StartActivityForResult - Result Getting from Various Activities

Demo:

1)Main Activity:

package com.venky.startactivityforresult1;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

public class MainActivity extends Activity implements OnClickListener {

      /** Called when the activity is first created. */

      TextView tvResult;

      EditText edtFirstNumber, edtSecondNumber;

      @Override

      public void onCreate(Bundle savedInstanceState) {

            super.onCreate(savedInstanceState);

            setContentView(R.layout.main);

            tvResult = (TextView) findViewById(R.id.textView1);

            edtFirstNumber = (EditText) findViewById(R.id.editText1);

            edtSecondNumber = (EditText) findViewById(R.id.editText2);

            Button btnSum = (Button) findViewById(R.id.button1);

            Button btnSub = (Button) findViewById(R.id.button2);

            Button btnMul = (Button) findViewById(R.id.button3);

            Button btnDiv = (Button) findViewById(R.id.button4);

            btnSum.setOnClickListener(this);

            btnSub.setOnClickListener(this);

            btnMul.setOnClickListener(this);

            btnDiv.setOnClickListener(this);

      }

      @Override

      public void onClick(View v) {

            // TODO Auto-generated method stub

            int fNumber, sNumber;

            fNumber = Integer.parseInt(edtFirstNumber.getText().toString().trim());

            sNumber = Integer.parseInt(edtSecondNumber.getText().toString().trim());

            switch (v.getId()) {

            case R.id.button1:

                  Intent intent1 = new Intent(getApplicationContext(),

                              SumActivity.class);

                  intent1.putExtra("num1", fNumber);

                  intent1.putExtra("num2", sNumber);

                  startActivityForResult(intent1, 1);

                  break;

            case R.id.button2:

                  Intent intent2 = new Intent(getApplicationContext(),

                              SubActivity.class);

                  intent2.putExtra("num1", fNumber);

                  intent2.putExtra("num2", sNumber);

                  startActivityForResult(intent2, 1);

                  break;

            case R.id.button3:

                  Intent intent3 = new Intent(getApplicationContext(),

                              MulActivity.class);

                  intent3.putExtra("num1", fNumber);

                  intent3.putExtra("num2", sNumber);

                  startActivityForResult(intent3, 1);

                  break;

            case R.id.button4:

                  Intent intent4 = new Intent(getApplicationContext(),

                              DivActivity.class);

                  intent4.putExtra("num1", fNumber);

                  intent4.putExtra("num2", sNumber);

                  startActivityForResult(intent4, 1);

                  break;

            }

      }

      @Override

      protected void onActivityResult(int requestCode, int resultCode, Intent data) {

            // TODO Auto-generated method stub

            super.onActivityResult(requestCode, resultCode, data);

            if (requestCode == 1 && resultCode == 2) {

                  tvResult.setText("Sum is =>" + data.getIntExtra("result", 0));

            } else if (requestCode == 1 && resultCode == 3) {

                  tvResult.setText("Sub is =>" + data.getIntExtra("result", 0));

            } else if (requestCode == 1 && resultCode == 4) {

                  tvResult.setText("Mul is =>" + data.getIntExtra("result", 0));

            } else if (requestCode == 1 && resultCode == 5) {

                  tvResult.setText("Div is =>" + data.getIntExtra("result", 0));

            }

      }

}

2)Sum Activity:

package com.venky.startactivityforresult1;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

public class SumActivity extends Activity {

      @Override

      protected void onCreate(Bundle savedInstanceState) {

            // TODO Auto-generated method stub

            super.onCreate(savedInstanceState);

     

            Intent intent = getIntent();

            int num1 = intent.getIntExtra("num1", 0);

            int num2 = intent.getIntExtra("num2", 0);

            int result = num1 + num2;

            intent.putExtra("result", result);

            setResult(2, intent);

           

            finish();

      }

}

3)Sub Activity:

 

package com.venky.startactivityforresult1;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

public class SubActivity extends Activity {

     

      @Override

      protected void onCreate(Bundle savedInstanceState) {

            // TODO Auto-generated method stub

            super.onCreate(savedInstanceState);

     

     

            Intent intent = getIntent();

            int num1 = intent.getIntExtra("num1", 0);

            int num2 = intent.getIntExtra("num2", 0);

            int result = num1 - num2;

            intent.putExtra("result", result);

            setResult(3, intent);

           

            finish();

      }

}

4)Mul Activity:

 

package com.venky.startactivityforresult1;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

public class MulActivity extends Activity {

     

      @Override

      protected void onCreate(Bundle savedInstanceState) {

            // TODO Auto-generated method stub

            super.onCreate(savedInstanceState);

     

            Intent intent = getIntent();

            int num1 = intent.getIntExtra("num1", 0);

            int num2 = intent.getIntExtra("num2", 0);

            int result = num1 * num2;

            intent.putExtra("result", result);

            setResult(4, intent);

           

            finish();

      }

}

5)Div Activity:

 

package com.venky.startactivityforresult1;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

public class DivActivity extends Activity {

      @Override

      protected void onCreate(Bundle savedInstanceState) {

            // TODO Auto-generated method stub

            super.onCreate(savedInstanceState);

            Intent intent = getIntent();

            int num1 = intent.getIntExtra("num1", 0);

            int num2 = intent.getIntExtra("num2", 0);

            int result = num1 / num2;

            intent.putExtra("result", result);

            setResult(5, intent);

            finish();

      }

}

6)main.xml:

 

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:background="#5F04B4"

    android:orientation="vertical" >

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_marginTop="30dp"

        android:text="Enter First Number"

        android:textAppearance="?android:attr/textAppearanceMedium" />

    <EditText

        android:id="@+id/editText1"

        android:layout_width="match_parent"

        android:layout_height="wrap_content" >

        <requestFocus />

    </EditText>

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_marginTop="20dp"

        android:text="Enter Second Number"

        android:textAppearance="?android:attr/textAppearanceMedium" />

    <EditText

        android:id="@+id/editText2"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:inputType="number" />

    <LinearLayout

        android:id="@+id/linearLayout1"

        android:layout_width="match_parent"

        android:layout_height="wrap_content" >

        <Button

            android:id="@+id/button1"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_weight="1"

            android:text="Sum" />

        <Button

            android:id="@+id/button2"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_weight="1"

            android:text="Sub" />

        <Button

            android:id="@+id/button3"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_weight="1"

            android:text="Mul" />

        <Button

            android:id="@+id/button4"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_weight="1"

            android:text="Div" />

    </LinearLayout>

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_marginTop="30dp"

        android:textAppearance="?android:attr/textAppearanceMedium" />

</LinearLayout>

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