package com.xiangli.coolweather;

import android.os.Bundle;



public class MainActivity extends AppCompatActivity {


    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setcontentview(R.layout.activity_main);
        int a =2;
        String.valueOf(a);
        String A = "SDSS";
        String s = "2123";





    }

    public void setname() {

    }
}





package com.xiangli.coolweather;

import android.os.Bundle;



public class MainActivity extends AppCompatActivity {


    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setcontentview(R.layout.activity_main);
        int a =2;
        String.valueOf(a);
        String f = "ss";
        String A = "SDSS";
        String s = "2123";





    }

    public void setname() {

    }
}





Update MainActivity.java