Android 标签控件

import java.util.ArrayList;
import java.util.List;
import com.niceapp.lib.tagview.R;
import android.content.Context;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.CompoundButton;

/**
* @author kince
* 
*/
public class TagListView extends FlowLayout implements OnClickListener {

     private boolean mIsDeleteMode;
     private OnTagCheckedChangedListener mOnTagCheckedChangedListener;
     private OnTagClickListener mOnTagClickListener;
     private int mTagViewBackgroundResId;
     private int mTagViewTextColorResId;
     private final List<Tag> mTags = new ArrayList<Tag>();

     /**
     * @param context
     */
     public TagListView(Context context) {
          super(context);
          // TODO Auto-generated constructor stub
          init();
     }

     /**
     * @param context
     * @param attributeSet
     */
     public TagListView(Context context, AttributeSet attributeSet) {
          super(context, attributeSet);
          // TODO Auto-generated constructor stub
          init();
     }

     /**
     * @param context
     * @param attributeSet
     * @param defStyle
     */
     public TagListView(Context context, AttributeSet attributeSet, int defStyle) {
          super(context, attributeSet, defStyle);
          // TODO Auto-generated constructor stub
          init();
     }

     @Override
     public void onClick(View v) {
          if ((v instanceof TagView)) {
               Tag localTag = (Tag) v.getTag();
               if (this.mOnTagClickListener != null) {
                    this.mOnTagClickListener.onTagClick((TagView) v, localTag);
               }
          }
     }

     private void init() {

     }

     private void inflateTagView(final Tag t, boolean b) {

          TagView localTagView = (TagView) View.inflate(getContext(),
                    R.layout.tag, null);
          localTagView.setText(t.getTitle());
          localTagView.setTag(t);

          if (mTagViewTextColorResId <= 0) {
               int c = getResources().getColor(R.color.blue);
               localTagView.setTextColor(c);

          }

          if (mTagViewBackgroundResId <= 0) {
               mTagViewBackgroundResId = R.drawable.tag_bg;
               localTagView.setBackgroundResource(mTagViewBackgroundResId);
          }

          localTagView.setChecked(t.isChecked());
          localTagView.setCheckEnable(b);
          if (mIsDeleteMode) {
               int k = (int) TypedValue.applyDimension(1, 5.0F, getContext()
                         .getResources().getDisplayMetrics());
               localTagView.setPadding(localTagView.getPaddingLeft(),
                         localTagView.getPaddingTop(), k,
                         localTagView.getPaddingBottom());
               localTagView.setCompoundDrawablesWithIntrinsicBounds(0, 0,
                         R.drawable.forum_tag_close, 0);
          }
          if (t.getBackgroundResId() > 0) {
               localTagView.setBackgroundResource(t.getBackgroundResId());
          }
          if ((t.getLeftDrawableResId() > 0) || (t.getRightDrawableResId() > 0)) {
               localTagView.setCompoundDrawablesWithIntrinsicBounds(
                         t.getLeftDrawableResId(), 0, t.getRightDrawableResId(), 0);
          }
          localTagView.setOnClickListener(this);
          localTagView
                    .setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
                         public void onCheckedChanged(
                                   CompoundButton paramAnonymousCompoundButton,
                                   boolean paramAnonymousBoolean) {
                              t.setChecked(paramAnonymousBoolean);
                              if (TagListView.this.mOnTagCheckedChangedListener != null) {
                                   TagListView.this.mOnTagCheckedChangedListener
                                             .onTagCheckedChanged(
                                                       (TagView) paramAnonymousCompoundButton,
                                                       t);
                              }
                         }
                    });
          addView(localTagView);
     }

     public void addTag(int i, String s) {
          addTag(i, s, false);
     }

     public void addTag(int i, String s, boolean b) {
          addTag(new Tag(i, s), b);
     }

     public void addTag(Tag tag) {
          addTag(tag, false);
     }

     public void addTag(Tag tag, boolean b) {
          mTags.add(tag);
          inflateTagView(tag, b);
     }

     public void addTags(List<Tag> lists) {
          addTags(lists, false);
     }

     public void addTags(List<Tag> lists, boolean b) {
          for (int i = 0; i < lists.size(); i++) {
               addTag((Tag) lists.get(i), b);
          }
     }

     public List<Tag> getTags() {
          return mTags;
     }

     public View getViewByTag(Tag tag) {
          return findViewWithTag(tag);
     }

     public void removeTag(Tag tag) {
          mTags.remove(tag);
          removeView(getViewByTag(tag));
     }

     public void setDeleteMode(boolean b) {
          mIsDeleteMode = b;
     }

     public void setOnTagCheckedChangedListener(
               OnTagCheckedChangedListener onTagCheckedChangedListener) {
          mOnTagCheckedChangedListener = onTagCheckedChangedListener;
     }

     public void setOnTagClickListener(OnTagClickListener onTagClickListener) {
          mOnTagClickListener = onTagClickListener;
     }

     public void setTagViewBackgroundRes(int res) {
          mTagViewBackgroundResId = res;
     }

     public void setTagViewTextColorRes(int res) {
          mTagViewTextColorResId = res;
     }

     public void setTags(List<? extends Tag> lists) {
          setTags(lists, false);
     }

     public void setTags(List<? extends Tag> lists, boolean b) {
          removeAllViews();
          mTags.clear();
          for (int i = 0; i < lists.size(); i++) {
               addTag((Tag) lists.get(i), b);
          }
     }

     public static abstract interface OnTagCheckedChangedListener {
          public abstract void onTagCheckedChanged(TagView tagView, Tag tag);
     }

     public static abstract interface OnTagClickListener {
          public abstract void onTagClick(TagView tagView, Tag tag);
     }

}

import java.util.ArrayList;
import java.util.List;
import com.niceapp.lib.tagview.widget.Tag;
import com.niceapp.lib.tagview.widget.TagListView;
import android.app.Activity;
import android.os.Bundle;

public class MainActivity extends Activity {

     private TagListView mTagListView;
     private final List<Tag> mTags = new ArrayList<Tag>();
     private final String[] titles = { "安全必备", "音乐", "父母学", "上班族必备", 
               "360手机卫士", "QQ","输入法", "微信", "最美应用", "AndevUI", "蘑菇街" };

     @Override
     protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.select_tag_activity);

          mTagListView = (TagListView) findViewById(R.id.tagview);
          setUpData();
          mTagListView.setTags(mTags);
     }

     private void setUpData() {
          for (int i = 0; i < 10; i++) {
               Tag tag = new Tag();
               tag.setId(i);
               tag.setChecked(true);
               tag.setTitle(titles[i]);
               mTags.add(tag);
          }
     }
}