Essential Books

Material DatePicker

suggest change

add below dependencies to build.gradle file in dependency section. (this is an unOfficial library for date picker) 

compile 'com.wdullaer:materialdatetimepicker:2.3.0'

Now we have to open DatePicker on Button click event.

So create one Button on xml file like below. 

<Button
       android:id="@+id/dialog_bt_date"
       android:layout_below="@+id/resetButton"
       android:layout_width="wrap_content"
       android:layout_height="40dp"
       android:textColor="#FF000000"
       android:gravity="center"
       android:text="DATE"/>

and in MainActivity use this way. 

public class MainActivity extends AppCompatActivity implements DatePickerDialog.OnDateSetListener{

    Button button;
    Calendar calendar ;
    DatePickerDialog datePickerDialog ;
    int Year, Month, Day ;

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

        calendar = Calendar.getInstance();

        Year = calendar.get(Calendar.YEAR) ;
        Month = calendar.get(Calendar.MONTH);
        Day = calendar.get(Calendar.DAY_OF_MONTH);

        Button dialog_bt_date = (Button)findViewById(R.id.dialog_bt_date);
        dialog_bt_date.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                datePickerDialog = DatePickerDialog.newInstance(MainActivity.this, Year, Month, Day);

                datePickerDialog.setThemeDark(false);

                datePickerDialog.showYearPickerFirst(false);

                datePickerDialog.setAccentColor(Color.parseColor("#0072BA"));

                datePickerDialog.setTitle("Select Date From DatePickerDialog");

                datePickerDialog.show(getFragmentManager(), "DatePickerDialog");

            }
        });
    }

    @Override
    public void onDateSet(DatePickerDialog view, int Year, int Month, int Day) {

        String date = "Selected Date : " + Day + "-" + Month + "-" + Year;

        Toast.makeText(MainActivity.this, date, Toast.LENGTH_LONG).show();
    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu)
    {
        getMenuInflater().inflate(R.menu.abc_main_menu, menu);
        return true;
    }

}

Output :

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Date and Time Pickers:
* Date and Time Pickers
* DatePickerDialog
* DatePicker
* Date Picker within DialogFragment
* Material DatePicker
* Date Picker Dialog
Table Of Contents
0 Getting Started
1 Layouts
2 Gradle
3 RecyclerView onClickListeners
4 NavigationView
5 Intent
6 JSON handling with org.json
7 Android Studio
8 Resources
9 Data Binding Library
10 Exceptions
11 Getting Calculated View Dimensions
12 AsyncTask
13 SharedPreferences
14 Emulator
15 Material Design
16 Lint Warnings
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18 Storing Files in Internal and External Storage
19 WebView
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27 Camera 2 API
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31 SQLite
32 ADB Android Debug Bridge
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34 Supporting different screen resolutions
35 Glide
36 Retrofit2
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38 ACRA
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40 Formatting Strings
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47 Activity
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49 Runtime Permissions in API-23
50 Logging and using Logcat
51 VectorDrawable and AnimatedVectorDrawable
52 Tools Attributes
53 Toast
54 Interfaces
55 Animators
56 Location
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58 The Manifest File
59 Parcelable
60 MediaPlayer
61 Multidex and the Dex Method Limit
62 Data Synchronization with Sync Adapter
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65 Picasso
66 Bluetooth LE API
67 RoboGuice
68 Memory Leaks
69 Universal Image Loader
70 Volley
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72 Date and Time Pickers
73 Integrate Google Sign In
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154 Displaying Google Ads
155 Vk SDK
156 Localized DateTime
157 Count Down Timer
158 Reading Barcode and QR codes
159 Otto Event Bus
160 TransitionDrawable
161 Port Mapping using Cling
162 Creating Overlay always-on-top Windows
163 ExoPlayer
164 Inter-app UI testing with UIAutomator
165 MediaSession
166 Speech to Text Conversion
167 FileProvider
168 Publish .aar file to Apache Archive with Gradle
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251 Enhancing Alert Dialogs
252 Hardware Button Events, Intents PTT
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256 Google Drive API
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258 Annotation Processor
259 SyncAdapter with periodically do sync of data
260 Singleton Class for Toast Message
261 Fastjson
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263 Jackson
264 Play Store
265 Loading Bitmaps Effectively
266 Getting system font names
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268 Convert vietnamese string to english
269 Contributors