MainActivity.Java
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
TextView txtforresult;
Button btnforresult;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
txtforresult=(TextView)findViewById(R.id.txtforresult);
btnforresult=(Button)findViewById(R.id.btnforresult);
btnforresult.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intentforResult=new Intent(getApplicationContext(),ForResultActivity.class);
startActivityForResult(intentforResult,1);
}
});
}
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 1) {
if(resultCode == Activity.RESULT_OK){
String result=data.getStringExtra("result");
txtforresult.setText(result);
}
else //(resultCode == Activity.RESULT_CANCELED)
{
//Write your codej if there's no result
txtforresult.setText("Default Message");
}
}
}
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity">
<TextView
android:id="@+id/txtforresult"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="20dp"
android:textSize="20dp"
android:textAlignment="center"
android:text="Default Message" />
<Button
android:id="@+id/btnforresult"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:padding="20dp"
android:textColor="@color/White"
android:textSize="20dp"
android:text="Get Message" />
</LinearLayout>
ForResultActivity.Java
// you have to create xml layout for this activity
// inside xml file 1 EditText and 1 Button
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.Button;
import android.widget.EditText;
public class ForResultActivity extends AppCompatActivity {
EditText edtforresult;
Button btnforresulttwo;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_for_result);
edtforresult=(EditText)findViewById(R.id.edtforresult);
btnforresulttwo=(Button)findViewById(R.id.btnforresulttwo);
btnforresulttwo.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String message=edtforresult.getText().toString();
Intent returnIntent = new Intent();
returnIntent.putExtra("result",message);
setResult(Activity.RESULT_OK,returnIntent);
finish();
}
});
}
}
