Fix crash when looking for details on an iconless asset

Update Master's hot fixes

app/src/main/java/com/herbron/moodl/Activities/CurrencyDetailsActivity.java

@@ -135,6 +135,8 @@ public class CurrencyDetailsActivity extends AppCompatActivity {
         Objects.requireNonNull(getSupportActionBar()).setDisplayOptions(ActionBar.DISPLAY_SHOW_HOME |
                 ActionBar.DISPLAY_SHOW_TITLE | ActionBar.DISPLAY_HOME_AS_UP | ActionBar.DISPLAY_USE_LOGO);
 
+        if(currency.getIcon() != null)
+        {
             Bitmap result = Bitmap.createBitmap(150, 150, currency.getIcon().getConfig());
 
             Paint paint = new Paint();
@@ -153,6 +155,7 @@ public class CurrencyDetailsActivity extends AppCompatActivity {
                                     , false)));
         }
     }
+}
 /*for(int i = 0; i < dataChartList.size(); i++)
         {*/
             /*if(counter == offset)

app/src/main/java/com/herbron/moodl/DataManagers/DataCrypter.java

@@ -82,7 +82,8 @@ public class DataCrypter {
 
         } catch(NoSuchPaddingException | NoSuchAlgorithmException
                 | InvalidKeyException | UnsupportedEncodingException
-                | InvalidAlgorithmParameterException e) {
+                | InvalidAlgorithmParameterException | BadPaddingException
+                | IllegalBlockSizeException e) {
             e.printStackTrace();
         }
 

build.gradle

@@ -7,7 +7,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.0'
+        classpath 'com.android.tools.build:gradle:3.1.4'
         
 
         // NOTE: Do not place your application dependencies here; they belong