Material Navigation Drawer example in Android

activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout 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:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    tools:openDrawer="start">

    <include
        layout="@layout/app_bar_main"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <android.support.design.widget.NavigationView
        android:id="@+id/nav_view"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:fitsSystemWindows="true"
        app:headerLayout="@layout/nav_header_main"
        app:menu="@menu/activity_main_drawer" />


</android.support.v4.widget.DrawerLayout>

app_bar_main.xml

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

<android.support.design.widget.CoordinatorLayout 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="com.chantisandroid.exampleapp.MainActivity">

    <android.support.design.widget.AppBarLayout

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:theme="@style/AppTheme.AppBarOverlay">

        <android.support.v7.widget.Toolbar

            android:id="@+id/toolbar"

            android:layout_width="match_parent"

            android:layout_height="?attr/actionBarSize"

            android:background="?attr/colorPrimary"

            app:popupTheme="@style/AppTheme.PopupOverlay" />

    </android.support.design.widget.AppBarLayout>

    <include layout="@layout/content_main" />

    <android.support.design.widget.FloatingActionButton

        android:id="@+id/fab"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="bottom|end"

        android:layout_margin="@dimen/fab_margin"

        app:srcCompat="@android:drawable/ic_dialog_email" />

</android.support.design.widget.CoordinatorLayout>

content_main.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"

    app:layout_behavior="@string/appbar_scrolling_view_behavior"

    tools:context="com.chantisandroid.exampleapp.MainActivity"

    tools:showIn="@layout/app_bar_main">

    <TextView

        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>

nav_header_main.xml

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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:app="http://schemas.android.com/apk/res-auto"

    android:layout_width="match_parent"

    android:layout_height="@dimen/nav_header_height"

    android:background="@drawable/side_nav_bar"

    android:gravity="bottom"

    android:orientation="vertical"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    android:theme="@style/ThemeOverlay.AppCompat.Dark">

    <ImageView

        android:id="@+id/imageView"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:paddingTop="@dimen/nav_header_vertical_spacing"

        app:srcCompat="@android:drawable/sym_def_app_icon" />

    <TextView

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:paddingTop="@dimen/nav_header_vertical_spacing"

        android:text="Android Studio"

        android:textAppearance="@style/TextAppearance.AppCompat.Body1" />

    <TextView

        android:id="@+id/textView"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="android.studio@android.com" />

</LinearLayout>

Create one menu folder under res folder 

Under menu folder create below two xml files

activity_main_drawer.xml

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

<menu xmlns:android="http://schemas.android.com/apk/res/android">

    <group android:checkableBehavior="single">

        <item

            android:id="@+id/nav_camera"

            android:icon="@drawable/ic_menu_camera"

            android:title="Import" />

        <item

            android:id="@+id/nav_gallery"

            android:icon="@drawable/ic_menu_gallery"

            android:title="Gallery" />

        <item

            android:id="@+id/nav_slideshow"

            android:icon="@drawable/ic_menu_slideshow"

            android:title="Slideshow" />

        <item

            android:id="@+id/nav_manage"

            android:icon="@drawable/ic_menu_manage"

            android:title="Tools" />

    </group>

    <item android:title="Communicate">

        <menu>

            <item

                android:id="@+id/nav_share"

                android:icon="@drawable/ic_menu_share"

                android:title="Share" />

            <item

                android:id="@+id/nav_send"

                android:icon="@drawable/ic_menu_send"

                android:title="Send" />

        </menu>

    </item>

</menu>

main.xml

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

<menu xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:app="http://schemas.android.com/apk/res-auto">

    <item

        android:id="@+id/action_settings"

        android:orderInCategory="100"

        android:title="@string/action_settings"

        app:showAsAction="never" />

</menu>

MainActivity

package com.chantisandroid.exampleapp;

import android.os.Bundle;

import android.support.design.widget.FloatingActionButton;

import android.support.design.widget.Snackbar;

import android.view.View;

import android.support.design.widget.NavigationView;

import android.support.v4.view.GravityCompat;

import android.support.v4.widget.DrawerLayout;

import android.support.v7.app.ActionBarDrawerToggle;

import android.support.v7.app.AppCompatActivity;

import android.support.v7.widget.Toolbar;

import android.view.Menu;

import android.view.MenuItem;

public class MainActivity extends AppCompatActivity

        implements NavigationView.OnNavigationItemSelectedListener {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

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

        setSupportActionBar(toolbar);

