android 拉起弹窗

比如 拉起支付选项
pay_method.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#e0e0e0"
    android:orientation="vertical">

    <TextView
        android:id="@+id/ali_pay"
        android:layout_width="match_parent"
        android:layout_height="42dp"
        android:background="@color/white"
        android:gravity="center"
        android:text="支付宝支付"
        android:textColor="#000"
        android:textSize="16sp" />

    <View
        android:layout_width="match_parent"
        android:layout_height="0.2dp"
        android:background="@color/white" />

    <TextView
        android:id="@+id/wechat_pay"
        android:layout_width="match_parent"
        android:layout_height="42dp"
        android:background="@color/white"
        android:gravity="center"
        android:text="微信支付"
        android:textColor="#000"
        android:textSize="16sp" />
    <TextView
        android:id="@+id/balance_pay"
        android:layout_width="match_parent"
        android:layout_height="42dp"
        android:background="@color/white"
        android:gravity="center"
        android:text="余额支付"
        android:textColor="#000"
        android:textSize="16sp" />
    <TextView
        android:id="@+id/tv_cancle"
        android:layout_width="match_parent"
        android:layout_height="42dp"
        android:layout_marginTop="8dp"
        android:background="@color/white"
        android:gravity="center"
        android:text="取消"
        android:textColor="#000"
        android:textSize="16sp" />

</LinearLayout>

    private Dialog  bottomDialog;
    private TextView ali_pay;
    private TextView wechat_pay;
    private TextView tv_cancle;
    private TextView balance_pay;
     @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_order_detail);
        bottomDialog = new Dialog(this,R.style.BottomDialog);


.setOnClickListener(new View.OnClickListener() {

                                        public void onClick(View v) {

                                            //展示支付选项

                                            View contentView = LayoutInflater.from(OrderDetailActivity.this).inflate(R.layout.pay_method, null);
                                            //获取Dialog的监听
                                            ali_pay = contentView.findViewById(R.id.ali_pay);
                                            wechat_pay = contentView.findViewById(R.id.wechat_pay);
                                            tv_cancle = contentView.findViewById(R.id.tv_cancle);
                                            balance_pay=contentView.findViewById(R.id.balance_pay);
                                            ali_pay.setOnClickListener(this);
                                            wechat_pay.setOnClickListener(this);
                                            tv_cancle.setOnClickListener(this);
                                            balance_pay.setOnClickListener(this);
                                            bottomDialog.setContentView(contentView);
                                            ViewGroup.LayoutParams layoutParams = contentView.getLayoutParams();
                                            layoutParams.width = getResources().getDisplayMetrics().widthPixels;
                                            contentView.setLayoutParams(layoutParams);
                                            bottomDialog.getWindow().setGravity(Gravity.BOTTOM);//弹窗位置
                                            bottomDialog.getWindow().setWindowAnimations(R.style.BottomDialog_Animation);//弹窗样式
                                            bottomDialog.show();//显示弹窗


                                            tv_cancle.setOnClickListener(new View.OnClickListener() {
                                                @Override
                                                public void onClick(View v) {
                                                    bottomDialog.dismiss();//取消弹窗
                                                }
                                            });




                                            wechat_pay.setOnClickListener(new View.OnClickListener() {
                                                @Override
                                                public void onClick(View v) {

                                                    bottomDialog.dismiss();//取消弹窗

                                                 }
                                            });
                                            balance_pay.setOnClickListener(new View.OnClickListener() {
                                                @Override
                                                public void onClick(final View v) {
                                                    /*****余额*****/
                                                  
                                                }
                                            });
                                            ali_pay.setOnClickListener(new View.OnClickListener() {
                                                @Override
                                                public void onClick(View v) {
                                              }
                                    });




        }