• Android 底部弹窗实现


    文章:https://www.jianshu.com/p/366aaa3efa2a (translate)讲解

              https://blog.csdn.net/zhangqunshuai/article/details/80858219

    1、效果图

    实现

    1、底部弹窗的布局 (dialog.xml)

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

    <TextView
    android:id="@+id/tv_take_photo"
    android:layout_width="match_parent"
    android:layout_height="50dp"
    android:gravity="center"
    android:text="拍摄"
    android:textColor="@android:color/background_dark"
    android:textSize="16sp" />

    <View
    android:layout_width="match_parent"
    android:layout_height="1dp"
    android:background="@android:color/darker_gray" />

    <TextView
    android:id="@+id/tv_take_pic"
    android:layout_width="match_parent"
    android:layout_height="50dp"
    android:gravity="center"
    android:text="相册选择"
    android:textColor="@android:color/background_dark"
    android:textSize="16sp" />

    <View
    android:layout_width="match_parent"
    android:layout_height="5dp"
    android:background="@android:color/darker_gray" />

    <TextView
    android:id="@+id/tv_cancel"
    android:layout_width="match_parent"
    android:layout_height="50dp"
    android:gravity="center"
    android:text="取消"
    android:textColor="@android:color/background_dark"
    android:textSize="16sp" />

    </LinearLayout>

    2、设置弹出、退出动画

    一、在res文件资源目录新建anim文件
    二、在anim下新建布局文件

    1、进场动画
        dialog_in_anim.xml
    <?xml version="1.0" encoding="utf-8"?>
    <set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate
    android:duration="300" //动画执行时间
    android:fromXDelta="0"
    android:fromYDelta="1000" //从下方弹出
    android:toXDelta="0"
    android:toYDelta="0" />

    </set>
      1、退场动画
       dialog_out_anim.xml
    <?xml version="1.0" encoding="utf-8"?>
    <set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate
    android:duration="300"
    android:fromXDelta="0"
    android:fromYDelta="0"
    android:toXDelta="0"
    android:toYDelta="1000"//回到屏幕外
    />

    </set>
    3、style 样式
    <style name="DialogTheme" parent="@android:style/Theme.Dialog">
    <!-- 边框 -->
    <item name="android:windowFrame">@null</item>
    <!-- 是否浮现在activity之上 -->
    <item name="android:windowIsFloating">true</item>
    <!-- 半透明 -->
    <item name="android:windowIsTranslucent">true</item>
    <!-- 无标题 -->
    <item name="android:windowNoTitle">true</item>
    <item name="android:background">@android:color/transparent</item>
    <!-- 背景透明 -->
    <item name="android:windowBackground">@android:color/transparent</item>
    <!-- 模糊 -->
    <item name="android:backgroundDimEnabled">true</item>
    <!-- 遮罩层 -->
    <item name="android:backgroundDimAmount">0.5</item>
    </style>

    <!-- dialog的动画 -->
    <style name="main_menu_animStyle">
    <item name="android:windowEnterAnimation">@anim/dialog_in_anim</item>
    <item name="android:windowExitAnimation">@anim/dialog_out_anim</item>
    </style>

    实现方法

     mainActivity.xml:

    private void showBottomDialog() {
    //1、使用Dialog、设置style
    final Dialog dialog = new Dialog(this, R.style.DialogTheme);
    //2、设置布局
    View view = View.inflate(this, R.layout.dialog, null);
    dialog.setContentView(view);

    Window window = dialog.getWindow();
    //设置弹出位置
    window.setGravity(Gravity.BOTTOM);
    //设置弹出动画
    window.setWindowAnimations(R.style.main_menu_animStyle);
    //设置对话框大小
    window.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
    dialog.show();

    dialog.findViewById(R.id.tv_take_photo).setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
    dialog.dismiss();
    }
    });

    dialog.findViewById(R.id.tv_take_pic).setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
    dialog.dismiss();
    }
    });

    dialog.findViewById(R.id.tv_cancel).setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
    dialog.dismiss();
    }
    });

    }
    完成




    也可以封装成方法:
    showBottomDialog.class:
    public class showBottomDialog {
    private View view;
    public void BottomDialog(Context context) {
    //1、使用Dialog、设置style
    final Dialog dialog = new Dialog(context, R.style.DialogTheme);
    //2、设置布局
    view = View.inflate(context, R.layout.dialog, null);
    dialog.setContentView(view);

    Window window = dialog.getWindow();
    //设置弹出位置
    window.setGravity(Gravity.BOTTOM);
    //设置弹出动画
    window.setWindowAnimations(R.style.main_menu_animStyle);
    //设置对话框大小
    window.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
    dialog.show();

    dialog.findViewById(R.id.tv_take_photo).setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
    dialog.dismiss();
    }
    });

    dialog.findViewById(R.id.tv_take_pic).setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
    dialog.dismiss();
    }
    });

    dialog.findViewById(R.id.tv_cancel).setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
    dialog.dismiss();
    }
    });
    }
    }

    使用

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  • 原文地址:https://www.cnblogs.com/guochangxin/p/11457537.html
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