GCM_Registration_Example

AndroidManifest.xml
---------------------------
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.kundan.gcmproject"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="18" />
<permission android:name="com.kundan.gcmproject.permission.C2D_MESSAGE" 
    android:protectionLevel="signature" />
<uses-permission android:name="com.kundan.gcmproject.permission.C2D_MESSAGE" /> 
<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
<uses-permission android:name="android.permission.INTERNET" /> 
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="android.permission.WAKE_LOCK" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.kundan.gcmproject.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    <receiver android:name=".MyBroadcastReceiver" android:permission="com.google.android.c2dm.permission.SEND" >
  <intent-filter>
    <action android:name="com.google.android.c2dm.intent.RECEIVE" />
    <action android:name="com.google.android.c2dm.intent.REGISTRATION" />
    <category android:name="com.kundan.gcmproject" />
  </intent-filter>
</receiver>
    </application>

</manifest>


ActivityMain.java
--------------------
package com.kundan.gcmproject;

import android.os.Bundle;
import android.app.Activity;
import android.app.PendingIntent;
import android.content.Intent;
import android.util.Log;
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 {
Button btn1,btn2;
TextView tv;
public static final String SenderID="1096002802846";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btn1=(Button) findViewById(R.id.button1);
btn2=(Button) findViewById(R.id.button2);
tv=(TextView) findViewById(R.id.textView2);
btn1.setOnClickListener(new OnClickListener() {

public void onClick(View v) {

Intent registrationIntent = new Intent("com.google.android.c2dm.intent.REGISTER");

registrationIntent.putExtra("app", PendingIntent.getBroadcast(v.getContext(), 0, new Intent(), 0));
registrationIntent.putExtra("sender",SenderID);
startService(registrationIntent);
System.out.println("**********"+MyBroadcastReceiver.registrationId);
tv.setText(MyBroadcastReceiver.registrationId);
Log.i("button", "button press");
}
});
        
        btn2.setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View v) {
Intent unregIntent = new Intent("com.google.android.c2dm.intent.UNREGISTER");
unregIntent.putExtra("app", PendingIntent.getBroadcast(v.getContext(), 0, new Intent(), 0));
startService(unregIntent);

}
});
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}


}

MyBroadcastReceiver.java

-------------------------------

package com.kundan.gcmproject;

import android.app.Notification;

import android.app.NotificationManager;

import android.app.PendingIntent;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

public class MyBroadcastReceiver extends BroadcastReceiver{

String data1,data2;

Context ctx;

public static String registrationId;

public static String error;

public static String unregistered;

@Override

public void onReceive(Context context, Intent intent) {

ctx = context;

try {

            String action = intent.getAction();

            if (action.equals("com.google.android.c2dm.intent.REGISTRATION")) {

                handleRegistration(intent);

            } else if (action.equals("com.google.android.c2dm.intent.RECEIVE")) {

               handleMessage(intent);

            }

        } finally {

           

           

        }

}

@SuppressWarnings("deprecation")

private void handleRegistration(Intent intent) {

       registrationId = intent.getStringExtra("registration_id");

       error = intent.getStringExtra("error");

       unregistered = intent.getStringExtra("unregistered");       

       // registration succeeded

       if (registrationId != null) {

        new MyFileaccess().Load_Data("REGID", registrationId, ctx);

       

        NotificationManager mNotificationManager = (NotificationManager)ctx.getSystemService(Context.NOTIFICATION_SERVICE);

        Notification notification = new Notification(R.drawable.ic_launcher,"Registration Successful", System.currentTimeMillis());

        notification.flags |= Notification.FLAG_AUTO_CANCEL;

        Intent i = new Intent(ctx, MainActivity.class);

        PendingIntent activity = PendingIntent.getActivity(ctx, 0, i, 0);

        notification.setLatestEventInfo(ctx, "Registration Success", registrationId, activity);        

        mNotificationManager.notify(0, notification);

       

          

       }            

      

       if (unregistered != null) {

        new MyFileaccess().Load_Data("REGID","0", ctx);

        NotificationManager mNotificationManager = (NotificationManager) ctx.getSystemService(Context.NOTIFICATION_SERVICE);

