display history

safeDispatch/src/main/java/com/safemobile/dispatch/HistoryActivity.java

@@ -9,12 +9,18 @@ import com.safemobile.lib.SM;
 public class HistoryActivity extends AppCompatActivity {
 
     public Bundle savedInstanceState;
+    private TabLayoutActivity parentTab;
+
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         this.savedInstanceState = savedInstanceState;
         setContentView(R.layout.tabhistory);
+
+        parentTab = (TabLayoutActivity) getParent();
+        parentTab.historyActivity = this;
+
     }
 
     public void UpdateMap() {