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);

        fab.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View view) {

                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)

                        .setAction("Action", null).show();

            }

        });

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);

        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(

                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);

        drawer.setDrawerListener(toggle);

        toggle.syncState();

        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);

        navigationView.setNavigationItemSelectedListener(this);

    }

    @Override

    public void onBackPressed() {

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);

        if (drawer.isDrawerOpen(GravityCompat.START)) {

            drawer.closeDrawer(GravityCompat.START);

        } else {

            super.onBackPressed();

        }

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.main, menu);

        return true;

    }

    @Override

    public boolean onOptionsItemSelected(MenuItem item) {

        // Handle action bar item clicks here. The action bar will

        // automatically handle clicks on the Home/Up button, so long

        // as you specify a parent activity in AndroidManifest.xml.

        int id = item.getItemId();

        //noinspection SimplifiableIfStatement

        if (id == R.id.action_settings) {

            return true;

        }

        return super.onOptionsItemSelected(item);

    }

    @SuppressWarnings("StatementWithEmptyBody")

    @Override

    public boolean onNavigationItemSelected(MenuItem item) {

        // Handle navigation view item clicks here.

        int id = item.getItemId();

        if (id == R.id.nav_camera) {

            // Handle the camera action

        } else if (id == R.id.nav_gallery) {

        } else if (id == R.id.nav_slideshow) {

        } else if (id == R.id.nav_manage) {

        } else if (id == R.id.nav_share) {

        } else if (id == R.id.nav_send) {

        }

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);

        drawer.closeDrawer(GravityCompat.START);

        return true;

    }

}

build.gradle(Module: app)

apply plugin: 'com.android.application'

android {

    compileSdkVersion 26

    buildToolsVersion "25.0.2"

    defaultConfig {

        applicationId "com.chantisandroid.exampleapp"

        minSdkVersion 14

        targetSdkVersion 26

        versionCode 1

        versionName "1.0"

        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

    }

    buildTypes {

        release {

            minifyEnabled false

            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

        }

    }

}

dependencies {

    compile fileTree(dir: 'libs', include: ['*.jar'])

    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {

        exclude group: 'com.android.support', module: 'support-annotations'

    })

    compile 'com.android.support:appcompat-v7:26.+'

    compile 'com.android.support:design:26.+'

    compile 'com.android.support.constraint:constraint-layout:1.0.2'

    testCompile 'junit:junit:4.12'

}

NOTE:

For images you can download your own PNG images and add to in drawable folder it is under res folder

Complete Login Application using Shared Preference in Android

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Google Maps example in Android

activity_maps.xml
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:map="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/map"
    android:name="com.google.android.gms.maps.SupportMapFragment"
    android:layout_width="match_parent"
    android:layout_height="match_parent"

    tools:context="com.chantisandroid.mapsexample.MapsActivity" />


* Under values folder create google_maps_api.xml file

google_maps_api.xml
<resources>
 
    <string name="google_maps_key" templateMergeStrategy="preserve" translatable="false">YOUR_KEY_HERE</string>

</resources>

* To get your google maps api key from 
https://console.developers.google.com/  and paste it above YOUR_KEY_HERE

build.gradle:
apply plugin: 'com.android.application'

android {
    compileSdkVersion 26
    buildToolsVersion "25.0.2"
    defaultConfig {
        applicationId "com.chantisandroid.mapsexample"
        minSdkVersion 14
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    compile 'com.android.support:appcompat-v7:26.+'
    compile 'com.google.android.gms:play-services-maps:11.0.0'
    testCompile 'junit:junit:4.12'
}



MapsActivity:
package com.chantisandroid.mapsexample;

import android.support.v4.app.FragmentActivity;
import android.os.Bundle;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;

public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {

    private GoogleMap mMap;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_maps);
        // Obtain the SupportMapFragment and get notified when the map is ready to be used.
        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);
    }


    /**
     * Manipulates the map once available.
     * This callback is triggered when the map is ready to be used.
     * This is where we can add markers or lines, add listeners or move the camera. In this case,
     * we just add a marker near Sydney, Australia.
     * If Google Play services is not installed on the device, the user will be prompted to install
     * it inside the SupportMapFragment. This method will only be triggered once the user has
     * installed Google Play services and returned to the app.
     */
    @Override
    public void onMapReady(GoogleMap googleMap) {
        mMap = googleMap;

        // Add a marker in Sydney and move the camera
        LatLng sydney = new LatLng(-34, 151);
        mMap.addMarker(new MarkerOptions().position(sydney).title("Marker in Sydney"));
        mMap.moveCamera(CameraUpdateFactory.newLatLng(sydney));
    }

}

AndroidManifest.xml:

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

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.chantisandroid.mapsexample">

    <!--

         The ACCESS_COARSE/FINE_LOCATION permissions are not required to use

         Google Maps Android API v2, but you must specify either coarse or fine

         location permissions for the 'MyLocation' functionality. 

