Add request permision location and check location is on it nead Android M+

app/build.gradle

@@ -1,12 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion "24.0.2"
+    compileSdkVersion 26
+    buildToolsVersion "27.0.1"
     defaultConfig {
         applicationId "com.farproc.wifi.connecter"
-        minSdkVersion 3
-        targetSdkVersion 14
+        minSdkVersion 19
+        targetSdkVersion 26
         versionCode 16
         versionName "2.0.3"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -24,4 +24,5 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
+    compile "com.android.support:appcompat-v7:26.1.0"
 }

app/src/main/AndroidManifest.xml

@@ -31,8 +31,11 @@
           xmlns:android="http://schemas.android.com/apk/res/android"
           android:installLocation="auto">
 
-    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
-    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission>
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
+    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+
 
     <application
         android:icon="@drawable/icon"
@@ -42,10 +45,10 @@
         Step1: Uncomment the below <activity/> declaration.
         Step2: Run > Edit Configurations... > General > Launch Options > Launch:Specified Activity & Activity:com.farproc.wifi.connecter.TestWifiScan
         -->
-        <!--
+
         <activity android:name=".TestWifiScan"
             android:exported="true"/>
-        -->
+
 
         <activity
             android:name="MainActivity"

app/src/main/java/com/farproc/wifi/connecter/ReenableAllApsWhenNetworkStateChanged.java

@@ -43,7 +43,7 @@ public static void schedule(final Context ctx) {
 	}
 
 	private static void reenableAllAps(final Context ctx) {
-		final WifiManager wifiMgr = (WifiManager)ctx.getSystemService(Context.WIFI_SERVICE);
+		final WifiManager wifiMgr = (WifiManager)ctx.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
 		final List<WifiConfiguration> configurations = wifiMgr.getConfiguredNetworks();
 		if(configurations != null) {
 			for(final WifiConfiguration config:configurations) {

app/src/main/java/com/farproc/wifi/connecter/TestWifiScan.java

@@ -27,17 +27,27 @@
 
 import java.util.List;
 
+import android.Manifest;
 import android.app.Activity;
+import android.app.AlertDialog;
 import android.app.ListActivity;
 import android.content.ActivityNotFoundException;
 import android.content.BroadcastReceiver;
 import android.content.Context;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.pm.PackageManager;
+import android.location.LocationManager;
 import android.net.Uri;
 import android.net.wifi.ScanResult;
 import android.net.wifi.WifiManager;
+import android.os.Build;
 import android.os.Bundle;
+import android.provider.Settings;
+import android.support.annotation.NonNull;
+import android.support.v4.app.ActivityCompat;
+import android.view.ContextThemeWrapper;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
@@ -55,8 +65,15 @@ public class TestWifiScan extends ListActivity {
 	@Override
     public void onCreate(Bundle savedInstanceState) {
     	super.onCreate(savedInstanceState);
-
-    	mWifiManager = (WifiManager)getSystemService(WIFI_SERVICE);
+
+		setLocationPermission();
+		if(permisionLocationOn())
+		{
+			checkLocationTurnOn();
+		}
+
+
+    	mWifiManager = (WifiManager)getApplicationContext().getSystemService(WIFI_SERVICE);
 
     	setListAdapter(mListAdapter);
 
@@ -171,4 +188,66 @@ private static void downloadWifiConnecter(final Activity activity) {
 			}
 		}
 	}
+	public Boolean permisionLocationOn() {
+		boolean permissionGranted = ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED;
+		if (permissionGranted) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+	public void setLocationPermission() {
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && this.checkSelfPermission(Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
+			//requestPermissions(new String[]{android.Manifest.permission.ACCESS_COARSE_LOCATION}, 1001);
+			ActivityCompat.requestPermissions(this,new String[]{Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION}, 1001);
+		}
+
+	}
+
+	@Override
+	public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+		super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+		switch (requestCode) {
+			case 1001: {
+				if (grantResults.length > 0
+						&& grantResults[0] == PackageManager.PERMISSION_GRANTED
+						&& (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED
+						|| ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED)) {
+					//Start your service here
+				}
+			}
+		}
+	}
+
+	public Boolean checkLocationTurnOn(){
+		boolean onLocation=true;
+		boolean permissionGranted = ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED;
+		if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && permissionGranted) {
+			LocationManager lm = (LocationManager)this.getSystemService(Context.LOCATION_SERVICE);
+			boolean gps_enabled = lm.isProviderEnabled(LocationManager.GPS_PROVIDER);
+			if(!gps_enabled){
+				onLocation =false;
+				AlertDialog.Builder dialog = new AlertDialog.Builder(new ContextThemeWrapper(this, R.style.PlatformDialog));
+				//android.support.v7.app.AlertDialog.Builder dialog = new android.support.v7.app.AlertDialog.Builder(this);
+				dialog.setMessage("Please turn on your location");
+				dialog.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
+					@Override
+					public void onClick(DialogInterface paramDialogInterface, int paramInt) {
+						Intent myIntent = new Intent( Settings.ACTION_LOCATION_SOURCE_SETTINGS);
+						startActivity(myIntent);
+					}
+				});
+				dialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
+
+					@Override
+					public void onClick(DialogInterface paramDialogInterface, int paramInt) {
+
+					}
+				});
+				dialog.show();
+			}
+		}
+		return onLocation;
+	}
 }
+

build.gradle

@@ -3,9 +3,10 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -15,6 +16,7 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }