Date e Time PickerDialog. Material Design Android - Parte 16

import android.content.DialogInterface;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageButton;
import android.widget.TextView;
import android.widget.Toast;

import com.wdullaer.materialdatetimepicker.date.DatePickerDialog;
import com.wdullaer.materialdatetimepicker.time.RadialPickerLayout;
import com.wdullaer.materialdatetimepicker.time.TimePickerDialog;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.LinkedList;
import java.util.List;

public class BancodeHoras extends AppCompatActivity implements DatePickerDialog.OnDateSetListener, TimePickerDialog.OnTimeSetListener, DialogInterface.OnCancelListener {

    TextView hr1, hr2;
    private ImageButton click1;
    ImageButton horario1,horario2;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_bancode_horas);
        hr1 = (TextView) findViewById(R.id.time_primeiro);
        hr2 = (TextView) findViewById(R.id.time_segundo);
        horario1 = (ImageButton) findViewById(R.id.imageView);
        horario2 = (ImageButton) findViewById(R.id.imageView2);

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        horario1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                scheduleTestDrive(v);
            }
        });
        horario2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                scheduleTestDrive2(v);
            }
        });


    }
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home:
                onBackPressed();
                return true;

            default:
                return super.onOptionsItemSelected(item);
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_bancode_horas, menu);
        return true;
    }

    private int year, month, day, hour, minute;
    private int flag = 0;
    public void scheduleTestDrive(View view){
        initDateTimeData();
        Calendar cDefault = Calendar.getInstance();
        cDefault.set(year, month, day);

        DatePickerDialog datePickerDialog = DatePickerDialog.newInstance(
                this,
                cDefault.get(Calendar.YEAR),
                cDefault.get(Calendar.MONTH),
                cDefault.get(Calendar.DAY_OF_MONTH)
        );

        Calendar cMin = Calendar.getInstance();
        Calendar cMax = Calendar.getInstance();
        cMax.set( cMax.get(Calendar.YEAR), 11, 31 );
        datePickerDialog.setMinDate(cMin);
        datePickerDialog.setMaxDate(cMax);

        List daysList = new LinkedList<>();
        Calendar[] daysArray;
        Calendar cAux = Calendar.getInstance();

        while( cAux.getTimeInMillis() <= cMax.getTimeInMillis() ){
            if( cAux.get( Calendar.DAY_OF_WEEK ) != 1 && cAux.get( Calendar.DAY_OF_WEEK ) != 7 ){
                Calendar c = Calendar.getInstance();
                c.setTimeInMillis( cAux.getTimeInMillis() );

                daysList.add( c );
            }
            cAux.setTimeInMillis( cAux.getTimeInMillis() + ( 24 * 60 * 60 * 1000 ) );
        }
        daysArray = new Calendar[ daysList.size() ];
        for( int i = 0; i < daysArray.length; i++ ){
            daysArray[i] = daysList.get(i);
        }

        datePickerDialog.setSelectableDays( daysArray );
        datePickerDialog.setOnCancelListener(this);
        datePickerDialog.show( getFragmentManager(), "DatePickerDialog" );
    }

    public void scheduleTestDrive2(View view){
        initDateTimeData();
        Calendar cDefault = Calendar.getInstance();
        cDefault.set(year, month, day);

        DatePickerDialog datePickerDialog = DatePickerDialog.newInstance(
                this,
                cDefault.get(Calendar.YEAR),
                cDefault.get(Calendar.MONTH),
                cDefault.get(Calendar.DAY_OF_MONTH)
        );


        Calendar cMin = Calendar.getInstance();
        Calendar cMax = Calendar.getInstance();
        cMax.set( cMax.get(Calendar.YEAR), 11, 31 );
        datePickerDialog.setMinDate(cMin);
        datePickerDialog.setMaxDate(cMax);

        List daysList = new LinkedList<>();
        Calendar[] daysArray;
        Calendar cAux = Calendar.getInstance();

        while( cAux.getTimeInMillis() <= cMax.getTimeInMillis() ){
            if( cAux.get( Calendar.DAY_OF_WEEK ) != 1 && cAux.get( Calendar.DAY_OF_WEEK ) != 7 ){
                Calendar c = Calendar.getInstance();
                c.setTimeInMillis( cAux.getTimeInMillis() );

                daysList.add( c );
            }
            cAux.setTimeInMillis( cAux.getTimeInMillis() + ( 24 * 60 * 60 * 1000 ) );
        }
        daysArray = new Calendar[ daysList.size() ];
        for( int i = 0; i < daysArray.length; i++ ){
            daysArray[i] = daysList.get(i);
        }

        datePickerDialog.setSelectableDays( daysArray );
        datePickerDialog.setOnCancelListener(this);
        datePickerDialog.show( getFragmentManager(), "DatePickerDialog" );
    }



    private void initDateTimeData(){
        if( year == 0 ){
            Calendar c = Calendar.getInstance();
            year = c.get(Calendar.YEAR);
            month = c.get(Calendar.MONTH);
            day = c.get(Calendar.DAY_OF_MONTH);
            hour = c.get(Calendar.HOUR_OF_DAY);
            minute = c.get(Calendar.MINUTE);
        }
    }

