Convert InstaGrabberApplication to kotlin

app/src/main/java/awais/instagrabber/InstaGrabberApplication.kt

@@ -1,89 +1,72 @@
-package awais.instagrabber;
-
-import android.app.Application;
-import android.content.ClipboardManager;
-import android.content.Context;
-import android.os.Handler;
-import android.util.Log;
-
-import com.facebook.drawee.backends.pipeline.Fresco;
-import com.facebook.imagepipeline.core.ImagePipelineConfig;
-
-import java.net.CookieHandler;
-import java.time.format.DateTimeFormatter;
-import java.util.UUID;
-
-import awais.instagrabber.fragments.settings.PreferenceKeys;
-import awais.instagrabber.utils.Constants;
-import awais.instagrabber.utils.LocaleUtils;
-import awais.instagrabber.utils.SettingsHelper;
-import awais.instagrabber.utils.TextUtils;
-import awaisomereport.CrashReporter;
-
-import static awais.instagrabber.utils.CookieUtils.NET_COOKIE_MANAGER;
-import static awais.instagrabber.utils.Utils.applicationHandler;
-import static awais.instagrabber.utils.Utils.cacheDir;
-import static awais.instagrabber.utils.Utils.clipboardManager;
-import static awais.instagrabber.utils.Utils.settingsHelper;
-
-public final class InstaGrabberApplication extends Application {
-    private static final String TAG = "InstaGrabberApplication";
-
-    @Override
-    public void onCreate() {
-        super.onCreate();
-        CookieHandler.setDefault(NET_COOKIE_MANAGER);
-
-        if (settingsHelper == null) {
-            settingsHelper = new SettingsHelper(this);
+package awais.instagrabber
+
+import android.app.Application
+import android.content.ClipboardManager
+import android.util.Log
+import awais.instagrabber.fragments.settings.PreferenceKeys.CUSTOM_DATE_TIME_FORMAT
+import awais.instagrabber.fragments.settings.PreferenceKeys.CUSTOM_DATE_TIME_FORMAT_ENABLED
+import awais.instagrabber.fragments.settings.PreferenceKeys.DATE_TIME_FORMAT
+import awais.instagrabber.utils.*
+import awais.instagrabber.utils.LocaleUtils.currentLocale
+import awais.instagrabber.utils.Utils.settingsHelper
+import awais.instagrabber.utils.extensions.TAG
+import awaisomereport.CrashReporter
+import com.facebook.drawee.backends.pipeline.Fresco
+import com.facebook.imagepipeline.core.ImagePipelineConfig
+import java.net.CookieHandler
+import java.time.format.DateTimeFormatter
+import java.util.*
+
+
+@Suppress("unused")
+class InstaGrabberApplication : Application() {
+    override fun onCreate() {
+        super.onCreate()
+        CookieHandler.setDefault(NET_COOKIE_MANAGER)
+        setupCrashReporter()
+        setupCloseGuard()
+        setupFresco()
+        Utils.cacheDir = cacheDir.absolutePath
+        settingsHelper = SettingsHelper(this)
+        Utils.clipboardManager = getSystemService(CLIPBOARD_SERVICE) as ClipboardManager
+        LocaleUtils.setLocale(baseContext)
+        val pattern = if (settingsHelper.getBoolean(CUSTOM_DATE_TIME_FORMAT_ENABLED)) {
+            settingsHelper.getString(CUSTOM_DATE_TIME_FORMAT)
+        } else {
+            settingsHelper.getString(DATE_TIME_FORMAT)
+        }
+        TextUtils.setFormatter(DateTimeFormatter.ofPattern(pattern, currentLocale))
+        if (TextUtils.isEmpty(settingsHelper.getString(Constants.DEVICE_UUID))) {
+            settingsHelper.putString(Constants.DEVICE_UUID, UUID.randomUUID().toString())
         }
-
-        if (!BuildConfig.DEBUG) {
-            CrashReporter.get(this).start();
     }
+
+    private fun setupCrashReporter() {
+        if (BuildConfig.DEBUG) return
+        CrashReporter.get(this).start()
         // logCollector = new LogCollector(this);
+    }
 
-        if (BuildConfig.DEBUG) {
+    private fun setupCloseGuard() {
+        if (!BuildConfig.DEBUG) return
         try {
             Class.forName("dalvik.system.CloseGuard")
-                     .getMethod("setEnabled", boolean.class)
-                     .invoke(null, true);
-            } catch (Exception e) {
-                Log.e(TAG, "Error", e);
+                .getMethod("setEnabled", Boolean::class.javaPrimitiveType)
+                .invoke(null, true)
+        } catch (e: Exception) {
+            Log.e(TAG, "Error", e)
         }
     }
 
+    private fun setupFresco() {
         // final Set<RequestListener> requestListeners = new HashSet<>();
         // requestListeners.add(new RequestLoggingListener());
-        final ImagePipelineConfig imagePipelineConfig = ImagePipelineConfig
-                .newBuilder(this)
-                // .setMainDiskCacheConfig(diskCacheConfig)
+        val imagePipelineConfig = ImagePipelineConfig
+            .newBuilder(this) // .setMainDiskCacheConfig(diskCacheConfig)
             // .setRequestListeners(requestListeners)
             .setDownsampleEnabled(true)
-                .build();
-        Fresco.initialize(this, imagePipelineConfig);
+            .build()
+        Fresco.initialize(this, imagePipelineConfig)
         // FLog.setMinimumLoggingLevel(FLog.VERBOSE);
-
-        if (applicationHandler == null) {
-            applicationHandler = new Handler(getApplicationContext().getMainLooper());
-        }
-
-        if (cacheDir == null) {
-            cacheDir = getCacheDir().getAbsolutePath();
-        }
-
-        LocaleUtils.setLocale(getBaseContext());
-
-        if (clipboardManager == null)
-            clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
-
-        TextUtils.setFormatter(DateTimeFormatter.ofPattern(
-                    settingsHelper.getBoolean(PreferenceKeys.CUSTOM_DATE_TIME_FORMAT_ENABLED) ?
-                    settingsHelper.getString(PreferenceKeys.CUSTOM_DATE_TIME_FORMAT) :
-                    settingsHelper.getString(PreferenceKeys.DATE_TIME_FORMAT), LocaleUtils.getCurrentLocale()));
-
-        if (TextUtils.isEmpty(settingsHelper.getString(Constants.DEVICE_UUID))) {
-            settingsHelper.putString(Constants.DEVICE_UUID, UUID.randomUUID().toString());
-        }
     }
 }

app/src/main/java/awais/instagrabber/utils/TextUtils.kt

@@ -11,7 +11,7 @@ import java.util.*
 import kotlin.math.absoluteValue
 
 object TextUtils {
-    var datetimeParser: DateTimeFormatter = DateTimeFormatter.ofPattern("")
+    lateinit var datetimeParser: DateTimeFormatter
 
     @JvmStatic
     fun isEmpty(charSequence: CharSequence?): Boolean {

app/src/main/java/awais/instagrabber/utils/Utils.java

@@ -17,7 +17,6 @@ import android.media.MediaScannerConnection;
 import android.media.MediaScannerConnection.OnScanCompletedListener;
 import android.net.Uri;
 import android.os.Build;
-import android.os.Handler;
 import android.provider.Browser;
 import android.util.DisplayMetrics;
 import android.util.Log;
@@ -80,7 +79,6 @@ public final class Utils {
     public static SimpleCache simpleCache;
     private static int statusBarHeight;
     private static int actionBarHeight;
-    public static Handler applicationHandler;
     public static String cacheDir;
     public static String tabOrderString;
     private static int defaultStatusBarColor;