android自定义弹出框样式实现

前言：
做项目时，感觉android自带的弹出框样式比较丑，很多应用都是自己做的弹出框，这里也试着自己做了一个。

废话不说先上图片：

image.png

实现机制
1.先自定义一个弹出框的样式

2.自己实现CustomDialog类，继承自Dialog，实现里面方法，在里面加载自定义样式的弹出框；

3.使用时，与使用Dialog一样

具体代码
dialog_normal_layout.xml样式文件

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:clickable="true"
    android:orientation="vertical"
    android:padding="20.0dip" >
 
    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:background="@drawable/bg_bombbox"
        android:orientation="vertical" >
 
        <TextView
            android:id="@+id/title"
            style="@style/text_18_ffffff"
            android:layout_width="fill_parent"
            android:layout_height="40.0dip"
            android:gravity="center"
            android:text="@string/title_alert"
            android:visibility="visible" />
 
        <LinearLayout
            android:id="@+id/content"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:gravity="center" >
 
 
            <TextView
                android:id="@+id/message"
                style="@style/text_16_666666"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:gravity="left|center"
                android:lineSpacingMultiplier="1.5"
                android:minHeight="120.0dip"
                android:paddingBottom="15.0dip"
                android:paddingLeft="20.0dip"
                android:paddingRight="20.0dip"
                android:paddingTop="15.0dip" />
        </LinearLayout>
 
        <View
            android:layout_width="fill_parent"
            android:layout_height="1.0px"
            android:background="#ffd0d0d0" />
 
        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="60.0dip"
            android:layout_gravity="bottom"
            android:background="@drawable/dialog_bottom_bg"
            android:gravity="center"
            android:orientation="horizontal" >
 
            <Button
                android:id="@+id/positiveButton"
                style="@style/text_15_ffffff_sdw"
                android:layout_width="114.0dip"
                android:layout_height="40.0dip"
                android:background="@drawable/btn_ok_selector"
                android:gravity="center"
                android:text="@string/ok" />
 
            <Button
                android:id="@+id/negativeButton"
                style="@style/text_15_666666_sdw"
                android:layout_width="114.0dip"
                android:layout_height="40.0dip"
                android:layout_marginLeft="20.0dip"
                android:background="@drawable/btn_cancel_selector"
                android:gravity="center"
                android:text="@string/cancel" />
        </LinearLayout>
    </LinearLayout>
 
</FrameLayout>

其中引用的样式文件styles.xml

<?xml version="1.0" encoding="utf-8"?>
<resources xmlns:android="http://schemas.android.com/apk/res/android">
 
    <style name="AppBaseTheme" parent="android:Theme.Light"></style>
 
    <style name="AppTheme" parent="AppBaseTheme"></style>
 
    <style name="text_18_ffffff">
        <item name="android:textSize">18.0dip</item>
        <item name="android:textColor">#ffffffff</item>
    </style>
 
    <style name="text_16_666666">
        <item name="android:textSize">16.0dip</item>
        <item name="android:textColor">#ff666666</item>
    </style>
 
    <style name="sdw_white">
        <item name="android:shadowColor">#7fffffff</item>
        <item name="android:shadowDx">0.0</item>
        <item name="android:shadowDy">0.65</item>
        <item name="android:shadowRadius">1.0</item>
    </style>
 
    <style name="sdw_79351b">
        <item name="android:shadowColor">#ff79351b</item>
        <item name="android:shadowDx">0.0</item>
        <item name="android:shadowDy">1.0</item>
        <item name="android:shadowRadius">1.0</item>
    </style>
 
    <style name="text_15_ffffff_sdw" parent="@style/sdw_79351b">
        <item name="android:textSize">15.0dip</item>
        <item name="android:textColor">#ffffffff</item>
    </style>
 
    <style name="text_15_666666_sdw" parent="@style/sdw_white">
        <item name="android:textSize">15.0dip</item>
        <item name="android:textColor">#ff666666</item>
    </style>
 
    <style name="Dialog" parent="android:style/Theme.Dialog">
        <item name="android:background">#00000000</item>
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowNoTitle">true</item>
        <item name="android:windowIsFloating">true</item>
    </style>
 
</resources>

自定义Dialog的实现类CustomDialog

package com.dyr.custom;
 
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
 
import com.dyr.view.R;
 
public class CustomDialog extends Dialog {
 
    public CustomDialog(Context context) {
        super(context);
    }
 
    public CustomDialog(Context context, int theme) {
        super(context, theme);
    }
 
    public static class Builder {
        private Context context;
        private String title;
        private String message;
        private String positiveButtonText;
        private String negativeButtonText;
        private View contentView;
        private DialogInterface.OnClickListener positiveButtonClickListener;
        private DialogInterface.OnClickListener negativeButtonClickListener;
 
        public Builder(Context context) {
            this.context = context;
        }
 
        public Builder setMessage(String message) {
            this.message = message;
            return this;
        }
 
