Initial commit

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 24
+    buildToolsVersion "24.2.1"
+    defaultConfig {
+        minSdkVersion 19
+        targetSdkVersion 24
+        applicationId "com.journaldev.gpslocationtracking"
+        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-v7:24.2.1'
+    compile 'com.android.support:support-v4:24.2.1'
+    compile 'com.android.support:design:24.2.1'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /Users/anupamchugh/Library/Android/sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

app/src/androidTest/java/com/journaldev/gpslocationtracking/ExampleInstrumentedTest.java

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+package com.journaldev.gpslocationtracking;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumentation test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.journaldev.gpslocationtracking", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.journaldev.gpslocationtracking">
+
+    <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: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>

app/src/main/java/com/journaldev/gpslocationtracking/LocationTrack.java

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+package com.journaldev.gpslocationtracking;
+
+import android.Manifest;
+import android.app.Service;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.location.Location;
+import android.location.LocationListener;
+import android.location.LocationManager;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.provider.Settings;
+import android.support.v4.app.ActivityCompat;
+import android.support.v7.app.AlertDialog;
+import android.widget.Toast;
+
+//import javax.naming.Context;
+//import javax.xml.stream.Location;
+//import javax.xml.ws.Service;
+
+/**
+ * Created by anupamchugh on 28/11/16.
+ */
+
+public class LocationTrack extends Service implements LocationListener {
+
+    private final Context mContext;
+
+
+    boolean checkGPS = false;
+
+
+    boolean checkNetwork = false;
+
+    boolean canGetLocation = false;
+
+    Location loc;
+    double latitude;
+    double longitude;
+
+
+    private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 10;
+
+
+    private static final long MIN_TIME_BW_UPDATES = 1000 * 60 * 1;
+    protected LocationManager locationManager;
+
+    public LocationTrack(Context mContext) {
+        this.mContext = mContext;
+        getLocation();
+    }
+
+    private Location getLocation() {
+
+        try {
+            locationManager = (LocationManager) mContext
+                    .getSystemService(LOCATION_SERVICE);
+
+            // get GPS status
+            checkGPS = locationManager
+                    .isProviderEnabled(LocationManager.GPS_PROVIDER);
+
+            // get network provider status
+            checkNetwork = locationManager
+                    .isProviderEnabled(LocationManager.NETWORK_PROVIDER);
+
+            if (!checkGPS && !checkNetwork) {
+                Toast.makeText(mContext, "No Service Provider is available", Toast.LENGTH_SHORT).show();
+            } else {
+                this.canGetLocation = true;
+
+                // if GPS Enabled get lat/long using GPS Services
+                if (checkGPS) {
+
+                    if (ActivityCompat.checkSelfPermission(mContext, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(mContext, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
+                        // TODO: Consider calling
+                        //    ActivityCompat#requestPermissions
+                        // here to request the missing permissions, and then overriding
+                        //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
+                        //                                          int[] grantResults)
+                        // to handle the case where the user grants the permission. See the documentation
+                        // for ActivityCompat#requestPermissions for more details.
+                    }
+                    locationManager.requestLocationUpdates(
+                            LocationManager.GPS_PROVIDER,
+                            MIN_TIME_BW_UPDATES,
+                            MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
+                    if (locationManager != null) {
+                        loc = locationManager
+                                .getLastKnownLocation(LocationManager.GPS_PROVIDER);
+                        if (loc != null) {
+                            latitude = loc.getLatitude();
+                            longitude = loc.getLongitude();
+                        }
+                    }
+
+
+                }
+
+
+                /*if (checkNetwork) {
+
+
+                    if (ActivityCompat.checkSelfPermission(mContext, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(mContext, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
+                        // TODO: Consider calling
+                        //    ActivityCompat#requestPermissions
+                        // here to request the missing permissions, and then overriding
+                        //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
+                        //                                          int[] grantResults)
+                        // to handle the case where the user grants the permission. See the documentation
+                        // for ActivityCompat#requestPermissions for more details.
+                    }
+                    locationManager.requestLocationUpdates(
+                            LocationManager.NETWORK_PROVIDER,
+                            MIN_TIME_BW_UPDATES,
+                            MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
+
+                    if (locationManager != null) {
+                        loc = locationManager
+                                .getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
+
+                    }
+
+                    if (loc != null) {
+                        latitude = loc.getLatitude();
+                        longitude = loc.getLongitude();
+                    }
+                }*/
+
+            }
+
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        return loc;
+    }
+
+    public double getLongitude() {
+        if (loc != null) {
+            longitude = loc.getLongitude();
+        }
+        return longitude;
+    }
+
+    public double getLatitude() {
+        if (loc != null) {
+            latitude = loc.getLatitude();
+        }
+        return latitude;
+    }
+
+    public boolean canGetLocation() {
+        return this.canGetLocation;
+    }
+
+    public void showSettingsAlert() {
+        AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext);
+
+
+        alertDialog.setTitle("GPS is not Enabled!");
+
+        alertDialog.setMessage("Do you want to turn on GPS?");
+
+
+        alertDialog.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
+            public void onClick(DialogInterface dialog, int which) {
+                Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
+                mContext.startActivity(intent);
+            }
+        });
+
+
+        alertDialog.setNegativeButton("No", new DialogInterface.OnClickListener() {
+            public void onClick(DialogInterface dialog, int which) {
+                dialog.cancel();
+            }
+        });
+
+
+        alertDialog.show();
+    }
+
+
+    public void stopListener() {
+        if (locationManager != null) {
+
+            if (ActivityCompat.checkSelfPermission(mContext, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(mContext, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
+                // TODO: Consider calling
+                //    ActivityCompat#requestPermissions
+                // here to request the missing permissions, and then overriding
+                //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
+                //                                          int[] grantResults)
+                // to handle the case where the user grants the permission. See the documentation
+                // for ActivityCompat#requestPermissions for more details.
+                return;
+            }
+            locationManager.removeUpdates(LocationTrack.this);
+        }
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return null;
+    }
+
+    @Override
+    public void onLocationChanged(Location location) {
+
+    }
+
+    @Override
+    public void onStatusChanged(String s, int i, Bundle bundle) {
+
+    }
+
+    @Override
+    public void onProviderEnabled(String s) {
+
+    }
+
+    @Override
+    public void onProviderDisabled(String s) {
+
+    }
+}

