root / src / com / rackspacecloud / android / AddServerActivity.java @ 038ac9a4
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/**
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*
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*/
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package com.rackspacecloud.android; |
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import java.util.Arrays; |
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import java.util.Iterator; |
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import android.app.Activity; |
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import android.app.AlertDialog; |
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import android.content.DialogInterface; |
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import android.os.AsyncTask; |
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import android.os.Bundle; |
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import android.view.View; |
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import android.view.View.OnClickListener; |
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import android.widget.AdapterView; |
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import android.widget.ArrayAdapter; |
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import android.widget.Button; |
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import android.widget.EditText; |
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import android.widget.ProgressBar; |
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import android.widget.SeekBar; |
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import android.widget.SeekBar.OnSeekBarChangeListener; |
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import android.widget.Spinner; |
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import android.widget.TextView; |
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import android.widget.AdapterView.OnItemSelectedListener; |
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import com.rackspace.cloud.servers.api.client.CloudServersException; |
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import com.rackspace.cloud.servers.api.client.Flavor; |
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import com.rackspace.cloud.servers.api.client.Image; |
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import com.rackspace.cloud.servers.api.client.Server; |
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import com.rackspace.cloud.servers.api.client.ServerManager; |
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/**
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* @author Mike Mayo - mike.mayo@rackspace.com - twitter.com/greenisus
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*
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*/
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public class AddServerActivity extends GaActivity implements |
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OnItemSelectedListener, OnClickListener { |
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private Image[] images; |
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private Flavor[] flavors; |
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private String selectedImageId; |
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private String selectedFlavorId; |
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private EditText serverName;
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private Spinner imageSpinner;
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private Spinner flavorSpinner;
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private Server server;
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private SeekBar numberBar;
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private TextView numberDisplay;
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/** Called when the activity is first created. */
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@Override
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public void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState);
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trackPageView(PAGE_ADD_SERVER); |
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setContentView(R.layout.createserver); |
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serverName = (EditText) findViewById(R.id.server_name); |
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((Button) findViewById(R.id.save_button)).setOnClickListener(this); |
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loadImageSpinner(); |
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loadFlavorSpinner(); |
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loadServerCount(); |
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} |
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private void loadServerCount() { |
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numberDisplay = (TextView) findViewById(R.id.server_count_text); |
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numberBar = (SeekBar) findViewById(R.id.number_of_servers); |
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numberBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
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@Override
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public void onStopTrackingTouch(SeekBar seekBar) { |
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// TODO Auto-generated method stub
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} |
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@Override
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public void onStartTrackingTouch(SeekBar seekBar) { |
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// TODO Auto-generated method stub
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} |
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@Override
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public void onProgressChanged(SeekBar seekBar, int progress, |
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boolean fromUser) {
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// TODO Auto-generated method stub
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numberDisplay.setText(getCountText(progress)); |
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TextView number = (TextView) findViewById(R.id.server_name_number); |
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if (progress == 0) { |
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number.setText("");
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} else {
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number.setText("[1.." + (progress + 1) + "]"); |
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} |
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} |
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private String getCountText(int i) { |
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if (i == 0) { |
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return "1 Server"; |
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} else {
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// count starts at 0
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return i + 1 + " Servers"; |
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} |
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} |
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}); |
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} |
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private void loadImageSpinner() { |
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imageSpinner = (Spinner) findViewById(R.id.image_spinner); |
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imageSpinner.setOnItemSelectedListener(this);
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String imageNames[] = new String[Image.getImages().size()]; |
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images = new Image[Image.getImages().size()]; |
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Iterator<Image> iter = Image.getImages().values().iterator(); |
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int i = 0; |
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while (iter.hasNext()) {
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Image image = iter.next();
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images[i] = image; |
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imageNames[i] = image.getName(); |
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i++; |
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} |
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// Sort so they display better in the spinner
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Arrays.sort(images);
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Arrays.sort(imageNames);
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selectedImageId = images[0].getId();
