Android Open Source - cnBeta Comment Activity

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License

The source code is released under:
Apache License
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Java Source Code

?package com.guest.cnbeta;
/* w  ww.j  a  v a2 s  .co  m*/
import java.io.IOException;
import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.view.ViewGroup;
import android.view.Window;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.LayoutAnimationController;
import android.view.animation.TranslateAnimation;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

import com.guest.cnbeta.loadsource.LoadSource;
import com.guest.cnbeta.loadsource.LoadSourceInterface;
import com.guest.cnbeta.module.Article;
import com.guest.cnbeta.module.Comment;
import com.guest.cnbeta.service.CommentService;
import com.guest.cnbeta.util.Util;
import com.mobclick.android.MobclickAgent;

public class CommentActivity extends Activity {
  private CommentService cbCommentService;
  private Intent intent;
  private Bundle bl;
  private Article article;
  private List<Comment> commentList;
  private ListView listView;
  private Boolean isLikeVoted = false;
  private Boolean isDisLikeVoted = false;
  private CommentListAdapter listAdapter;
  private Button postBT;
  private Bitmap safeCode;
  private ImageView imgAddSafeCode;
  private ProgressBar progressBar;
  private LoadSourceInterface loader = new LoadSource();

  Comment currentComment = new Comment();
  LoadSourceInterface loadSource = new LoadSource();

  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
    cbCommentService = new CommentService(this);
    setContentView(R.layout.list_comment);
    intent = this.getIntent();
    bl = intent.getExtras();
    article = (Article) bl.getSerializable("article");
    this.setTitle(getString(R.string.comment) + article.getTitle());
    
    AnimationSet set = new AnimationSet(true);

    Animation animation = new AlphaAnimation(0.0f, 1.0f);
    animation.setDuration(50);
    set.addAnimation(animation);

    animation = new TranslateAnimation(Animation.RELATIVE_TO_SELF, 0.0f,
        Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF,
        -1.0f, Animation.RELATIVE_TO_SELF, 0.0f);
    animation.setDuration(250);
    set.addAnimation(animation);

    LayoutAnimationController controller = new LayoutAnimationController(
        set, 0.5f);

    View footerView = getLayoutInflater().inflate(
        R.layout.list_comment_footer, null);
    
    listAdapter = new CommentListAdapter(this);
    syncComment();
    
    progressBar = (ProgressBar)footerView.findViewById(R.id.safeCodePB);

    listView = (ListView) findViewById(R.id.LstComment);
    listView.setLayoutAnimation(controller);
    listView.addFooterView(footerView);
    
    postBT = (Button) findViewById(R.id.BtnAddPost);
    postBT.setOnTouchListener(new OnTouchListener() {

      @Override
      public boolean onTouch(View v, MotionEvent event) {

        switch (event.getAction()) {
        case MotionEvent.ACTION_DOWN:
          postBT.setBackgroundResource(R.drawable.btn_pressed);
          break;

        case MotionEvent.ACTION_UP:
          postBT.setBackgroundResource(R.drawable.btn);
          syncPostComment();
          break;
          
        case MotionEvent.ACTION_MOVE:
          postBT.setBackgroundResource(R.drawable.btn);

        default:
          break;
        }

        return false;
      }
    });
    
    imgAddSafeCode = (ImageView) findViewById(R.id.ImgAddSafeCode);
    imgAddSafeCode.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        // TODO Auto-generated method stub
        syncSafeCode();
      }
    });

    syncSafeCode();
  }

  public class CommentListAdapter extends BaseAdapter {

    ViewHolder holder;

    int itemID;

    int voteId;

    int[] likeVoteNum = new int[100];

    int[] disLikeVoteNum = new int[100];

    private LayoutInflater mInflater;

    public CommentListAdapter(Context context) {
      mInflater = LayoutInflater.from(context);
    }

    @Override
    public int getCount() {
      return commentList.size();
    }

    @Override
    public Object getItem(int position) {
      return position;
    }

    @Override
    public long getItemId(int position) {
      return position;
    }

    public View getView(int id, View convertView, ViewGroup parent) {

      if (convertView == null) {

        convertView = mInflater.inflate(R.layout.item_comment, null);
        holder = new ViewHolder();

        holder.authorTV = (TextView) convertView
            .findViewById(R.id.authorTV);
        holder.contentTV = (TextView) convertView
            .findViewById(R.id.contentTV);

        holder.likeView = (View) convertView.findViewById(R.id.like);

        holder.dislikeView = (View) convertView
            .findViewById(R.id.dislike);

        holder.likeTV = (TextView) convertView
            .findViewById(R.id.likeTV);
        holder.dislikeTV = (TextView) convertView
            .findViewById(R.id.dislikeTV);

        convertView.setTag(holder);

