Tuesday 12 February 2019

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();
    }

}


Thursday 7 February 2019

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'

AutoComplete Address (Updated)

-------------------------------------Activity---------------------------------- package placeautocomplete.iteritory.com; import androi...