Android Tutorials

Thursday, July 26, 2012

Play song in Emulator

Project Name : Song

Package Name : selva.song

Version : 1.5 ( Supports 1.5 and above versions)

main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_marginLeft="31dp"
        android:layout_marginTop="50dp"
        android:text="Play" />

    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
       android:layout_alignParentLeft="true"
            android:layout_marginLeft="80dp"
        android:layout_marginTop="50dp"
        android:text="stop" />

</RelativeLayout>

SongActivity.class

package selva.song;

import java.io.IOException;
import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class SongActivity extends Activity
{
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Button play=(Button) findViewById(R.id.button1);
        Button stop=(Button) findViewById(R.id.button2);

final MediaPlayer mp=MediaPlayer.create(getApplicationContext(), R.raw.song);

// here i used song.mp3.. You can add audio file under res/raw/

// create raw folder under res folder then add song

        play.setOnClickListener(new View.OnClickListener()
        {

         @Override
         public void onClick(View v)
             {
                      // TODO Auto-generated method stub

             mp.stop();
                  try
                     {
                     mp.prepare();
                    }
                  catch (IllegalStateException e)
                     {
                       // TODO Auto-generated catch block
                       e.printStackTrace();
                     }
                  catch (IOException e)
                     {
                           // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
             mp.start();

         }
     });

     stop.setOnClickListener(new View.OnClickListener()
        {

         @Override
         public void onClick(View v)
         {
             // TODO Auto-generated method stub

             mp.stop();

         }
     });
    }
}

song.mp3

OUTPUT:

click play button. You will hear the song.

click stop button. song playing will be stopped.

Simple Seekbar In Android

click here to download source code

Project Name : seekbar

Package Name : selva.seekbar

Version : 1.5 ( Supports 1.5 and above versions)

main.xml

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

SeekbarActivity.class

package selva.seekbar;

import android.app.Activity;
import android.os.Bundle;
import android.widget.EditText;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;

public class SeekbarActivity extends Activity
{
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        SeekBar sb=(SeekBar) findViewById(R.id.seekBar1);
        final EditText et=(EditText) findViewById(R.id.editText1);

        sb.setOnSeekBarChangeListener(new OnSeekBarChangeListener()
        {
           @Override
           public void onStopTrackingTouch(SeekBar seekBar)
           {
           }
           @Override
           public void onStartTrackingTouch(SeekBar seekBar)
           {
           }
           @Override
           public void onProgressChanged(SeekBar seekBar, int progress,
           boolean fromUser)
           {
           //---change the font size of the EditText---

           et.setText(String.valueOf(progress));
           }
           });

    }
}

OUTPUT :

move seekbar

click here to download source code

Monday, July 23, 2012

Check URL is available or not

click here to download source code

package name : selva.ip

project Name    :   Ip

Version     : 1.5 ( Supports 1.5 and above versions)

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:orientation="vertical" >

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />

</LinearLayout>

IpActivity.java

package selva.ip;

import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

public class IpActivity extends Activity
{
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);


                 try
                   {

                         URL url = new URL("http://androidprogramz.in/" );
                      //URL url = new URL("http://www.nofoundwebsite.com/" );
                          executeReq(url);
                          Toast.makeText(getApplicationContext(), "Webpage is available!", Toast.LENGTH_SHORT).show();

                   }
                 catch(Exception e)
                    {
                          Toast.makeText(getApplicationContext(), "oops! webpage is not available!", Toast.LENGTH_SHORT).show();
                    }

    }

    private void executeReq(URL urlObject) throws IOException
    {
        HttpURLConnection conn = null;
        conn = (HttpURLConnection) urlObject.openConnection();
        conn.setReadTimeout(30000);//milliseconds
        conn.setConnectTimeout(3500);//milliseconds
        conn.setRequestMethod("GET");
        conn.setDoInput(true);

        // Start connect
        conn.connect();
        InputStream response =conn.getInputStream();
        Log.d("Response:", response.toString());
    }

}

Output :

change unavailable url in IpActivity.java

then run it.

click here to download source code

Sliding panel from bottom to top

click here to download source code

package name : selva.sliding

project name : Sliding3

version : 1.5 ( Supports 1.5 and above versions)

main.xml

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

<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:gravity="bottom"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<Button
        android:id="@+id/show1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="150dp"
        android:background="@drawable/collapse"/>

