Fix a bug when access to the mContext field of ActivityManagerService(older XposedInstaller(before v3.2) has no such problem)

Author: MindMac

src/com/mindmac/applog/service/LogService.java

@@ -1,6 +1,7 @@
 package com.mindmac.applog.service;
 
 import java.io.File;
+import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.List;
@@ -568,7 +569,9 @@ private static Context getContext() {
 			Class<?> cam = Class.forName("com.android.server.am.ActivityManagerService");
 			Object am = cam.getMethod("self").invoke(null);
 			if(am != null){
-				context = (Context) cam.getDeclaredField("mContext").get(am);
+				Field contextField = cam.getDeclaredField("mContext");
+				contextField.setAccessible(true);
+				context = (Context) contextField.get(am);
 			}
 		} catch (Throwable ex) {
 			Util.bug(null, ex);

src/com/mindmac/applog/util/MenuOptionExecutor.java

@@ -7,7 +7,6 @@
 import com.mindmac.applog.service.LogManager;
 
 import android.annotation.SuppressLint;
-import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.Context;