package com.example.user.myapplication; import android.content.Intent; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView; public class CActivity extends AppCompatActivity { private Intent intent; private TextView ri; Button back,home; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_c); home=(Button)findViewById(R.id.button7); back=(Button)findViewById(R.id.button8); ri=(TextView)findViewById(R.id.textView8); ri.setText(getIntent().getStringExtra("infoC")); intent=new Intent(CActivity.this,MainActivity.class); back.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { finish(); } }); home.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { startActivity(intent); } }); } }