Android: Convert DolphinApplication to Kotlin

2 files changed, 43 insertions, 45 deletions

diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/DolphinApplication.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/DolphinApplication.java
deleted file mode 100644
index 7978a1165e..0000000000
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/DolphinApplication.java
+++ /dev/null
@@ -1,45 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-package org.dolphinemu.dolphinemu;
-
-import android.app.Activity;
-import android.app.Application;
-import android.content.Context;
-import android.hardware.usb.UsbManager;
-
-import org.dolphinemu.dolphinemu.utils.ActivityTracker;
-import org.dolphinemu.dolphinemu.utils.DirectoryInitialization;
-import org.dolphinemu.dolphinemu.utils.GCAdapter;
-import org.dolphinemu.dolphinemu.utils.WiimoteAdapter;
-
-public class DolphinApplication extends Application
-{
-  private static DolphinApplication application;
-  private static ActivityTracker sActivityTracker;
-
-  @Override
-  public void onCreate()
-  {
-    super.onCreate();
-    application = this;
-    sActivityTracker = new ActivityTracker();
-    registerActivityLifecycleCallbacks(sActivityTracker);
-    System.loadLibrary("main");
-
-    GCAdapter.manager = (UsbManager) getSystemService(Context.USB_SERVICE);
-    WiimoteAdapter.manager = (UsbManager) getSystemService(Context.USB_SERVICE);
-
-    if (DirectoryInitialization.shouldStart(getApplicationContext()))
-      DirectoryInitialization.start(getApplicationContext());
-  }
-
-  public static Context getAppContext()
-  {
-    return application.getApplicationContext();
-  }
-
-  public static Activity getAppActivity()
-  {
-    return sActivityTracker.getCurrentActivity();
-  }
-}
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/DolphinApplication.kt b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/DolphinApplication.kt
new file mode 100644
index 0000000000..6b7596fa21
--- /dev/null
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/DolphinApplication.kt
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu
+
+import android.app.Activity
+import android.app.Application
+import android.content.Context
+import android.hardware.usb.UsbManager
+import org.dolphinemu.dolphinemu.utils.ActivityTracker
+import org.dolphinemu.dolphinemu.utils.DirectoryInitialization
+import org.dolphinemu.dolphinemu.utils.GCAdapter
+import org.dolphinemu.dolphinemu.utils.WiimoteAdapter
+
+class DolphinApplication : Application() {
+    private val activityTracker = ActivityTracker()
+
+    override fun onCreate() {
+        super.onCreate()
+        instance = this
+        registerActivityLifecycleCallbacks(activityTracker)
+        System.loadLibrary("main")
+
+        val usbManager = getSystemService(USB_SERVICE) as UsbManager
+        GCAdapter.manager = usbManager
+        WiimoteAdapter.manager = usbManager
+
+        if (DirectoryInitialization.shouldStart(applicationContext)) {
+            DirectoryInitialization.start(applicationContext)
+        }
+    }
+
+    companion object {
+        @JvmStatic
+        lateinit var instance: DolphinApplication
+            private set
+
+        @JvmStatic
+        fun getAppContext(): Context = instance.applicationContext
+
+        @JvmStatic
+        fun getAppActivity(): Activity? = instance.activityTracker.currentActivity
+    }
+}