Android Open Source - Android-Shapeways Shapeways Activity

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License

The source code is released under:
Apache License
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Java Source Code

/*
 * Copyright (C) 2013 ENTERTAILION LLC/* ww  w  . j  av a 2  s  .c  o m*/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.entertailion.android.shapeways;

import java.util.Map;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
import android.webkit.CookieManager;
import android.webkit.CookieSyncManager;
import android.webkit.WebView;
import android.webkit.WebViewClient;

import com.entertailion.android.shapeways.api.ShapewaysClient;

/**
 * Activity for user authorization using web-based login
 * 
 * @author leon_nicholls
 * 
 */
public class ShapewaysActivity extends Activity {
  private static final String LOG_TAG = "ShapewaysActivity";

  private static final String CALLBACK_URL = "shapeways-api://callback";

  private WebView webView;
  private SharedPreferences preferences;
  protected ProgressDialog dialog;

  private String oauthToken;
  private String oauthTokenSecret;
  private String oauthVerifier;

  @SuppressLint("SetJavaScriptEnabled")
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.shapeways);
    preferences = PreferenceManager.getDefaultSharedPreferences(this);

    webView = (WebView) findViewById(R.id.shapeways_webview);
    webView.getSettings().setJavaScriptEnabled(true);
    webView.getSettings().setSupportZoom(true);
    webView.getSettings().setBuiltInZoomControls(true);
    webView.clearView();

    CookieSyncManager.createInstance(this);
    CookieManager cookieManager = CookieManager.getInstance();
    cookieManager.removeAllCookie();

    webView.setWebViewClient(new WebViewClient() {

      @Override
      public boolean shouldOverrideUrlLoading(WebView view, String url) {
        Log.d(LOG_TAG, "shouldOverrideUrlLoading: url=" + url);
        try {
          Uri uri = Uri.parse(url);
          oauthVerifier = uri.getQueryParameter(ShapewaysClient.OAUTH_VERIFIER);
          if (null != oauthVerifier) {
            oauthToken = uri.getQueryParameter(ShapewaysClient.OAUTH_TOKEN);
            new Thread(new Runnable() {
              public void run() {
                getAccessToken();
                finish();
              }
            }).start();
            return true;
          }
        } catch (Exception e) {
          Log.e(LOG_TAG, "shouldOverrideUrlLoading", e);
        }
        return super.shouldOverrideUrlLoading(view, url);
      }

      @Override
      public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
        Log.d(LOG_TAG, "onReceivedError");
        super.onReceivedError(view, errorCode, description, failingUrl);
        try {
          AlertDialog alertDialog = new AlertDialog.Builder(ShapewaysActivity.this).create();
          alertDialog.setTitle(ShapewaysActivity.this.getString(R.string.shapeways_web_error_title));
          alertDialog.setMessage(ShapewaysActivity.this.getString(R.string.shapeways_web_error, description));
          alertDialog.setButton(Dialog.BUTTON_POSITIVE, ShapewaysActivity.this.getString(R.string.shapeways_dialog_reload),
              new DialogInterface.OnClickListener() {

                @Override
                public void onClick(DialogInterface dialog, int which) {
                  webView.reload();
                }
              });
          alertDialog.setButton(Dialog.BUTTON_NEGATIVE, ShapewaysActivity.this.getString(R.string.shapeways_dialog_exit),
              new DialogInterface.OnClickListener() {

                @Override
                public void onClick(DialogInterface dialog, int which) {
                  finish();
                }
              });
          alertDialog.show();
        } catch (Exception e) {
          Log.e(LOG_TAG, "onReceivedError", e);
        }
      }

      @Override
      public void onPageFinished(WebView view, String url) {
        Log.d(LOG_TAG, "onPageFinished");
        try {
          if (null != dialog) {
            dialog.cancel();
            dialog = null;
          }
        } catch (Throwable e) {
          Log.e(LOG_TAG, "onPageFinished", e);
        }
        super.onPageFinished(view, url);
      }

    });

  }

  @Override
  protected void onResume() {
    Log.d(LOG_TAG, "onResume");
    super.onResume();

    if (null == dialog)
      dialog = ProgressDialog.show(ShapewaysActivity.this, "", ShapewaysActivity.this.getString(R.string.shapeways_loading), true);
    new ShapewaysAsyncTask().execute();
  }

  private void getAccessToken() {
    Log.d(LOG_TAG, "getAccessToken");
    try {
      Map<String, String> accessTokenData = ((ShapewaysApplication) getApplicationContext()).getShapewaysClient().getAccessToken(oauthToken,
          oauthTokenSecret, oauthVerifier);
      Log.d(LOG_TAG, "Access Token Data=" + accessTokenData);

      oauthTokenSecret = accessTokenData.get(ShapewaysClient.OAUTH_TOKEN_SECRET);
      oauthToken = accessTokenData.get(ShapewaysClient.OAUTH_TOKEN);

      final Editor edit = preferences.edit();
      edit.putString(ShapewaysClient.OAUTH_TOKEN, oauthToken);
      edit.putString(ShapewaysClient.OAUTH_TOKEN_SECRET, oauthTokenSecret);
      edit.commit();
      Log.i(LOG_TAG, "Access Token Retrieved");

      ((ShapewaysApplication) getApplicationContext()).getShapewaysClient().setOauthToken(oauthToken, oauthTokenSecret);
    } catch (Exception e) {
      Log.e(LOG_TAG, "getAccessToken", e);
    }
  }

  private class ShapewaysAsyncTask extends AsyncTask<Void, Void, String> {

    @Override
    protected String doInBackground(Void... params) {
      Log.d(LOG_TAG, "doInBackground");
      try {
        return getAuthenticationUrl();
      } catch (Exception e) {
        Log.e(LOG_TAG, "doInBackground", e);
      }
      return null;
    }

    @Override
    protected void onPostExecute(String url) {
      Log.d(LOG_TAG, "onPostExecute: url=" + url);
      try {
        if (null != url) {
          webView.loadUrl(url);
        }
      } catch (Exception e) {
        Log.e(LOG_TAG, "onPostExecute: " + url, e);
      }
    }
  }

  private String getAuthenticationUrl() throws Exception {
    Log.d(LOG_TAG, "getAuthenticationUrl");
    Map<String, String> requestTokenData = ((ShapewaysApplication) getApplicationContext()).getShapewaysClient().getRequestToken(CALLBACK_URL);
    Log.d(LOG_TAG, "Request Token Data=" + requestTokenData);

    oauthTokenSecret = requestTokenData.get(ShapewaysClient.OAUTH_TOKEN_SECRET);

    return requestTokenData.get(ShapewaysClient.AUTHENTICATION_URL);
  }
}
Java Source Code List
