Android Open Source - Test-SimpleTwitterClient Searchable Activity

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Java Source Code

package com.example.Twitter_Android.AppActivity;
/*from   w w  w . java 2s  .  c  om*/
import android.app.ListActivity;
import android.app.LoaderManager;
import android.app.SearchManager;
import android.content.Intent;
import android.content.Loader;
import android.net.Uri;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import com.example.Twitter_Android.Logic.Constants;
import com.example.Twitter_Android.Fragments.Adapters.FollowingsListAdapter;
import com.example.Twitter_Android.Fragments.Adapters.TweetAdapter;
import com.example.Twitter_Android.Loaders.Task_LoadSearchedTweets;
import com.example.Twitter_Android.Loaders.Task_LoadSearchedUsers;
import com.example.Twitter_Android.Logic.Person;
import com.example.Twitter_Android.Logic.Tweet;
import com.example.Twitter_Android.R;

import java.util.List;

public class SearchableActivity extends ListActivity implements LoaderManager.LoaderCallbacks {
  private static final String ADAPTER_TAG = "SEARCH_ACTIVITY";
  private static final int TWEETS_LOADER = Constants.SEARCH_RESULT_LOADER;
  private static final int USERS_LOADER = Constants.SEARCH_USERS_LOADER;
  private static final String QUERY = "QUERY";


  private TweetAdapter tweetAdapter;
  private FollowingsListAdapter followingsAdapter;

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

    Intent intent = getIntent();
    String intentAction = intent.getAction();
    if ((intentAction != null) && (intentAction.equals(Intent.ACTION_SEARCH))) {
      String query = intent.getStringExtra(SearchManager.QUERY);
      doSearch(query);
    }
  }

  @Override
  protected void onNewIntent(Intent intent) {
    super.onNewIntent(intent);
    String action = intent.getAction();
    if ((action != null) && (action.equals(Intent.ACTION_SEARCH))) {
      String query = intent.getStringExtra(SearchManager.QUERY);
      doSearch(query);
    }
  }

  private void doSearch(String query) {
    Bundle args = new Bundle();
    args.putString(QUERY, query);
    if (query.trim().startsWith("@")) {
      getLoaderManager().restartLoader(USERS_LOADER, args, this);
    } else {
      getLoaderManager().restartLoader(TWEETS_LOADER, args, this);
    }
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.menu_home_timeline, menu);

    return true;
  }

  @Override
  public Loader onCreateLoader(int id, Bundle args) {
    String query = args.getString(QUERY, "Need_question");
    String qq = Uri.encode(query);
    Loader loader;
    switch (id) {
      case TWEETS_LOADER:
        loader = new Task_LoadSearchedTweets(this, qq);
        return loader;
      case USERS_LOADER:
        loader = new Task_LoadSearchedUsers(this, qq);
        return loader;
    }
    return null;
  }


  @Override
  public void onLoadFinished(Loader loader, Object data) {
    if (loader.getId() == TWEETS_LOADER) {
      if (tweetAdapter == null) {
        tweetAdapter = new TweetAdapter(this, (List<Tweet>) data, ADAPTER_TAG);
        setListAdapter(tweetAdapter);
      } else {
        tweetAdapter.addItemsInstead((List<Tweet>) data);
      }
      followingsAdapter = null;
    } else if (loader.getId() == USERS_LOADER) {
      if (followingsAdapter == null) {
        followingsAdapter = new FollowingsListAdapter(this, (List<Person>) data, ADAPTER_TAG);
        setListAdapter(followingsAdapter);
      } else {
        followingsAdapter.addItemsInstead((List<Person>) data);
      }
      tweetAdapter = null;
    }
  }

  @Override
  public void onLoaderReset(Loader loader) {

  }

}

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