xamarin.android 实现 Activity 底部弹出对话框菜单

Resources/drawable 下新增如下文件：

push_bottom_in.xml

<?xml version="1.0" encoding="utf-8" ?>

<!-- 上下滑入式 -->

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

  <translate

      android:duration=""

      android:fromYDelta="100%p"

      android:toYDelta=""

     />

</set>

push_buttom_out.xml

<?xml version="1.0" encoding="utf-8" ?>

<!-- 上下滑出式 -->

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

  <translate

      android:duration=""

      android:fromYDelta=""

      android:toYDelta="98%p" />

</set>

在 values/Styles.xml 新增如下样式

  <style name="AnimBottom" parent="@android:style/Animation">

    <item name="android:windowEnterAnimation">@drawable/push_bottom_in</item>

    <item name="android:windowExitAnimation">@drawable/push_buttom_out</item>

  </style>

  <style name="MyDialogStyleBottom" parent="android:Theme.Holo.DialogWhenLarge">

    <item name="android:windowAnimationStyle">@style/AnimBottom</item>

    <item name="android:windowFrame">@null</item>

    <!-- 边框 -->

    <item name="android:windowIsFloating">true</item>

    <!-- 是否浮现在activity之上 -->

    <item name="android:windowIsTranslucent">true</item>

    <!-- 半透明 -->

    <item name="android:windowNoTitle">true</item>

    <!-- 无标题 -->

    <item name="android:windowBackground">@android:color/transparent</item>

    <!-- 背景透明 -->

    <item name="android:backgroundDimEnabled">true</item>

    <!-- 模糊 -->

  </style>

新增如下文件 Resources/layout/LoginMenuPopupWindow.axml

<?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="wrap_content"

    android:gravity="center_horizontal"

    android:orientation="vertical">

    <LinearLayout

        android:id="@+id/pop_layout"

        android:layout_height="wrap_content"

        android:gravity="center_horizontal"

        android:orientation="vertical"

        android:layout_alignParentBottom="true"

        android:background="#EEE"

        android:layout_width="match_parent">

        <Button

            android:id="@+id/btn_smsloginauthentication_loginmenupopupwindow"

            android:layout_width="fill_parent"

            android:layout_height="wrap_content"

            android:text="通过短信验证登陆"

            android:background="@drawable/v_line"

            android:textColor="@color/fonts_color" />

        <Button

            android:id="@+id/btn_changepassword_loginmenupopupwindow"

            android:layout_width="fill_parent"

            android:layout_height="wrap_content"

            android:text="修改密码"

            android:background="@drawable/v_line"

            android:textColor="@color/fonts_color" />

        <Button

            android:id="@+id/btn_cancel"

            android:layout_marginTop="10dip"

            android:layout_width="fill_parent"

            android:layout_height="wrap_content"

            android:text="取消"

            android:textColor="@color/fonts_color"

            android:background="@drawable/top_line" />

    </LinearLayout>

</RelativeLayout>

对应的Activity 代码 LoginMenuPopupWindow.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using Android.App;

using Android.Content;

using Android.OS;

using Android.Runtime;

using Android.Views;

using Android.Widget;

using static Android.Views.View;

namespace Dorid

{

    [Activity(Theme = "@style/MyDialogStyleBottom")]

    public class LoginMenuPopupWindow : Activity, IOnClickListener

    {

        protected override void OnCreate(Bundle savedInstanceState)

        {

            base.OnCreate(savedInstanceState);

            SetContentView(Resource.Layout.LoginMenuPopupWindow);

            var windowManager = WindowManager;

            var windowManagerLayoutParams = Window.Attributes;

            var displayMetrics = new Android.Util.DisplayMetrics();

            windowManager.DefaultDisplay.GetMetrics(displayMetrics);

            windowManagerLayoutParams.Width = (int)(displayMetrics.WidthPixels * ); // 宽度设置

            Window.Attributes = windowManagerLayoutParams;

            var btn_cancel = FindViewById<Button>(Resource.Id.btn_cancel);

            var btn_changepassword = FindViewById<Button>(Resource.Id.btn_changepassword_loginmenupopupwindow);

            var btn_smsloginauthentication = FindViewById<Button>(Resource.Id.btn_smsloginauthentication_loginmenupopupwindow);

            btn_cancel.SetOnClickListener(this);

            btn_changepassword.SetOnClickListener(this);

            btn_smsloginauthentication.SetOnClickListener(this);

            // Create your application here

        }

        public void OnClick(View v)

        {

            Intent intent = new Intent();

            switch (v.Id)

            {

                case Resource.Id.btn_smsloginauthentication_loginmenupopupwindow:

                    intent.PutExtra("Type", "SmsLogin");

                    SetResult(Result.Ok, intent);

                    break;

                case Resource.Id.btn_changepassword_loginmenupopupwindow:

                    intent.PutExtra("Type", "ChangePassword");

                    SetResult(Result.Ok, intent);

                    break;

                case Resource.Id.btn_cancel:

                default: break;

            }

            Finish();

        }

        public override bool OnTouchEvent(MotionEvent e)

        {

            Finish();

            return base.OnTouchEvent(e);

        }

    }

}

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xamarin.android 实现 Activity 底部弹出对话框菜单

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