      } else {
        holder = (ViewHolder) convertView.getTag();
      }

      currentComment = commentList.get(id);

      holder.authorTV.setText(currentComment.getAuthor() + "?????"
          + currentComment.getDate().toLocaleString());
      holder.contentTV.setText(currentComment.getComment());

      int likeNumber = currentComment.getLike();
      int disLikeNumber = currentComment.getDislike();

      if (!isLikeVoted) {
        holder.likeTV.setText(Integer.toString(likeNumber));
        likeVoteNum[id] = likeNumber;
      } else {
        holder.likeTV.setText(Integer.toString(likeVoteNum[id]));
      }

      if (!isDisLikeVoted) {
        holder.dislikeTV.setText(Integer.toString(disLikeNumber));
        disLikeVoteNum[id] = disLikeNumber;
      } else {
        holder.dislikeTV.setText(Integer.toString(disLikeVoteNum[id]));
      }

      holder.likeView.setOnClickListener(new ItemListener(id, likeNumber,
          currentComment));
      holder.dislikeView.setOnClickListener(new ItemListener(id,
          disLikeNumber, currentComment));

      return convertView;
    }

    private class ViewHolder {

      View likeView;

      View dislikeView;

      TextView likeTV;

      TextView dislikeTV;

      TextView authorTV;

      TextView contentTV;
    }

    class ItemListener implements OnClickListener {

      private int mNumber;

      private int mPosition;

      private Comment mComment;

      ItemListener(int id, int number, Comment comment) {
        mPosition = id;
        mNumber = number;
        mComment = comment;
      }

      @Override
      public void onClick(View v) {
        int vid = v.getId();
        if (vid == holder.likeView.getId()) {
          Toast.makeText(CommentActivity.this, "??????????",
              Toast.LENGTH_SHORT).show();
          
          isLikeVoted = true;
          likeVoteNum[mPosition] = mNumber + 1;

          try {
            if (loadSource.supportComment(mComment)) {
            } else {
              Toast.makeText(CommentActivity.this, "???",
                  Toast.LENGTH_SHORT).show();
            }
          } catch (IOException e) {
            e.printStackTrace();
          }
        }
        
        if (vid == holder.dislikeView.getId()) {
          
          Toast.makeText(CommentActivity.this, "???????",
              Toast.LENGTH_SHORT).show();
          
          isDisLikeVoted = true;
          disLikeVoteNum[mPosition] = mNumber + 1;

          try {
            if (loadSource.againstComment(mComment)) {
            } else {
              Toast.makeText(CommentActivity.this, "???",
                  Toast.LENGTH_SHORT).show();
            }
          } catch (IOException e) {
            e.printStackTrace();
          }
        }
        listAdapter.notifyDataSetChanged();
      }
    }
  }

  @Override
  public boolean onKeyDown(int keyCode, KeyEvent event) {
    switch (keyCode) {
    case KeyEvent.KEYCODE_BACK:
      Intent intent = new Intent();
      intent.setClass(CommentActivity.this, ArticleActivity.class);
      Bundle bundle = new Bundle();
      bundle.putSerializable("article", article);
      intent.putExtras(bundle);
      startActivity(intent);
      overridePendingTransition(R.anim.slide_in_up, R.anim.slide_out_down);
      finish();
      return true;
    default:
      return super.onKeyDown(keyCode, event);
    }
  }
  
  public void syncPostComment() {
    progressBar.setVisibility(View.VISIBLE);
    imgAddSafeCode.setVisibility(View.INVISIBLE);
    
    new Thread() {
      @Override
      public void run() {
        String result = reloadPostComment();
        int msgid = Integer.parseInt(result.substring(0, 1));
        handler_pc.sendEmptyMessage(msgid);
      }
    }.start();
  }

  public void syncComment() {
    new Thread() {
      @Override
      public void run() {
        if (reloadCommentList()) {
          handler.sendEmptyMessage(0);
        } else {
          handler.sendEmptyMessage(1);
        }
      }
    }.start();
  }

  public boolean reloadCommentList() {
    if (!Util.isNetworkAvailable(this)) {
      return false;
    }
    try {
      commentList = cbCommentService.getCommentList(article);
      return true;
    } catch (IOException e) {
      e.printStackTrace();
      return false;
    }
  }

  public void reloadListView() {
    listView.setAdapter(listAdapter);

    if (listAdapter.getCount() == 0) {
      Toast.makeText(this, "????", Toast.LENGTH_SHORT).show();
      Intent intent = new Intent();
      intent.setClass(CommentActivity.this, ArticleActivity.class);
      Bundle bundle = new Bundle();
      bundle.putSerializable("article", article);
      intent.putExtras(bundle);
      startActivity(intent);
      overridePendingTransition(R.anim.slide_in_up, R.anim.slide_out_down);
      finish();
    }
  }

