Android Open Source - Twitter-News Read News Activity

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Back to project page Twitter-News.
License

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

package com.kaplandroid.twitternews.ui.reader;
/*w  w  w  . j av  a  2 s .c om*/
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;
import android.widget.Toast;

import com.kaplandroid.twitternews.AppData;
import com.kaplandroid.twitternews.R;
import com.kaplandroid.twitternews.db.MobilikeDBHelper;
import com.kaplandroid.twitternews.ui.search.SearchKeywordActivity;
import com.kaplandroid.twitternews.ui.statistics.StatisticMainActivity;

/**
 * 
 * News Read Activity. Reads web url using lastNewsID stored in singleton
 * 
 * 
 * @author KAPLANDROID
 * 
 */
public class ReadNewsActivity extends Activity implements OnClickListener {

  WebView wvNewsRead;

  Button btnNewsReadCool;
  Button btnNewsReadBoring;

  MobilikeDBHelper dbHelper;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_news_read);

    wvNewsRead = (WebView) findViewById(R.id.wvNewsRead);
    btnNewsReadCool = (Button) findViewById(R.id.btnNewsReadCool);
    btnNewsReadBoring = (Button) findViewById(R.id.btnNewsReadBoring);

    btnNewsReadCool.setOnClickListener(this);
    btnNewsReadBoring.setOnClickListener(this);

    dbHelper = new MobilikeDBHelper(ReadNewsActivity.this);

    AppData.getInstance().increaseNewsIDBy1();
    loadNewPage();

  }

  private void loadNewPage() {
    WebSettings webSettings = wvNewsRead.getSettings();
    webSettings.setBuiltInZoomControls(true);

    wvNewsRead.setWebViewClient(new Callback());

    String currentURL = dbHelper.getWeblinkBydbIDIfAvaible(AppData.getInstance().getLastNewsID());

    // if empty string found, that means we read all of news.
    if (currentURL.length() != 0) {

      wvNewsRead.loadUrl(currentURL);

      Toast.makeText(ReadNewsActivity.this, "Tweet ID: " + AppData.getInstance().getLastNewsID(),
          Toast.LENGTH_SHORT).show();
    } else {

      // TO.DO Open 2.1 Screen

      startActivity(new Intent(ReadNewsActivity.this, EndOfNewsActivity.class));
      finish();

    }
  }

  private class Callback extends WebViewClient {

    @Override
    public boolean shouldOverrideUrlLoading(WebView view, String url) {
      return (false);
    }

  }

  @Override
  public void onClick(View v) {

    if (v == btnNewsReadBoring) {
      setFeedback(AppData.FEEDBACK_BORING);
    } else if (v == btnNewsReadCool) {
      setFeedback(AppData.FEEDBACK_COOL);
    }

  }

  private void setFeedback(int id) {
    dbHelper.insertFeedbackToTweet(AppData.getInstance().getLastNewsID(), id);

    AppData.getInstance().increaseNewsIDBy1();
    loadNewPage();
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {

    if (item.getItemId() == R.id.action_chart) {

      startActivity(new Intent(this, StatisticMainActivity.class));
    } else if (item.getItemId() == R.id.action_pen) {
      Intent i = new Intent(this, SearchKeywordActivity.class);
      i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
      startActivity(i);
    }
    return super.onOptionsItemSelected(item);

  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu items for use in the action bar
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.chart_pen_menu, menu);
    return super.onCreateOptionsMenu(menu);
  }
}
Java Source Code List
