Android StartActivityForResult Example

By the help of android startActivityForResult() method, we can get result from another activity.

By the help of android startActivityForResult() method, we can send information from one activity to another and vice-versa. The android startActivityForResult method, requires a result from the second activity (activity to be invoked).

In such case, we need to override the onActivityResult method that is invoked automatically when second activity returns result.

Method Signature

There are two variants of startActivityForResult() method.

public void startActivityForResult (Intent intent, int requestCode)
public void startActivityForResult (Intent intent, int requestCode, Bundle options)

Android StartActivityForResult Example

Let's see the simple example of android startActivityForResult method.

activity_main.xml

Drag one textview and one button from the pallete, now the xml file will look like this.

File: activity_main.xml

<RelativeLayout xmlns:androclass="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >
    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/button1"
        android:layout_alignParentTop="true"
        android:layout_marginTop="48dp"
        android:text="Default Message" />
    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/textView1"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="42dp"
        android:text="GetMessage" />
</RelativeLayout>

second_main.xml

This xml file is created automatically when you create another activity. To create new activity Right click on the package inside the src -> New -> Other ->Android Activity.

Now drag one editText, one textView and one button from the pallete, now the xml file will look like this:

File: second_main.xml

<RelativeLayout xmlns:androclass="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".SecondActivity" >
    <EditText
        android:id="@+id/editText1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_marginTop="61dp"
        android:layout_toRightOf="@+id/textView1"
        android:ems="10" />
    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBaseline="@+id/editText1"
        android:layout_alignBottom="@+id/editText1"
        android:layout_alignParentLeft="true"
        android:text="Enter Message:" />
    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/editText1"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="34dp"
        android:text="Submit" />
</RelativeLayout>

Activity class

Now let's write the code that invokes another activity and get result from that activity.

File: MainActivity.java

package com.javatpoint.startactivityforresult;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
public class MainActivity extends Activity {
	TextView textView1;
	Button button1;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        textView1=(TextView)findViewById(R.id.textView1);
        button1=(Button)findViewById(R.id.button1);
        button1.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View arg0) {
				Intent intent=new Intent(MainActivity.this,SecondActivity.class);
	            startActivityForResult(intent, 2);// Activity is started with requestCode 2
			}
		});
    }
 // Call Back method  to get the Message form other Activity
    @Override
       protected void onActivityResult(int requestCode, int resultCode, Intent data)
       {
                 super.onActivityResult(requestCode, resultCode, data);
                  // check if the request code is same as what is passed  here it is 2
                   if(requestCode==2)
                         {
                            String message=data.getStringExtra("MESSAGE"); 
                            textView1.setText(message);
                         }
     }
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
}

SecondActivity class

Let's write the code that displays the content of second activity layout file.

File: SecondActivity.java

package com.javatpoint.startactivityforresult;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class SecondActivity extends Activity {
	EditText editText1;
	Button button1;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_second);
		editText1=(EditText)findViewById(R.id.editText1);
	        button1=(Button)findViewById(R.id.button1);
	        button1.setOnClickListener(new OnClickListener() {
				@Override
				public void onClick(View arg0) {
					String message=editText1.getText().toString();
			        Intent intent=new Intent();
			        intent.putExtra("MESSAGE",message);
			        setResult(2,intent);
			        finish();//finishing activity
				}
			});
	}
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.second, menu);
		return true;
	}
}

download this android example

Output:

android startactivityforresult example output 3

android startactivityforresult example output 4

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Android StartActivityForResult Example

Method Signature

Android StartActivityForResult Example

activity_main.xml

second_main.xml

Activity class

SecondActivity class

Output:

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