    -->

    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

    <application

        android:allowBackup="true"

        android:icon="@mipmap/ic_launcher"

        android:label="@string/app_name"

        android:roundIcon="@mipmap/ic_launcher_round"

        android:supportsRtl="true"

        android:theme="@style/AppTheme">

        <!--

             The API key for Google Maps-based APIs is defined as a string resource.

             (See the file "res/values/google_maps_api.xml").

             Note that the API key is linked to the encryption key used to sign the APK.

             You need a different API key for each encryption key, including the release key that is used to

             sign the APK for publishing.

             You can define the keys for the debug and release targets in src/debug/ and src/release/. 

        -->

        <meta-data

            android:name="com.google.android.geo.API_KEY"

            android:value="@string/google_maps_key" />

        <activity

            android:name=".MapsActivity"

            android:label="@string/title_activity_maps">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>

</manifest>

Bottom Navigation Bar example in android

activity_main.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:id="@+id/container"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.chantisandroid.bottomnavigationview.MainActivity">

    <FrameLayout
        android:id="@+id/content"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1">

        <TextView
            android:id="@+id/message"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginBottom="@dimen/activity_vertical_margin"
            android:layout_marginLeft="@dimen/activity_horizontal_margin"
            android:layout_marginRight="@dimen/activity_horizontal_margin"
            android:layout_marginTop="@dimen/activity_vertical_margin"
            android:text="@string/title_home" />

    </FrameLayout>

    <android.support.design.widget.BottomNavigationView
        android:id="@+id/navigation"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom"
        android:background="?android:attr/windowBackground"
        app:menu="@menu/menu_navigation" />


</LinearLayout>

* Create menu folder under res folder 

* Under menu folder create new menu xml file

menu_navigation.xml:

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

<menu xmlns:android="http://schemas.android.com/apk/res/android">

    <item

        android:id="@+id/navigation_home"

        android:icon="@drawable/ic_home_black_24dp"

        android:title="@string/title_home" />

    <item

        android:id="@+id/navigation_dashboard"

        android:icon="@drawable/ic_dashboard_black_24dp"

        android:title="@string/title_dashboard" />

    <item

        android:id="@+id/navigation_notifications"

        android:icon="@drawable/ic_notifications_black_24dp"

        android:title="@string/title_notifications" />

</menu>

* Under drawable folder crete three xmls for Images

ic_dashboard_black_24dp.xml:

<vector xmlns:android="http://schemas.android.com/apk/res/android"

    android:width="24dp"

    android:height="24dp"

    android:viewportHeight="24.0"

    android:viewportWidth="24.0">

    <path

        android:fillColor="#FF000000"

        android:pathData="M3,13h8L11,3L3,3v10zM3,21h8v-6L3,15v6zM13,21h8L21,11h-8v10zM13,3v6h8L21,3h-8z" />

</vector>

ic_home_black_24dp.xml:

<vector xmlns:android="http://schemas.android.com/apk/res/android"

    android:width="24dp"

    android:height="24dp"

    android:viewportHeight="24.0"

    android:viewportWidth="24.0">

    <path

        android:fillColor="#FF000000"

        android:pathData="M10,20v-6h4v6h5v-8h3L12,3 2,12h3v8z" />

</vector>

ic_notifications_black_24dp.xml:

<vector xmlns:android="http://schemas.android.com/apk/res/android"

    android:width="24dp"

    android:height="24dp"

    android:viewportHeight="24.0"

    android:viewportWidth="24.0">

    <path

        android:fillColor="#FF000000"

        android:pathData="M12,22c1.1,0 2,-0.9 2,-2h-4c0,1.1 0.89,2 2,2zM18,16v-5c0,-3.07 -1.64,-5.64 -4.5,-6.32L13.5,4c0,-0.83 -0.67,-1.5 -1.5,-1.5s-1.5,0.67 -1.5,1.5v0.68C7.63,5.36 6,7.92 6,11v5l-2,2v1h16v-1l-2,-2z" />