        Notification notification = new Notification(R.drawable.ic_launcher,"UnRegistration Successful", System.currentTimeMillis());

        notification.flags |= Notification.FLAG_AUTO_CANCEL;

        notification.number += 1;

        PendingIntent activity = PendingIntent.getActivity(ctx, 0, null, 0);

        notification.setLatestEventInfo(ctx, "UnRegistration Success", unregistered, activity);

        mNotificationManager.notify(0, notification);

       

           

       }            

       

       if (error != null) {

           if ("SERVICE_NOT_AVAILABLE".equals(error)) {

            NotificationManager mNotificationManager = (NotificationManager) ctx.getSystemService(Context.NOTIFICATION_SERVICE);

        Notification notification = new Notification(R.drawable.ic_launcher,"Error", System.currentTimeMillis());

        notification.flags |= Notification.FLAG_AUTO_CANCEL;

        notification.number += 1;

        PendingIntent activity = PendingIntent.getActivity(ctx, 0, null, 0);

        notification.setLatestEventInfo(ctx, "Error in registration", error, activity);

        mNotificationManager.notify(0, notification);              

             

           } else {

              

              

           }

       }

   }

@SuppressWarnings("deprecation")

private void handleMessage(Intent intent) {        

       String data1 = intent.getStringExtra("data1");

       String data2 = intent.getStringExtra("data2");

       

   NotificationManager mNotificationManager = (NotificationManager)ctx.getSystemService(Context.NOTIFICATION_SERVICE);

      Notification notification = new Notification(R.drawable.ic_launcher,"Message recieved from server", System.currentTimeMillis());

      notification.flags |= Notification.FLAG_AUTO_CANCEL;

      notification.number += 1;

      Intent i = new Intent(ctx, MainActivity.class);

      PendingIntent activity = PendingIntent.getActivity(ctx, 0, i, 0);

      notification.setLatestEventInfo(ctx,data1, data2, activity);

      mNotificationManager.notify(0, notification);

      

   }

}

MyFileaccess.java

----------------------

package com.kundan.gcmproject;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import android.content.Context;

public class MyFileaccess {

@SuppressWarnings("static-access")

public void Load_Data(String filename, String Datastring, Context context) {

FileOutputStream fos;

try {

fos = context.openFileOutput(filename, context.MODE_PRIVATE);

fos.write(Datastring.getBytes());

fos.close();

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

} catch (IOException e) {

// TODO Auto-generated catch block

}

}

public String get_Data(String filename,Context context)

{

FileInputStream f = null;

String temp="";

try {

f= context.openFileInput(filename);

int n = f.available();

for(int i=0;i<n;i++)

{

temp=temp+(char)f.read();

}

f.close();

}catch (IOException e)

{

}

return temp;

}

}

activity_main.xml

------------------------

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

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

    android:id="@+id/RelativeLayout1"

    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/textView2"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_alignParentLeft="true"

        android:layout_below="@+id/textView1"

        android:textColor="#990000"

      

        android:text=" "

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

    <Button

        android:id="@+id/button1"

        style="?android:attr/buttonStyleSmall"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@+id/button2"

        android:layout_below="@+id/textView2"

        android:layout_marginTop="73dp"

        android:text="Activate" />

    <Button

        android:id="@+id/button2"

        style="?android:attr/buttonStyleSmall"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@+id/textView2"

        android:layout_below="@+id/button1"

        android:text="Deactivate" />

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="17dp"

        android:text="Your Reg IDs is..."

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

</RelativeLayout>

Custom Enter key

activity_main.xml
---------------------
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/LinearLayout2"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/round_back"
    android:orientation="vertical"
    tools:context=".MainActivity" >

    <EditText
        android:id="@+id/editText1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10" 
        android:singleLine="true"
        android:imeOptions="actionSearch">

        <requestFocus />
    </EditText>

    <EditText
        android:id="@+id/editText2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10" 
        android:singleLine="true"
        android:imeOptions="actionGo"/>

    <EditText
        android:id="@+id/editText3"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10" 
        android:singleLine="true"
        android:imeOptions="flagNavigateNext"/>

    <EditText
        android:id="@+id/editText4"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10" 
        android:singleLine="true"
        android:imeOptions="actionSend"/>

