AutoComplete Address (Updated)

-------------------------------------Activity----------------------------------


package placeautocomplete.iteritory.com;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;

import java.util.Arrays;

import com.google.android.gms.common.api.Status;
import com.google.android.libraries.places.api.model.Place;
import com.google.android.libraries.places.api.net.PlacesClient;
import com.google.android.libraries.places.widget.AutocompleteSupportFragment;
import com.google.android.libraries.places.widget.listener.PlaceSelectionListener;
import com.google.android.libraries.places.api.Places;
//Add an import statement for the client library.


public class MainActivity extends AppCompatActivity {
    String TAG = "placeautocomplete";
    TextView txtView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        txtView = findViewById(R.id.txtView);

        // Initialize Places.
        Places.initialize(getApplicationContext(), "YOUR_API_KEY");
        // Create a new Places client instance.
        PlacesClient placesClient = Places.createClient(this);

        // Initialize the AutocompleteSupportFragment.
        AutocompleteSupportFragment autocompleteFragment = (AutocompleteSupportFragment)
                getSupportFragmentManager().findFragmentById(R.id.autocomplete_fragment);

        // Specify the types of place data to return.
        autocompleteFragment.setPlaceFields(Arrays.asList(Place.Field.ID, Place.Field.NAME));

        // Set up a PlaceSelectionListener to handle the response.
        autocompleteFragment.setOnPlaceSelectedListener(new PlaceSelectionListener() {
            @Override
            public void onPlaceSelected(Place place) {
                // TODO: Get info about the selected place.
                txtView.setText(place.getName()+","+place.getId());
                Log.i(TAG, "Place: " + place.getName() + ", " + place.getId());
            }

            @Override
            public void onError(Status status) {
                // TODO: Handle the error.
                Log.i(TAG, "An error occurred: " + status);
            }
        });
    }

}



--------------------------activity.xml---------------------------------------

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout 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.support.v7.widget.CardView
        android:id="@+id/idCardView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:layout_marginTop="5dp"
        app:cardCornerRadius="4dp"
        tools:ignore="MissingConstraints">

        <fragment
            android:id="@+id/autocomplete_fragment"
            android:name="com.google.android.libraries.places.widget.AutocompleteSupportFragment"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />
    </android.support.v7.widget.CardView>

    <TextView
        android:id="@+id/txtView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello World!"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />


    </android.support.constraint.ConstraintLayout>




--------------------------Library-------------------------------------

implementation 'com.google.android.libraries.places:places:1.0.0'

implementation 'com.android.support:cardview-v7:28.0.0'

Util(Function)class

-------------------------------Function.class--------------------------------

public class Function {
    /*/...........................Email_validation.......................*/
    public boolean emailValidator(String email)
    {
        Pattern pattern;
        Matcher matcher;
        final String EMAIL_PATTERN = "^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";
        pattern = Pattern.compile(EMAIL_PATTERN);
        matcher = pattern.matcher(email);
        return matcher.matches();
    }


    /*/...........................Password_validation.......................*/
    public static boolean isValidPassword(final String password) {

        Pattern pattern;
        Matcher matcher;
        final String PASSWORD_PATTERN =
                "^(?=.*[0-9])(?=.*[A-Z])(?=.*[@#$%^&+=!])(?=\\S+$).{4,}$";
        pattern = Pattern.compile(PASSWORD_PATTERN);
        matcher = pattern.matcher(password);

        return matcher.matches();

    }


    /*/...........................Mobile_number_validation.......................*/
    private boolean isValidMobile(String phone, Context context) {
        boolean check=false;
        if(!Pattern.matches("[a-zA-Z]+", phone)) {
            if(phone.length() < 6 || phone.length() > 13) {
                // if(phone.length() != 10) {
                check = false;
                Toast.makeText(context, "Not Valid Number", Toast.LENGTH_SHORT).show();
            } else {
                check = true;
            }
        } else {
            check=false;
        }
        return check;
    }


    /*/...........................Snack_bar_show.......................*/
    public static void Snackbar(Context context, View view, String s) {
        Snackbar snack = Snackbar.make(view, s, Snackbar.LENGTH_LONG);
        View sbview = snack.getView();
        TextView textView = sbview.findViewById(android.support.design.R.id.snackbar_text);
        sbview.setBackgroundColor(ContextCompat.getColor(context, R.color.colorPrimary));
        textView.setTextColor(ContextCompat.getColor(context, R.color.colorAccent));
        snack.show();
    }


