Extract  Youtube id from the url

public static String extractYTId(String ytUrl) {
    String vId = null;
    Pattern pattern = Pattern.compile(".*(?:youtu.be\\/|v\\/|u\\/\\w\\/|embed\\/|watch\\?v=)([^#\\&\\?]*).*");
    Matcher matcher = pattern.matcher(ytUrl);
    if (matcher.matches()){
        vId = matcher.group(1);
    }
    return vId;
}

The above code works for the following

http://www.youtube.com/watch?v=0zM4nApSvMg&feature=feedrec_grec_index
http://www.youtube.com/user/SomeUser#p/a/u/1/QDK8U-VIH_o
http://www.youtube.com/v/0zM4nApSvMg?fs=1&hl=en_US&rel=0
http://www.youtube.com/watch?v=0zM4nApSvMg#t=0m10s
http://www.youtube.com/embed/0zM4nApSvMg?rel=0
http://www.youtube.com/watch?v=0zM4nApSvMg
http://youtu.be/0zM4nApSvMg

Instagram like counter android

   

Instagram like counter for android

TextSwitcher.xml

<TextSwitcher

                    android:id="@+id/likecount"

                    android:layout_width="wrap_content"

                    android:layout_height="wrap_content"

                    android:layout_marginLeft="8dp"

                    android:layout_marginRight="8dp"

                    android:inAnimation="@anim/slide_in_counter"

                    android:outAnimation="@anim/slide_down_counter">

                    <TextView

                        android:layout_width="wrap_content"

                        android:layout_height="wrap_content"

                        android:text="123 likes"

                        android:textColor="@color/white" />

                    <TextView

                        android:layout_width="wrap_content"

                        android:layout_height="wrap_content"

                        android:textColor="@color/white" />

                </TextSwitcher>

sample.java

TextSwitcher likecount;

Button share;

likecount=(TextSwitcher) findViewById(R.id.likecount);

 share.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

k++;

likecount.setText(""+k);

}

}

});

To share image to facebook twitter

Android async process  for sharing a image thru share intent

To share image  to facebook twitter and other share intents we have to download the image as a temp file and use it
//Use the async task on click

shareAsynctask task = new shareAsynctask();

task.execute();

shareAsynctask 

ProgressDialog pd

@SuppressWarnings("unused")

private class shareAsynctask extends AsyncTask<String, Void, String> {

File file;

@Override

protected void onPreExecute() {

// TODO Auto-generated method stub

super.onPreExecute();

pd = new ProgressDialog(yourActivity.this);
pd.setMessage("loading");
pd.show();

}

@Override

protected String doInBackground(String... params) {

// TODO Auto-generated method stub

Bitmap bbicon = null;

String Url;

if (null != image_url) {

bbicon = getBitmapFromURL(image_url);

} else {

bbicon = getBitmapFromURL(image_url);

}

;// BitmapFactory.decodeResource(getResources(),R.drawable.bannerd10);

String extStorageDirectory = Environment

.getExternalStorageDirectory().toString();

OutputStream outStream = null;

file = new File(extStorageDirectory, "temp.png");

try {

outStream = new FileOutputStream(file, false);

bbicon.compress(Bitmap.CompressFormat.PNG, 100, outStream);

outStream.flush();

outStream.close();

} catch (Exception e) {

}

return "";

}

@Override

protected void onPostExecute(String result) {

// TODO Auto-generated method stub

super.onPostExecute(result);

Intent share = new Intent(Intent.ACTION_SEND);

share.setType("image/*");

share.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(file));

share.putExtra(Intent.EXTRA_SUBJECT, "subject");

share.putExtra(Intent.EXTRA_TEXT, "body");

startActivityForResult(Intent.createChooser(share, "Share Image"),

0);

pd.show();

}

}

// Get the bitmap from the below function

public static Bitmap getBitmapFromURL(String src) {

    try {

   

    StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();

