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Merge pull request #1506 from kiwix/iadeelzafar/manual-hotspot

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Iadeelzafar/manual hotspot
This commit is contained in:
Seán Mac Gillicuddy 2019-09-23 15:33:22 +01:00 committed by GitHub
commit f9e722f72f
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GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 102 additions and 402 deletions
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3
app/src/main/AndroidManifest.xml
View File

@ -12,9 +12,6 @@
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<!-- Devices with version >= Oreo need location permission to start/stop the hotspot -->
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<!-- Device with versions >= Pie need this permission -->
<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />

36
app/src/main/java/org/kiwix/kiwixmobile/di/modules/ServiceModule.kt
View File

@ -1,10 +1,8 @@
package org.kiwix.kiwixmobile.di.modules
import android.app.Application
import android.app.NotificationManager
import android.app.Service
import android.content.Context
import android.net.wifi.WifiManager
import dagger.Module
import dagger.Provides
import org.kiwix.kiwixlib.JNIKiwixLibrary
@ -12,9 +10,9 @@ import org.kiwix.kiwixlib.JNIKiwixServer
import org.kiwix.kiwixmobile.di.ServiceScope
import org.kiwix.kiwixmobile.webserver.WebServerHelper
import org.kiwix.kiwixmobile.wifi_hotspot.HotspotNotificationManager
import org.kiwix.kiwixmobile.wifi_hotspot.HotspotStateListener
import org.kiwix.kiwixmobile.wifi_hotspot.HotspotStateReceiver
import org.kiwix.kiwixmobile.wifi_hotspot.HotspotStateReceiver.Callback
import org.kiwix.kiwixmobile.wifi_hotspot.IpAddressCallbacks
import org.kiwix.kiwixmobile.wifi_hotspot.WifiHotspotManager
@Module
class ServiceModule {
@ -27,19 +25,6 @@ class ServiceModule {
ipAddressCallbacks: IpAddressCallbacks
): WebServerHelper = WebServerHelper(jniKiwixLibrary, kiwixServer, ipAddressCallbacks)
@Provides
@ServiceScope
fun providesWifiHotspotManager(
wifiManager: WifiManager,
hotspotStateListener: HotspotStateListener
): WifiHotspotManager =
WifiHotspotManager(wifiManager, hotspotStateListener)
@Provides
@ServiceScope
fun providesHotspotStateListener(service: Service): HotspotStateListener =
service as HotspotStateListener
@Provides
@ServiceScope
fun providesIpAddressCallbacks(service: Service): IpAddressCallbacks =
@ -54,11 +39,6 @@ class ServiceModule {
fun providesJNIKiwixServer(jniKiwixLibrary: JNIKiwixLibrary): JNIKiwixServer =
JNIKiwixServer(jniKiwixLibrary)
@Provides
@ServiceScope
fun providesWifiManager(context: Application): WifiManager =
context.getSystemService(Context.WIFI_SERVICE) as WifiManager
@Provides
@ServiceScope
fun providesHotspotNotificationManager(
@ -66,4 +46,16 @@ class ServiceModule {
context: Context
): HotspotNotificationManager =
HotspotNotificationManager(notificationManager, context)
@Provides
@ServiceScope
fun providesHotspotStateReceiver(
callback: Callback
): HotspotStateReceiver = HotspotStateReceiver(callback)
@Provides
@ServiceScope
fun providesHotspotStateReceiverCallback(
service: Service
): HotspotStateReceiver.Callback = service as Callback
}

5
app/src/main/java/org/kiwix/kiwixmobile/webserver/LocationCallbacks.java
View File

@ -1,5 +0,0 @@
package org.kiwix.kiwixmobile.webserver;
public interface LocationCallbacks {
void onLocationSet();
}

107
app/src/main/java/org/kiwix/kiwixmobile/webserver/LocationServicesHelper.java
View File