/*.....................Six_random_digit_genrate............................*/
    public static int sixDigitRandomNum() {
        int longtime = (int) System.currentTimeMillis();
        String number = String.valueOf(longtime).substring(4);
        int bookingNumber = Integer.parseInt(number);
       /* Random random = new Random();
        int num = random.nextInt(1) + 5;*/
        return bookingNumber;
    }
    /*.....................Current_date...................................*/

    public static String currentDateBooking() {
        Calendar c = Calendar.getInstance();
        SimpleDateFormat df1 = new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault());
        return df1.format(c.getTime());
    }
    /*.....................Current_date...................................*/

    public static String currentTimeBooking() {
        Calendar c = Calendar.getInstance();
        SimpleDateFormat df = new SimpleDateFormat("HH:mm:ss", Locale.getDefault());
        return df.format(c.getTime());
    }

}

Simple DATABASE ( ADD,DELETE,UPDATE,GET SINGLE,LIST )

---------------------MainActivity.class--------------------

public class MainActivity extends AppCompatActivity {

    private final String TAG = "MainActivity";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        DatabaseHandler db = new DatabaseHandler(this);

        // Inserting Contacts
        Log.d("Insert: ", "Inserting ..");
        /*db.addContact(new Contact(1,"Ravi", "9100000000"));
        db.addContact(new Contact(2,"Srinivas", "9199999999"));
        db.addContact(new Contact(3,"Tommy", "9522222222"));
        db.addContact(new Contact(4,"Karthik", "9533333333"));
        db.addContact(new Contact(5,"Karthik", "9533333333"));*/

        Contact contactAdd = new Contact();
        for (int i = 0; i < 10; i++) {
            contactAdd.setID(i);
            int longtime = (int) System.currentTimeMillis();
            String number = String.valueOf(longtime).substring(4);


            contactAdd.setName(number);
            contactAdd.setPhoneNumber("9834337373");
            db.addContact(contactAdd);
        }


        // Reading all contacts
        Log.d("Reading: ", "Reading all contacts..");
        List<Contact> contacts = db.getAllContacts();
        for (Contact cn : contacts) {
            String log = "Id: " + cn.getID() + " ,Name: " + cn.getName() + " ,Phone: " +
                    cn.getPhoneNumber();
            // Writing Contacts to log
            Log.d("Name: ", log);

        }
        /*...........................update_single_data................*/
        Contact contact1 = new Contact();
        contact1.setID(1);
        contact1.setName("shirsh");
        contact1.setPhoneNumber("9393938383");

        int updatePosition = db.updateContact(contact1);
        Log.v(TAG, "updatePosition  :   " + updatePosition);
        /*...........................get_single_data................*/
        Contact contact = db.getContact(1);
        contact.getID();
        contact.getName();
        contact.getPhoneNumber();

        Log.v(TAG, "Data :" + contact.getID() + "\n" +
                contact.getName() + "\n" + contact.getPhoneNumber());

        /*..........................delete_single_data...................*/

        Contact contact2 = new Contact();
        contact2.setID(5);
        db.deleteContact(contact2);
    }
}

------------------Contact.class-------------

public class Contact {

    int _id;

    String _name;

    String _phone_number;

    public Contact(){   }

    public Contact(int id, String name, String _phone_number){

        this._id = id;

        this._name = name;

        this._phone_number = _phone_number;

    }

    public Contact(String name, String _phone_number){

        this._name = name;

        this._phone_number = _phone_number;

    }

    public int getID(){

        return this._id;

    }

    public void setID(int id){

        this._id = id;

    }

    public String getName(){

        return this._name;

    }

    public void setName(String name){

        this._name = name;

    }

    public String getPhoneNumber(){

        return this._phone_number;

    }

    public void setPhoneNumber(String phone_number){

        this._phone_number = phone_number;

    }

}

---------------DatabaseHandler.class---------

public class DatabaseHandler extends SQLiteOpenHelper {

    private static final int DATABASE_VERSION = 1;

    private static final String DATABASE_NAME = "contactsManager";

    private static final String TABLE_CONTACTS = "contacts";

    private static final String KEY_ID = "id";

    private static final String KEY_NAME = "name";

    private static final String KEY_PH_NO = "phone_number";

    public DatabaseHandler(Context context) {

        super(context, DATABASE_NAME, null, DATABASE_VERSION);

        //3rd argument to be passed is CursorFactory instance

    }

    // Creating Tables

    @Override

    public void onCreate(SQLiteDatabase db) {

        String CREATE_CONTACTS_TABLE = "CREATE TABLE " + TABLE_CONTACTS + "("

