root / src / com / rackspacecloud / android / CloudActivity.java @ 6ae5d8db
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package com.rackspacecloud.android; |
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import java.io.IOException; |
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import java.io.StringReader; |
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import javax.xml.parsers.FactoryConfigurationError; |
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import javax.xml.parsers.ParserConfigurationException; |
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import javax.xml.parsers.SAXParser; |
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import javax.xml.parsers.SAXParserFactory; |
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import org.apache.http.HttpResponse; |
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import org.apache.http.client.ClientProtocolException; |
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import org.apache.http.impl.client.BasicResponseHandler; |
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import org.xml.sax.InputSource; |
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import org.xml.sax.SAXException; |
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import org.xml.sax.XMLReader; |
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import com.rackspace.cloud.servers.api.client.CloudServersException; |
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import com.rackspace.cloud.servers.api.client.http.HttpBundle; |
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import com.rackspace.cloud.servers.api.client.parsers.CloudServersFaultXMLParser; |
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import android.app.Activity; |
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import android.app.AlertDialog; |
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import android.app.ProgressDialog; |
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import android.content.Context; |
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import android.content.DialogInterface; |
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import android.content.Intent; |
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import android.content.DialogInterface.OnCancelListener; |
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import android.os.Bundle; |
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import android.view.WindowManager; |
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import android.view.ViewGroup.LayoutParams; |
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import android.widget.ProgressBar; |
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import android.widget.Toast; |
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/*
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* CloudActivity manages the display and hiding of
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* pDialog.
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*
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* Also provides many accessory methods that are common
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* to Activities
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*/
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public abstract class CloudActivity extends Activity{ |
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protected Context context; |
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private boolean isLoading; |
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private ProgressDialog pDialog;
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@Override
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protected void onCreate(Bundle savedInstanceState){ |
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super.onCreate(savedInstanceState);
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//So keyboard doesn't open till user clicks
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this.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
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} |
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@Override
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protected void onSaveInstanceState(Bundle outState) { |
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super.onSaveInstanceState(outState);
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outState.putBoolean("isLoading", isLoading);
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if(pDialog != null && pDialog.isShowing()){ |
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hideDialog(); |
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} |
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} |
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protected void restoreState(Bundle state) { |
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context = getApplicationContext(); |
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/*
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* need to restore the pDialog is was shown before
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* a config change
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*/
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if (state != null && state.containsKey("isLoading")){ |
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isLoading = state.getBoolean("isLoading");
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if(isLoading){
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showDialog(); |
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} |
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} |
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} |
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protected final void showAlert(String title, String message) { |
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try {
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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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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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} |
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protected final void showError(String message, HttpBundle bundle){ |
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Intent viewIntent = new Intent(getApplicationContext(), ServerErrorActivity.class);
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viewIntent.putExtra("errorMessage", message);
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viewIntent.putExtra("response", bundle.getResponseText());
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viewIntent.putExtra("request", bundle.getCurlRequest());
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startActivity(viewIntent); |
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} |
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protected void showToast(String message) { |
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Context context = getApplicationContext();
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int duration = Toast.LENGTH_SHORT;
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Toast toast = Toast.makeText(context, message, duration); |
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toast.show(); |
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} |
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protected final CloudServersException parseCloudServersException(HttpResponse response) { |
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CloudServersException cse = new CloudServersException();
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try {
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BasicResponseHandler responseHandler = new BasicResponseHandler();
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String body = responseHandler.handleResponse(response);
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CloudServersFaultXMLParser parser = new CloudServersFaultXMLParser();
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SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); |
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XMLReader xmlReader = saxParser.getXMLReader(); |
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xmlReader.setContentHandler(parser); |
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xmlReader.parse(new InputSource(new StringReader(body))); |
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cse = parser.getException(); |
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} catch (ClientProtocolException e) {
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} catch (IOException e) { |
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} catch (ParserConfigurationException e) { |
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} catch (SAXException e) {
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} catch (FactoryConfigurationError e) { |
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} |
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return cse;
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} |
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protected final void hideDialog() { |
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if(pDialog != null){ |
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isLoading = false;
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pDialog.dismiss(); |
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} |
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} |
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protected final void showDialog() { |
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if(pDialog == null || !pDialog.isShowing()){ |
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isLoading = true;
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pDialog = new ProgressDialog(this, R.style.NewDialog); |
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/*
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* if back is pressed while dialog is showing it will
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* still finish the activity
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*/
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pDialog.setOnCancelListener(new OnCancelListener() {
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@Override
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public void onCancel(DialogInterface dialog) { |
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finish(); |
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} |
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}); |
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pDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND); |
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pDialog.show(); |
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pDialog.setContentView(new ProgressBar(this), new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); |
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} |
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} |
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protected Context getContext(){ |
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return context;
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} |
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} |