    @Override
    public void onCancel(DialogInterface dialog) {
        year = month = day = hour = minute = 0;
        hr1.setText("");
        hr2.setText("");
    }


    @Override
    public void onDateSet(DatePickerDialog datePickerDialog, int i, int i1, int i2) {
        Calendar tDefault = Calendar.getInstance();
        tDefault.set(year, month, day, hour, minute);

        year = i;
        month = i1;
        day = i2;

        TimePickerDialog timePickerDialog = TimePickerDialog.newInstance(
                this,
                tDefault.get(Calendar.HOUR_OF_DAY),
                tDefault.get(Calendar.MINUTE),
                true
        );
        timePickerDialog.setOnCancelListener(this);
        timePickerDialog.show(getFragmentManager(), "timePickerDialog");
        timePickerDialog.setTitle("Horário Test Drive");

        timePickerDialog.setThemeDark(true);
        SimpleDateFormat format = new SimpleDateFormat("dd-MM-yyyy");

        if (flag == FLAG_START_DATE) {
            hr1.setText(format.format(tDefault.getTime()));
        } else if (flag == FLAG_END_DATE) {
            hr2.setText(format.format(tDefault.getTime()));
        }
    }
    public static final int FLAG_START_DATE = 0;
    public static final int FLAG_END_DATE = 1;

    @Override
    public void onTimeSet(RadialPickerLayout radialPickerLayout, int i, int i1) {
        if( i < 9 || i > 18 ){
            onDateSet(null, year, month, day);
            Toast.makeText(this, "Somente entre 9h e 18h", Toast.LENGTH_SHORT).show();
            return;
        }
        hour = i;
        minute = i1;
        if (flag == FLAG_START_DATE) {
            hr1.setText((day < 10 ? "0" + day : day) + "/" +
                    (month + 1 < 10 ? "0" + (month + 1) : month + 1) + "/" +
                    year + " às " +
                    (hour < 10 ? "0" + hour : hour) + "h" +
                    (minute < 10 ? "0" + minute : minute));

        } else if (flag == FLAG_END_DATE) {
            hr2.setText((day < 10 ? "0" + day : day) + "/" +
                    (month + 1 < 10 ? "0" + (month + 1) : month + 1) + "/" +
                    year + " às " +
                    (hour < 10 ? "0" + hour : hour) + "h" +
                    (minute < 10 ? "0" + minute : minute));
        }

    }

}

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android "
    xmlns:tools="http://schemas.android.com/tools "
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto "
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    tools:context="com.mikepenz.materialdrawer.app.BancodeHoras">

    <android.support.v7.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:background="?attr/colorPrimary"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
        app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
        android:elevation="20dp" />

    <TextView android:text="Banco de Horas" android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/tt"
        android:layout_below="@+id/toolbar"
        android:layout_gravity="center"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true" />

    <EditText
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/editText2"
        android:layout_below="@+id/tt"
        android:layout_marginTop="36dp"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:text="Large Text"
        android:id="@+id/time_primeiro"
        android:layout_below="@+id/imageView"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:text="Large Text"
        android:id="@+id/time_segundo"
        android:layout_below="@+id/imageView2"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true" />

    <ImageButton
        android:layout_width="50dp"
        android:layout_height="wrap_content"
        android:id="@+id/imageView"
        android:onClick="acaohr1"
        android:src="@drawable/timer"
        android:layout_below="@+id/editText2"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:text="HR1" />

    <ImageButton
        android:layout_width="50dp"
        android:layout_height="wrap_content"
        android:id="@+id/imageView2"
        android:layout_below="@+id/editText2"
        android:src="@drawable/timer"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="false"
        android:layout_alignParentStart="false"
        android:text="HR2" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Gravar"
        android:id="@+id/gravar_bancodehoras"
        android:layout_below="@+id/time_segundo"
        android:layout_alignRight="@+id/imageView2"
        android:layout_alignEnd="@+id/imageView2"
        android:layout_marginTop="59dp" />

</RelativeLayout>