                + KEY_ID + " INTEGER PRIMARY KEY," + KEY_NAME + " TEXT,"

                + KEY_PH_NO + " TEXT" + ")";

        db.execSQL(CREATE_CONTACTS_TABLE);

    }

    // Upgrading database

    @Override

    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

        // Drop older table if existed

        db.execSQL("DROP TABLE IF EXISTS " + TABLE_CONTACTS);

        // Create tables again

        onCreate(db);

    }

    // code to add the new contact

    void addContact(Contact contact) {

        SQLiteDatabase db = this.getWritableDatabase();

        ContentValues values = new ContentValues();

        values.put(KEY_NAME, contact.getName()); // Contact Name

        values.put(KEY_PH_NO, contact.getPhoneNumber()); // Contact Phone

        // Inserting Row

        db.insert(TABLE_CONTACTS, null, values);

        //2nd argument is String containing nullColumnHack

        db.close(); // Closing database connection

    }

    // code to get the single contact

    Contact getContact(int id) {

        SQLiteDatabase db = this.getReadableDatabase();

        Cursor cursor = db.query(TABLE_CONTACTS, new String[] { KEY_ID,

                        KEY_NAME, KEY_PH_NO }, KEY_ID + "=?",

                new String[] { String.valueOf(id) }, null, null, null, null);

        if (cursor != null)

            cursor.moveToFirst();

        Contact contact = new Contact(Integer.parseInt(cursor.getString(0)),

                cursor.getString(1), cursor.getString(2));

        // return contact

        return contact;

    }

    // code to get all contacts in a list view

    public List<Contact> getAllContacts() {

        List<Contact> contactList = new ArrayList<Contact>();

        // Select All Query

        String selectQuery = "SELECT  * FROM " + TABLE_CONTACTS;

        SQLiteDatabase db = this.getWritableDatabase();

        Cursor cursor = db.rawQuery(selectQuery, null);

        // looping through all rows and adding to list

        if (cursor.moveToFirst()) {

            do {

                Contact contact = new Contact();

                contact.setID(Integer.parseInt(cursor.getString(0)));

                contact.setName(cursor.getString(1));

                contact.setPhoneNumber(cursor.getString(2));

                // Adding contact to list

                contactList.add(contact);

            } while (cursor.moveToNext());

        }

        // return contact list

        return contactList;

    }

    // code to update the single contact

    public int updateContact(Contact contact) {

        SQLiteDatabase db = this.getWritableDatabase();

        ContentValues values = new ContentValues();

        values.put(KEY_NAME, contact.getName());

        values.put(KEY_PH_NO, contact.getPhoneNumber());

        // updating row

        return db.update(TABLE_CONTACTS, values, KEY_ID + " = ?",

                new String[] { String.valueOf(contact.getID()) });

    }

    // Deleting single contact

    public void deleteContact(Contact contact) {

        SQLiteDatabase db = this.getWritableDatabase();

        db.delete(TABLE_CONTACTS, KEY_ID + " = ?",

                new String[] { String.valueOf(contact.getID()) });

        db.close();

    }

    // Getting contacts Count

    public int getContactsCount() {

        String countQuery = "SELECT  * FROM " + TABLE_CONTACTS;

        SQLiteDatabase db = this.getReadableDatabase();

        Cursor cursor = db.rawQuery(countQuery, null);

        cursor.close();

        // return count

        return cursor.getCount();

    }

}

Android GPS enable by programmatically

--------------------------------MainActivity----------------------------------





import android.Manifest;
import android.app.Activity;
import android.content.Intent;
import android.content.IntentSender;
import android.content.pm.PackageManager;
import android.location.Location;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.api.PendingResult;
import com.google.android.gms.common.api.ResultCallback;
import com.google.android.gms.common.api.Status;
import com.google.android.gms.location.LocationListener;
import com.google.android.gms.location.LocationRequest;
import com.google.android.gms.location.LocationServices;
import com.google.android.gms.location.LocationSettingsRequest;
import com.google.android.gms.location.LocationSettingsResult;
import com.google.android.gms.location.LocationSettingsStatusCodes;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity implements GoogleApiClient.ConnectionCallbacks,
        GoogleApiClient.OnConnectionFailedListener,
        LocationListener{
    private TextView latitudeTextView,longitudeTextView;
    private Location mylocation;
    private GoogleApiClient googleApiClient;
    private final static int REQUEST_CHECK_SETTINGS_GPS=0x1;
    private final static int REQUEST_ID_MULTIPLE_PERMISSIONS=0x2;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        latitudeTextView=(TextView)findViewById(R.id.latitudeTextView);
        longitudeTextView=(TextView)findViewById(R.id.longitudeTextView);
        setUpGClient();
    }

    private synchronized void setUpGClient() {
        googleApiClient = new GoogleApiClient.Builder(this)
                .enableAutoManage(this, 0, this)
                .addConnectionCallbacks(this)
                .addOnConnectionFailedListener(this)
                .addApi(LocationServices.API)
                .build();
        googleApiClient.connect();
    }