@ -1,107 +0,0 @@
package org.kiwix.kiwixmobile.webserver;
import android.app.Activity;
import android.content.Intent;
import android.content.IntentSender;
import android.util.Log;
import androidx.annotation.NonNull;
import com.google.android.gms.common.api.ApiException;
import com.google.android.gms.common.api.ResolvableApiException;
import com.google.android.gms.location.LocationRequest;
import com.google.android.gms.location.LocationSettingsRequest;
import com.google.android.gms.location.LocationSettingsResponse;
import com.google.android.gms.location.LocationSettingsStates;
import com.google.android.gms.location.LocationSettingsStatusCodes;
import com.google.android.gms.tasks.Task;
import javax.inject.Inject;
public class LocationServicesHelper {
private static final String TAG = "LocationServicesHelper";
private final LocationCallbacks locationCallbacks;
private final Activity activity;
private static final int LOCATION_SETTINGS_PERMISSION_RESULT = 101;
@Inject
public LocationServicesHelper(@NonNull Activity activity,
@NonNull LocationCallbacks locationCallbacks) {
this.activity = activity;
this.locationCallbacks = locationCallbacks;
}
private Task<LocationSettingsResponse> task;
public void setupLocationServices() {
LocationRequest locationRequest = new LocationRequest();
locationRequest.setInterval(10);
locationRequest.setSmallestDisplacement(10);
locationRequest.setFastestInterval(10);
locationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
LocationSettingsRequest.Builder builder = new
LocationSettingsRequest.Builder();
builder.addLocationRequest(locationRequest);
task = com.google.android.gms.location.LocationServices.getSettingsClient(activity)
.checkLocationSettings(builder.build());
locationSettingsResponseBuilder();
}
private void locationSettingsResponseBuilder() {
task.addOnCompleteListener(task -> {
try {
LocationSettingsResponse response = task.getResult(ApiException.class);
// All location settings are satisfied. The client can initialize location
// requests here.
locationCallbacks.onLocationSet();
//}
} catch (ApiException exception) {
switch (exception.getStatusCode()) {
case LocationSettingsStatusCodes.RESOLUTION_REQUIRED:
// Location settings are not satisfied. But could be fixed by showing the
// user a dialog.
try {
// Cast to a resolvable exception.
ResolvableApiException resolvable = (ResolvableApiException) exception;
// Show the dialog by calling startResolutionForResult(),
// and check the result in onActivityResult().
resolvable.startResolutionForResult(
activity,
LOCATION_SETTINGS_PERMISSION_RESULT);
} catch (IntentSender.SendIntentException e) {
// Ignore the error.
} catch (ClassCastException e) {
// Ignore, should be an impossible 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.
break;
default:
break;
}
}
});
}
public void onActivityResult(int requestCode, int resultCode, @NonNull Intent data) {
//Checking the result code for LocationSettings resolution
if (requestCode == LOCATION_SETTINGS_PERMISSION_RESULT) {
final LocationSettingsStates states = LocationSettingsStates.fromIntent(data);
switch (resultCode) {
case Activity.RESULT_OK:
// All required changes were successfully made
Log.v(TAG, states.isLocationPresent() + "");
locationCallbacks.onLocationSet();
break;
case Activity.RESULT_CANCELED:
// The user was asked to change settings, but chose not to
Log.v(TAG, "Canceled");
break;
default:
break;
}
}
}
}

79
app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostActivity.java
View File

