第十二章—PopupWindow

来源：互联网发布：ubuntu如何卸载samba 编辑：程序博客网时间：2024/06/05 03:09

<RelativeLayout 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"    tools:context="com.example.administrator.popupwindowdemo.MainActivity">    <RelativeLayout        android:id="@+id/rlS"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_centerInParent="true"        android:layout_margin="50dp"        android:background="@drawable/back"        android:padding="5dp">        <EditText            android:id="@+id/et_content"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:layout_margin="10dp"            android:background="@null"            android:hint="请输入电话号码" />        <ImageView            android:id="@+id/iv_down"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_alignParentRight="true"            android:layout_centerVertical="true"            android:src="@mipmap/down_arrow" />    </RelativeLayout></RelativeLayout>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:gravity="center"    android:orientation="horizontal">    <ImageView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_margin="5dp"        android:src="@mipmap/user" />    <TextView        android:id="@+id/tv_phone"        android:layout_width="0dp"        android:layout_height="wrap_content"        android:layout_weight="1"        android:gravity="center"        android:text="电话" />    <ImageView        android:id="@+id/iv_delete"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_margin="5dp"        android:src="@mipmap/delete" /></LinearLayout>

public class MainActivity extends AppCompatActivity implements View.OnClickListener {super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        for (int i = 0; i < 50; i++) {            numbers.add("13815474" + i);        }        iv_down = (ImageView) findViewById(R.id.iv_down);        et_content = (EditText) findViewById(R.id.et_content);        rl = (RelativeLayout) findViewById(R.id.rlS);        iv_down.setOnClickListener(this);    }    PopupWindow window;    @Override    public void onClick(View v) {        ListView lv = new ListView(this);        lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {            @Override            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {                et_content.setText(numbers.get(position));                window.dismiss();            }        });        lv.setAdapter(adapter);        window = new PopupWindow(lv, rl.getWidth(), 200, true);        window.setOutsideTouchable(true);        window.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));        window.showAsDropDown(rl, 0, 50);    }    private BaseAdapter adapter = new BaseAdapter() {        @Override        public int getCount() {            return numbers.size();        }        @Override        public Object getItem(int position) {            return null;        }        @Override        public long getItemId(int position) {            return 0;        }        @Override        public View getView(final int position, View convertView, ViewGroup parent) {            ViewHodler holder;            if (convertView == null) {                convertView = View.inflate(getBaseContext(), R.layout.iten_layout, null);                holder = new ViewHodler(convertView);                convertView.setTag(holder);            } else                holder = (ViewHodler) convertView.getTag();            holder.tv_phone.setText(numbers.get(position));            holder.iv_delete.setOnClickListener(new View.OnClickListener() {                @Override                public void onClick(View v) {                    numbers.remove(position);                    adapter.notifyDataSetChanged();                }            });            return convertView;        }        class ViewHodler {            TextView tv_phone;            ImageView iv_delete;            public ViewHodler(View convertView) {                tv_phone = (TextView) convertView.findViewById(R.id.tv_phone);                iv_delete = (ImageView) convertView.findViewById(R.id.iv_delete);            }        }    };}

0 0