        /**
         * Set the Dialog message from resource
         * 
         * @param title
         * @return
         */
        public Builder setMessage(int message) {
            this.message = (String) context.getText(message);
            return this;
        }
 
        /**
         * Set the Dialog title from resource
         * 
         * @param title
         * @return
         */
        public Builder setTitle(int title) {
            this.title = (String) context.getText(title);
            return this;
        }
 
        /**
         * Set the Dialog title from String
         * 
         * @param title
         * @return
         */
 
        public Builder setTitle(String title) {
            this.title = title;
            return this;
        }
 
        public Builder setContentView(View v) {
            this.contentView = v;
            return this;
        }
 
        /**
         * Set the positive button resource and it's listener
         * 
         * @param positiveButtonText
         * @return
         */
        public Builder setPositiveButton(int positiveButtonText,
                DialogInterface.OnClickListener listener) {
            this.positiveButtonText = (String) context
                    .getText(positiveButtonText);
            this.positiveButtonClickListener = listener;
            return this;
        }
 
        public Builder setPositiveButton(String positiveButtonText,
                DialogInterface.OnClickListener listener) {
            this.positiveButtonText = positiveButtonText;
            this.positiveButtonClickListener = listener;
            return this;
        }
 
        public Builder setNegativeButton(int negativeButtonText,
                DialogInterface.OnClickListener listener) {
            this.negativeButtonText = (String) context
                    .getText(negativeButtonText);
            this.negativeButtonClickListener = listener;
            return this;
        }
 
        public Builder setNegativeButton(String negativeButtonText,
                DialogInterface.OnClickListener listener) {
            this.negativeButtonText = negativeButtonText;
            this.negativeButtonClickListener = listener;
            return this;
        }
 
        public CustomDialog create() {
            LayoutInflater inflater = (LayoutInflater) context
                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            // instantiate the dialog with the custom Theme
            final CustomDialog dialog = new CustomDialog(context,R.style.Dialog);
            View layout = inflater.inflate(R.layout.dialog_normal_layout, null);
            dialog.addContentView(layout, new LayoutParams(
                    LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
            // set the dialog title
            ((TextView) layout.findViewById(R.id.title)).setText(title);
            // set the confirm button
            if (positiveButtonText != null) {
                ((Button) layout.findViewById(R.id.positiveButton))
                        .setText(positiveButtonText);
                if (positiveButtonClickListener != null) {
                    ((Button) layout.findViewById(R.id.positiveButton))
                            .setOnClickListener(new View.OnClickListener() {
                                public void onClick(View v) {
                                    positiveButtonClickListener.onClick(dialog,
                                            DialogInterface.BUTTON_POSITIVE);
                                }
                            });
                }
            } else {
                // if no confirm button just set the visibility to GONE
                layout.findViewById(R.id.positiveButton).setVisibility(
                        View.GONE);
            }
            // set the cancel button
            if (negativeButtonText != null) {
                ((Button) layout.findViewById(R.id.negativeButton))
                        .setText(negativeButtonText);
                if (negativeButtonClickListener != null) {
                    ((Button) layout.findViewById(R.id.negativeButton))
                            .setOnClickListener(new View.OnClickListener() {
                                public void onClick(View v) {
                                    negativeButtonClickListener.onClick(dialog,
                                            DialogInterface.BUTTON_NEGATIVE);
                                }
                            });
                }
            } else {
                // if no confirm button just set the visibility to GONE
                layout.findViewById(R.id.negativeButton).setVisibility(
                        View.GONE);
            }
            // set the content message
            if (message != null) {
                ((TextView) layout.findViewById(R.id.message)).setText(message);
            } else if (contentView != null) {
                // if no message set
                // add the contentView to the dialog body
                ((LinearLayout) layout.findViewById(R.id.content))
                        .removeAllViews();
                ((LinearLayout) layout.findViewById(R.id.content))
                        .addView(contentView, new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.FILL_PARENT));
            }
            dialog.setContentView(layout);
            return dialog;
        }
    }
}

使用代码

CustomDialog.Builder builder = new CustomDialog.Builder(this);
        builder.setMessage("这个就是自定义的提示框");
        builder.setTitle("提示");
        builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int which) {
                dialog.dismiss();
                //设置你的操作事项
            }
        });
 
        builder.setNegativeButton("取消",
                new android.content.DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                    }
                });
 
        builder.create().show();

至此，自定义弹出框已经完成，是不是感觉很简单呢。

原文链接：https://blog.csdn.net/duanyanrui/article/details/8494767