Minor update/fixes to previous contributions.

app/src/main/java/com/fox2code/mmm/AppUpdateManager.java

@@ -142,18 +142,26 @@ public class AppUpdateManager {
                     .getBytes(StandardCharsets.UTF_8);
             this.parseCompatibilityFlags(new ByteArrayInputStream(rawData));
             Files.write(compatFile, rawData);
+            if (!BuildConfig.ENABLE_AUTO_UPDATER)
+                this.lastCheckSuccess = true;
         } catch (Exception e) {
+            if (!BuildConfig.ENABLE_AUTO_UPDATER)
+                this.lastCheckSuccess = false;
             Log.e("AppUpdateManager", "Failed to update compat list", e);
         }
     }
 
     public boolean peekShouldUpdate() {
+        if (!BuildConfig.ENABLE_AUTO_UPDATER)
+            return false;
         return !(BuildConfig.VERSION_NAME.equals(this.latestRelease) ||
                 (this.preReleaseNewer &&
                         BuildConfig.VERSION_NAME.equals(this.latestPreRelease)));
     }
 
     public boolean peekHasUpdate() {
+        if (!BuildConfig.ENABLE_AUTO_UPDATER)
+            return false;
         return !BuildConfig.VERSION_NAME.equals(this.preReleaseNewer ?
                 this.latestPreRelease : this.latestRelease);
     }

app/src/main/java/com/fox2code/mmm/MainActivity.java

@@ -178,9 +178,11 @@ public class MainActivity extends CompatActivity implements SwipeRefreshLayout.O
                 if (!NotificationType.NO_INTERNET.shouldRemove()) {
                     moduleViewListBuilder.addNotification(NotificationType.NO_INTERNET);
                 } else {
-                    if (AppUpdateManager.getAppUpdateManager().checkUpdate(true))
+                    // Compatibility data still needs to be updated
+                    AppUpdateManager appUpdateManager = AppUpdateManager.getAppUpdateManager();
+                    if (BuildConfig.ENABLE_AUTO_UPDATER && appUpdateManager.checkUpdate(true))
                         moduleViewListBuilder.addNotification(NotificationType.UPDATE_AVAILABLE);
-                    if (AppUpdateManager.getAppUpdateManager().isLastCheckSuccess())
+                    if (!BuildConfig.ENABLE_AUTO_UPDATER || appUpdateManager.isLastCheckSuccess())
                         AppUpdateManager.getAppUpdateManager().checkUpdateCompat();
                     if (max != 0) {
                         int current = 0;

app/src/main/java/com/fox2code/mmm/androidacy/AndroidacyWebAPI.java

@@ -219,7 +219,7 @@ public class AndroidacyWebAPI {
             this.forceQuitRaw("Non Androidacy module link used on Androidacy");
             return;
         }
-        if (checksum != null) checksum = checksum.trim();
+        checksum = Hashes.checkSumFormat(checksum);
         if (checksum == null || checksum.isEmpty()) {
             Log.w(TAG, "Androidacy WebView didn't provided a checksum!");
         } else if (!Hashes.checkSumValid(checksum)) {
@@ -261,7 +261,7 @@ public class AndroidacyWebAPI {
             this.forceQuitRaw("Non Androidacy module link used on Androidacy");
             return;
         }
-        if (checksum != null) checksum = checksum.trim();
+        checksum = Hashes.checkSumFormat(checksum);
         if (checksum == null || checksum.isEmpty()) {
             Log.w(TAG, "Androidacy WebView didn't provided a checksum!");
         } else if (!Hashes.checkSumValid(checksum)) {

app/src/main/java/com/fox2code/mmm/utils/Hashes.java

@@ -5,10 +5,12 @@ import android.util.Log;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.util.Locale;
+import java.util.regex.Pattern;
 
 public class Hashes {
     private static final String TAG = "Hashes";
     private static final char[] HEX_ARRAY = "0123456789abcdef".toCharArray();
+    private static final Pattern nonAlphaNum = Pattern.compile("[^a-zA-Z0-9]");
     public static String bytesToHex(byte[] bytes) {
         char[] hexChars = new char[bytes.length * 2];
         for (int j = 0; j < bytes.length; j++) {
@@ -65,8 +67,7 @@ public class Hashes {
      */
     public static boolean checkSumMatch(byte[] data, String checksum) {
         String hash;
-        // Remove all non-alphanumeric characters
-        checksum = checksum.replaceAll("[^a-zA-Z0-9]", "");
+        if (checksum == null) return false;
         switch (checksum.length()) {
             case 0:
                 return true; // No checksum
@@ -124,4 +125,10 @@ public class Hashes {
                 return "SHA-512";
         }
     }
+
+    public static String checkSumFormat(String checksum) {
+        if (checksum == null) return null;
+        // Remove all non-alphanumeric characters
+        return nonAlphaNum.matcher(checksum.trim()).replaceAll("");
+    }
 }