Android实现今日头条订阅频道效果

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package com.example.a2_;

import android.animation.LayoutTransition;
import android.content.Context;
import android.graphics.Color;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.DragEvent;
import android.view.View;
import android.widget.GridLayout;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by Administrator on 2017.06.08.0008.
 */

public class MyGridLayout extends GridLayout implements View.OnDragListener {

private OnItemClickListener listener;
private List rects;
private View DragItem = null;
private boolean dragable;

public MyGridLayout(Context context, AttributeSet attrs) {
  super(context, attrs);
  //添加动画
  setLayoutTransition(new LayoutTransition());
  //舰艇拖拽事件
  setOnDragListener(this);
}

//根据传递进来的数据,动态地添加控件
public void setData(List list) {
  for (int i = 0; i ();
  for (int i = 0; i 

package com.example.a2_;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;

import java.util.Arrays;
import java.util.List;

import butterknife.ButterKnife;
import butterknife.InjectView;

public class MainActivity extends Activity {


@InjectView(R.id.gl1)
MyGridLayout gl1;
@InjectView(R.id.gl2)
MyGridLayout gl2;
@InjectView(R.id.activity_main)
LinearLayout activityMain;
//创建已订阅和为订阅的集合
private List select = Arrays.asList("北京", "中国", "国际", "体育", "生活", "旅游", "科技", "军事", "时尚", "财经", "育儿", "汽车");
private List unselect = Arrays.asList("娱乐", "服饰", "音乐", "视频", "段子", "搞笑", "科学", "房产", "名站");

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  ButterKnife.inject(this);

  //初始化数据
  initData();
}


private void initData() {

  gl1.setData(select);
  gl2.setData(unselect);

  gl1.setDragable(true);

  //设置监听
  gl1.setOnClickListener(new MyGridLayout.OnItemClickListener() {
    @Override
    public void onItemClick(View v) {
      gl1.removeView(v);
      //设置中间人
      String s = ((TextView) v).getText().toString();
      gl2.addItem(s);
    }
  });

  gl2.setOnClickListener(new MyGridLayout.OnItemClickListener() {
    @Override
    public void onItemClick(View v) {
      gl2.removeView(v);
      //设置中间人
      String s = ((TextView) v).getText().toString();
      gl1.addItem(s);
    }
  });
}

}