Android Open Source - Android-Parsing-YQL-using-JSON-Tutorial Single Item View

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License

The source code is released under:

Apache License

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Java Source Code

package com.example.yqltutorial;
//from www.  j a v a2s .  c  o m
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.widget.ImageView;
import android.widget.TextView;

public class SingleItemView extends Activity {
  // Declare Variables
  String tweets;
  String pimage;
  ProgressDialog mProgressDialog;
  Bitmap bmImg = null;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // Get the view from singleitemview.xml
    setContentView(R.layout.singleitemview);
    // Execute loadSingleView AsyncTask
    new loadSingleView().execute();
  }

  public class loadSingleView extends AsyncTask<String, String, String> {

    @Override
    protected void onPreExecute() {
      super.onPreExecute();
      // Create a progressdialog
      mProgressDialog = new ProgressDialog(SingleItemView.this);
      // Set progressdialog title
      mProgressDialog.setTitle("Android Parsing YQL in JSON Tutorial");
      // Set progressdialog message
      mProgressDialog.setMessage("Loading...");
      mProgressDialog.setIndeterminate(false);
      // Show progressdialog
      mProgressDialog.show();

    }

    @Override
    protected String doInBackground(String... args) {
      try {
        // Retrieve data from ListViewAdapter on click event
        Intent i = getIntent();
        // Get the result of tweets
        tweets = i.getStringExtra("tweets");
        // Get the result of pimage
        pimage = i.getStringExtra("pimage");

        // Download the Image from the result URL given by pimage
        URL url = new URL(pimage);
        HttpURLConnection conn = (HttpURLConnection) url
            .openConnection();
        conn.setDoInput(true);
        conn.connect();
        InputStream is = conn.getInputStream();
        bmImg = BitmapFactory.decodeStream(is);
      } catch (IOException e) {
        Log.e("Error", e.getMessage());
        e.printStackTrace();
      }

      return null;
    }

    @Override
    protected void onPostExecute(String args) {
      // Locate the TextView in singleitemview.xml
      TextView txttweets = (TextView) findViewById(R.id.tweets);
      // Locate the ImageView in singleitemview.xml
      ImageView pimg = (ImageView) findViewById(R.id.pimage);

      // Set results to the TextView
      txttweets.setText(tweets);

      // Set results to the ImageView
      pimg.setImageBitmap(bmImg);

      // Close the progressdialog
      mProgressDialog.dismiss();

    }
  }

}

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