</LinearLayout>

Image_Mask

MainActivity.java
--------------------
package com.kundan.sampletest;



public class MainActivity extends Activity {


@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ImageView iv=new ImageView(this);
Bitmap source=BitmapFactory.decodeResource(getResources(),R.drawable.titli);
Bitmap result=Bitmap.createBitmap(source.getWidth(),source.getHeight(),Config.ARGB_8888);
Canvas canvas=new Canvas(result);
Paint paint=new Paint(Paint.ANTI_ALIAS_FLAG);
RectF rect=new RectF(0,0,source.getWidth(),source.getHeight());
float radius=25.0f;
paint.setColor(Color.BLACK);
canvas.drawRoundRect(rect, radius, radius, paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(source, 0, 0, paint);
paint.setXfermode(null);
iv.setImageBitmap(result);
setContentView(iv);




}

@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;
}

}

Drawable Pattern

 src_one

src_two


pattern_checker.xml
-----------------------
<?xml version="1.0" encoding="utf-8"?>
<bitmap xmlns:android="http://schemas.android.com/apk/res/android" 
    android:src="@drawable/src_one"
    android:tileMode="repeat">
    

</bitmap>

pattern_stripe.xml

---------------------

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

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

     android:src="@drawable/src_two"

    android:tileMode="mirror">

</bitmap>

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"

    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"

    android:background="@drawable/pattern_stripe" >

</RelativeLayout>

App with translucent background

style.xml
------------
<style name="AppTheme" parent="AppBaseTheme">
        <!-- All customizations that are NOT specific to a particular API-level can go here. -->
                <item name="android:windowIsTranslucent">true</item>
<item name="android:windowBackground">@android:color/transparent</item> 
    </style>

uninstalling .apk file from emulator

press menu->Settings->Apps->select your application from  listView ->press uninstall -> OK wait for someTimes...uninstall finished... :)

Installing .apk file in emulator

put your .apk file in \platform-tools
ie
D:\KUNDAN\adt-bundle-windows-x86-20130522\sdk\platform-tools

open the command prompt(cmd.exe) change your directory
ie

D:\KUNDAN\adt-bundle-windows-x86-20130522\sdk\platform-tools>
execute the command ie
adb install <filename>.apk
ie.
adb install jlcindia.apk

JSON Parser Example(Reading data from JSON and displaying in custom ListView)

Create a folder name raw, in res folder of your project.
inside the raw folder create a file address.json and paste the following code....


res->raw->address.json
-----------------------------
{
    "contacts": [
        {
                "id": "k001",
                "name": "Kundan Kumar",
                "email": "kk@gmail.com",
                "address": "Bangalore - karnataka",
                "gender" : "male",
                "phone": "8123561470"
        },
        {
                 "id": "S001",
                "name": "Sangam Kumar",
                "email": "ss@gmail.com",
                "address": "India",
                "gender" : "male",
                "phone": "08123565560"
               
        }
   
  ]
}


activity_main.xml
---------------------
<LinearLayout 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"
    android:orientation="vertical"
 
    tools:context=".MainActivity"
    android:background="@drawable/bg">

    <ListView
        android:id="@+id/listView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:divider="#990000"
        android:dividerHeight="1dip"
        android:paddingTop="5dip">
    </ListView>

</LinearLayout>

image_view.xml

-------------------

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

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

    android:id="@+id/RelativeLayout1"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical" >

    <ImageView

        android:id="@+id/imageView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentLeft="true"

        android:layout_alignParentTop="true"

        android:layout_marginLeft="19dp"

        android:src="@drawable/ic_launcher" />

    <TextView

        android:id="@+id/phoneView"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@+id/nameView"

        android:layout_below="@+id/nameView"

        android:text="Phone" />

    <TextView

        android:id="@+id/nameView"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentTop="true"

        android:layout_marginLeft="20dp"

        android:layout_toRightOf="@+id/imageView1"

        android:text="Name"

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

</RelativeLayout>

MainActivity.java

---------------------

package com.kundan.jsonexample;

import java.io.BufferedReader;

import java.io.InputStream;

import java.io.InputStreamReader;

import org.json.JSONArray;

import org.json.JSONObject;

import android.os.Bundle;

import android.app.Activity;

import android.util.Log;

import android.view.Menu;

import android.widget.ListView;

public class MainActivity extends Activity {

ListView lv;