       <selva.sliding.Sliding
           android:id="@+id/sliding1"
           android:orientation="vertical"
           android:layout_marginLeft="120dp"
           android:layout_width="wrap_content"
            android:layout_height="wrap_content"

           android:gravity="left"
           android:padding="1px"
           android:background="#ffffff">
               <CheckBox android:id="@+id/check1"
                       android:layout_width="wrap_content"
                       android:textColor="#FFFFFF"
                       android:layout_height="wrap_content"
                       android:text="Option1" />
               <CheckBox android:id="@+id/check2"
                       android:layout_width="wrap_content"
                       android:textColor="#FFFFFF"
                       android:layout_height="wrap_content"
                       android:text="Option2" />
               <CheckBox android:id="@+id/check3"
                       android:textColor="#FFFFFF"
                       android:layout_width="wrap_content"
                       android:layout_height="wrap_content"
                       android:text="Option3" />
       </selva.sliding.Sliding>

</LinearLayout>

Sliding2Activity.java

package selva.sliding;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;

public class Sliding2Activity extends Activity
{
    CheckBox c1,c2,c3;
        int key=0;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        final Sliding popup = (Sliding) findViewById(R.id.sliding1);
        popup.setVisibility(View.GONE);

                final Button btn=(Button)findViewById(R.id.show1);
                btn.setOnClickListener(new View.OnClickListener() {

                        @Override
                        public void onClick(View arg0) {
                                if(key==0){
                                        key=1;
                                        popup.setVisibility(View.VISIBLE);
                                        btn.setBackgroundResource(R.drawable.collapse);
                                }
                                else if(key==1){
                                        key=0;
                                        popup.setVisibility(View.GONE);
                                        btn.setBackgroundResource(R.drawable.collapse);
                                }
                        }
                });

        }
    }

Sliding.java

package selva.sliding;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.Paint.Style;
import android.util.AttributeSet;
import android.widget.LinearLayout;
public class Sliding extends LinearLayout
{
private Paint innerPaint, borderPaint ;
public Sliding(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
public Sliding(Context context) {
super(context);
init();
}
private void init() {
innerPaint = new Paint();
innerPaint.setARGB(225, 75, 75, 75); //gray
innerPaint.setAntiAlias(true);
borderPaint = new Paint();
borderPaint.setARGB(255, 255, 255, 255);
borderPaint.setAntiAlias(true);
borderPaint.setStyle(Style.STROKE);
borderPaint.setStrokeWidth(2);
}
public void setInnerPaint(Paint innerPaint) {
this.innerPaint = innerPaint;
}
public void setBorderPaint(Paint borderPaint) {
this.borderPaint = borderPaint;
}
@Override
protected void dispatchDraw(Canvas canvas) {
RectF drawRect = new RectF();
drawRect.set(0,0, getMeasuredWidth(), getMeasuredHeight());
canvas.drawRoundRect(drawRect, 5, 5, innerPaint);
canvas.drawRoundRect(drawRect, 5, 5, borderPaint);
super.dispatchDraw(canvas);
}
}

Output :

click icon

click here to download source code

Sunday, July 22, 2012

Sliding Panel from right to left

click here to download source code

package Name : selva.sliding

project Name : Sliding3

Version : 1.5 ( Supports 1.5 and above versions)

main.xml

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

<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:gravity="right"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
    <Button
        android:id="@+id/show1"
        android:layout_width="wrap_content"
        android:layout_marginTop="250dp"
        android:layout_height="wrap_content"
        android:background="@drawable/prev_item" />

        <selva.sliding.Sliding
            android:id="@+id/sliding1"
            android:orientation="vertical"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="200dp"
            android:gravity="left"
            android:padding="1px"
            android:background="#ffffff">
                <CheckBox android:id="@+id/check1"
                        android:layout_width="wrap_content"
                        android:textColor="#FFFFFF"
                        android:layout_height="wrap_content"
                        android:text="Option1" />
                <CheckBox android:id="@+id/check2"
                        android:layout_width="wrap_content"
                        android:textColor="#FFFFFF"
                        android:layout_height="wrap_content"
                        android:text="Option2" />
                <CheckBox android:id="@+id/check3"
                        android:textColor="#FFFFFF"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="Option3" />
        </selva.sliding.Sliding>

</LinearLayout>

Sliding2Activity.java

package selva.sliding;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;

public class Sliding2Activity extends Activity
{
    CheckBox c1,c2,c3;
        int key=0;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        final Sliding popup = (Sliding) findViewById(R.id.sliding1);
        popup.setVisibility(View.GONE);

                final Button btn=(Button)findViewById(R.id.show1);
                btn.setOnClickListener(new View.OnClickListener() {

                        @Override
                        public void onClick(View arg0) {
                                if(key==0){
                                        key=1;
                                        popup.setVisibility(View.VISIBLE);
                                        btn.setBackgroundResource(R.drawable.prev_item);
                                }
                                else if(key==1){
                                        key=0;
                                        popup.setVisibility(View.GONE);
                                        btn.setBackgroundResource(R.drawable.prev_item);
                                }
                        }
                });

