ConfirmCancelDialogUtil【确认取消对话框封装类】

package com.why.project.confirmcanceldialogutildemo.dialog;

import android.content.Context;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v4.content.ContextCompat;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.TextView;

import com.why.project.confirmcanceldialogutildemo.R;


/**
 * Created by HaiyuKing
 * Used 确认取消对话框样式【含有标题、左右按钮（同时适用于一个按钮）】
 */

public class ConfirmCancelUtilDialog extends DialogFragment {

    private static final String TAG = "ConfirmCancelDialog";
    /**View实例*/
    private View myView;
    /**context实例*/
    private Context mContext;
    /**标记：用来代表是从哪个界面打开的这个对话框*/
    private String mTag;

    /**设置对话框内容和样式的监听器（标题、内容、按钮样式，包括控制隐藏）*/
    private DialogSetListener mDialogSetListener;
    /**三个按钮的点击事件监听器*/
    private DialogClickListener mDialogClickListener;

    public static ConfirmCancelUtilDialog getInstance(Context mContext, DialogSetListener mDialogSetListener){
        ConfirmCancelUtilDialog dialog = new ConfirmCancelUtilDialog();
        dialog.mContext = mContext;
        dialog.mDialogSetListener = mDialogSetListener;

        return dialog;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setStyle(DialogFragment.STYLE_NORMAL, android.R.style.Theme_NoTitleBar_Fullscreen);//全屏
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        getDialog().getWindow().setBackgroundDrawable(new ColorDrawable(Color.parseColor("#80000000")));//设置背景为半透明，并且没有标题
        getDialog().requestWindowFeature(Window.FEATURE_NO_TITLE);// 去掉标题栏
        //设置窗体全屏
        getDialog().getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);

        myView = inflater.inflate(R.layout.dialog_confirm_cancel_util, container, false);
        return myView;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onActivityCreated(savedInstanceState);
        //初始化控件以及设置初始数据和监听事件
        initView();
    }

    /**
     * 设置宽度和高度值，以及打开的动画效果
     */
    @Override
    public void onStart() {
        super.onStart();

        //设置对话框的宽高，必须在onStart中
//        Window window = this.getDialog().getWindow();
//        window.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);//全屏（盖住状态栏）
//        window.setGravity(Gravity.BOTTOM);//设置在底部
        //打开的动画效果--缩放+渐隐

        //设置对话框的宽高，必须在onStart中
        DisplayMetrics metrics = new DisplayMetrics();
        this.getActivity().getWindowManager().getDefaultDisplay().getMetrics(metrics);
        Window window = this.getDialog().getWindow();
        window.setLayout(metrics.widthPixels, metrics.heightPixels - getStatusBarHeight(mContext));
        window.setGravity(Gravity.BOTTOM);//设置在底部
        //打开的动画效果--缩放+渐隐
    }

    /**获取状态栏的高度*/
    private int getStatusBarHeight(Context context) {
        int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android");
        return context.getResources().getDimensionPixelSize(resourceId);
    }

    /**实例化控件*/
    @SuppressWarnings("deprecation")
    private void initView() {

        TextView title = (TextView)myView.findViewById(R.id.title);//标题
        TextView message = (TextView)myView.findViewById(R.id.message);//内容
        Button leftBtn = (Button)myView.findViewById(R.id.cancel);//左侧按钮
        Button rightBtn = (Button)myView.findViewById(R.id.confirm);//右侧按钮

        //==========================初始展现==========================
        if(mDialogSetListener != null){
            mDialogSetListener.setDialog(title, message, leftBtn, rightBtn);
        }

        //如果左侧按钮不存在，则右侧按钮占满并且底色为蓝色、文字颜色为白色
        if(leftBtn.getVisibility() == View.GONE) {
            rightBtn.setBackgroundDrawable(ContextCompat.getDrawable(mContext,R.drawable.dialog_confirm_cancel_util_btnlayout_bg));
            rightBtn.setTextColor(mContext.getResources().getColor(R.color.confirm_cancel_util_dialog_btn_left_text_color));
        }
        //如果右侧按钮不存在，则左侧按钮占满并且底色为蓝色、文字颜色为白色
        if(rightBtn.getVisibility() == View.GONE) {
            leftBtn.setBackgroundDrawable(ContextCompat.getDrawable(mContext,R.drawable.dialog_confirm_cancel_util_btnlayout_bg));
            leftBtn.setTextColor(mContext.getResources().getColor(R.color.confirm_cancel_util_dialog_btn_left_text_color));
        }

        mTag = this.getTag();
        Log.e(TAG, "mTag====="+mTag);

