Android Open Source - Music-Share-Android At Suggestion Activity

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From Project

Back to project page Music-Share-Android.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.paperairplane.music.share;
/*from w  w  w  . j ava 2  s.  c  o m*/
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.json.JSONArray;
import org.json.JSONException;

import com.weibo.sdk.android.WeiboException;
import com.weibo.sdk.android.WeiboParameters;
import com.weibo.sdk.android.net.AsyncWeiboRunner;
import com.weibo.sdk.android.net.RequestListener;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;

import com.paperairplane.music.share.Consts.SNS;
import com.paperairplane.music.share.utils.MyLogger;

/**
 * ????At????
 * 
 * @author Harry Chen (<a href="mailto:chenshengqi1@gmail.com">Harry Chen</a>)
 * @author Xavier Yao (<a href="mailto:xavieryao@me.com">Xavier Yao</a>)
 * @see <a
 *      href="http://www.github.com/PaperAirPlane-Dev-Team/Music-Share-Android">Our
 *      GitHub</a>
 */
public class AtSuggestionActivity extends Activity {
  private ListView mLvAtSuggestion;
  private EditText mEtUserNick;
  private List<String> mListSuggestion = new ArrayList<String>();
  private Handler mHandler;
  private ArrayAdapter<String> mAdapterSugestion;
  private Intent mIntent;
  private Bundle mExtras;
  private SnsHelper helper = SnsHelper.getInstance();

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.at_suggestion);
    mIntent = new Intent(AtSuggestionActivity.this, Main.class);
    mExtras = new Bundle();
    mExtras.putAll(getIntent().getExtras());
    mIntent.putExtras(mExtras);
    setResult(RESULT_CANCELED, mIntent);
    mHandler = new Handler() {
      @SuppressWarnings("unchecked")
      @Override
      public void handleMessage(Message msg) {
        switch (msg.what) {
        case Consts.Status.DATA_CHANGED:
          try {
            mListSuggestion.clear();
            mListSuggestion.addAll((ArrayList<String>) msg.obj);
          } catch (Exception e) {

          }
          mAdapterSugestion.notifyDataSetChanged();
          break;
        }
      }
    };
    mAdapterSugestion = new ArrayAdapter<String>(AtSuggestionActivity.this,
        android.R.layout.simple_expandable_list_item_1, mListSuggestion);
    mLvAtSuggestion = (ListView) findViewById(R.id.listView_at);
    mLvAtSuggestion.setAdapter(mAdapterSugestion);
    mEtUserNick = (EditText) findViewById(R.id.editText_at);
    mEtUserNick.setText("@");
    mEtUserNick.setSelection(1);
    mEtUserNick.addTextChangedListener(new TextWatcher() {

      @Override
      public void afterTextChanged(Editable e) {
        try {
          mListSuggestion.remove(0);
        } catch (Exception e1) {
        }
        mListSuggestion.add(0, e.toString());
        mAdapterSugestion.notifyDataSetChanged();
        lookForSuggestions();
      }

      @Override
      public void beforeTextChanged(CharSequence s, int arg1, int arg2,
          int arg3) {

      }

      @Override
      public void onTextChanged(CharSequence s, int start, int arg2,
          int arg3) {

      }

    });
    mLvAtSuggestion.setOnItemClickListener(new OnItemClickListener() {

      @Override
      public void onItemClick(AdapterView<?> arg0, View arg1,
          int position, long arg3) {
        int selection, start;
        start = getIntent().getExtras().getInt("start");
        StringBuffer result = new StringBuffer(getIntent().getExtras()
            .getString(Intent.EXTRA_TEXT));
        result.replace(start, start + 1,
            mAdapterSugestion.getItem(position));
        selection = start
            + mAdapterSugestion.getItem(position).length();
        mExtras.putString(Intent.EXTRA_TEXT, result.toString());
        mExtras.putInt("selection", selection);
        mIntent.putExtras(mExtras);
        setResult(RESULT_OK, mIntent);
        finish();
      }

    });
  }

  /**
   * ???????????????@??
   */
  private void lookForSuggestions() {

    WeiboParameters params = new WeiboParameters();
    params.add("access_token",helper.getWeibo(SNS.WEIBO).accessToken.getToken());
    params.add("q", mEtUserNick.getText().toString().replace("@", ""));
    String url = Consts.Url.API_SUGGESTION;
    final Message m = mHandler.obtainMessage(Consts.Status.DATA_CHANGED);
    try {
      AsyncWeiboRunner.request(url, params, "GET", new RequestListener() {
        @Override
        public void onComplete(String result) {
          final List<String> fetched_data = new ArrayList<String>();
          fetched_data.add(0, mEtUserNick.getText().toString());
          try {
            JSONArray array = new JSONArray(result);
            for (int i = 0; i < array.length(); i++) {
              String nickname = "@"
                  + array.getJSONObject(i).getString(
                      "nickname") + " ";
              fetched_data.add(nickname);
              MyLogger.v(Consts.DEBUG_TAG, "??????" + nickname);
            }
            m.obj = fetched_data;
            m.sendToTarget();
          } catch (JSONException e) {
            e.printStackTrace();
          }
        }

        @Override
        public void onError(WeiboException e) {
          e.printStackTrace();
          MyLogger.e(Consts.DEBUG_TAG,
              "??????" + e.getStatusCode() + e.getMessage());
        }

        @Override
        public void onIOException(IOException arg0) {
        }
      });
    } catch (Exception e) {
      e.printStackTrace();
    }

  }

}

Java Source Code List

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