Android Open Source - MotorIndia Displayarticle

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License

The source code is released under:

GNU General Public License

Java Source Code

package spider.motorindia;
/*  w w w.  ja  v a 2  s. co  m*/
import org.json.JSONException;
import org.json.JSONObject;

import com.squareup.picasso.Picasso;

import spider.motorindia.Retrivearticle.MyCallbackInterface;
import android.app.ActionBar;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.text.method.ScrollingMovementMethod;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.webkit.WebView;
import android.widget.ImageView;
import android.widget.TextView;

public class Displayarticle extends Activity implements MyCallbackInterface {
  
  String title = "";
  String body = "";
  WebView load;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_displayarticle);
  
    // To get the icon on the back button in the top left corner
    ActionBar actionBar = getActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);
    
    
    
    // handle the incoming INTENT
    Intent intent = getIntent();
    int message = intent.getIntExtra(Home.EXTRA_MESSAGE,26479);
    String url = intent.getStringExtra(Home.EXTRA_URL);
    
    // We already have the title corresponding to the article in the ListView, use that and set the actionBar title
    title = intent.getStringExtra(Home.EXTRA_TITLE);
    actionBar.setTitle(title);
    
    ImageView imageView = (ImageView) findViewById(R.id.imageView1);
    
    // This starts the asynchronous call for the image - TODO I already have the image (used it for the ListView I need to resuse! )
    Picasso.with(this).load(url).placeholder(R.drawable.white).error(R.drawable.error).resize(320,200).into(imageView);
    new Retrivearticle(this).execute("http://www.motorindiaonline.in/mobapp/?a_id="+Integer.toString(message));
    
    // This sets the Title of the article just after the Image.
    // the actual content is set after the callback is done. for reasons given there.
    //TextView t = (TextView)findViewById(R.id.textView1);
    //t.setText(title);
    // the following just sets the article body with the empty string
    TextView b = (TextView)findViewById(R.id.textView2);
    b.setText(body);
    b.setMovementMethod(new ScrollingMovementMethod());
    
    // to start the loading animation
    load = (WebView)findViewById(R.id.webView1);
    load.loadUrl("file:///android_asset/spiffygif.gif");
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.displayarticle, menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();

    switch(id){
    case R.id.action_settings:
      return true;
    case android.R.id.home:
      //made it such that we go the the category we were browsing before we opened the article
      onBackPressed();
      return true;
    }
    if (id == R.id.action_settings) {
      return true;
    }
    return super.onOptionsItemSelected(item);
  }

  @Override
  public void onRequestCompleted(JSONObject result) {
    // stop loading GIF
    load.setVisibility(View.GONE);
    
    // SO here we get the JSON object = result
    try {
      // change the uncoded text the server sends to UTF-8 such that android recognizes it.
      // DUE to the server sending a empty string 
      //we comment this out
      //title = org.apache.commons.lang3.StringEscapeUtils.unescapeJava(result.getString("title"));
      body = org.apache.commons.lang3.StringEscapeUtils.unescapeJava(result.getString("content"));
    } catch (JSONException e) {
      // Auto-generated catch block
      e.printStackTrace();
    }

    // I set the title here even when I have the title during OnCreate as it looks better if both title and body were set at the same time
    // And the loading animation being superimposed on the title doesn't look good
    TextView t = (TextView)findViewById(R.id.textView1);
    t.setText(title);
    TextView b = (TextView)findViewById(R.id.textView2);
    b.setText(body);
  }
}

Java Source Code List

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