PopupWindow

ublic class MainActivity extends Activity implements OnClickListener{
Button bt_pop;
PopupWindow pw;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        bt_pop=(Button) findViewById(R.id.bt_popwindow);
        bt_pop.setOnClickListener(this);
       
    }

 

 

 @Override
 public void onClick(View v) {
  switch (v.getId()) {
  case R.id.bt_popwindow:
   LayoutInflater mLayoutInflater=(LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
   View menuView=mLayoutInflater.inflate(R.layout.popup_car, null, true);
   pw=new PopupWindow(menuView, LayoutParams.FILL_PARENT, LayoutParams.MATCH_PARENT, true);
   pw.setContentView(menuView);
   
   Button btnAddAttention=(Button) menuView.findViewById(R.id.btn_public_car);
   btnAddAttention.setText("添加关注");
   Button btnCancleAttention=(Button) menuView.findViewById(R.id.btn_add_friend);
   btnCancleAttention.setText("取消关注");
   
   Button btnFeedBack=(Button) menuView.findViewById(R.id.btn_feed_back);
   btnFeedBack.setVisibility(View.GONE);
   
   btnAddAttention.setOnClickListener(this);
   btnCancleAttention.setOnClickListener(this);
   
   menuView.setOnClickListener(new OnClickListener() {
    
    @Override
    public void onClick(View v) {
     // TODO Auto-generated method stub
     pw.dismiss();
    }
   });
//   pw.setHeight(height)//设置屏幕大小的高度
   pw.setBackgroundDrawable(getResources().getDrawable(R.drawable.icon_popup_backgroud));
   pw.setOutsideTouchable(false);
   pw.setFocusable(true);
   pw.showAsDropDown(menuView);
   pw.update();
   
   
   
     
   
   
   break;

  case R.id.btn_add_friend:
   Toast.makeText(getApplicationContext(), "取消关注", 0).show();
   break;
  case R.id.btn_public_car:
   Toast.makeText(getApplicationContext(), "添加关注", 0).show();
   break;
  }
  
 }
   
}

 

 

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical"
   
    >

    <LinearLayout
        android:id="@+id/popup_layout"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:background="#ffffff"
        android:orientation="vertical"
        android:paddingBottom="40dp">

        <Button
            android:id="@+id/btn_public_car"
            android:layout_width="fill_parent"
            android:layout_height="45dp"
            android:layout_marginLeft="20dp"
            android:layout_marginRight="20dp"
            android:layout_marginTop="30dp"
            android:background="@drawable/orange_roundbtn_selector"
            android:text="发布车辆"
            android:textColor="@color/white"
            android:textSize="18sp" />

        <Button
            android:id="@+id/btn_add_friend"
            android:layout_width="fill_parent"
            android:layout_height="45dp"
            android:layout_marginLeft="20dp"
            android:layout_marginRight="20dp"
            android:layout_marginTop="10dp"
            android:background="@drawable/orange_roundbtn_selector"
            android:text="添加好友"
            android:textColor="@color/white"
            android:textSize="17sp" />

        <Button
            android:id="@+id/btn_feed_back"
            android:layout_width="fill_parent"
            android:layout_height="45dp"
            android:layout_marginLeft="20dp"
            android:layout_marginRight="20dp"
            android:layout_marginTop="10dp"
            android:background="@drawable/orange_roundbtn_selector"
            android:text="意见反馈"
            android:textColor="@color/white"
            android:textSize="17sp" />

    </LinearLayout>

</RelativeLayout>

 

 

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <!-- 普通按钮的选择器 用于界面上按下前是橘色,按下后是暗橘色的按钮 -->
    <item android:drawable="@drawable/icon_orange_dark_button" android:state_pressed="true"></item>
    <item android:drawable="@drawable/icon_orange_dark_button" android:state_enabled="false"></item>
    <item android:drawable="@drawable/icon_orange_button"></item>

</selector>