@ -1,14 +1,10 @@
package org.kiwix.kiwixmobile.webserver;
import android.Manifest;
import android.app.ProgressDialog;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.pm.PackageManager;
import android.net.wifi.WifiConfiguration;
import android.os.Build;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;
@ -18,8 +14,6 @@ import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.widget.Toolbar;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import androidx.recyclerview.widget.RecyclerView;
import butterknife.BindView;
import java.io.File;
@ -40,13 +34,11 @@ import org.kiwix.kiwixmobile.zim_manager.fileselect_view.adapter.BooksOnDiskAdap
import org.kiwix.kiwixmobile.zim_manager.fileselect_view.adapter.BooksOnDiskListItem;
import static org.kiwix.kiwixmobile.wifi_hotspot.HotspotService.ACTION_CHECK_IP_ADDRESS;
import static org.kiwix.kiwixmobile.wifi_hotspot.HotspotService.ACTION_LOCATION_ACCESS_GRANTED;
import static org.kiwix.kiwixmobile.wifi_hotspot.HotspotService.ACTION_START_SERVER;
import static org.kiwix.kiwixmobile.wifi_hotspot.HotspotService.ACTION_STOP_SERVER;
import static org.kiwix.kiwixmobile.wifi_hotspot.HotspotService.ACTION_TOGGLE_HOTSPOT;
public class ZimHostActivity extends BaseActivity implements
ZimHostCallbacks, ZimHostContract.View, LocationCallbacks {
ZimHostCallbacks, ZimHostContract.View {
@BindView(R.id.startServerButton)
Button startServerButton;
@ -61,11 +53,7 @@ public class ZimHostActivity extends BaseActivity implements
@Inject
AlertDialogShower alertDialogShower;
@Inject
LocationServicesHelper locationServicesHelper;
private static final String TAG = "ZimHostActivity";
private static final int MY_PERMISSIONS_ACCESS_FINE_LOCATION = 102;
private static final String IP_STATE_KEY = "ip_state_key";
public static final String SELECTED_ZIM_PATHS_KEY = "selected_zim_paths";
@ -133,15 +121,11 @@ public class ZimHostActivity extends BaseActivity implements
}
private void startHotspotHelper() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
toggleHotspot();
} else {
if (ServerUtils.isServerStarted) {
startService(createHotspotIntent(ACTION_STOP_SERVER));
} else {
startHotspotManuallyDialog();
}
}
}
private ArrayList<String> getSelectedBooksPath() {
@ -190,21 +174,6 @@ public class ZimHostActivity extends BaseActivity implements
}
}
private void toggleHotspot() {
//Check if location permissions are granted
if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
== PackageManager.PERMISSION_GRANTED) {
//Toggle hotspot if location permissions are granted
startService(createHotspotIntent(
ACTION_TOGGLE_HOTSPOT));
} else {
//Ask location permission if not granted
ActivityCompat.requestPermissions(this,
new String[] { Manifest.permission.ACCESS_FINE_LOCATION },
MY_PERMISSIONS_ACCESS_FINE_LOCATION);
}
}
@Override protected void onResume() {
super.onResume();
presenter.loadBooks();
@ -233,23 +202,6 @@ public class ZimHostActivity extends BaseActivity implements
booksAdapter.notifyDataSetChanged();
}
@Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
@NonNull int[] grantResults) {
if (requestCode == MY_PERMISSIONS_ACCESS_FINE_LOCATION) {
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
toggleHotspot();
}
}
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
locationServicesHelper.onActivityResult(requestCode, resultCode, (data));
}
@Override protected void onDestroy() {
super.onDestroy();
presenter.detachView();
@ -302,18 +254,6 @@ public class ZimHostActivity extends BaseActivity implements
Toast.makeText(this, R.string.server_failed_toast_message, Toast.LENGTH_LONG).show();
}
@Override public void onHotspotTurnedOn(@NonNull WifiConfiguration wifiConfiguration) {
alertDialogShower.show(new KiwixDialog.ShowHotspotDetails(wifiConfiguration),
(Function0<Unit>) () -> {
progressDialog =
ProgressDialog.show(this,
getString(R.string.progress_dialog_starting_server), "",
true);
startService(createHotspotIntent(ACTION_CHECK_IP_ADDRESS));
return Unit.INSTANCE;
});
}
private void launchTetheringSettingsScreen() {
final Intent intent = new Intent(Intent.ACTION_MAIN, null);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
@ -324,19 +264,6 @@ public class ZimHostActivity extends BaseActivity implements
startActivity(intent);
}
@Override public void onHotspotFailedToStart() {
//Show a dialog to turn off default hotspot
alertDialogShower.show(KiwixDialog.TurnOffHotspotManually.INSTANCE,
(Function0<Unit>) () -> {
launchTetheringSettingsScreen();
return Unit.INSTANCE;
});
}
@Override public void requestLocationAccess() {
locationServicesHelper.setupLocationServices();
}
@Override protected void onSaveInstanceState(@Nullable Bundle outState) {
super.onSaveInstanceState(outState);
if (ServerUtils.isServerStarted) {
@ -348,10 +275,6 @@ public class ZimHostActivity extends BaseActivity implements
booksAdapter.setItems(books);
}
@Override public void onLocationSet() {
startService(createHotspotIntent(ACTION_LOCATION_ACCESS_GRANTED));
}
@Override public void onIpAddressValid() {
progressDialog.dismiss();
startService(createHotspotIntent(ACTION_START_SERVER).putStringArrayListExtra(

