restructured whole app layout (+ nav drawer)

app/build.gradle

@@ -11,7 +11,7 @@ android {
         applicationId "com.cyb3rko.logviewerforopenhab"
         minSdkVersion 24
         targetSdkVersion 30
-        versionCode 7
+        versionCode 8
         versionName "1.2.5"
     }
     buildTypes {
@@ -55,5 +55,11 @@ dependencies {
     implementation 'com.mikepenz:aboutlibraries:8.3.0'
     implementation 'org.adw.library:discrete-seekbar:1.0.1'
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.3.1'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.3.1'
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.2.0'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0'
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.3.1'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.3.1'
 
 }

app/src/main/AndroidManifest.xml

@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.cyb3rko.logviewerforopenhab" >
+    package="com.cyb3rko.logviewerforopenhab">
 
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
-    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES"/>
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
 
     <application
         android:allowBackup="true"
@@ -16,11 +16,17 @@
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
         android:usesCleartextTraffic="true">
-        <activity android:name=".MainActivity"
+        <activity
+            android:name=".MainActivity"
+            android:label="@string/title_activity_main2"
+            android:theme="@style/AppTheme.NoActionBar" />
+        <activity
+            android:name=".MainActivity2"
             android:configChanges="orientation|screenLayout"
             android:screenOrientation="unspecified">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>

app/src/main/java/com/cyb3rko/logviewerforopenhab/MainActivity2.kt

@@ -0,0 +1,45 @@
+package com.cyb3rko.logviewerforopenhab
+
+import android.os.Bundle
+import android.view.Menu
+import com.google.android.material.navigation.NavigationView
+import androidx.navigation.findNavController
+import androidx.navigation.ui.AppBarConfiguration
+import androidx.navigation.ui.navigateUp
+import androidx.navigation.ui.setupActionBarWithNavController
+import androidx.navigation.ui.setupWithNavController
+import androidx.drawerlayout.widget.DrawerLayout
+import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.widget.Toolbar
+
+class MainActivity2 : AppCompatActivity() {
+
+    private lateinit var appBarConfiguration: AppBarConfiguration
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main2)
+        val toolbar: Toolbar = findViewById(R.id.toolbar)
+        setSupportActionBar(toolbar)
+
+        val drawerLayout: DrawerLayout = findViewById(R.id.drawer_layout)
+        val navView: NavigationView = findViewById(R.id.nav_view)
+        val navController = findNavController(R.id.nav_host_fragment)
+        // Passing each menu ID as a set of Ids because each
+        // menu should be considered as top level destinations.
+        appBarConfiguration = AppBarConfiguration(setOf(R.id.nav_menu), drawerLayout)
+        setupActionBarWithNavController(navController, appBarConfiguration)
+        navView.setupWithNavController(navController)
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        menuInflater.inflate(R.menu.main_activity2, menu)
+        return true
+    }
+
+    override fun onSupportNavigateUp(): Boolean {
+        val navController = findNavController(R.id.nav_host_fragment)
+        return navController.navigateUp(appBarConfiguration) || super.onSupportNavigateUp()
+    }
+}