app/src/main/java/com/journaldev/gpslocationtracking/MainActivity.java

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+package com.journaldev.gpslocationtracking;
+
+import android.annotation.TargetApi;
+import android.content.DialogInterface;
+import android.content.pm.PackageManager;
+import android.os.Build;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.Toast;
+
+import java.util.ArrayList;
+
+import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
+import static android.Manifest.permission.ACCESS_FINE_LOCATION;
+
+public class MainActivity extends AppCompatActivity {
+
+
+    private ArrayList<String> permissionsToRequest;
+    private ArrayList<String> permissionsRejected = new ArrayList<>();
+    private ArrayList<String> permissions = new ArrayList<>();
+
+    private final static int ALL_PERMISSIONS_RESULT = 101;
+    LocationTrack locationTrack;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        permissions.add(ACCESS_FINE_LOCATION);
+        permissions.add(ACCESS_COARSE_LOCATION);
+
+        permissionsToRequest = findUnAskedPermissions(permissions);
+        //get the permissions we have asked for before but are not granted..
+        //we will store this in a global list to access later.
+
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+
+
+            if (permissionsToRequest.size() > 0)
+                requestPermissions(permissionsToRequest.toArray(new String[permissionsToRequest.size()]), ALL_PERMISSIONS_RESULT);
+        }
+
+
+        Button btn = (Button) findViewById(R.id.btn);
+
+
+        btn.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+
+                locationTrack = new LocationTrack(MainActivity.this);
+
+
+                if (locationTrack.canGetLocation()) {
+
+
+                    double longitude = locationTrack.getLongitude();
+                    double latitude = locationTrack.getLatitude();
+
+                    Toast.makeText(getApplicationContext(), "Longitude:" + Double.toString(longitude) + "\nLatitude:" + Double.toString(latitude), Toast.LENGTH_SHORT).show();
+                } else {
+
+                    locationTrack.showSettingsAlert();
+                }
+
+            }
+        });
+
+    }
+
+
+    private ArrayList<String> findUnAskedPermissions(ArrayList<String> wanted) {
+        ArrayList<String> result = new ArrayList<String>();
+
+        for (String perm : wanted) {
+            if (!hasPermission(perm)) {
+                result.add(perm);
+            }
+        }
+
+        return result;
+    }
+
+    private boolean hasPermission(String permission) {
+        if (canMakeSmores()) {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                return (checkSelfPermission(permission) == PackageManager.PERMISSION_GRANTED);
+            }
+        }
+        return true;
+    }
+
+    private boolean canMakeSmores() {
+        return (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP_MR1);
+    }
+
+
+    @TargetApi(Build.VERSION_CODES.M)
+    @Override
+    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
+
+        switch (requestCode) {
+
+            case ALL_PERMISSIONS_RESULT:
+                for (String perms : permissionsToRequest) {
+                    if (!hasPermission(perms)) {
+                        permissionsRejected.add(perms);
+                    }
+                }
+
+                if (permissionsRejected.size() > 0) {
+
+
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                        if (shouldShowRequestPermissionRationale(permissionsRejected.get(0))) {
+                            showMessageOKCancel("These permissions are mandatory for the application. Please allow access.",
+                                    new DialogInterface.OnClickListener() {
+                                        @Override
+                                        public void onClick(DialogInterface dialog, int which) {
+                                            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                                                requestPermissions(permissionsRejected.toArray(new String[permissionsRejected.size()]), ALL_PERMISSIONS_RESULT);
+                                            }
+                                        }
+                                    });
+                            return;
+                        }
+                    }
+
+                }
+
+                break;
+        }
+
+    }
+
+    private void showMessageOKCancel(String message, DialogInterface.OnClickListener okListener) {
+        new AlertDialog.Builder(MainActivity.this)
+                .setMessage(message)
+                .setPositiveButton("OK", okListener)
+                .setNegativeButton("Cancel", null)
+                .create()
+                .show();
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        locationTrack.stopListener();
+    }
+}

app/src/main/res/layout/activity_main.xml

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+<?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:id="@+id/activity_main"
+    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.journaldev.gpslocationtracking.MainActivity">
+
+    <Button
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:id="@+id/btn"
+        android:layout_centerInParent="true"
+        android:text="GET LOCATION" />
+</RelativeLayout>

app/src/main/res/values-w820dp/dimens.xml

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+<resources>
+    <!-- Example customization of dimensions originally defined in res/values/dimens.xml
+         (such as screen margins) for screens with more than 820dp of available width. This
+         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
+    <dimen name="activity_horizontal_margin">64dp</dimen>
+</resources>

app/src/main/res/values/colors.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>

app/src/main/res/values/dimens.xml

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+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+</resources>

app/src/main/res/values/strings.xml

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+<resources>
+    <string name="app_name">GPSLocationTracking</string>
+</resources>

app/src/main/res/values/styles.xml

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+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>

app/src/test/java/com/journaldev/gpslocationtracking/ExampleUnitTest.java

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+package com.journaldev.gpslocationtracking;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() throws Exception {
+        assertEquals(4, 2 + 2);
+    }
+}