6
app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostCallbacks.java
View File

@ -11,12 +11,6 @@ public interface ZimHostCallbacks {
void onServerFailedToStart();
void onHotspotTurnedOn(@NonNull WifiConfiguration wifiConfiguration);
void onHotspotFailedToStart();
void requestLocationAccess();
void onIpAddressValid();
void onIpAddressInvalid();

11
app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostModule.java
View File

@ -18,16 +18,5 @@ public class ZimHostModule {
@Provides Activity providesActivity(ZimHostActivity zimHostActivity) {
return zimHostActivity;
}
@ActivityScope
@Provides LocationServicesHelper providesLocationServicesHelper(ZimHostActivity activity,
LocationCallbacks locationCallbacks) {
return new LocationServicesHelper(activity, locationCallbacks);
}
@ActivityScope
@Provides LocationCallbacks providesLocationCallbacks(ZimHostActivity activity) {
return activity;
}
}

96
app/src/main/java/org/kiwix/kiwixmobile/wifi_hotspot/HotspotService.java
View File

@ -2,9 +2,7 @@ package org.kiwix.kiwixmobile.wifi_hotspot;
import android.app.Service;
import android.content.Intent;
import android.net.wifi.WifiConfiguration;
import android.os.Binder;
import android.os.Build;
import android.os.IBinder;
import android.widget.Toast;
import androidx.annotation.NonNull;
@ -12,6 +10,7 @@ import androidx.annotation.Nullable;
import javax.inject.Inject;
import org.kiwix.kiwixmobile.KiwixApplication;
import org.kiwix.kiwixmobile.R;
import org.kiwix.kiwixmobile.extensions.ContextExtensionsKt;
import org.kiwix.kiwixmobile.utils.ServerUtils;
import org.kiwix.kiwixmobile.webserver.WebServerHelper;
import org.kiwix.kiwixmobile.webserver.ZimHostCallbacks;
@ -24,10 +23,9 @@ import static org.kiwix.kiwixmobile.wifi_hotspot.HotspotNotificationManager.HOTS
* Created by Adeel Zafar on 07/01/2019.
*/
public class HotspotService extends Service implements HotspotStateListener, IpAddressCallbacks {
public class HotspotService extends Service
implements IpAddressCallbacks, HotspotStateReceiver.Callback {
public static final String ACTION_TOGGLE_HOTSPOT = "toggle_hotspot";
public static final String ACTION_LOCATION_ACCESS_GRANTED = "location_access_granted";
public static final String ACTION_START_SERVER = "start_server";
public static final String ACTION_STOP_SERVER = "stop_server";
public static final String ACTION_CHECK_IP_ADDRESS = "check_ip_address";
@ -38,9 +36,9 @@ public class HotspotService extends Service implements HotspotStateListener, IpA
@Inject
WebServerHelper webServerHelper;
@Inject
WifiHotspotManager hotspotManager;
@Inject
HotspotNotificationManager hotspotNotificationManager;
@Inject
HotspotStateReceiver hotspotStateReceiver;
@Override public void onCreate() {
KiwixApplication.getApplicationComponent()
@ -49,49 +47,26 @@ public class HotspotService extends Service implements HotspotStateListener, IpA
.build()
.inject(this);
super.onCreate();
ContextExtensionsKt.registerReceiver(this, hotspotStateReceiver);
}
@Override public void onDestroy() {
unregisterReceiver(hotspotStateReceiver);
super.onDestroy();
}
@Override public int onStartCommand(@NonNull Intent intent, int flags, int startId) {
switch (intent.getAction()) {
case ACTION_TOGGLE_HOTSPOT:
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
if (hotspotManager.isHotspotStarted()) {
stopHotspotAndDismissNotification();
} else {
if (zimHostCallbacks != null) {
