Added in-app settings shortcut from system settings

app/src/main/AndroidManifest.xml

@@ -36,6 +36,16 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
+        <activity-alias
+            android:name="a.s"
+            android:targetActivity="a.c">
+            <intent-filter>
+                <action android:name="android.intent.action.APPLICATION_PREFERENCES" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity-alias>
+
         <activity
             android:name="a.f"
             android:configChanges="keyboardHidden|orientation|screenSize"

app/src/main/java/com/topjohnwu/magisk/Const.kt

@@ -59,6 +59,7 @@ object Const {
         const val ETAG_KEY = "ETag"
         // intents
         const val OPEN_SECTION = "section"
+        const val OPEN_SETTINGS = "settings"
         const val INTENT_SET_APP = "app_json"
         const val FLASH_ACTION = "action"
         const val FLASH_DATA = "additional_data"

app/src/main/java/com/topjohnwu/magisk/model/navigation/Navigation.kt

@@ -2,6 +2,7 @@ package com.topjohnwu.magisk.model.navigation
 
 import android.content.Context
 import android.content.Intent
+import android.os.Build
 import com.topjohnwu.magisk.ClassMap
 import com.topjohnwu.magisk.Config
 import com.topjohnwu.magisk.Const
@@ -74,12 +75,23 @@ object Navigation {
             Config.redesign -> RedesignActivity::class.java
             else -> MainActivity::class.java
         }
-        val intent = Intent(context, ClassMap[destination])
+        Intent(context, ClassMap[destination])
-        intent.putExtra(Const.Key.OPEN_SECTION, launchIntent.getStringExtra(Const.Key.OPEN_SECTION))
+            .putExtra(Const.Key.OPEN_SECTION, launchIntent.getStringExtra(Const.Key.OPEN_SECTION))
-        context.startActivity(intent)
+            .putExtra(
+                Const.Key.OPEN_SETTINGS,
+                launchIntent.action == ACTION_APPLICATION_PREFERENCES
+            )
+            .also { context.startActivity(it) }
     }
 
     object Main {
         const val OPEN_NAV = 1
     }
+
+    private val ACTION_APPLICATION_PREFERENCES
+        get() = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            Intent.ACTION_APPLICATION_PREFERENCES
+        } else {
+            "cannot be null, cannot be empty"
+        }
 }

app/src/main/java/com/topjohnwu/magisk/redesign/MainActivity.kt

@@ -4,6 +4,7 @@ import android.graphics.Insets
 import android.os.Bundle
 import androidx.fragment.app.Fragment
 import com.ncapdevi.fragnav.FragNavController
+import com.topjohnwu.magisk.Const
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.databinding.ActivityMainMd2Binding
 import com.topjohnwu.magisk.model.navigation.Navigation
@@ -44,9 +45,13 @@ open class MainActivity : CompatActivity<MainViewModel, ActivityMainMd2Binding>(
                 R.id.logFragment -> Navigation.log()
                 R.id.settingsFragment -> Navigation.settings()
                 else -> throw NotImplementedError("Id ${it.itemId} is not defined as selectable")
-            }.also { onEventDispatched(it) }
+            }.dispatchOnSelf()
             true
         }
+
+        if (intent.getBooleanExtra(Const.Key.OPEN_SETTINGS, false)) {
+            binding.mainNavigation.selectedItemId = R.id.settingsFragment
+        }
     }
 
     override fun onTabTransaction(fragment: Fragment?, index: Int) {

app/src/main/java/com/topjohnwu/magisk/redesign/compat/CompatActivity.kt

@@ -31,4 +31,6 @@ abstract class CompatActivity<ViewModel : CompatViewModel, Binding : ViewDataBin
         delegate.onEventExecute(event, this)
     }
 
+    protected fun ViewEvent.dispatchOnSelf() = onEventDispatched(this)
+
 }