Fix installer crashing when a checksum is provided.

Author: Fox2Code

app/src/main/java/com/fox2code/mmm/installer/InstallerActivity.java

@@ -133,7 +133,9 @@ protected void onCreate(Bundle savedInstanceState) {
                     if (this.canceled) return;
                     if (checksum != null && !checksum.isEmpty()) {
                         Log.d(TAG, "Checking for checksum: " + checksum);
-                        this.installerTerminal.addLine("- Checking file integrity");
+                        this.runOnUiThread(() -> {
+                            this.installerTerminal.addLine("- Checking file integrity");
+                        });
                         if (!Hashes.checkSumMatch(rawModule, checksum)) {
                             this.setInstallStateFinished(false,
                                     "! File integrity check failed", "");

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

@@ -81,7 +81,7 @@ public static boolean checkSumMatch(byte[] data, String checksum) {
                         checksum.length() * 8 + "bit checksums");
                 return false;
         }
-        Log.d(TAG, "Checksum result (data: " + hash+ ",expected: " + checksum);
+        Log.d(TAG, "Checksum result (data: " + hash+ ",expected: " + checksum + ")");
         return hash.equals(checksum.toLowerCase(Locale.ROOT));
     }
 }