</vector>

build.gradle:

apply plugin: 'com.android.application'

android {

    compileSdkVersion 25

    buildToolsVersion "25.0.2"

    defaultConfig {

        applicationId "com.chantisandroid.bottomnavigationview"

        minSdkVersion 14

        targetSdkVersion 25

        versionCode 1

        versionName "1.0"

        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

        vectorDrawables.useSupportLibrary = true

    }

    buildTypes {

        release {

            minifyEnabled false

            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

        }

    }

}

dependencies {

    compile fileTree(dir: 'libs', include: ['*.jar'])

    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {

        exclude group: 'com.android.support', module: 'support-annotations'

    })

    compile 'com.android.support:appcompat-v7:25.3.1'

    compile 'com.android.support:design:25.3.1'

    compile 'com.android.support:support-vector-drawable:25.3.1'     // add this two dependencies

    testCompile 'junit:junit:4.12'

}

MainActivity:

package com.chantisandroid.bottomnavigationview;

import android.os.Bundle;

import android.support.annotation.NonNull;

import android.support.design.widget.BottomNavigationView;

import android.support.v7.app.AppCompatActivity;

import android.view.MenuItem;

import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    private TextView mTextMessage;

    private BottomNavigationView.OnNavigationItemSelectedListener mOnNavigationItemSelectedListener

            = new BottomNavigationView.OnNavigationItemSelectedListener() {

        @Override

        public boolean onNavigationItemSelected(@NonNull MenuItem item) {

            switch (item.getItemId()) {

                case R.id.navigation_home:

                    mTextMessage.setText(R.string.title_home);

                    return true;

                case R.id.navigation_dashboard:

                    mTextMessage.setText(R.string.title_dashboard);

                    return true;

                case R.id.navigation_notifications:

                    mTextMessage.setText(R.string.title_notifications);

                    return true;

            }

            return false;

        }

    };

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        mTextMessage = (TextView) findViewById(R.id.message);

        BottomNavigationView navigation = (BottomNavigationView) findViewById(R.id.navigation);

        navigation.setOnNavigationItemSelectedListener(mOnNavigationItemSelectedListener);

    }

}

strings.xml:

<resources>

    <string name="app_name">BottomNavigationBar</string>

    <string name="title_home">Home</string>

    <string name="title_dashboard">Dashboard</string>

    <string name="title_notifications">Notifications</string>

</resources>

Get Current Location example in Android with Marshmallow run time Permission

activity_main.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <Button
        android:id="@+id/button_location"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="146dp"
        android:text="GET LOCATION" />

    <TextView
        android:id="@+id/text_location"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"
        android:textSize="16dp"/>

</RelativeLayout>

MainActivity.java:

package com.chantisandroid.sample;

import android.Manifest;

import android.app.AlertDialog;

import android.content.Context;

import android.content.DialogInterface;

import android.content.Intent;

import android.content.pm.PackageManager;

import android.location.Location;

import android.location.LocationManager;

import android.provider.Settings;

import android.support.v4.app.ActivityCompat;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    private static final int REQUEST_LOCATION = 1;

    Button button;

    TextView textView;

    LocationManager locationManager;

    String lattitude,longitude;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.ACCESS_FINE_LOCATION}, REQUEST_LOCATION);

        textView = (TextView)findViewById(R.id.text_location);

        button = (Button)findViewById(R.id.button_location);

        button.setOnClickListener(this);

    }

    @Override

    public void onClick(View view) {

        locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);

        if (!locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {

            buildAlertMessageNoGps();

        } else if (locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {

            getLocation();

        }

    }

    private void getLocation() {

        if (ActivityCompat.checkSelfPermission(MainActivity.this, Manifest.permission.ACCESS_FINE_LOCATION)

                != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission

                (MainActivity.this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {

            ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, REQUEST_LOCATION);

        } else {

            Location location = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);

            Location location1 = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);

           Location location2 = locationManager.getLastKnownLocation(LocationManager. PASSIVE_PROVIDER);

            if (location != null) {

                double latti = location.getLatitude();

                double longi = location.getLongitude();

                lattitude = String.valueOf(latti);

                longitude = String.valueOf(longi);

                textView.setText("Your current location is"+ "\n" + "Lattitude = " + lattitude

                + "\n" + "Longitude = " + longitude);

