GalaxyWearable: Disable required telephony permission

Author: programminghoch10

GalaxyWearable/README.md

@@ -4,4 +4,6 @@ Enables running Samsung's GalaxyWearable app and companions on modded Samsung de
 
 This is an Xposed variant of [`Linux4/GalaxyWearable`](https://github.com/Linux4/GalaxyWearable).
 
-Additionally disables the forced app update prompt when opening the app.
+Additional features:
+* Disable the forced app update prompt when opening the app
+* Disable the required phone permission

GalaxyWearable/src/main/assets/xposed_init

@@ -1,2 +1,3 @@
 com.programminghoch10.GalaxyWearable.DisableForcedUpdateHook
 com.programminghoch10.GalaxyWearable.DisableManufacturerCheckHook
+com.programminghoch10.GalaxyWearable.DisableTelephonyPermissionHook

GalaxyWearable/src/main/java/com/programminghoch10/GalaxyWearable/DisableTelephonyPermissionHook.java

@@ -0,0 +1,28 @@
+package com.programminghoch10.GalaxyWearable;
+
+import java.util.ArrayList;
+
+import de.robv.android.xposed.IXposedHookLoadPackage;
+import de.robv.android.xposed.XposedHelpers;
+import de.robv.android.xposed.callbacks.XC_LoadPackage;
+
+public class DisableTelephonyPermissionHook implements IXposedHookLoadPackage {
+    /*
+    The app says the phone permission is used to "synchronize contacts".
+    I think this is wrong, since contacts aren't requested, 
+    instead I think read-only access to the phone number and the phone state are used
+    to automatically enable transparency mode while the user is in a call.
+    Either way, this should be an optional permission.
+     */
+    
+    @SuppressWarnings("unchecked")
+    @Override
+    public void handleLoadPackage(XC_LoadPackage.LoadPackageParam lpparam) throws Throwable {
+        if (!lpparam.packageName.equals("com.samsung.android.app.watchmanager")) return;
+        Class<?> PermissionsUtilsClass =
+            XposedHelpers.findClass("com.samsung.android.app.watchmanager.setupwizard.permission.PermissionUtils", lpparam.classLoader);
+        ArrayList<String> INITIAL_PERMISSION = (ArrayList<String>) XposedHelpers.getStaticObjectField(PermissionsUtilsClass, "INITIAL_PERMISSION");
+        INITIAL_PERMISSION.remove("android.permission.READ_PHONE_STATE");
+        INITIAL_PERMISSION.remove("android.permission.READ_PHONE_NUMBERS");
+    }
+}