    @Override
        public void onLocationChanged(Location location) {
        mylocation = location;
        if (mylocation != null) {
            Double latitude=mylocation.getLatitude();
            Double longitude=mylocation.getLongitude();
            latitudeTextView.setText("Latitude : "+latitude);
            longitudeTextView.setText("Longitude : "+longitude);
            //Or Do whatever you want with your location
        }
    }

    @Override
    public void onConnected(Bundle bundle) {
        checkPermissions();
    }

    @Override
    public void onConnectionSuspended(int i) {
        //Do whatever you need
        //You can display a message here
    }

    @Override
    public void onConnectionFailed(ConnectionResult connectionResult) {
        //You can display a message here
    }

    private void getMyLocation(){
        if(googleApiClient!=null) {
            if (googleApiClient.isConnected()) {
                int permissionLocation = ContextCompat.checkSelfPermission(MainActivity.this,
                        Manifest.permission.ACCESS_FINE_LOCATION);
                if (permissionLocation == PackageManager.PERMISSION_GRANTED) {
                    mylocation =                     LocationServices.FusedLocationApi.getLastLocation(googleApiClient);
                    LocationRequest locationRequest = new LocationRequest();
                    locationRequest.setInterval(3000);
                    locationRequest.setFastestInterval(3000);
                    locationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
                    LocationSettingsRequest.Builder builder = new LocationSettingsRequest.Builder()
                            .addLocationRequest(locationRequest);
                    builder.setAlwaysShow(true);
                    LocationServices.FusedLocationApi
                            .requestLocationUpdates(googleApiClient, locationRequest, this);
                    PendingResult<LocationSettingsResult> result =
                            LocationServices.SettingsApi
                                    .checkLocationSettings(googleApiClient, builder.build());
                    result.setResultCallback(new ResultCallback<LocationSettingsResult>() {

                        @Override
                        public void onResult(LocationSettingsResult result) {
                            final Status status = result.getStatus();
                            switch (status.getStatusCode()) {
                                case LocationSettingsStatusCodes.SUCCESS:
                                    // All location settings are satisfied.
                                    // You can initialize location requests here.
                                    int permissionLocation = ContextCompat
                                            .checkSelfPermission(MainActivity.this,
                                            Manifest.permission.ACCESS_FINE_LOCATION);
                                    if (permissionLocation == PackageManager.PERMISSION_GRANTED) {
                                        mylocation = LocationServices.FusedLocationApi
                                                .getLastLocation(googleApiClient);
                                    }
                                    break;
                                case LocationSettingsStatusCodes.RESOLUTION_REQUIRED:
                                    // Location settings are not satisfied.
                                    // But could be fixed by showing the user a dialog.
                                    try {
                                        // Show the dialog by calling startResolutionForResult(),
                                        // and check the result in onActivityResult().
                                        // Ask to turn on GPS automatically
                                        status.startResolutionForResult(MainActivity.this,
                                                REQUEST_CHECK_SETTINGS_GPS);
                                    } catch (IntentSender.SendIntentException e) {
                                        // Ignore the error.
                                    }
                                    break;
                                case LocationSettingsStatusCodes.SETTINGS_CHANGE_UNAVAILABLE:
                                    // Location settings are not satisfied.
                                    // However, we have no way              
                                    // to fix the
                                    // settings so we won't show the dialog.
                                    // finish();
                                    break;
                            }
                        }
                    });
                }
            }
        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        switch (requestCode) {
            case REQUEST_CHECK_SETTINGS_GPS:
                switch (resultCode) {
                    case Activity.RESULT_OK:
                        getMyLocation();
                        break;
                    case Activity.RESULT_CANCELED:
                        finish();
                        break;
                }
                break;
        }
    }

    private void checkPermissions(){
        int permissionLocation = ContextCompat.checkSelfPermission(MainActivity.this,
                android.Manifest.permission.ACCESS_FINE_LOCATION);
        List<String> listPermissionsNeeded = new ArrayList<>();
        if (permissionLocation != PackageManager.PERMISSION_GRANTED) {
            listPermissionsNeeded.add(android.Manifest.permission.ACCESS_FINE_LOCATION);
            if (!listPermissionsNeeded.isEmpty()) {
                ActivityCompat.requestPermissions(this,
                        listPermissionsNeeded.toArray(new String[listPermissionsNeeded.size()]), REQUEST_ID_MULTIPLE_PERMISSIONS);
            }
        }else{
            getMyLocation();
        }