            } else  if (location1 != null) {

                double latti = location1.getLatitude();

                double longi = location1.getLongitude();

                lattitude = String.valueOf(latti);

                longitude = String.valueOf(longi);

                textView.setText("Your current location is"+ "\n" + "Lattitude = " + lattitude

                + "\n" + "Longitude = " + longitude);

               

            } else  if (location2 != null) {

                double latti = location2.getLatitude();

                double longi = location2.getLongitude();

                lattitude = String.valueOf(latti);

                longitude = String.valueOf(longi);

                textView.setText("Your current location is"+ "\n" + "Lattitude = " + lattitude

                + "\n" + "Longitude = " + longitude);

               

            }else{

               Toast.makeText(this,"Unble to Trace your location",Toast.LENGTH_SHORT).show();

             }

        }

    }

    protected void buildAlertMessageNoGps() {

        final AlertDialog.Builder builder = new AlertDialog.Builder(this);

        builder.setMessage("Please Turn ON your GPS Connection")

                .setCancelable(false)

                .setPositiveButton("Yes", new DialogInterface.OnClickListener() {

                    public void onClick(final DialogInterface dialog, final int id) {

                        startActivity(new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS));

                    }

                })

                .setNegativeButton("No", new DialogInterface.OnClickListener() {

                    public void onClick(final DialogInterface dialog, final int id) {

                        dialog.cancel();

                    }

                });

        final AlertDialog alert = builder.create();

        alert.show();

    }

}

AndroidManifest.xml:

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

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.chantisandroid.sample">

    <uses-permission android:name="android.permission.INTERNET"/>

    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />

    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

    <application

        android:allowBackup="true"

        android:icon="@mipmap/ic_launcher"

        android:label="@string/app_name"

        android:roundIcon="@mipmap/ic_launcher_round"

        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>

Android 6.0(Marshmallow) Runtime Permissions

 Android 6.0 Runtime permissions :

1) For read phone state

Request Permission :
 ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_PHONE_STATE}, 1);

Check Permission :
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.READ_PHONE_STATE)
                        != PackageManager.PERMISSION_GRANTED) {

                    ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.READ_PHONE_STATE}, 1);

                } else {

                  //call your method
                }


2) For Read and Write External storage

Request Permission :
 ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.WRITE_EXTERNAL_STORAGE}, REQUEST_CODE);

 ActivityCompat.requestPermissions((this, new String[]{android.Manifest.permission.READ_EXTERNAL_STORAGE},READ_STORAGE);

Check Permission :
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.WRITE_EXTERNAL_STORAGE)
 != PackageManager.REQUEST_CODE) {

                    ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.WRITE_EXTERNAL_STORAGE}, REQUEST_CODE);

                } else {

                  //call your method
                }



if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.READ_EXTERNAL_STORAGE)
 != PackageManager.READ_STORAGE) {

                    ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.READ_EXTERNAL_STORAGE}, READ_STORAGE);

                } else {

                  //call your method
                }

3) For manage Phone Calls

Request Permission :
 ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.CALL_PHONE}, REQUEST_CODE);

Check Permission 
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.CALL_PHONE)
 != PackageManager.REQUEST_CODE) {

                    ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.CALL_PHONE}, REQUEST_CODE);

                } else {

                  //call your method
                }

4) For GPS permission

Request Permission :
 ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, REQUEST_LOCATION);

Check Permission 
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION)
 != PackageManager.REQUEST_LOCATION) {

                    ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.ACCESS_FINE_LOCATION}, REQUEST_LOCATION);

                } else {

                  //call your method
                }

5) For Camera permission

Request Permission :
 ActivityCompat.requestPermissions(this, new String[] {android.Manifest.permission.CAMERA}, requestCode);

Check Permission 
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.CAMERA)
 != PackageManager.requestCode) {

                    ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.CAMERA}, requestCode);

                } else {

                  //call your method
                }

6) For Send SMS permission

Request Permission :
  ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.SEND_SMS},  requestCode);

Check Permission 
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.SEND_SMS)
 != PackageManager.requestCode) {

                    ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.SEND_SMS}, requestCode);

                } else {

                  //call your method
                }

7) For Received SMS

Request Permission :

ActivityCompat.requestPermissions(this, new String[] 
{android.Manifest.permission.RECEIVE_SMS}, PERMISSION_REQUEST_CODE);

Check Permission 
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.RECEIVE_SMS)
 != PackageManager.PERMISSION_REQUEST_CODE) {

                    ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.RECEIVE_SMS}, PERMISSION_REQUEST_CODE);