String jsonstr=null;

String[] nameID;

String[] phoneID;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

lv=(ListView) findViewById(R.id.listView1);

try {

InputStream in=getResources().openRawResource(R.raw.address);

BufferedReader br=new BufferedReader(new InputStreamReader(in));

StringBuilder sb=new StringBuilder();

String line=null;

while((line=br.readLine())!=null){

sb.append(line+"\n");

}

jsonstr=sb.toString();

Log.d(this.toString(), jsonstr);

//System.out.println(jsonstr);

} catch (Exception e) {

Log.e("Buffer Error", "Error converting result " + e.toString());

}

try {

JSONObject jobj=new JSONObject(jsonstr);

//System.out.println(jobj);

JSONArray jarray=jobj.getJSONArray("contacts");

//System.out.println(jarray);

//JSONObject jobj1=jarray.getJSONObject(0);

//System.out.println(jobj1);

nameID=new String[jarray.length()];

phoneID=new String[jarray.length()];

JSONObject jobject=null;

for(int i=0;i<=jarray.length();i++){

jobject=jarray.getJSONObject(i);

//System.out.println(jobject.getString("name"));

//System.out.println(jobject.getString("phone"));

nameID[i]=jobject.getString("name");

phoneID[i]=jobject.getString("phone");

}

} catch (Exception e) {

 Log.e("JSON Parser", "Error parsing data " + e.toString());

}

lv.setAdapter(new MyImageAdapter(this,nameID,phoneID));
lv.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> adapter, View v, int position, long id) {
Toast.makeText(getApplicationContext(), "clicked:"+nameID[position], Toast.LENGTH_SHORT).show();
}
});

}

@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;

}

}

MyImageAdapter.java

-------------------------

package com.kundan.jsonexample;

import android.content.Context;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.webkit.WebView.FindListener;

import android.widget.BaseAdapter;

import android.widget.ImageView;

import android.widget.ListAdapter;

import android.widget.TextView;

public class MyImageAdapter extends BaseAdapter {

String[] nameID;

String[] phoneID;

Context context;

public MyImageAdapter(Context context, String[] nameID,String[] phoneID) {

this.context=context;

this.nameID=nameID;

this.phoneID=phoneID;

}

@Override

public int getCount() {

// TODO Auto-generated method stub

return nameID.length;

}

@Override

public Object getItem(int position) {

// TODO Auto-generated method stub

return position;

}

@Override

public long getItemId(int position) {

// TODO Auto-generated method stub

return position;

}

@Override

public View getView(int position, View convertView, ViewGroup parent) {

LayoutInflater inflater=(LayoutInflater) context.getSystemService(context.LAYOUT_INFLATER_SERVICE);

View rowView=inflater.inflate(R.layout.image_view, parent,false);

TextView name=(TextView) rowView.findViewById(R.id.nameView);

TextView phone=(TextView) rowView.findViewById(R.id.phoneView);

ImageView iv=(ImageView) rowView.findViewById(R.id.imageView1);

name.setText(nameID[position]);

phone.setText(phoneID[position]);

String str1=nameID[position];

if(str1.startsWith("Kundan Kumar")){

iv.setImageResource(R.drawable.fb);

}

if(str1.startsWith("Sangam Kumar")){

iv.setImageResource(R.drawable.tw);

}

return rowView;

}

}

Email Example

First you need to add Email/Gmail Account...then choose your email client.... :)
activity_main.xml
--------------------
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/LinearLayout1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/background"
    android:orientation="vertical"
    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/textView4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/title_view"
        android:textStyle="italic"
        android:textAppearance="?android:attr/textAppearanceMedium" 
        android:layout_gravity="center_horizontal"
        android:textColor="#000099"/>

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="TO:"
        android:textSize="16dip"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:textColor="#000099" />

    <EditText
        android:id="@+id/editText1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10"
        android:hint="Friends email_id" >

        <requestFocus />
    </EditText>

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Subject:"
        android:textSize="16dip"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:textColor="#000099" />

    <EditText
        android:id="@+id/editText2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10"
        android:hint="Subject" />

    <TextView
        android:id="@+id/textView3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Message:"
        android:textSize="16dip"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:textColor="#000099" />