zimHostCallbacks.requestLocationAccess();
}
}
}
break;
case ACTION_LOCATION_ACCESS_GRANTED:
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
hotspotManager.turnOnHotspot();
}
break;
case ACTION_START_SERVER:
if (webServerHelper.startServerHelper(
intent.getStringArrayListExtra(SELECTED_ZIM_PATHS_KEY))) {
if (zimHostCallbacks != null) {
zimHostCallbacks.onServerStarted(ServerUtils.getSocketAddress());
}
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
startForegroundNotificationHelper();
}
zimHostCallbacks.onServerStarted(ServerUtils.getSocketAddress());
startForegroundNotificationHelper();
Toast.makeText(this, R.string.server_started__successfully_toast_message,
Toast.LENGTH_SHORT).show();
} else {
if (zimHostCallbacks != null) {
zimHostCallbacks.onServerFailedToStart();
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
stopForeground(true);
stopSelf();
hotspotNotificationManager.dismissNotification();
}
zimHostCallbacks.onServerFailedToStart();
}
break;
@ -116,17 +91,13 @@ public class HotspotService extends Service implements HotspotStateListener, IpA
//Dismiss notification and turn off hotspot for devices>=O
private void stopHotspotAndDismissNotification() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
hotspotManager.turnOffHotspot();
} else {
webServerHelper.stopAndroidWebServer();
if (zimHostCallbacks != null) {
zimHostCallbacks.onServerStopped();
}
stopForeground(true);
stopSelf();
hotspotNotificationManager.dismissNotification();
webServerHelper.stopAndroidWebServer();
if (zimHostCallbacks != null) {
zimHostCallbacks.onServerStopped();
}
stopForeground(true);
stopSelf();
hotspotNotificationManager.dismissNotification();
}
public void registerCallBack(@Nullable ZimHostCallbacks myCallback) {
@ -138,29 +109,6 @@ public class HotspotService extends Service implements HotspotStateListener, IpA
hotspotNotificationManager.buildForegroundNotification());
}
@Override public void onHotspotTurnedOn(@NonNull WifiConfiguration wifiConfiguration) {
startForegroundNotificationHelper();
if (zimHostCallbacks != null) {
zimHostCallbacks.onHotspotTurnedOn(wifiConfiguration);
}
}
@Override public void onHotspotFailedToStart() {
if (zimHostCallbacks != null) {
zimHostCallbacks.onHotspotFailedToStart();
}
}
@Override public void onHotspotStopped() {
webServerHelper.stopAndroidWebServer();
if (zimHostCallbacks != null) {
zimHostCallbacks.onServerStopped();
}
stopForeground(true);
stopSelf();
hotspotNotificationManager.dismissNotification();
}
@Override public void onIpAddressValid() {
if (zimHostCallbacks != null) {
zimHostCallbacks.onIpAddressValid();
@ -173,6 +121,10 @@ public class HotspotService extends Service implements HotspotStateListener, IpA
}
}
@Override public void onHotspotDisabled() {
stopHotspotAndDismissNotification();
}
public class HotspotBinder extends Binder {
@NonNull public HotspotService getService() {

12
app/src/main/java/org/kiwix/kiwixmobile/wifi_hotspot/HotspotStateListener.java
View File

@ -1,12 +0,0 @@
package org.kiwix.kiwixmobile.wifi_hotspot;
import android.net.wifi.WifiConfiguration;
import androidx.annotation.NonNull;
public interface HotspotStateListener {
void onHotspotTurnedOn(@NonNull WifiConfiguration wifiConfiguration);
void onHotspotFailedToStart();
void onHotspotStopped();
}

63
app/src/main/java/org/kiwix/kiwixmobile/wifi_hotspot/HotspotStateReceiver.kt Normal file
View File