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ArrayAdapter<String> imageAdapter = new ArrayAdapter<String>(this, |
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android.R.layout.simple_spinner_item, imageNames); |
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imageAdapter |
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.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); |
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imageSpinner.setAdapter(imageAdapter); |
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} |
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private void loadFlavorSpinner() { |
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flavorSpinner = (Spinner) findViewById(R.id.flavor_spinner); |
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flavorSpinner.setOnItemSelectedListener(this);
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String flavorNames[] = new String[Flavor.getFlavors().size()]; |
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flavors = new Flavor[Flavor.getFlavors().size()];
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Iterator<Flavor> iter = Flavor.getFlavors().values().iterator();
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int i = 0; |
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while (iter.hasNext()) {
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Flavor flavor = iter.next(); |
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flavors[i] = flavor; |
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flavorNames[i] = flavor.getName() + ", " + flavor.getDisk()
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+ " GB disk";
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i++; |
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} |
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selectedFlavorId = flavors[0].getId();
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ArrayAdapter<String> flavorAdapter = new ArrayAdapter<String>(this, |
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android.R.layout.simple_spinner_item, flavorNames); |
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flavorAdapter |
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.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); |
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flavorSpinner.setAdapter(flavorAdapter); |
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} |
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public void onItemSelected(AdapterView<?> parent, View view, int position, |
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long id) {
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if (parent == imageSpinner) {
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selectedImageId = images[position].getId(); |
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} else if (parent == flavorSpinner) { |
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selectedFlavorId = flavors[position].getId(); |
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} |
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} |
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public void onNothingSelected(AdapterView<?> parent) { |
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} |
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public void onClick(View arg0) { |
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if ("".equals(serverName.getText().toString())) { |
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showAlert("Required Fields Missing", "Server name is required."); |
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} else {
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trackEvent(CATEGORY_SERVER, EVENT_CREATE, "",
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numberBar.getProgress() + 1);
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showActivityIndicators(); |
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server = new Server();
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server.setName(serverName.getText().toString()); |
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server.setImageId(selectedImageId); |
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server.setFlavorId(selectedFlavorId); |
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new SaveServerTask().execute((Void[]) null); |
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} |
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} |
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private void showAlert(String title, String message) { |
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AlertDialog alert = new AlertDialog.Builder(this).create(); |
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alert.setTitle(title); |
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alert.setMessage(message); |
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alert.setButton("OK", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int which) { |
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return;
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} |
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}); |
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alert.show(); |
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hideActivityIndicators(); |
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} |
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private void setActivityIndicatorsVisibility(int visibility) { |
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ProgressBar pb = (ProgressBar) findViewById(R.id.save_server_progress_bar); |
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TextView tv = (TextView) findViewById(R.id.saving_server_label); |
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pb.setVisibility(visibility); |
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tv.setVisibility(visibility); |
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} |
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private void showActivityIndicators() { |
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setActivityIndicatorsVisibility(View.VISIBLE);
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} |
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private void hideActivityIndicators() { |
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setActivityIndicatorsVisibility(View.INVISIBLE);
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} |
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private class SaveServerTask extends AsyncTask<Void, Void, Server> { |
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private CloudServersException exception;
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@Override
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protected Server doInBackground(Void... arg0) { |
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try {
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if (numberBar.getProgress() == 0) { |
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(new ServerManager()).create(server,
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getApplicationContext()); |
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} else {
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for (int i = 0; i < numberBar.getProgress() + 1; i++) { |
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server.setName(serverName.getText().toString() |
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+ Integer.toString(i + 1)); |
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(new ServerManager()).create(server,
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getApplicationContext()); |
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} |
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} |
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} catch (CloudServersException e) {
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exception = e; |
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} |
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return server;
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} |
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@Override
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protected void onPostExecute(Server result) { |
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if (exception != null) { |
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showAlert("Error", "There was a problem creating your server: " |
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+ exception.getMessage()); |
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} else {
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hideActivityIndicators(); |
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setResult(Activity.RESULT_OK); |
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finish(); |
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} |
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} |
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} |
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} |