Activity从未如此清爽，既清又爽

下一篇细说。

public class MomentActivity extends Activity implements IMomentView, OnClickListener, OnItemLongClickListener, OnItemClickListener {
    private MomentPresenter presenter;
    
    private ImageView imageViewSelfAvatar;
    private TextView textViewSelfName;
    private TextView textViewSelfContent;
    private TextView textViewDate;

    private ScollGridView photoGridView;
    private PhotoAdapter adapterPhotos;

    private ScollGridView likeGridView;
    private LikeAdapter adapterLikes;
    private ScollListView commentListView;
    private CommentAdapter adapterComments;
    
    private View triangle;
    private View layoutLikesComments;
    private View layoutLikes;
    private View divider;
    
    private EditText editTextComment;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_moment);
        
        presenter = new MomentPresenter(this);
        
        initViews();
        presenter.loadData();
    }
    
    private void initViews() {
        // 返回按钮。
        findViewById(R.id.title_back_image).setOnClickListener(this);

        // 发布者。
        imageViewSelfAvatar = (ImageView) findViewById(R.id.user_self_image);
        imageViewSelfAvatar.setOnClickListener(this);
        textViewSelfName = (TextView) findViewById(R.id.user_self_name);
        textViewSelfName.setOnClickListener(this);
        
        // 正文。
        textViewSelfContent = (TextView) findViewById(R.id.user_self_content);
        textViewSelfContent.setOnClickListener(this);
        
        // 正文配图。
        photoGridView = (ScollGridView) findViewById(R.id.user_self_photo_gridView);
        adapterPhotos = new PhotoAdapter(this);
        photoGridView.setAdapter(adapterPhotos);
        photoGridView.setOnItemLongClickListener(this);
        
        // 日期。
        textViewDate = (TextView) findViewById(R.id.user_self_dateTime);
        textViewDate.setOnClickListener(this);
        
        // 删除。
        findViewById(R.id.textViewDelete).setOnClickListener(this);
        
        // 点赞。
        findViewById(R.id.imageViewAddLike).setOnClickListener(this);
        
        // 赞和评论的背景。
        triangle = findViewById(R.id.triangle);
        layoutLikesComments = findViewById(R.id.layout_likes_comments);
        // 赞区域。
        layoutLikes = findViewById(R.id.layout_likes);
        divider = findViewById(R.id.divider_likes_comments);

        // 赞。
        likeGridView = (ScollGridView) findViewById(R.id.user_other_photo_gridView);
        adapterLikes = new LikeAdapter(this);
        likeGridView.setAdapter(adapterLikes);
        likeGridView.setOnItemLongClickListener(this);
        
        // 发送图片。
        findViewById(R.id.bottom_emoji).setOnClickListener(this);

        // 评论。
        commentListView = (ScollListView) findViewById(R.id.user_other_comment_listView);
        adapterComments = new CommentAdapter(this);
        commentListView.setAdapter(adapterComments);
        commentListView.setOnItemLongClickListener(this);
        commentListView.setOnItemClickListener(this);
        
        // 发送评论。
        editTextComment = (EditText) findViewById(R.id.bottom_editText);
        findViewById(R.id.bottom_send).setOnClickListener(this);
    }
    
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
        case R.id.title_back_image:
            finish();
            break;
            
        case R.id.user_self_image:
//            presenter.publish(this);
//            break;
//            
        case R.id.user_self_name:
            presenter.selectPublisher(this);
            break;
            
        case R.id.user_self_content:
            presenter.editContent();
            break;
            
        case R.id.user_self_dateTime:
            presenter.pickTime();
            break;
            
        case R.id.textViewDelete:
            presenter.resetAll();
            break;
            
        case R.id.imageViewAddLike:
            presenter.like(this);
            break;
            
        case R.id.bottom_emoji:
            presenter.selectImage(this);
            break;
            
        case R.id.bottom_send:
            presenter.comment(this, editTextComment.getText().toString().trim());
            break;
        }
    }
    
    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        switch (parent.getId()) {
        case R.id.user_other_comment_listView:
            presenter.setReplyTo(adapterComments.getItem(position).user);
            break;
        }
    }
    
    @Override
    public boolean onItemLongClick(AdapterView<?> parent, View view, final int position, long id) {
        switch (parent.getId()) {
        case R.id.user_self_photo_gridView:
            presenter.deleteImage(position);
            break;
            
        case R.id.user_other_photo_gridView:
            presenter.deleteLike(position);
            break;
            
        case R.id.user_other_comment_listView:
            presenter.deleteComment(position);
            break;
        }
        return false;
    }

    @Override
    public void updatePublisher(User publisher) {
        imageViewSelfAvatar.setImageBitmap(ImageUtil.getBitmapFromUri(this, publisher.avatar));
        textViewSelfName.setText(publisher.name);
    }

    @Override
    public void updateContent(String content) {
        textViewSelfContent.setText(content);
    }

    @Override
    public void updateImages(List<Image> images) {
        adapterPhotos.setData(images);
        adapterPhotos.notifyDataSetChanged();
    }

    @Override
    public void updateDate(String formattedDate) {
        textViewDate.setText(formattedDate);
    }

    @Override
    public void updateLikes(List<Like> likes) {
        adapterLikes.setData(likes);
        adapterLikes.notifyDataSetChanged();
    }

    @Override
    public void updateComments(List<Comment> comments) {
        adapterComments.setData(comments);
        adapterComments.notifyDataSetChanged();
    }
    
    @Override
    public void updateImagesVisibility(boolean isVisible) {
        photoGridView.setVisibility(isVisible ? View.VISIBLE : View.GONE);
    }
    
    @Override
    public void updateLikeCommentAreaVisibility(boolean isVisible) {
        triangle.setVisibility(isVisible ? View.VISIBLE : View.GONE);
        layoutLikesComments.setVisibility(isVisible ? View.VISIBLE : View.GONE);
    }

    @Override
    public void updateLikesVisibility(boolean isVisible) {
        layoutLikes.setVisibility(isVisible ? View.VISIBLE : View.GONE);
        divider.setVisibility(isVisible ? View.VISIBLE : View.GONE);
    }
    
    @Override
    public void updateCommentHint(String hint) {
        editTextComment.setHint(hint);
    }
    
    @Override
    public void clearCommentText() {
        editTextComment.setText("");
    }
    
    @Override
    public void resetViews() {
        setContentView(R.layout.activity_moment);
        initViews();
    }

    @Override
    public Context getContext() {
        return this;
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        presenter.handleActivityResult(requestCode, resultCode, data);
    }
    
    @Override
    protected void onDestroy() {
        super.onDestroy();
        presenter.onActivityDestroyed();
    }
}