Android Open Source - mobcomp-httpclient Flickr Auth Activity

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License

The source code is released under:

Written by: Markus Tacker <m@coderbyheart.de> | http://coderbyheart.de/ Copyright (c) Markus Tacker Permission is hereby granted, free of charge, to any person obtaining a copy of this software and ...

Java Source Code

package de.hsrm.mi.mobcomp.httpclientdemo;
//ww w  .  j a  v  a  2  s .co m
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;

import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
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 de.hsrm.mi.mobcomp.httpclientdemo.flickr.AuthReader;
import de.hsrm.mi.mobcomp.httpclientdemo.flickr.RestAPI;

/**
 * Autorisiert diese App bei flickr
 * 
 * @see http://www.flickr.com/services/api/
 * 
 * @author Markus Tacker <m@coderbyheart.de>
 */
public class FlickrAuthActivity extends MenuActivity {

  private String flickrAPIKey;
  private RestAPI flickrAPI;
  private String flickrAPISecret;
  private String keyFlickrAPIAuthToken;
  private Handler handler = new Handler();
  private EditText token1;
  private EditText token2;
  private EditText token3;
  private Button doneButton;
  private String miniToken;
  private SharedPreferences prefs;
  private String flickrAPIAuthToken;
  private Button loginButton;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    prefs = PrefsActivity.getPreferences(this);
    String keyFlickrAPIKey = getResources().getString(R.string.key_api_key);
    String keyFlickrAPISecret = getResources().getString(
        R.string.key_api_secret);
    keyFlickrAPIAuthToken = getResources().getString(
        R.string.key_api_auth_token);
    flickrAPIKey = prefs.getString(keyFlickrAPIKey, null);
    flickrAPISecret = prefs.getString(keyFlickrAPISecret, null);
    flickrAPIAuthToken = prefs.getString(keyFlickrAPIAuthToken, null);

    // Keine Einstellung vorhanden? Dann Konfigurieren.
    if (flickrAPIKey == null || flickrAPIKey.length() <= 0
        || flickrAPISecret == null || flickrAPISecret.length() <= 0) {
      startActivity(new Intent(getApplicationContext(),
          PrefsActivity.class));
      Toast.makeText(getApplicationContext(),
          R.string.please_configure_api_key, Toast.LENGTH_LONG)
          .show();
      finish();
      return;
    }

    if (flickrAPIAuthToken != null && flickrAPIAuthToken.length() > 0) {
      startActivity(new Intent(getApplicationContext(),
          SendActivity.class));
      finish();
      return;
    }

    setContentView(R.layout.auth);

    loginButton = (Button) findViewById(R.id.loginButton);
    doneButton = (Button) findViewById(R.id.doneButton);
    token1 = (EditText) findViewById(R.id.token1);
    token2 = (EditText) findViewById(R.id.token2);
    token3 = (EditText) findViewById(R.id.token3);

    flickrAPI = new RestAPI(flickrAPIKey, flickrAPISecret);

    loginButton.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View arg0) {
        // getFrob();
        token1.setEnabled(true);
        token2.setEnabled(true);
        token3.setEnabled(true);
        findViewById(R.id.enterTokenLayout).setVisibility(View.VISIBLE);
        doneButton.setVisibility(View.VISIBLE);
        startActivity(new Intent(Intent.ACTION_VIEW, Uri
            .parse("http://www.flickr.com/auth-72157628220111349")));

      }
    });

    doneButton.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) {
        miniToken = token1.getText().toString() + "-"
            + token2.getText().toString() + "-"
            + token3.getText().toString();
        getFullToken();
      }
    });
  }

  private void getFullToken() {
    new Thread(new Runnable() {
      @Override
      public void run() {
        HttpClient client = new DefaultHttpClient();
        HttpGet request = new HttpGet(flickrAPI.getFullTokenUri(
            miniToken).toString());
        try {
          HttpResponse response = client.execute(request);

          StatusLine status = response.getStatusLine();
          if (status.getStatusCode() != 200) {
            throw new IOException("Invalid response from server: "
                + status.toString());
          }

          HttpEntity entity = response.getEntity();
          InputStream inputStream = entity.getContent();
          ByteArrayOutputStream content = new ByteArrayOutputStream();
          int readBytes = 0;
          byte[] sBuffer = new byte[512];
          while ((readBytes = inputStream.read(sBuffer)) != -1) {
            content.write(sBuffer, 0, readBytes);
          }
          String dataAsString = new String(content.toByteArray());
          Log.v(getClass().getCanonicalName(), dataAsString);
          AuthReader ftr = new AuthReader();
          flickrAPIAuthToken = ftr.getAuth(dataAsString).token;
          prefs.edit()
              .putString(keyFlickrAPIAuthToken,
                  flickrAPIAuthToken).commit();
          handler.post(new Runnable() {
            @Override
            public void run() {
              Toast.makeText(FlickrAuthActivity.this,
                  R.string.auth_token_saved,
                  Toast.LENGTH_LONG).show();
            }
          });
        } catch (IOException e) {
          Log.e(getClass().getCanonicalName(), e.toString());
          Log.e(getClass().getCanonicalName(), e.getMessage());
        }
      }

    }).start();
  }
}

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