        //==========================初始化监听事件==========================
        leftBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(mDialogClickListener != null){
                    mDialogClickListener.leftClickListener();
                }
                dismiss();//关闭对话框，自动执行onDismiss中的方法
            }
        });

        rightBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(mDialogClickListener != null){
                    mDialogClickListener.rightClickListener();
                }
                dismiss();//关闭对话框，自动执行onDismiss中的方法
            }
        });

    }

    /**设置对话框内容和样式的监听器（标题、内容、按钮样式，包括控制隐藏）*/
    public static abstract interface DialogSetListener
    {
        /**设置标题、内容、按钮的文本以及按钮的显示隐藏
         * @param title - 标题控件【默认“提示”】
         * @param message - 内容控件【默认空白】
         * @param leftBtn - 左侧按钮控件【默认“取消”】
         * @param rightBtn - 右侧按钮控件【默认“确定”】*/
        public abstract void setDialog(TextView title, TextView message, Button leftBtn, Button rightBtn);
    }

    public void setDialogSetListener(DialogSetListener dialogSetListener) {
        mDialogSetListener = dialogSetListener;
    }

    /**三个按钮的点击事件监听器*/
    public static abstract interface DialogClickListener
    {
        /**左侧按钮*/
        public abstract void leftClickListener();
        /**右侧按钮*/
        public abstract void rightClickListener();
    }

    public void setDialogClickListener(DialogClickListener dialogClickListener) {
        mDialogClickListener = dialogClickListener;
    }
}

<?xml version="1.0" encoding="utf-8"?>
<!-- 确认对话框样式【含有标题、左右两个按钮】布局文件 -->
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/comfirmdialog_view"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@android:color/transparent"
    android:gravity="center">

    <RelativeLayout
        android:id="@+id/relativeLayout"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="@dimen/confirm_cancel_util_dialog_margin"
        android:layout_marginRight="@dimen/confirm_cancel_util_dialog_margin"
        android:background="@drawable/dialog_confirm_cancel_util_bg" >
        <!-- 标题 -->
        <TextView
            android:id="@+id/title"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:text="@string/confirm_cancel_title"
            android:textColor="@color/confirm_cancel_util_dialog_title_color"
            android:textSize="@dimen/confirm_cancel_util_dialog_title_text_size"
            android:paddingTop="@dimen/confirm_cancel_util_dialog_title_padding"/>

        <!-- 内容 -->
        <TextView
            android:id="@+id/message"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@id/title"
            android:gravity="left"
            android:textColor="@color/confirm_cancel_util_dialog_message_color"
            android:text=""
            android:textSize="@dimen/confirm_cancel_util_dialog_message_text_size"
            android:paddingTop="@dimen/confirm_cancel_util_dialog_message_padding"
            android:paddingBottom="@dimen/confirm_cancel_util_dialog_message_padding"
            android:paddingLeft="@dimen/confirm_cancel_util_dialog_delever_margin"
            android:paddingRight="@dimen/confirm_cancel_util_dialog_delever_margin"/>
        <!-- 底部按钮区域 -->
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@id/message"
            android:orientation="horizontal"
            android:background="@android:color/transparent" >
            <!-- 取消按钮 -->
            <Button
                android:id="@+id/cancel"
                android:layout_width="0.0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@drawable/dialog_confirm_cancel_util_left_btn_bg"
                android:gravity="center"
                android:text="@string/confirm_cancel_left_btn"
                android:textColor="@color/confirm_cancel_util_dialog_btn_left_text_color"
                android:textSize="@dimen/confirm_cancel_util_dialog_btn_text_size"
                android:paddingTop="@dimen/confirm_cancel_util_dialog_title_padding"
                android:paddingBottom="@dimen/confirm_cancel_util_dialog_title_padding" />

            <!-- 确定按钮 -->
            <Button
                android:id="@+id/confirm"
                android:layout_width="0.0dip"
                android:layout_height="wrap_content"
                android:layout_weight="1.0"
                android:background="@drawable/dialog_confirm_cancel_util_right_btn_bg"
                android:gravity="center"
                android:text="@string/confirm_cancel_right_btn"
                android:textColor="@color/confirm_cancel_util_dialog_btn_right_text_color"
                android:textSize="@dimen/confirm_cancel_util_dialog_btn_text_size"
                android:paddingTop="@dimen/confirm_cancel_util_dialog_title_padding"
                android:paddingBottom="@dimen/confirm_cancel_util_dialog_title_padding" />
        </LinearLayout>
    </RelativeLayout>

</RelativeLayout>