FlowLayoutDemo

添加依賴 compile ‘com.hyman:flowlayout-lib:1.1.2’

MainActivity

public class MainActivity extends Activity{

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

        final TagFlowLayout tagFlowLayout = findViewById(R.id.id_flowlayout);
        Button btn=findViewById(R.id.btn);
        final TextView tv=findViewById(R.id.tv);

        final List<String>list=new ArrayList<>();
        char a='A';
        while (a<='Z'){
            list.add(String.valueOf(a));
            a++;
        }
        tagFlowLayout.setAdapter(new MyTagAdaper(list));
        //事件
        tagFlowLayout.setOnTagClickListener(new TagFlowLayout.OnTagClickListener() {
            @Override
            public boolean onTagClick(View view, int position, FlowLayout parent) {
                Toast.makeText(MainActivity.this, list.get(position), Toast.LENGTH_SHORT).show();
                return true;
            }
        });
        //點擊標籤時回調
        tagFlowLayout.setOnSelectListener(new TagFlowLayout.OnSelectListener() {
            @Override
            public void onSelected(Set<Integer> selectPosSet) {
                Toast.makeText(MainActivity.this, selectPosSet.toString(), Toast.LENGTH_SHORT).show();
            }
        });
        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //獲取全部選擇數據
                HashSet<Integer>set= (HashSet<Integer>) tagFlowLayout.getSelectedList();
                StringBuilder sb=new StringBuilder();
                for (Integer aSet : set) {
                    sb.append(list.get(aSet));
                    sb.append(",");
                }
                tv.setText(sb.toString());

            }
        });

    }

    class MyTagAdaper extends TagAdapter<String>{

        MyTagAdaper(List<String> datas) {
            super(datas);
        }

        @Override
        public View getView(FlowLayout parent, int position, String s) {
            TextView tv= (TextView) View.inflate(MainActivity.this,R.layout.tv,null);
            tv.setText(s);
            return tv;
        }
    }

}

activity_main

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:zhy="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.example.chengqi.my_application.MainActivity"
    android:orientation="vertical">



    <com.zhy.view.flowlayout.TagFlowLayout
        android:id="@+id/id_flowlayout"
        zhy:max_select="-1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:padding="20dp">
    </com.zhy.view.flowlayout.TagFlowLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <Button
            android:id="@+id/btn"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="10dp"
            android:text="顯示所選內容"/>

        <TextView
            android:id="@+id/tv"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="15sp"
            android:layout_margin="10dp"/>
    </LinearLayout>




</LinearLayout>

tv.xml

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="10dp"
    android:background="@drawable/tv_selector"
    android:textColor="@drawable/text_color_selector"
    android:textSize="14sp"
    android:gravity="center"
    android:text="@string/text"/>

tv_selector

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:drawable="@drawable/normal_bg"
        android:state_checked="true"/>
    <item
        android:drawable="@drawable/checked_bg"/>
</selector>

normal_bg

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:drawable="@drawable/normal_bg"
        android:state_checked="true"/>
    <item
        android:drawable="@drawable/checked_bg"/>
</selector>

checked_bg

<shape xmlns:android="http://schemas.android.com/apk/res/android">

    <solid android:color="#FF99CC" />
    <corners android:radius="10dp"/>

</shape>

text_color_selector

<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:color="@color/tag_select_textcolor_selected"
        android:state_checked="true"/>
    <item android:color="@color/tag_select_textcolor"/>
</selector>

在values/colors.xml文件中添加顏色

<color name="tag_select_textcolor">#FF99CC</color>
<color name="tag_select_textcolor_selected">#FFFFFF</color>