Add settings for shell logging

app/src/main/java/com/topjohnwu/magisk/utils/Logger.java

@@ -1,24 +1,15 @@
 package com.topjohnwu.magisk.utils;
 
-import android.app.Application;
-import android.content.Context;
-import android.preference.PreferenceManager;
 import android.util.Log;
 
 public class Logger {
 
     private static final String LOG_TAG = "Magisk: DEV";
 
-    private static final boolean logShell = true;
+    public static boolean logShell, devLog;
 
     public static void dev(String msg, Object... args) {
-        Context context = null;
-        try {
-            context = getApplicationUsingReflection();
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-        if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean("developer_logging", false)) {
+        if (devLog) {
             if (args.length == 1 && args[0] instanceof Throwable) {
                 Log.d(LOG_TAG, msg, (Throwable) args[0]);
             } else {
@@ -28,13 +19,7 @@ public class Logger {
     }
 
     public static void dev(String msg) {
-        Context context = null;
-        try {
-            context = getApplicationUsingReflection();
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-        if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean("developer_logging", false)) {
+        if (devLog) {
             Log.d(LOG_TAG, msg);
         }
     }
@@ -44,9 +29,4 @@ public class Logger {
             Log.d(root ? "SU" : "SH", msg);
         }
     }
-
-    private static Application getApplicationUsingReflection() throws Exception {
-        return (Application) Class.forName("android.app.AppGlobals")
-                .getMethod("getInitialApplication").invoke(null, (Object[]) null);
-    }
 }