@ -0,0 +1,63 @@
/*
* Kiwix Android
* Copyright (C) 2018 Kiwix <android.kiwix.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.kiwix.kiwixmobile.wifi_hotspot
import android.content.Context
import android.content.Intent
import org.kiwix.kiwixmobile.wifi_hotspot.HotspotStateReceiver.HotspotState.DISABLED
import org.kiwix.kiwixmobile.zim_manager.BaseBroadcastReceiver
import javax.inject.Inject
const val EXTRA_WIFI_AP_STATE = "wifi_state"
const val ACTION_WIFI_AP_STATE = "android.net.wifi.WIFI_AP_STATE_CHANGED"
const val WIFI_AP_STATE_DISABLING = 10
const val WIFI_AP_STATE_DISABLED = 11
const val WIFI_AP_STATE_ENABLING = 12
const val WIFI_AP_STATE_ENABLED = 13
const val WIFI_AP_STATE_FAILED = 14
class HotspotStateReceiver @Inject constructor(val callback: Callback) : BaseBroadcastReceiver() {
override val action: String = ACTION_WIFI_AP_STATE
override fun onIntentWithActionReceived(context: Context, intent: Intent) {
if (DISABLED == hotspotState(intent)) {
callback.onHotspotDisabled()
}
}
private fun hotspotState(intent: Intent) =
HotspotState.from(intent.getIntExtra(EXTRA_WIFI_AP_STATE, -1))
interface Callback {
fun onHotspotDisabled()
}
private enum class HotspotState(val state: Int) {
DISABLING(WIFI_AP_STATE_DISABLING),
DISABLED(WIFI_AP_STATE_DISABLED),
ENABLING(WIFI_AP_STATE_ENABLING),
ENABLED(WIFI_AP_STATE_ENABLED),
FAILED(WIFI_AP_STATE_FAILED);
companion object {
fun from(state: Int) = HotspotState.values().firstOrNull { state == it.state }
}
}
}

86
app/src/main/java/org/kiwix/kiwixmobile/wifi_hotspot/WifiHotspotManager.java
View File

@ -1,86 +0,0 @@
package org.kiwix.kiwixmobile.wifi_hotspot;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.os.Handler;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import javax.inject.Inject;
/**
* WifiHotstopManager class makes use of the Android's WifiManager and WifiConfiguration class
* to implement the wifi hotspot feature.
* Created by Adeel Zafar on 28/5/2019.
*/
public class WifiHotspotManager {
private static final String TAG = "WifiHotspotManager";
private WifiManager wifiManager;
private WifiManager.LocalOnlyHotspotReservation hotspotReservation;
private HotspotStateListener hotspotStateListener;
@Inject
public WifiHotspotManager(@NonNull WifiManager wifiManager,
@NonNull HotspotStateListener hotspotStateListener) {
this.wifiManager = wifiManager;
this.hotspotStateListener = hotspotStateListener;
}
//Workaround to turn on hotspot for Oreo versions
@RequiresApi(api = Build.VERSION_CODES.O)
public void turnOnHotspot() {
wifiManager.startLocalOnlyHotspot(new WifiManager.LocalOnlyHotspotCallback() {
@Override
public void onStarted(WifiManager.LocalOnlyHotspotReservation reservation) {
super.onStarted(reservation);
hotspotReservation = reservation;
WifiConfiguration currentConfig = hotspotReservation.getWifiConfiguration();
printCurrentConfig(currentConfig);
hotspotStateListener.onHotspotTurnedOn(currentConfig);
Log.v(TAG, "Local Hotspot Started");
}
@Override
public void onStopped() {
super.onStopped();
hotspotStateListener.onHotspotStopped();
Log.v(TAG, "Local Hotspot Stopped");
}
@Override
public void onFailed(int reason) {
super.onFailed(reason);
hotspotStateListener.onHotspotFailedToStart();
Log.v(TAG, "Local Hotspot failed to start");
}
}, new Handler());
}
//Workaround to turn off hotspot for Oreo versions
@RequiresApi(api = Build.VERSION_CODES.O)
public void turnOffHotspot() {
if (hotspotReservation != null) {
hotspotReservation.close();
hotspotReservation = null;
hotspotStateListener.onHotspotStopped();
Log.v(TAG, "Turned off hotspot");
}
}
//This method checks the state of the hostpot for devices>=Oreo
@RequiresApi(api = Build.VERSION_CODES.O)
public boolean isHotspotStarted() {
return hotspotReservation != null;
}
private void printCurrentConfig(WifiConfiguration wifiConfiguration) {
Log.v(TAG, "THE PASSWORD IS: "
+ wifiConfiguration.preSharedKey
+ " \n SSID is : "
+ wifiConfiguration.SSID);
}
}