Implicit Intents Demo

Demo:

1)ImplicitIntents Activity:


package com.venkool;

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 ImplicitIntentsDemoActivity extends Activity {

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

      @Override

      public void onCreate(Bundle savedInstanceState) {

            super.onCreate(savedInstanceState);

            setContentView(R.layout.first);

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

            btnClick.setOnClickListener(new OnClickListener() {

                  @Override

                  public void onClick(View v) {

                        // TODO Auto-generated method stub

                        Intent intent = new Intent();

                        intent.setAction("action1");

                        intent.addCategory("category1");

                        startActivity(intent);

                  }

            });

      }

}

2)SecondScreen Activity:

 

package com.venkool;

import android.app.Activity;

import android.os.Bundle;

public class SecondScreen extends Activity {

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

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.second);

    }

}

3)first.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:orientation="vertical"

    android:background="@color/FirstBackground">

    <TextView

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:layout_marginTop="20dp"

        android:gravity="center"

        android:text="Implicit Intents Demo"

        android:textSize="20dp"

        android:textStyle="bold" />

    <Button

        android:id="@+id/btnClick"

        android:layout_width="150dp"

        android:layout_height="wrap_content"

        android:layout_gravity="center"

        android:layout_marginTop="30dp"

        android:gravity="center"

        android:text="Click" />

</LinearLayout>

4)second.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="@color/SecondBackground"

    android:orientation="vertical" >

    <TextView

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:layout_marginTop="70dp"

        android:gravity="center"

        android:text="Second Screen"

        android:textSize="30dp"

        android:textStyle="bold" />

    <TextView

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:layout_gravity="center"

        android:layout_marginTop="20dp"

        android:gravity="center"

        android:text="Implicit Intents"

        android:textSize="20dp"

        android:textStyle="bold" />

</LinearLayout>

5)Add this code into manifest.xml:

 

<activity

            android:label="Second Screen"

            android:name=".SecondScreen" >

            <intent-filter >

                <action android:name="action1" />

                <category android:name="category1" />

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

            </intent-filter>

        </activity>

6)Download this Project Click Here