Explicit Intent Example

There are two types of Intent navigation between activities
1. Explicit Intent Navigation
2. Implicit Intent Navigation

Following is an example of explicit Intent Navigation

step1: create new android application projects
step2: create new activity<SecondActivity.java>
step3: create new xml file<second_page.xml> under layout folder
step4: register the activity in manifest.xml file

activity_main.xml

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

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    tools:context=".MainActivity" >

    <Button

        android:id="@+id/button1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_centerHorizontal="true"

        android:layout_centerVertical="true"

        android:text="@string/next_page" />

</RelativeLayout>

MainActicity.java

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;

public class MainActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

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

b.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

Intent i = new Intent(getApplicationContext(),

SecondActivity.class);

startActivity(i);

finish();

}

});

}

}

strings.xml

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

<resources>

    <string name="app_name">Exlicit Intent</string>

    <string name="title_activity_second">SecondActivity</string>

    <string name="second_activity">This is second Activity</string>

    <string name="next_page">Go to second Activity</string>

</resources>

second_page.xml

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

    android:id="@+id/LinearLayout1"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical" >

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_marginLeft="24dp"

        android:layout_marginTop="42dp"

        android:text="@string/second_activity"

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

</LinearLayout>

SecondActivity.java

import android.app.Activity;

import android.os.Bundle;

public class SecondActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.second_page);

}

}

Note: add activity registration in manifest.xml as follows

AndroidManifest.xml
<application>
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-
-
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        <activity
            android:name="com.example.exlicitnavigationexample.SecondActivity"
            android:label="@string/title_activity_second" >
        </activity>
</application>