package com.your.package;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Settings.Secure;
import android.util.Log;
import android.widget.Toast;

import com.android.vending.licensing.AESObfuscator;
import com.android.vending.licensing.LicenseChecker;
import com.android.vending.licensing.LicenseCheckerCallback;
import com.android.vending.licensing.ServerManagedPolicy;


public class Splash extends Activity { 
	
	private LicenseChecker mChecker;
    private LicenseCheckerCallback mLicenseCheckerCallback;
    private static final String BASE64_PUBLIC_KEY = "Copy from developer account";
 // Generate 20 random bytes, and put them here.
    private static final byte[] SALT = new byte[] {
     -20, 30, 50, -70, 33, -100, 32, -90, -88, 104, 12,
     -10, 72, -34, 115, 21, 62, 35, -12, 97
     };
    private AESObfuscator mObsfuscator;
    private String android_id;

    /** Called when the activity is first created. */ 
    @Override 
    public void onCreate(Bundle icicle) { 
         super.onCreate(icicle); 
         setContentView(R.layout.splash);
         android_id = Secure.getString(this.getContentResolver(), Secure.ANDROID_ID);
         mObsfuscator = new AESObfuscator(SALT, getPackageName(), android_id);
         ServerManagedPolicy serverPolicy = new ServerManagedPolicy(this,mObsfuscator);

         mLicenseCheckerCallback = new MyLicenseCheckerCallback();
         mChecker = new LicenseChecker(
             this, serverPolicy,
             BASE64_PUBLIC_KEY  // Your public licensing key.
             );
         mChecker.checkAccess(mLicenseCheckerCallback);  
    }

private class MyLicenseCheckerCallback implements LicenseCheckerCallback {
        public void allow() {
            if (isFinishing()) {
                // Don't update UI if Activity is finishing.
                return;
            }
            // Should allow user access.
            Log.w("LicenseChecker", "Allow");
            Intent i = new Intent(Splash.this, Main.class);
			startActivity(i);
			finish();
        }

        public void dontAllow() {
            if (isFinishing()) {
                // Don't update UI if Activity is finishing.
                return;
            }
            Log.w("LicenseChecker", "Don't Allow");
            // Should not allow access. An app can handle as needed,
            // typically by informing the user that the app is not licensed
            // and then shutting down the app or limiting the user to a
            // restricted set of features.
            // In this example, we show a dialog that takes the user to Market.
            showDialog(0);
            
        }

		@Override
		public void applicationError(ApplicationErrorCode errorCode) {
			if (isFinishing()) {
				// Don't update UI if Activity is finishing.
				return;
			}
			toast("Error: " + errorCode.name());
			
		}
    }
	@Override
	protected Dialog onCreateDialog(int id) {
		// We have only one dialog.
		return new AlertDialog.Builder(this)
				.setTitle("Application Not Licensed")
				.setCancelable(false)
				.setMessage(
						"This application is not licensed. Please purchase it from Android Market")
				.setPositiveButton("Buy App",
						new DialogInterface.OnClickListener() {
							@Override
							public void onClick(DialogInterface dialog,
									int which) {
								Intent marketIntent = new Intent(
										Intent.ACTION_VIEW,
										Uri.parse("market://details?id=" + getPackageName()));
								startActivity(marketIntent);
								finish();
							}
						})
				.setNegativeButton("Exit",
						new DialogInterface.OnClickListener() {
							@Override
							public void onClick(DialogInterface dialog,
									int which) {
								finish();
							}
						}).create();
	}	
	
	public void toast(String string) {
		Toast.makeText(this, string, Toast.LENGTH_SHORT).show();
	}
	
	@Override
    protected void onDestroy() {
    super.onDestroy();
    mChecker.onDestroy();
  }
}