StrictMode.setThreadPolicy(policy); 

System.out.println(Uri.encode(src,"UTF-8"));

        URL url = new URL(src.replaceAll(" ", "%20"));

        HttpURLConnection connection = (HttpURLConnection) url.openConnection();

        connection.setDoInput(true);

        connection.connect();

        InputStream input = connection.getInputStream();

        Bitmap myBitmap = BitmapFactory.decodeStream(input);

        //pDialog.dismiss();

        return myBitmap;

    } catch (IOException e) {

        e.printStackTrace();

        return null;

    }

   

}

Android : Locating the item at center position of the screen after selecting it -horizontalscrollview

Horizontal.xml

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

<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:orientation="vertical"

    tools:context=".MainActivity" >

  <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_above="@+id/bottom"

        android:orientation="vertical" >

       <HorizontalScrollView

                android:id="@+id/scrollView"

                android:layout_width="match_parent"

                android:layout_height="wrap_content"

                android:layout_below="@+id/updown"

                android:layout_weight="0.8"

                android:fadingEdgeLength="0dp" >

                <LinearLayout

                    android:id="@+id/horizontalbar"

                    android:layout_width="wrap_content"

                    android:layout_height="wrap_content"

                    android:background="@android:color/background_dark"

                    android:baselineAligned="true"

                    android:orientation="horizontal" >

                </LinearLayout>

       </HorizontalScrollView>

  </LinearLayout>

</RelativeLayout>

2.horizontal.java

package your packagename

import android.app.Activity;

import android.graphics.Point;

import android.os.Bundle;

import android.view.Display;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.HorizontalScrollView;

import android.widget.LinearLayout;

public class horizontal extends Activity

{

HorizontalScrollView hsl;

    @Override

    protected void onCreate(Bundle savedInstanceState) 

    {

      super.onCreate(savedInstanceState);

      setContentView(R.layout.horizontal);

      hsl = (HorizontalScrollView) findViewById(R.id.scrollView);

      LinearLayout l1 = (LinearLayout)findViewById(R.id.horizontalbar);

      Display display = getWindowManager().getDefaultDisplay();

      Point size = new Point();

      display.getSize(size);

      final int width = size.x;

        for(int i = 0; i < 20; i++)

        {

            final Button b = new Button(this);

            b.setText("t"+i);

            

            

            b.setOnClickListener(new OnClickListener() {

                @Override

                public void onClick(View v) {

                   int scrollX = (b.getLeft() - (width / 2)) + (b.getWidth() / 2);

                   hsl.smoothScrollTo(scrollX, 0);

                }

            });

            l1.addView(b);

            

            

            

        }

     }

}

Video for your splash activity

Here is the full code for running a video in your splash screen


1.create a folder called 'raw' in your folder 'res' and add your video to this folder


2.Just copy and paste the below code 

public class ActivitySplash extends Activity {

 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  try {
   splashPlayer();
  } catch (Exception ex) {
   jumpMain();
  }
 }

 @Override
 public boolean onTouchEvent(MotionEvent ev) {
  return false;
 }

 public void splashPlayer() {
  VideoView videoHolder = new VideoView(this);
  setContentView(videoHolder);
  Uri video = Uri.parse("android.resource://" + getPackageName() + "/"
    + R.raw.splash);
  videoHolder.setVideoURI(video);
  videoHolder.setOnCompletionListener(new OnCompletionListener() {
   public void onCompletion(MediaPlayer mp) {
    jumpMain();
   }

  });
  videoHolder.start();
  videoHolder.setOnTouchListener(new OnTouchListener() {

   @Override
   public boolean onTouch(View v, MotionEvent event) {
    ((VideoView) v).stopPlayback();
    jumpMain();
    return true;
   }
  });
 }

 private synchronized void jumpMain() {
  Intent intent = new Intent(ActivitySplash.this, ActivityMain.class);
  startActivity(intent);
  finish();
 }
}