Shrink snet APK, and prevent crashing

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

@@ -39,7 +39,7 @@ public class Const {
 
     // Versions
     public static final int UPDATE_SERVICE_VER = 1;
-    public static final int SNET_VER = 9;
+    public static final int SNET_VER = 10;
 
     public static int MIN_MODULE_VER() {
         return MagiskManager.get().magiskVersionCode >= MAGISK_VER.REMOVE_LEGACY_LINK ? 1500 : 1400;
@@ -81,7 +81,7 @@ public class Const {
     public static class Url {
         public static final String STABLE_URL = "https://raw.githubusercontent.com/topjohnwu/magisk_files/master/stable.json";
         public static final String BETA_URL = "https://raw.githubusercontent.com/topjohnwu/magisk_files/master/beta.json";
-        public static final String SNET_URL = "https://github.com/topjohnwu/magisk_files/raw/fc819e3974e96d0e4430a2957df4410971ebd6f3/snet.apk";
+        public static final String SNET_URL = "https://github.com/topjohnwu/magisk_files/raw/a300521162587da23e45010797bfd8c9a03594f6/snet.apk";
         public static final String REPO_URL = "https://api.github.com/users/Magisk-Modules-Repo/repos?per_page=100&page=%d";
         public static final String FILE_URL = "https://raw.githubusercontent.com/Magisk-Modules-Repo/%s/master/%s";
         public static final String ZIP_URL = "https://github.com/Magisk-Modules-Repo/%s/archive/master.zip";

snet/build.gradle

@@ -16,12 +16,15 @@ android {
         release {
             minifyEnabled true
             shrinkResources true
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
 }
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'com.google.android.gms:play-services-safetynet:7.0.0'  /* The oldest version */
+    /* The oldest version */
+    implementation('com.google.android.gms:play-services-safetynet:7.0.0') {
+        exclude module: 'support-v4'
+    }
 }

snet/proguard-rules.pro

@@ -20,6 +20,7 @@
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
 
--keep class com.topjohnwu.snet.* { *; }
+-ignorewarnings
+-keep class com.topjohnwu.snet.Snet { *; }
 -dontwarn java.lang.invoke**
 -dontwarn com.google.android.gms.common.GooglePlayServicesUtil**

snet/src/main/java/com/topjohnwu/snet/ModdedGPSUtil.java

@@ -5,13 +5,14 @@ import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.ContextWrapper;
+import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.content.res.AssetManager;
 import android.content.res.Resources;
 import android.util.Log;
 
 import com.google.android.gms.common.GooglePlayServicesUtil;
-import com.google.android.gms.common.internal.zzg;
 import com.google.android.gms.internal.zzlu;
 
 /* Decompiled and modified from GooglePlayServiceUtil.class */
@@ -20,7 +21,7 @@ public class ModdedGPSUtil {
     private static final String TAG = "GooglePlayServicesUtil";
     static String dexPath;
 
-    static Dialog getErrorDialog(int errCode, Activity activity, int requestCode) {
+    static Dialog getErrorDialog(int errCode, final Activity activity, final int requestCode) {
         SwapResContext ctx = new SwapResContext(activity, dexPath);
         Resources res = ctx.getResources();
         if (zzlu.zzQ(ctx) && errCode == 2) {
@@ -33,8 +34,16 @@ public class ModdedGPSUtil {
 
         String btnMsg = GooglePlayServicesUtil.zzf(ctx, errCode);
         if (btnMsg != null) {
-            Intent intent = GooglePlayServicesUtil.zzan(errCode);
-            builder.setPositiveButton(btnMsg, new zzg(activity, intent, requestCode));
+            final Intent intent = GooglePlayServicesUtil.zzan(errCode);
+            builder.setPositiveButton(btnMsg, new DialogInterface.OnClickListener() {
+                @Override
+                public void onClick(DialogInterface dialog, int i) {
+                    PackageManager pm = activity.getPackageManager();
+                    if (intent != null && intent.resolveActivity(pm) != null)
+                        activity.startActivityForResult(intent, requestCode);
+                    dialog.dismiss();
+                }
+            });
         }
 
         switch(errCode) {
@@ -116,20 +125,14 @@ public class ModdedGPSUtil {
 
         public SwapResContext(Context base, String apk) {
             super(base);
-            asset = getAssets(apk);
-            Resources res = base.getResources();
-            resources = new Resources(asset, res.getDisplayMetrics(), res.getConfiguration());
-        }
-
-        private AssetManager getAssets(String apk) {
             try {
-                AssetManager asset = AssetManager.class.newInstance();
+                asset = AssetManager.class.newInstance();
                 AssetManager.class.getMethod("addAssetPath", String.class).invoke(asset, apk);
-                return asset;
             } catch (Exception e) {
                 e.printStackTrace();
-                return null;
             }
+            Resources res = base.getResources();
+            resources = new Resources(asset, res.getDisplayMetrics(), res.getConfiguration());
         }
 
         @Override

snet/src/main/java/com/topjohnwu/snet/SafetyNetHelper.java

@@ -2,8 +2,6 @@ package com.topjohnwu.snet;
 
 import android.app.Activity;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
 import android.util.Base64;
 
 import com.google.android.gms.common.ConnectionResult;
@@ -31,7 +29,7 @@ public class SafetyNetHelper implements InvocationHandler, GoogleApiClient.Conne
     public static final int BASIC_PASS = 0x10;
     public static final int CTS_PASS = 0x20;
 
-    public static final int SNET_EXT_VER = 9;
+    public static final int SNET_EXT_VER = 10;
 
     private GoogleApiClient mGoogleApiClient;
     private Activity mActivity;
@@ -81,14 +79,14 @@ public class SafetyNetHelper implements InvocationHandler, GoogleApiClient.Conne
     }
 
     @Override
-    public void onConnectionFailed(@NonNull ConnectionResult result) {
+    public void onConnectionFailed(ConnectionResult result) {
         if (GooglePlayServicesUtil.isUserRecoverableError(result.getErrorCode()))
             ModdedGPSUtil.getErrorDialog(result.getErrorCode(), mActivity, 0).show();
         invokeCallback(CONNECTION_FAIL);
     }
 
     @Override
-    public void onConnected(@Nullable Bundle bundle) {
+    public void onConnected(Bundle bundle) {
         // Create nonce
         byte[] nonce = new byte[24];
         new SecureRandom().nextBytes(nonce);