    <EditText
        android:id="@+id/editText3"
        android:layout_width="match_parent"
        android:layout_height="94dp"
        android:layout_weight="0.40"
        android:ems="10"
        android:gravity="top"
        android:hint="Write Your Message" />

    <Button
        android:id="@+id/button1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Send" 
        android:textColor="#000099" 
        />

</LinearLayout>

Mainactivity.java
-------------------
package com.kundan.email;

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;

public class MainActivity extends Activity {
Button send;
EditText ed1,ed2,ed3;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ed1=(EditText) findViewById(R.id.editText1);
ed2=(EditText) findViewById(R.id.editText2);
ed3=(EditText) findViewById(R.id.editText3);
send=(Button) findViewById(R.id.button1);
send.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
String to=ed1.getText().toString();
String subject=ed2.getText().toString();
String message=ed3.getText().toString();
Intent i=new Intent(Intent.ACTION_SEND);
i.putExtra(Intent.EXTRA_EMAIL, new String[]{to});
i.putExtra(Intent.EXTRA_SUBJECT, subject);
i.putExtra(Intent.EXTRA_TEXT, message);
i.setType("message/rfc822");
startActivity(Intent.createChooser(i, "Choose your email client!!"));

}
});
}

@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;
}

}

ViewPager_ImageGallery

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" >
     <android.support.v4.view.ViewPager
 android:id="@+id/view_pager"
 android:layout_width="match_parent"
 android:layout_height="match_parent" />

</RelativeLayout>

MainActivity.java

---------------------

package com.kundan.viewpager_imagegallery;

import android.os.Bundle;

import android.app.Activity;

import android.support.v4.view.ViewPager;

import android.view.Menu;

public class MainActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

   ViewPager viewPager = (ViewPager) findViewById(R.id.view_pager);

   ImageAdapter adapter = new ImageAdapter(this);

   viewPager.setAdapter(adapter);

}

@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;

}

}

 ImageAdapter.java

------------------------

package com.kundan.viewpager_imagegallery;

import android.content.Context;

import android.support.v4.view.PagerAdapter;

import android.support.v4.view.ViewPager;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ImageView;

public class ImageAdapter extends PagerAdapter {

Context context;

    private int[] GalImages = new int[] {

        R.drawable.one,

        R.drawable.two,

        R.drawable.three

    };

    ImageAdapter(Context context){

    this.context=context;

    }

    @Override

    public int getCount() {

      return GalImages.length;

    }

    @Override

    public boolean isViewFromObject(View view, Object object) {

      return view == ((ImageView) object);

    }

    @Override

    public Object instantiateItem(ViewGroup container, int position) {

      ImageView imageView = new ImageView(context);

     

      imageView.setPadding(5, 5, 5, 5);

      imageView.setScaleType(ImageView.ScaleType.CENTER_INSIDE);

      imageView.setImageResource(GalImages[position]);

      ((ViewPager) container).addView(imageView, 0);

      return imageView;

    }

    @Override

    public void destroyItem(ViewGroup container, int position, Object object) {

      ((ViewPager) container).removeView((ImageView) object);

    }

  }

Drawer

activity_main.xml
---------------------
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity" >

    <FrameLayout
        android:id="@+id/main"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >
    </FrameLayout>

    <ListView
        android:id="@+id/drawer"
        android:layout_width="240dp"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:background="#FFF"
        android:choiceMode="singleChoice"
        android:divider="#ffffff"
        android:dividerHeight="1dip"/>

</android.support.v4.widget.DrawerLayout>

red.xml
---------
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:background="#990000">  

</LinearLayout>

green.xml

-----------

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

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

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical" 

    android:background="#228B22">

    

</LinearLayout>

blue.xml

-----------

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

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

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical" 

    android:background="#000080">

    

</LinearLayout>

home.xml

-----------

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

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

    android:id="@+id/RelativeLayout1"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:background="#999999"

    android:orientation="vertical" >

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_centerHorizontal="true"

        android:layout_centerVertical="true"

        android:text="Switch to right for navigation"

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

    <TextView

        android:id="@+id/textView2"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_above="@+id/textView1"

        android:layout_centerHorizontal="true"

        android:layout_marginBottom="16dp"

        android:text="Home"