    }

    @Override
    public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
        int permissionLocation = ContextCompat.checkSelfPermission(MainActivity.this,
                Manifest.permission.ACCESS_FINE_LOCATION);
        if (permissionLocation == PackageManager.PERMISSION_GRANTED) {
            getMyLocation();
        }
    }
}









 

---------------------activity_main.xml------------------------------------

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="20dp">

    <TextView
        android:layout_width="match_parent"
        android:textColor="#000000"
        android:gravity="center"
        android:textSize="20sp"
        android:layout_height="wrap_content"
        android:text="My Location" />
    <TextView
        android:layout_marginTop="10dp"
        android:textSize="18sp"
        android:id="@+id/latitudeTextView"
        android:text="Latitude : "
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />
    <TextView
        android:layout_marginTop="10dp"
        android:textSize="18sp"
        android:id="@+id/longitudeTextView"
        android:text="Longitude :"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

</LinearLayout>


---------------------androidmanifest.xml-------------------------------

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.loggedshirsh.testapplication">
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    <uses-feature
        android:name="android.hardware.location.gps"
        android:required="true" />
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
</manifest>



---------------------build.gradle(app)------------------------------------

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile 'com.google.android.gms:play-services-location:10.0.1'
    compile 'com.android.support:appcompat-v7:25.0.1'
}

apply plugin: 'com.google.gms.google-services'

Pagination and interface Example

--------------------------MainActivity------------------

package com.loggedin.mmf.myapplicationpagination;

import android.content.Context;
import android.os.Build;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.View;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {
    public final String TAG = "MainActivity";
    ArrayList<Dessert> desserts = new ArrayList<>();
    ContactListAdapter contactListAdapter;
    RecyclerView recycler_view_list;
    int lastScrollPosition = 0;
    LinearLayoutManager linearLayoutManager;
    Context context;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        randomDataLoad();
        recycler_view_list = findViewById(R.id.recycler_view_list);
        linearLayoutManager = new LinearLayoutManager(this);
        linearLayoutManager.setStackFromEnd(true);
        recycler_view_list.setLayoutManager(linearLayoutManager);
        contactListAdapter = new ContactListAdapter(context, desserts, new ContactListAdapter.OnItemClickListener() {
            @Override
            public void onItemCLick(View view, int position, List<Dessert> dessertsArrayList) {
                if (view.getId() == R.id.tv_contact_name) {
/*
//                                        dataget(position, dessertsArrayList);
*/
                }
            }
        });
        recycler_view_list.setAdapter(contactListAdapter);

        recycler_view_list.addOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                super.onScrolled(recyclerView, dx, dy);
                lastScrollPosition = linearLayoutManager.findLastCompletelyVisibleItemPosition();
                Log.v(TAG, "LastPosition: " + lastScrollPosition);
                if (lastScrollPosition > 60) {
                    dataNew();
                    contactListAdapter.notifyDataSetChanged();
                    Toast.makeText(MainActivity.this, "DATA LOAD NEW", Toast.LENGTH_SHORT).show();
                    contactListAdapter = new ContactListAdapter(context, desserts, new ContactListAdapter.OnItemClickListener() {
                        @Override
                        public void onItemCLick(View view, int position, List<Dessert> dessertsArrayList) {
                            if (view.getId() == R.id.tv_contact_name) {
/*
//                                        dataget(position, dessertsArrayList);
*/
                            }
                        }
                    });
                }

            }
        });
    }


    private void dataNew() {
        for (int i = 160; i < 280; i++) {
            Dessert dessert = new Dessert();
            dessert.setUsername(String.valueOf(i));
            desserts.add(dessert);
        }
    }

    private void randomDataLoad() {
        for (int i = 0; i < 150; i++) {
            Dessert dessert = new Dessert();
            dessert.setUsername(String.valueOf(i));
            desserts.add(dessert);
        }
    }
}

----------------recycler_view_list.xml----------------

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

<android.support.constraint.ConstraintLayout 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">

