Intent - values passing One Activity to Another Activity

 

1.IntentDemo1Activity:

package com.venkool;

import android.app.Activity

public class IntentDemo1Activity extends Activity {

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

      EditText edtUsername ,edtPassword;

      @Override

      public void onCreate(Bundle savedInstanceState) {

            super.onCreate(savedInstanceState);

            setContentView(R.layout.main);

            Button btnLogin = (Button) findViewById(R.id.btnLogin);

            edtUsername = (EditText) findViewById(R.id.edtUserName);

            edtPassword = (EditText) findViewById(R.id.edtPassword);

            btnLogin.setOnClickListener(new OnClickListener() {

                  @Override

                  public void onClick(View v) {

                        // TODO Auto-generated method stub

                        String Username, Password = null;

                       

                        Username = edtUsername.getText().toString();

                        Password = edtPassword.getText().toString();

                        Intent intent = new Intent(IntentDemo1Activity.this,

                                    SecondScreen.class);

                        intent.putExtra("username", Username);

                        intent.putExtra("password", Password);

                        startActivity(intent);

                  }

            });

      }

}

2.SecondScreenActivity:

package com.venkool;

import android.app.Activity

public class SecondScreen extends Activity {

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

      EditText edtUsername ,edtPassword;

      @Override

      public void onCreate(Bundle savedInstanceState) {

            super.onCreate(savedInstanceState);

            setContentView(R.layout.results);

            Bundle b = getIntent().getExtras();

           

            String UserName =b.getString("username");

            String Password =b.getString("password");

           

            TextView tvUserName = (TextView) findViewById(R.id.tvForUserName);

            TextView tvPassword = (TextView) findViewById(R.id.tvForPassword);

           

            tvUserName.setText(UserName);

            tvPassword.setText(Password);

      }

}

3.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:layout_gravity="center|center_vertical"

    android:orientation="vertical"

    android:background="@color/myColor">

    <TextView

        android:id="@+id/tvUserName"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:layout_marginTop="20dp"

        android:text="UserName" />

    <EditText

        android:id="@+id/edtUserName"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content" />

    <TextView

        android:id="@+id/tvPassword"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="Password" />

    <EditText

        android:id="@+id/edtPassword"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:password="true" />

    <Button

        android:id="@+id/btnLogin"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="Login" />

    <Button

        android:id="@+id/btnCancel"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="Cancel" />

</LinearLayout>

4.results.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:layout_gravity="center|center_vertical"

    android:background="@color/myColor1"

    android:orientation="vertical" >

    <TextView

        android:id="@+id/tvUserName"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:layout_marginTop="20dp"

        android:gravity="center"

        android:text="Your UserName and Password"

        android:textSize="15dp" />

    <LinearLayout

        android:layout_marginTop="30dp"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:orientation="horizontal" >

        <TextView

            android:id="@+id/tvForUserName"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_weight="1"

            android:gravity="center" />

        <TextView

            android:id="@+id/tvForPassword"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_weight="1"

            android:gravity="center" />

    </LinearLayout>

</LinearLayout>

5: Register your All Activities in Android manifest File

Ex:

  <application

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name" >

       

        <activity

            android:label="@string/app_name"

            android:name=".SecondScreen" />

           

        <activity

            android:label="@string/app_name"

            android:name=".IntentDemo1Activity" >

            <intent-filter >

                <action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>