Android Open Source - Dumbledroid Flickr Activity

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License

The source code is released under:

Copyright (c) 2013, Leocadio Tin? All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: ...

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Java Source Code

package io.leocad.dumbledoreexample.activities;
/*from  ww  w.j a  va  2 s .  c  o m*/
import io.leocad.dumbledoreexample.R;
import io.leocad.dumbledoreexample.adapters.FlickrAdapter;
import io.leocad.dumbledoreexample.models.FlickrPhotos;
import io.leocad.dumbledroid.net.NoConnectionException;
import android.annotation.SuppressLint;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.ViewFlipper;

public class FlickrActivity extends BaseActivity {

  private ViewFlipper mViewFlipper;
  private TextView mResultsTitle;
  private ListView mListView;
  private Dialog mDialog;

  @SuppressLint("NewApi")
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.flickr);

    if (Build.VERSION.SDK_INT >= 11) {
      // Show the Up button in the action bar.
      getActionBar().setDisplayHomeAsUpEnabled(true);
    }

    mViewFlipper = (ViewFlipper) findViewById(R.id.vf);
    mResultsTitle = (TextView) findViewById(R.id.tv_results_title);
    mListView = (ListView) findViewById(R.id.lv);
  }

  public void onSearchClicked(View v) {

    //Hide the soft keyboard
    InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
    imm.hideSoftInputFromWindow(v.getWindowToken(), 0);

    String query = ((EditText) findViewById(R.id.et_query)).getText().toString();
    loadContent(query);
  }

  private void loadContent(String query) {
    new AsyncTask<String, Void, FlickrPhotos>() {

      @Override
      protected void onPreExecute() {
        mDialog = ProgressDialog.show(FlickrActivity.this, null, "Loading");
      };

      @Override
      protected FlickrPhotos doInBackground(String... params) {

        try {
          FlickrPhotos photos = new FlickrPhotos();
          photos.load(FlickrActivity.this, params[0]);
          return photos;

        } catch (NoConnectionException e) {
          onConnectionError();
          return null;

        } catch (Exception e) {
          e.printStackTrace();
          return null;
        }
      }

      @Override
      protected void onPostExecute(FlickrPhotos photos) {

        if (photos != null) {
          printContent(photos);
        }
        mDialog.dismiss();
      }
    }.execute(query);
  }

  private void printContent(FlickrPhotos photos) {

    mViewFlipper.setDisplayedChild(1);
    mResultsTitle.setText(photos.title);

    FlickrAdapter adapter = new FlickrAdapter(this, photos);
    mListView.setAdapter(adapter);
  }

  @Override
  public void onBackPressed() {

    if (mViewFlipper.getDisplayedChild() == 1) {
      mViewFlipper.setDisplayedChild(0);
    } else {
      super.onBackPressed();
    }
  }
}

Java Source Code List