PopupWindow扩展

1.MainActivity

public class MainActivity extends AppCompatActivity implements View.OnClickListener {    private LinearLayout mLinearLeft;    private LinearLayout mLinearRight;    private ListView mListBottom;    private LinearLayout mActivityMain;    private PopupWindow popupWindow;    /**     * 艾欧尼亚     */    private TextView mTvLeft;    /**     * 诺克萨斯     */    private TextView mTvRight;    private List<String> list1;    private List<String> list2;    private MyAdapter myAdapter1;    private MyAdapter myAdapter2;    private View popView;    private ListView pop_lv;    private LinearLayout mLineTitle;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        initView();        list1 = new ArrayList<>();        list2 = new ArrayList<>();        list1.add("伊泽瑞尔");        list1.add("德邦总管");        list1.add("无极剑圣");        list1.add("战争之王");        list1.add("深海泰坦");        list1.add("蛮族之王");        list1.add("盲僧^^瞎");        list2.add("机械公敌");        list2.add("暗夜猎手");        list2.add("虚空恐惧");        list2.add("扭曲树精");        list2.add("永恒梦魇");        list2.add("祖安狂人");        list2.add("熔岩巨兽");        initPop();    }    private void initPop() {        //把包裹成ListView的XML转换成View        popView = LayoutInflater.from(this).inflate(R.layout.poplist, null);        LinearLayout viewById = popView.findViewById(R.id.pop_line_bottom);        pop_lv = popView.findViewById(R.id.pop_lv);        popupWindow = new PopupWindow(popView, LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT);        //设置可触摸 设置焦点        popupWindow.setOutsideTouchable(true);        popupWindow.setFocusable(true);        //设置背景        popupWindow.setBackgroundDrawable(new ColorDrawable());        //设置结束时的监听        popupWindow.setOnDismissListener(new PopupWindow.OnDismissListener() {            @Override            public void onDismiss() {                //设置TextView的颜色,把所有LinearLayout的文本颜色该为灰色                mTvLeft.setTextColor(Color.GREEN);                mTvRight.setTextColor(Color.GREEN);            }        });        //点其他关闭        viewById.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                popupWindow.dismiss();            }        });        //做俩个适配器        myAdapter1 = new MyAdapter(list1, MainActivity.this);        myAdapter2 = new MyAdapter(list2, MainActivity.this);        pop_lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {            @Override            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {                popupWindow.dismiss();                switch (flag) {                    case 0:                        String s = list1.get(i);                        mTvLeft.setText(s);                        break;                    case 1:                        String s1 = list2.get(i);                        mTvRight.setText(s1);                        break;                    default:                        break;                }            }        });    }    private int flag = 0;    private void initView() {        mLinearLeft = (LinearLayout) findViewById(R.id.linear_left);        mLinearLeft.setOnClickListener(this);        mLinearRight = (LinearLayout) findViewById(R.id.linear_right);        mLinearRight.setOnClickListener(this);        mListBottom = (ListView) findViewById(R.id.list_bottom);        mActivityMain = (LinearLayout) findViewById(R.id.activity_main);        mTvLeft = (TextView) findViewById(R.id.tvLeft);        mTvRight = (TextView) findViewById(R.id.tvRight);        mLineTitle = (LinearLayout) findViewById(R.id.line_title);    }    @Override    public void onClick(View v) {        switch (v.getId()) {            case R.id.linear_left:                pop_lv.setAdapter(myAdapter1);                popupWindow.showAsDropDown(mLineTitle,0,2);                flag = 0;                break;            case R.id.linear_right:                pop_lv.setAdapter(myAdapter2);                popupWindow.showAsDropDown(mLineTitle,0,2);                flag = 1;                break;        }    }}

2.MyAdapter

public class MyAdapter extends BaseAdapter {    private List<String> list;    private Context context;    public MyAdapter(List<String> list, Context context) {        this.list = list;        this.context = context;    }    @Override    public int getCount() {        return list.size();    }    @Override    public Object getItem(int i) {        return null;    }    @Override    public long getItemId(int i) {        return 0;    }    @Override        public View getView(int position, View convertView, ViewGroup parent) {            ViewHolder holder = null;            if(convertView==null){                holder=new ViewHolder();                convertView=convertView.inflate(context,R.layout.item,null);                holder.textView= (TextView) convertView.findViewById(R.id.tv);                convertView.setTag(holder);            }else{                holder= (ViewHolder) convertView.getTag();            }            holder.textView.setText(list.get(position));            return convertView;        }        static class ViewHolder{            TextView textView;        }}

3.MainXML

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:id="@+id/activity_main"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical">    <android.support.v7.widget.Toolbar        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:background="@android:color/holo_purple">        <TextView            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:gravity="center"            android:text="英雄联盟"            android:textSize="25sp" />    </android.support.v7.widget.Toolbar>    <View        android:layout_width="match_parent"        android:layout_height="2dp"        android:background="#666" />    <LinearLayout        android:id="@+id/line_title"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:orientation="horizontal">        <LinearLayout            android:id="@+id/linear_left"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_weight="1"            android:gravity="center">            <TextView                 android:id="@+id/tvLeft"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:background="@drawable/line"                android:text="艾欧尼亚"                android:textSize="30sp" />            <ImageView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:src="@mipmap/ic_launcher" />        </LinearLayout>        <TextView            android:text="召唤师峡谷"            android:layout_width="15dp"            android:layout_height="wrap_content"/>        <LinearLayout            android:id="@+id/linear_right"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_weight="1"            android:gravity="center">            <TextView                android:id="@+id/tvRight"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:background="@drawable/line"                android:text="诺克萨斯"                android:textSize="30sp" />            <ImageView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:src="@mipmap/ic_launcher" />        </LinearLayout>    </LinearLayout>    <ListView        android:divider="#f0f0f0"        android:dividerHeight="10dp"        android:id="@+id/list_bottom"        android:layout_width="match_parent"        android:scrollbarStyle="outsideOverlay"        android:layout_height="wrap_content">    </ListView></LinearLayout>

4.item

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical" android:layout_width="match_parent"    android:layout_height="match_parent">    <TextView        android:textSize="25sp"        android:id="@+id/tv"        android:layout_width="wrap_content"        android:layout_height="wrap_content" /></LinearLayout>

5.poplist

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical" android:layout_width="match_parent"    android:background="#5000"    android:layout_height="match_parent">    <ListView        android:id="@+id/pop_lv"        android:scrollbarStyle="outsideOverlay"        android:layout_width="match_parent"        android:layout_height="wrap_content"></ListView>    <LinearLayout        android:orientation="vertical"        android:id="@+id/pop_line_bottom"        android:layout_width="match_parent"        android:layout_height="0dp">    </LinearLayout></LinearLayout>