@@ -0,0 +1,362 @@
+package com.joker.fourfun.ui;%0A%0Aimport android.os.Bundle;%0Aimport android.support.v7.app.AppCompatActivity;%0A%0Aimport com.joker.fourfun.R;%0A%0Apublic class MainActivity extends AppCompatActivity %7B%0A%0A    @Override%0A    protected void onCreate(Bundle savedInstanceState) %7B%0A        super.onCreate(savedInstanceState);%0A        setContentView(R.layout.activity_main);%0A    %7D%0A%7D%0A

add MainActivity