(getApplicationContext(), "You have selected Half Day Leave", Toast.LENGTH_SHORT).show();
                    break;
            }
        }
    });

    // initially hide the radio buttons
    radio_full.setVisibility(View.GONE);
    radio_Half.setVisibility(View.GONE);

    // initiate the date picker and a button
    date = (TextView) findViewById(R.id.date);
    // perform click event on edit text
    date.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            // calender class's instance and get current date , month and year from calender
            final Calendar c = Calendar.getInstance();
            int mYear = c.get(Calendar.YEAR); // current year
            int mMonth = c.get(Calendar.MONTH); // current month
            int mDay = c.get(Calendar.DAY_OF_MONTH); // current day
            // date picker dialog
            datePickerDialog = new DatePickerDialog(Leave.this,
                    new DatePickerDialog.OnDateSetListener() {

                        @Override
                        public void onDateSet(DatePicker view, int year,
                                              int monthOfYear, int dayOfMonth) {
                            // set day of month , month and year value in the edit text
                            // assign the value to date1
                            date1 = dayOfMonth + "/"
                                    + (monthOfYear + 1) + "/" + year;

                            date.setText(dayOfMonth + "/"
                                    + (monthOfYear + 1) + "/" + year);

                            // check if date2 has been set and compare it with date1
                            if(!TextUtils.isEmpty(date2)) {

                                // get difference
                                getDifferenceDays(date, date2);

                                if(date1.equals(date2)) {
                                    // pop up radio button
                                   radio_full.setVisibility(View.VISIBLE);
                                   radio_Half.setVisibility(View.VISIBLE);
                                } else {
                                   // hide radio buttons
                                   radio_full.setVisibility(View.GONE);
                                   radio_Half.setVisibility(View.GONE);
                                }
                            }

                        }
                    }, mYear, mMonth, mDay);
            datePickerDialog.show();
        }
    });

    // initiate the date picker and a button
    date2 = (TextView) findViewById(R.id.date2);
    // perform click event on edit text
    date2.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            // calender class's instance and get current date , month and year from calender
            final Calendar c = Calendar.getInstance();
            int mYear = c.get(Calendar.YEAR); // current year
            int mMonth = c.get(Calendar.MONTH); // current month
            int mDay = c.get(Calendar.DAY_OF_MONTH); // current day
            // date picker dialog
            datePickerDialog2 = new DatePickerDialog(Leave.this,
                    new DatePickerDialog.OnDateSetListener() {

                        @Override
                        public void onDateSet(DatePicker view, int year,
                                              int monthOfYear, int dayOfMonth) {
                            // set day of month , month and year value in the edit text

                            // assign the value to date2
                            date2 = dayOfMonth + "/"
                                    + (monthOfYear + 1) + "/" + year;

                            date2.setText(dayOfMonth + "/"
                                    + (monthOfYear + 1) + "/" + year);
                            // check if date2 has been set and compare it with date1
                            if(!TextUtils.isEmpty(date1)) {

                                // get difference
                                getDifferenceDays(date, date2);

                                if(date1.equals(date2)) {
                                   // pop up radio button
                                   radio_full.setVisibility(View.VISIBLE);
                                   radio_Half.setVisibility(View.VISIBLE);
                                } else {
                                   // hide radio buttons
                                   radio_full.setVisibility(View.GONE);
                                   radio_Half.setVisibility(View.GONE);
                                }  
                            }

                        }
                    }, mYear, mMonth, mDay);
            datePickerDialog2.show();

        }
    });

    no_of_days.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            SimpleDateFormat format = new SimpleDateFormat("dd/mm/yyyy");
            String date01 = date.getText().toString();
            String date02 = date2.getText().toString();
            try {
                Date d = format.parse(date01);
                Date d1 = format.parse(date02);
                getDifferenceDays(d, d1);
            } catch (ParseException e) {
                e.printStackTrace();
            }


        }
    });

    Spinner spinner = (Spinner) findViewById(R.id.spinner);
    // Create an ArrayAdapter using the string array and a default spinner layout
    ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this,
            R.array.leave_array, android.R.layout.simple_spinner_item);
    // Specify the layout to use when the list of choices appears
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
   // Apply the adapter to the spinner
    spinner.setAdapter(adapter);
}