                } else {

                  //call your method
                }

8) For Read Contacts permission

Request Permission :
 ActivityCompat.requestPermissions(this,new String[]{Manifest.permission.READ_CONTACTS},REQUEST_READ_CONTACT);

Check Permission 
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.READ_CONTACTS)
 != PackageManager.REQUEST_READ_CONTACT) {

                    ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.READ_CONTACTS}, REQUEST_READ_CONTACT);

                } else {

                  //call your method
                }

Check Internet Connection using Broadcast Receiver in Android

activity_main.xml:
<?xml version="1.0" encoding="utf-8"?>
<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"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.chantisandroid.checkinternetconnection.MainActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:text="Welcome to ChantisAndroid"
        android:id="@+id/textView"
        android:layout_centerVertical="true"
        android:layout_centerHorizontal="true" />
</RelativeLayout>


internet_screen.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:descendantFocusability="beforeDescendants"
    android:focusableInTouchMode="true"
    android:background="@android:color/white" >

    <TextView
        android:id="@+id/textView1"
        android:layout_height="wrap_content"
        android:layout_width="wrap_content"
        android:layout_gravity="center"
        android:layout_marginTop="35dp"
        android:textSize="25dp"
        android:textColor="@android:color/holo_red_dark"
        android:text="Oops! No Internet Connection"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true" />

    <ImageView
        android:id="@+id/tapretry1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:src="@drawable/errordownload"   //you can download image for no Internet                                                                            and paste to drawable under res folder
        android:layout_centerVertical="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />


</RelativeLayout>


MainActivity.java:
package com.chantisandroid.checkinternetconnection;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class MainActivity extends AppCompatActivity implements ConnectivityReceiver.ConnectivityReceiverListener {

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

        checkConnection();
    }

    private void checkConnection() {
        boolean isConnected = ConnectivityReceiver.isConnected();
        showSnack(isConnected);
    }

    private void showSnack(boolean isConnected) {
        if (isConnected) {
            setContentView(R.layout.activity_main);

        } else {
            setContentView(R.layout.internet_screen);
        }
    }

    @Override
    protected void onResume() {
        super.onResume();
        MyApplication.getInstance().setConnectivityListener(this);
    }

    @Override
    public void onNetworkConnectionChanged(boolean isConnected) {
        showSnack(isConnected);
    }

}


ConnectivityReceiver.java:
package com.chantisandroid.checkinternetconnection;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

public class ConnectivityReceiver extends BroadcastReceiver {

    public static ConnectivityReceiverListener connectivityReceiverListener;
    public ConnectivityReceiver() {
        super();
    }

    @Override
    public void onReceive(Context context, Intent arg1) {
        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
        boolean isConnected = activeNetwork != null && activeNetwork.isConnectedOrConnecting();

        if (connectivityReceiverListener != null) {
            connectivityReceiverListener.onNetworkConnectionChanged(isConnected);
        }
    }

    public static boolean isConnected() {
        ConnectivityManager cm = (ConnectivityManager) MyApplication.getInstance().getApplicationContext()
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
        return activeNetwork != null && activeNetwork.isConnectedOrConnecting();
    }
    public interface ConnectivityReceiverListener {
        void onNetworkConnectionChanged(boolean isConnected);
    }

}


MyApplication.java:
package com.chantisandroid.checkinternetconnection;

import android.app.Application;

public class MyApplication extends Application {

    private static MyApplication mInstance;

    @Override
    public void onCreate() {
        super.onCreate();

        mInstance = this;
    }

    public static synchronized MyApplication getInstance() {
        return mInstance;
    }

    public void setConnectivityListener(ConnectivityReceiver.ConnectivityReceiverListener listener) {
        ConnectivityReceiver.connectivityReceiverListener = listener;
    }

}


AndroidManifest.xml:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    package="com.chantisandroid.checkinternetconnection">

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <application
        android:name=".MyApplication"
        android:allowBackup="true"
        android:fullBackupContent="true"
        android:hardwareAccelerated="false"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:largeHeap="true"
        android:supportsRtl="true"
        android:theme="@style/AppTheme"
        tools:ignore="GoogleAppIndexingWarning">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

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

        <receiver
            android:name=".ConnectivityReceiver"
            android:enabled="true">
            <intent-filter>
                <action
                    android:name="android.net.conn.CONNECTIVITY_CHANGE"
                    tools:ignore="BatteryLife" />
            </intent-filter>
        </receiver>

    </application>


</manifest>