Support for autorun on system boot

app/src/main/AndroidManifest.xml

@@ -74,6 +74,18 @@
                     android:name="android.service.quicksettings.action.QS_TILE"/>
             </intent-filter>
         </service>
+
+        <receiver
+            android:name=".receivers.BootReceiver"
+            android:exported="false">
+            <intent-filter android:priority="999">
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+                <action android:name="android.intent.action.QUICKBOOT_POWERON" />
+                <action android:name="android.intent.action.REBOOT" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </receiver>
     </application>
 
 </manifest>

app/src/main/java/io/github/dovecoteescapee/byedpi/receivers/BootReceiver.kt

@@ -0,0 +1,35 @@
+package io.github.dovecoteescapee.byedpi.receivers
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.net.VpnService
+import io.github.dovecoteescapee.byedpi.data.Mode
+import io.github.dovecoteescapee.byedpi.services.ServiceManager
+import io.github.dovecoteescapee.byedpi.utility.getPreferences
+import io.github.dovecoteescapee.byedpi.utility.mode
+
+class BootReceiver : BroadcastReceiver() {
+    override fun onReceive(context: Context, intent: Intent) {
+        val action = intent.action
+        if (Intent.ACTION_BOOT_COMPLETED != action
+            && Intent.ACTION_REBOOT != action
+            && "android.intent.action.QUICKBOOT_POWERON" != action
+        ) {
+            return
+        }
+
+        val prefs = context.getPreferences()
+
+        if (!prefs.getBoolean("autostart", false) || !prefs.getBoolean("was_running", false)) {
+            return
+        }
+
+        val mode = prefs.mode()
+        if (prefs.mode() == Mode.VPN && VpnService.prepare(context) != null) {
+            return
+        }
+
+        ServiceManager.start(context, mode)
+    }
+}

app/src/main/java/io/github/dovecoteescapee/byedpi/services/ServiceManager.kt

@@ -4,9 +4,11 @@ import android.content.Context
 import android.content.Intent
 import android.util.Log
 import androidx.core.content.ContextCompat
+import androidx.core.content.edit
 import io.github.dovecoteescapee.byedpi.data.Mode
 import io.github.dovecoteescapee.byedpi.data.START_ACTION
 import io.github.dovecoteescapee.byedpi.data.STOP_ACTION
+import io.github.dovecoteescapee.byedpi.utility.getPreferences
 
 object ServiceManager {
     private val TAG: String = ServiceManager::class.java.simpleName
@@ -27,6 +29,7 @@ object ServiceManager {
                 ContextCompat.startForegroundService(context, intent)
             }
         }
+        context.getPreferences().edit { putBoolean("was_running", true) }
     }
 
     fun stop(context: Context) {
@@ -46,5 +49,6 @@ object ServiceManager {
                 ContextCompat.startForegroundService(context, intent)
             }
         }
+        context.getPreferences().edit { putBoolean("was_running", false) }
     }
 }

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

@@ -72,4 +72,5 @@
     <string name="desync_https_category">HTTPS</string>
     <string name="byedpi_protocols_category">Protocols</string>
     <string name="byedpi_protocols_hint">Uncheck all to desync all traffic</string>
+    <string name="autostart_setting">Autorun on system boot</string>
 </resources>

app/src/main/res/xml/main_settings.xml

@@ -23,6 +23,11 @@
             android:defaultValue="vpn"
             app:useSimpleSummaryProvider="true" />
 
+        <SwitchPreference
+            android:key="autostart"
+            android:title="@string/autostart_setting"
+            android:defaultValue="false" />
+
         <com.takisoft.preferencex.EditTextPreference
             android:key="dns_ip"
             android:title="@string/dbs_ip_setting"