Gradle version updates, remove ads, and other changes for successful compilations.

app/src/main/java/com/hyperling/apps/games/MainActivity.java

@@ -8,13 +8,11 @@ import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 
-import com.google.android.gms.ads.AdView;
-
 public class MainActivity extends AppCompatActivity {
 
     private Button btnGameBird, btnGameCow, btnGamePig, btnGameChicken, btnGameCat, btnGameSquirrel, btnOptions, btnHighScores, btnHelp;
 
-    private String TAG, sharedPreferencesKey, adsKey, birdScoreKey, chickenScoreKey;
+    private String TAG, sharedPreferencesKey, birdScoreKey, chickenScoreKey;
 
     private SharedPreferences sharedPreferences;
 
@@ -28,7 +26,6 @@ public class MainActivity extends AppCompatActivity {
 
         // Keys
         sharedPreferencesKey = getString(R.string.sharedPreferencesKey);
-        adsKey = getString(R.string.adsKey);
         birdScoreKey = getString(R.string.birdScoreKey);
         chickenScoreKey = getString(R.string.chickenScoreKey);
 
@@ -101,8 +98,6 @@ public class MainActivity extends AppCompatActivity {
 
     @Override
     protected void onResume() {
-        displayAds();
-
         // Append high scores to button text
         int score;
         String newText;
@@ -160,10 +155,6 @@ public class MainActivity extends AppCompatActivity {
         startActivity(options);
     }
 
-    private void displayAds(){
-        AdsHelper.toggleAds(sharedPreferences, adsKey, getApplicationContext(), (AdView) findViewById(R.id.adViewMain));
-    }
-
     private void doHighScoresButton(){
         Intent highScores = new Intent(MainActivity.this, HighScoreActivity.class);
         startActivity(highScores);