        }
    }

Sliding.java

Output:

click icon

click here to download source code

Sliding Panel From Top to Bottom

Click Here To Download Source Code

Package Name   :    selva.sliding

Project Name :    Sliding2

Version    :    1.5 ( Supports 1.5 and above versions)

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:gravity="center_horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
        <selva.sliding.Sliding
            android:id="@+id/sliding1"
            android:orientation="vertical"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="left"
            android:padding="1px"
            android:background="#ffffff">
                <CheckBox android:id="@+id/check1"
                        android:layout_width="wrap_content"
                        android:textColor="#FFFFFF"
                        android:layout_height="wrap_content"
                        android:text="Option1" />
                <CheckBox android:id="@+id/check2"
                        android:layout_width="wrap_content"
                        android:textColor="#FFFFFF"
                        android:layout_height="wrap_content"
                        android:text="Option2" />
                <CheckBox android:id="@+id/check3"
                        android:textColor="#FFFFFF"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="Option3" />
        </selva.sliding.Sliding>

    <Button android:id="@+id/show1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="@drawable/expand"/>
</LinearLayout>

Sliding2Activity.java

package selva.sliding;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;

public class Sliding2Activity extends Activity
{
    CheckBox c1,c2,c3;
        int key=0;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        final Sliding popup = (Sliding) findViewById(R.id.sliding1);
        popup.setVisibility(View.GONE);

                final Button btn=(Button)findViewById(R.id.show1);
                btn.setOnClickListener(new View.OnClickListener() {

                        @Override
                        public void onClick(View arg0) {
                                if(key==0){
                                        key=1;
                                        popup.setVisibility(View.VISIBLE);
                                        btn.setBackgroundResource(R.drawable.expand);
                                }
                                else if(key==1){
                                        key=0;
                                        popup.setVisibility(View.GONE);
                                        btn.setBackgroundResource(R.drawable.expand);
                                }
                        }
                });

        }
    }

Sliding.java

Output :

click expand icon

Click Here To Download Source Code

Sliding Panel from Left To Right

Click Here to download Source Code

Package Name : selva.sliding

Project Name : Sliding1

Version : 1.5 ( Supports 1.5 and above versions)

main.xml

       <selva.sliding.Sliding
           android:id="@+id/sliding1"
           android:orientation="vertical"
           android:layout_width="wrap_content"
            android:layout_height="wrap_content"
           android:gravity="left"
           android:padding="1px"
           android:background="#ffffff">
               <CheckBox android:id="@+id/check1"
                       android:layout_width="wrap_content"
                       android:textColor="#FFFFFF"
                       android:layout_height="wrap_content"
                       android:text="Option1" />
               <CheckBox android:id="@+id/check2"
                       android:layout_width="wrap_content"
                       android:textColor="#FFFFFF"
                       android:layout_height="wrap_content"
                       android:text="Option2" />
               <CheckBox android:id="@+id/check3"
                       android:textColor="#FFFFFF"
                       android:layout_width="wrap_content"
                       android:layout_height="wrap_content"
                       android:text="Option3" />
       </selva.sliding.Sliding>

    <Button android:id="@+id/show1"
           android:layout_width="wrap_content"
           android:layout_height="wrap_content"
           android:background="@drawable/next_item"/>
</LinearLayout>

Sliding1Activity.java

package selva.sliding;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;

public class Sliding1Activity extends Activity
{
    CheckBox c1,c2,c3;
        int key=0;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        final Sliding popup = (Sliding) findViewById(R.id.sliding1);
        popup.setVisibility(View.GONE);

                final Button btn=(Button)findViewById(R.id.show1);
                btn.setOnClickListener(new View.OnClickListener() {

                        @Override
                        public void onClick(View arg0) {
                                if(key==0){
                                        key=1;
                                        popup.setVisibility(View.VISIBLE);
                                        btn.setBackgroundResource(R.drawable.next_item);
                                }
                                else if(key==1){
                                        key=0;
                                        popup.setVisibility(View.GONE);
                                        btn.setBackgroundResource(R.drawable.next_item);
                                }
                        }
                });

        }
    }

Sliding.java

Output :

click next icon

Click Here to download Source Code

Android Tutorials

Thursday, July 26, 2012

Play song in Emulator

Simple Seekbar In Android

Monday, July 23, 2012

Check URL is available or not

Sliding panel from bottom to top

Sunday, July 22, 2012

Sliding Panel from right to left

Sliding Panel From Top to Bottom

Sliding Panel from Left To Right

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