changed AccountActivity so that after following someone the FAB hides itself

app/build.gradle

@@ -44,6 +44,7 @@ dependencies {
     compile 'com.jakewharton:butterknife:8.4.0'
     compile 'com.google.firebase:firebase-messaging:10.0.1'
     compile 'com.google.firebase:firebase-crash:10.0.1'
+    compile 'com.github.bluzwong:swipeback:0.2.0@aar'
     testCompile 'junit:junit:4.12'
     annotationProcessor 'com.jakewharton:butterknife-compiler:8.4.0'
 }

app/src/main/java/com/keylesspalace/tusky/AccountActivity.java

@@ -292,7 +292,7 @@ public class AccountActivity extends BaseActivity {
     private void updateButtons() {
         invalidateOptionsMenu();
 
-        FloatingActionButton floatingBtn = (FloatingActionButton) findViewById(R.id.floating_btn);
+        final FloatingActionButton floatingBtn = (FloatingActionButton) findViewById(R.id.floating_btn);
 
         if(!isSelf && !blocking && !following) {
             floatingBtn.show();
@@ -301,6 +301,7 @@ public class AccountActivity extends BaseActivity {
                 @Override
                 public void onClick(View v) {
                     follow(accountId);
+                    floatingBtn.hide();
                 }
             });
         }