  private Handler handler = new Handler() {

    @Override
    public void handleMessage(Message msg) {
      if (msg.what == 0) {
        reloadListView();
      } else if (msg.what == 1) {
        Toast.makeText(CommentActivity.this, "???????",
            Toast.LENGTH_SHORT).show();
        Intent intent = new Intent();
        intent.setClass(CommentActivity.this, ArticleActivity.class);
        Bundle bundle = new Bundle();
        bundle.putSerializable("article", article);
        intent.putExtras(bundle);
        startActivity(intent);
        overridePendingTransition(R.anim.slide_in_up,
            R.anim.slide_out_down);
        finish();
      } else if (msg.what == 2) {
        reloadImageView();
      }
    }
  };

  public void syncSafeCode() {
    imgAddSafeCode.setVisibility(View.INVISIBLE);
    progressBar.setVisibility(View.VISIBLE);
    new Thread() {
      @Override
      public void run() {
        if (reloadSafeCode()) {
          handler.sendEmptyMessage(2);
        } 
      }
    }.start();
  }

  public String reloadPostComment() {
    String result = "";
    if (!Util.isNetworkAvailable(this)) {
      return result;
    }
    EditText edtAddComment0 = (EditText) findViewById(R.id.EdtAddComment0);
    EditText edtAddValimg = (EditText) findViewById(R.id.EdtAddValimg);
    try {
      result = loader.postComments(article,
          String.valueOf(edtAddComment0.getText()),
          String.valueOf(edtAddValimg.getText()));
      return result;
    } catch (IOException e) {
      e.printStackTrace();
      return result;
    }
  }

  public boolean reloadSafeCode() {
    if (!Util.isNetworkAvailable(this)) {
      return false;
    }
    try {
      safeCode = loader.getSafeCode();
      return true;
    } catch (IOException e) {
      e.printStackTrace();
      return false;
    }
  }

  public void reloadImageView() {
    progressBar.setVisibility(View.INVISIBLE);
    imgAddSafeCode.setVisibility(View.VISIBLE);
    imgAddSafeCode.setImageBitmap(safeCode);
  }

  private Handler handler_pc = new Handler() {
    @Override
    public void handleMessage(Message msg) {
      
      progressBar.setVisibility(View.INVISIBLE);
      imgAddSafeCode.setVisibility(View.VISIBLE);
      
      switch (msg.what) {
      case 0:
        Toast.makeText(getApplicationContext(), "????????????",
            Toast.LENGTH_SHORT).show();
        break;
      case 1:
        Toast.makeText(getApplicationContext(), "?????????",
            Toast.LENGTH_SHORT).show();
        break;
      case 2:
        Toast.makeText(getApplicationContext(), "30????????????",
            Toast.LENGTH_SHORT).show();
        break;
      case 3:
        Toast.makeText(getApplicationContext(), "??????????????",
            Toast.LENGTH_SHORT).show();
        break;
      case 4:
        Toast.makeText(getApplicationContext(), "?????????",
            Toast.LENGTH_SHORT).show();
        break;
      case 5:
        Toast.makeText(getApplicationContext(), "0.5?????????",
            Toast.LENGTH_SHORT).show();
        finish();
        break;
      case 6:
        Toast.makeText(getApplicationContext(), "CBFW??????????????????",
            Toast.LENGTH_SHORT).show();
        break;
      case 7:
        Toast.makeText(getApplicationContext(), "???????????????",
            Toast.LENGTH_SHORT).show();
        break;
      case 8:
        Toast.makeText(getApplicationContext(), "??????????????????????????",
            Toast.LENGTH_SHORT).show();
        break;
      case 9:
        Toast.makeText(getApplicationContext(), "???????",
            Toast.LENGTH_SHORT).show();
        break;
      default:
        Toast.makeText(getApplicationContext(), "????",
            Toast.LENGTH_SHORT).show();
        break;
      }
    }
  };

  public boolean onCreateOptionsMenu(Menu menu) {
    super.onCreateOptionsMenu(menu);
    menu.add(0, 1, 0, "??????").setIcon(R.drawable.ic_menu_post);
    return true;
  }

  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case 1:
      listView.setSelection(listView.getCount());
      break;
    }
    return true;
  }
  
  public void onResume() {
    super.onResume();
     MobclickAgent.onResume(this);
  }

  public void onPause() {
    super.onPause();
     MobclickAgent.onPause(this);
  }

}
Java Source Code List
