import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends Activity
{
 // Make sure you are sign in skype application if you not then you need to sign in
 @Override
 protected void onCreate(Bundle savedInstanceState)
 {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);

  // Open skype button click event code here
  ((Button) findViewById(R.id.openskype)).setOnClickListener(new OnClickListener()
  {
   @Override
   public void onClick(View v)
   {
    String mySkypeUri = "skype:";
    SkypeUri(MainActivity.this, mySkypeUri);
   }
  });

  // skype message button click event code here
  ((Button) findViewById(R.id.skypemsg)).setOnClickListener(new OnClickListener()
  {
   @Override
   public void onClick(View v)
   {
    String skypeName = ((EditText) findViewById(R.id.edt_skypeusername)).getText().toString().trim();
    if(skypeName.length()<=0)
    {
     Toast.makeText(getApplicationContext(), "Please enter skype username to message", Toast.LENGTH_SHORT).show();
    }
    else
    {
     String mySkypeUri = "skype:"+skypeName+"?chat";
     SkypeUri(MainActivity.this, mySkypeUri);
    }
   }
  });

  // Skype Audio call button click event code here
  ((Button) findViewById(R.id.skypecall)).setOnClickListener(new OnClickListener()
  {
   @Override
   public void onClick(View v)
   {
    String skypeName = ((EditText) findViewById(R.id.edt_skypeusername)).getText().toString().trim();
    if(skypeName.length()<=0)
    {
     Toast.makeText(getApplicationContext(), "Please enter skype username to call", Toast.LENGTH_SHORT).show();
    }
    else {
     String mySkypeUri = "skype:"+skypeName+"?call";
     SkypeUri(MainActivity.this, mySkypeUri);
    }
   }
  });

  // Skype Video call button click event code here
  ((Button) findViewById(R.id.skypevideocall)).setOnClickListener(new OnClickListener()
  {
   @Override
   public void onClick(View v)
   {
    String skypeName = ((EditText) findViewById(R.id.edt_skypeusername)).getText().toString().trim();
    if(skypeName.length()<=0)
    {
     Toast.makeText(getApplicationContext(), "Please enter skype username to video call", Toast.LENGTH_SHORT).show();
    }
    else
    {
     String mySkypeUri = "skype:"+skypeName+"?call&video=true";
     SkypeUri(MainActivity.this, mySkypeUri);
    }
   }
  });
 }

 public void SkypeUri(Context myContext, String mySkypeUri) {

  // Make sure the Skype for Android client is installed.
  if (!isSkypeClientInstalled(myContext)) {
   goToMarket(myContext);
   return;
  }
  Uri skypeUri = Uri.parse(mySkypeUri);
  Intent myIntent = new Intent(Intent.ACTION_VIEW, skypeUri);
  myIntent.setComponent(new ComponentName("com.skype.raider", "com.skype.raider.Main"));
  myIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
  myContext.startActivity(myIntent);

  return;
 }

 /**
  * Determine whether the Skype for Android client is installed on this device.
  */
 public boolean isSkypeClientInstalled(Context myContext) {
  PackageManager myPackageMgr = myContext.getPackageManager();
  try {
   myPackageMgr.getPackageInfo("com.skype.raider", PackageManager.GET_ACTIVITIES);
  }
  catch (PackageManager.NameNotFoundException e) {
   return (false);
  }
  return (true);
 }

 /**
  * Install the Skype client through the market: URI scheme.
  */

 public void goToMarket(Context myContext) {
  Uri marketUri = Uri.parse("market://details?id=com.skype.raider");
  Intent myIntent = new Intent(Intent.ACTION_VIEW, marketUri);
  myIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
  myContext.startActivity(myIntent);
  return;
 }
}