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

</RelativeLayout>

MainActivity.java

----------------------

package com.kundan.drawer_navigation;

import android.graphics.Color;

import android.os.Bundle;

import android.support.v4.app.Fragment;

import android.support.v4.app.FragmentActivity;

import android.support.v4.app.FragmentTransaction;

import android.support.v4.widget.DrawerLayout;

import android.view.Menu;

import android.view.View;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemClickListener;

import android.widget.ArrayAdapter;

import android.widget.ListView;

public class MainActivity extends FragmentActivity{

final String[] data ={"red","green","blue"};

final String[] fragments ={

"com.kundan.drawer_navigation.FragmentOne",

"com.kundan.drawer_navigation.FragmentTwo",

"com.kundan.drawer_navigation.FragmentThree",

"com.kundan.drawer_navigation.Home"

};

ListView lv;

DrawerLayout layout;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

lv=(ListView) findViewById(R.id.drawer);

layout=(DrawerLayout) findViewById(R.id.drawer_layout);

ArrayAdapter<String>adapter=new ArrayAdapter<String>(getActionBar().getThemedContext(), android.R.layout.simple_list_item_1,data);

lv.setAdapter(adapter);

lv.setBackgroundColor(Color.BLACK);

lv.setOnItemClickListener(new OnItemClickListener() {

@Override

public void onItemClick(AdapterView<?> adapter, View view, final int position,long id) {

layout.setDrawerListener(new DrawerLayout.SimpleDrawerListener() {

@Override

                     public void onDrawerClosed(View drawerView){

                             super.onDrawerClosed(drawerView);

                             FragmentTransaction tx = getSupportFragmentManager().beginTransaction();

                             tx.replace(R.id.main, Fragment.instantiate(MainActivity.this, fragments[position]));

                             tx.commit();

                     }

});

layout.closeDrawer(lv);

}

});

FragmentTransaction ft=getSupportFragmentManager().beginTransaction();

ft.replace(R.id.main, Fragment.instantiate(MainActivity.this,fragments[3] ));

ft.commit();

}

@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;

}

}

FragmentOne.java

------------------------

package com.kundan.drawer_navigation;

import android.content.Context;

import android.os.Bundle;

import android.support.v4.app.Fragment;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

public class FragmentOne extends Fragment {

public static Fragment newInstance(Context context) {

    FragmentOne f = new FragmentOne();

 

       return f;

   }

@Override

public View onCreateView(LayoutInflater inflater, ViewGroup container,

Bundle savedInstanceState) {

ViewGroup root=(ViewGroup) inflater.inflate(R.layout.red, container ,false);

return root;

}

}

FragmentTwo.java

----------------------

package com.kundan.drawer_navigation;

import android.content.Context;

import android.os.Bundle;

import android.support.v4.app.Fragment;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

public class FragmentTwo extends Fragment {

public static Fragment newInstance(Context context) {

    FragmentTwo f = new FragmentTwo();

 

       return f;

   }

@Override

public View onCreateView(LayoutInflater inflater, ViewGroup container,

Bundle savedInstanceState) {

ViewGroup root=(ViewGroup) inflater.inflate(R.layout.green, container ,false);

return root;

}

}

FragmentThree.java

------------------------

package com.kundan.drawer_navigation;

import android.content.Context;

import android.os.Bundle;

import android.support.v4.app.Fragment;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

public class FragmentThree extends Fragment {

public static Fragment newInstance(Context context) {

    FragmentThree f = new FragmentThree();

 

       return f;

   }

@Override

public View onCreateView(LayoutInflater inflater, ViewGroup container,

Bundle savedInstanceState) {

ViewGroup root=(ViewGroup) inflater.inflate(R.layout.blue, container ,false);

return root;

}

}

Home.java

------------

package com.kundan.drawer_navigation;

import android.content.Context;

import android.os.Bundle;

import android.support.v4.app.Fragment;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

public class Home extends Fragment {

public static Fragment newInstance(Context context) {

Home f = new Home();

 

       return f;

   }

@Override

public View onCreateView(LayoutInflater inflater, ViewGroup container,

Bundle savedInstanceState) {

ViewGroup root=(ViewGroup) inflater.inflate(R.layout.home, container ,false);

return root;

}

}