AddQuoteActivity.java

package com.mindstorm.famousquotesandroid;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.google.api.client.extensions.android.http.AndroidHttp;
import com.google.api.client.json.gson.GsonFactory;
import com.mindstorm.famousquotes.entity.quoteendpoint.Quoteendpoint;
import com.mindstorm.famousquotes.entity.quoteendpoint.model.Quote;

public class AddQuoteActivity extends Activity {
        
        EditText editAuthorName;
        EditText editMessage;
        
        @Override
        protected void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.activity_addquote);
                
                editAuthorName = (EditText)findViewById(R.id.editAuthorName);
                editMessage = (EditText)findViewById(R.id.editMessage);
                
                //Event Listener for About App button
                Button btnAddQuote = (Button)findViewById(R.id.btnAddQuote);
                btnAddQuote.setOnClickListener(new OnClickListener() {
                        
                        @Override
                        public void onClick(View v) {
                                
                                //Check if values are provided
                                String txtAuthorName = editAuthorName.getText().toString().trim();
                                String txtMessage = editMessage.getText().toString().trim();
                                
                                if ((txtAuthorName.length() == 0) || (txtMessage.length() == 0)) {
                                        Toast.makeText(AddQuoteActivity.this, "You need to provide values for Author and Message", Toast.LENGTH_SHORT).show();
                                        return;
                                }
                                
                                //Go ahead and perform the transaction
                                String[] params = {txtAuthorName,txtMessage};
                                new AddQuoteAsyncTask(AddQuoteActivity.this).execute(params);
                                
                        }
                });
                
        }
        
        private class AddQuoteAsyncTask extends AsyncTask<String, Void, Quote>{
                  Context context;
                  private ProgressDialog pd;

                  public AddQuoteAsyncTask(Context context) {
                    this.context = context;
                  }
                  
                  protected void onPreExecute(){ 
                     super.onPreExecute();
                          pd = new ProgressDialog(context);
                          pd.setMessage("Adding the Quote...");
                          pd.show();    
                  }

                  protected Quote doInBackground(String... params) {
                          Quote response = null;
                    try {
                            Quoteendpoint.Builder builder = new Quoteendpoint.Builder(AndroidHttp.newCompatibleTransport(), new GsonFactory(), null);
                                Quoteendpoint service =  builder.build();
                                Quote quote = new Quote();
                                quote.setAuthor(params[0]);
                                quote.setMessage(params[1]);
                                response = service.insertQuote(quote).execute();
                    } catch (Exception e) {
                      Log.d("Could not Add Quote", e.getMessage(), e);
                    }
                    return response;
                  }

                  protected void onPostExecute(Quote quote) {
                          //Clear the progress dialog and the fields
                          pd.dismiss();
                          editMessage.setText("");
                          editAuthorName.setText("");
                          
                          //Display success message to user
                          Toast.makeText(getBaseContext(), "Quote added succesfully", Toast.LENGTH_SHORT).show();
                  }
                }


}