    <android.support.v7.widget.RecyclerView

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:id="@+id/recycler_view_list"

        app:layout_constraintBottom_toBottomOf="parent"

        app:layout_constraintLeft_toLeftOf="parent"

        app:layout_constraintRight_toRightOf="parent"

        app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

----------------ContactListAdapter----------

package com.loggedin.mmf.myapplicationpagination;

import android.annotation.SuppressLint;

import android.content.Context;

import android.support.annotation.NonNull;

import android.support.v7.widget.RecyclerView;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.TextView;

import java.util.List;

public class ContactListAdapter extends RecyclerView.Adapter<ContactListAdapter.DessertVh> {

    private ContactListAdapter.OnItemClickListener itemClickListener;

    public static final String TAG = "NearContactAdapter";

    private List<Dessert> dessertsArrayList;

    private Context context;

    public ContactListAdapter(Context context, List<Dessert> dessertsArrayList, ContactListAdapter.OnItemClickListener itemClickListener) {

        this.context = context;

        this.dessertsArrayList = dessertsArrayList;

    }

    @NonNull

    @Override

    public ContactListAdapter.DessertVh onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {

        LayoutInflater inflater = LayoutInflater.from(parent.getContext());

        View view = inflater.inflate(R.layout.contact_list_adapter, parent, false);

        return new ContactListAdapter.DessertVh(view);

    }

    @Override

    public void onBindViewHolder(@NonNull final ContactListAdapter.DessertVh holder, @SuppressLint("RecyclerView") final int position) {

        final Dessert dessert = dessertsArrayList.get(holder.getAdapterPosition());

        holder.tv_contact_name.setText(dessert.getUsername());

        holder.tv_contact_name.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View view) {

                itemClickListener.onItemCLick(view, holder.getAdapterPosition(), dessertsArrayList);

            }

        });

        //shirsh

    }

    @Override

    public int getItemCount() {

        return dessertsArrayList.size();

    }

    public static class DessertVh extends RecyclerView.ViewHolder {

        TextView tv_contact_name;

        public DessertVh(View itemView) {

            super(itemView);

            tv_contact_name = itemView.findViewById(R.id.tv_contact_name);

        }

    }

    public interface OnItemClickListener {

        void onItemCLick(View view, int position, List<Dessert> dessertsArrayList);

    }

}

-------------Dessert-----------------------

package com.loggedin.mmf.myapplicationpagination;

public class Dessert {

    public String getUsername() {

        return Username;

    }

    public void setUsername(String username) {

        Username = username;

    }

    public String getUsernumber() {

        return Usernumber;

    }

    public void setUsernumber(String usernumber) {

        Usernumber = usernumber;

    }

    String Username;

    String Usernumber;

}

-----------contact_list_adapter.xml--------

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

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="wrap_content">

    <TextView

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:id="@+id/tv_contact_name"/>

</android.support.constraint.ConstraintLayout>

Flutter Set Up In Android Studio

Flutter Install Procedure
1) git path set in Path
C:\Users\MMFA-YOGESH\AppData\Local\GitHub\PortableGit_25d850739bc178b2eb13c3e2a9faafea2f9143c0\cmd

2)window path set
C:\Windows\System32

3)flutter path set
C:\src\flutter\bin

4)dart and flutter plugin download in android studio

C:\Users\MMFA-YOGESH\.android;C:\src\flutter\bin;C:\Users\MMFA-YOGESH\AppData\Local\GitHub\PortableGit_25d850739bc178b2eb13c3e2a9faafea2f9143c0\cmd;C:\Windows\System32

Dates Compare

         
       ------------------Date Compare-------------------------



 

        String valid_until = "01/12/2018";
        String valid_until1 = "02/12/2018";
        String valid_until4 = "02/12/2018";
        String valid_until2 = "08/12/2018";
        SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");
        Date strDate = null;
        Date strDate1 = null;
        Date strDate2 = null;
        Date strDate3 = null;
        try {
            strDate = sdf.parse(valid_until);
            strDate1 = sdf.parse(valid_until1);
            strDate2 = sdf.parse(valid_until2);
            strDate3 = sdf.parse(valid_until4);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        if (strDate1.getTime() > strDate.getTime()) {
            Log.v(TAG, "data :1");
        }
         if (strDate1.getTime() < strDate2.getTime()) {
            Log.v(TAG, "data :2");
        }
         if (strDate1.getTime() == strDate3.getTime()) {
            Log.v(TAG, "data :4");
        }