自定义 Dialog

来源：互联网发布：hadoop java 统计订单编辑：程序博客网时间：2024/06/05 20:47

本文

http://afra55.github.io/2016/12/22/normal-dialog/

图示

NormalDialog

前情提要

使用的是设计模式中的 Builder 模式。
自定义的布局必须包含四个控件：

标题 TextView : android:tag=”title”
内容 TextView : android:tag=”content”
取消按钮 Button : android:tag=”cancel”
确定按钮 Button : android:tag=”confirm”

Code - NormalDialog

import android.app.Dialog;import android.content.Context;import android.content.DialogInterface;import android.graphics.drawable.ColorDrawable;import android.text.TextUtils;import android.text.method.ScrollingMovementMethod;import android.util.DisplayMetrics;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;/** * Created by Victor Yang on 2016/12/21 0021. * NormalDialog. */public class NormalDialog extends Dialog {    public static Builder getBuilder(Context context) {        return new Builder(context);    }    public NormalDialog(Context context) {        super(context);    }    public NormalDialog(Context context, int themeResId) {        super(context, themeResId);    }    protected NormalDialog(Context context, boolean cancelable, OnCancelListener cancelListener) {        super(context, cancelable, cancelListener);    }    public static class Builder {        private Context mContext;        private View mCustomContentView;        private String mTitleString;        private String mContentString;        private String mConfirmBtnString;        private String mCancelBtnString;        private boolean cancelable = true;        private DialogInterface.OnClickListener mConfirmClickListener;        private DialogInterface.OnClickListener mCancelClickListener;        private int mMaxContentHeight;        private int mContentAutoLinkMask;        private int mContentLinkTextColor = -1;        public Builder(Context context) {            mContext = context;        }        /**         * 设置 自定义 dialog 布局。         * 这个布局至少要有四个控件：         * 标题 TextView : android:tag="title"         * 内容 TextView : android:tag="content"         * 取消按钮 Button : android:tag="cancel"         * 确定按钮 Button : android:tag="confirm"         *         * @param view View         * @return Builder         */        public Builder addContentView(View view) {            mCustomContentView = view;            return this;        }        public Builder setTitle(String title) {            mTitleString = title;            return this;        }        public Builder setContent(String contentString) {            mContentString = contentString;            return this;        }        public Builder setConfirmBtnString(String text) {            mConfirmBtnString = text;            return this;        }        public Builder setCancelBtnString(String text) {            mCancelBtnString = text;            return this;        }        public Builder setCancelable(boolean flag) {            cancelable = flag;            return this;        }        public Builder setConfirmClickListener(DialogInterface.OnClickListener clickListener) {            mConfirmClickListener = clickListener;            return this;        }        public Builder setCancelClickListener(DialogInterface.OnClickListener clickListener) {            mCancelClickListener = clickListener;            return this;        }        public Builder setMaxContentHeight(int height) {            mMaxContentHeight = height;            return this;        }        /**         * Sets the autolink mask of the text.  See {@link         * android.text.util.Linkify#ALL Linkify.ALL} and peers for         * possible values.         *         * @attr ref android.R.styleable#TextView_autoLink         */        public Builder setContentAutoLinkMask(int mask) {            mContentAutoLinkMask = mask;            return this;        }        public Builder setContentLinkTextColor(int color) {            mContentLinkTextColor = color;            return this;        }        public NormalDialog build() {            final NormalDialog dialog = new NormalDialog(mContext);            // 去除标题栏            dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);            dialog.setCancelable(cancelable);            // 设置 dialog 的背景为透明色，使得自定义布局的背景有效显示            ColorDrawable transparentDrawable =                    new ColorDrawable(mContext.getResources().getColor(android.R.color.transparent));            dialog.getWindow().setBackgroundDrawable(transparentDrawable);            View contentView = mCustomContentView;            if (contentView == null) {                LayoutInflater layoutInflater = (LayoutInflater) mContext                        .getSystemService(Context.LAYOUT_INFLATER_SERVICE);                contentView = layoutInflater.inflate(R.layout.normal_dialog_content, null);            }            dialog.addContentView(contentView,                    new ViewGroup.LayoutParams(                            ViewGroup.LayoutParams.MATCH_PARENT                            , ViewGroup.LayoutParams.MATCH_PARENT));            final TextView titleTv = (TextView) contentView.findViewWithTag("title");            final TextView contentTv = (TextView) contentView.findViewWithTag("content");            final Button confirmBtn = (Button) contentView.findViewWithTag("confirm");            final Button cancelBtn = (Button) contentView.findViewWithTag("cancel");            // 这里设置 内容 textView 的最大高度，避免内容过多挤掉其他控件            if (mMaxContentHeight == 0) {                contentTv.post(new Runnable() {                    @Override                    public void run() {                        DisplayMetrics outMetrics = getScreenHeightPixels(mContext);                        mMaxContentHeight = outMetrics.heightPixels                                - (titleTv.getHeight()                                + confirmBtn.getHeight()                                + cancelBtn.getHeight()) * 2;                        contentTv.setMaxHeight(mMaxContentHeight);                    }                });            } else {                contentTv.setMaxHeight(mMaxContentHeight);            }            // content textView 可以滚动显示            contentTv.setMovementMethod(ScrollingMovementMethod.getInstance());            if (mContentAutoLinkMask != 0) {                contentTv.setAutoLinkMask(mContentAutoLinkMask);            }            if (mContentLinkTextColor != -1) {                contentTv.setLinkTextColor(mContentLinkTextColor);            }            if (!TextUtils.isEmpty(mTitleString)) {                titleTv.setText(mTitleString);                titleTv.setVisibility(View.VISIBLE);            }            if (!TextUtils.isEmpty(mContentString)) {                contentTv.setText(mContentString);            }            if (!TextUtils.isEmpty(mConfirmBtnString)) {                confirmBtn.setText(mConfirmBtnString);            }            if (!TextUtils.isEmpty(mCancelBtnString)) {                cancelBtn.setText(mCancelBtnString);            }            confirmBtn.setOnClickListener(new View.OnClickListener() {                @Override                public void onClick(View v) {                    if (mConfirmClickListener != null) {                        mConfirmClickListener.onClick(dialog, DialogInterface.BUTTON_POSITIVE);                    }                    if (cancelable) {                        dialog.cancel();                    }                }            });            cancelBtn.setOnClickListener(new View.OnClickListener() {                @Override                public void onClick(View v) {                    if (mCancelClickListener != null) {                        mCancelClickListener.onClick(dialog, DialogInterface.BUTTON_NEGATIVE);                    }                    if (cancelable) {                        dialog.cancel();                    }                }            });            return dialog;        }    }    /**     * 公共方法，获取 屏幕信息     * @param mContext Context     * @return DisplayMetrics     */    public static DisplayMetrics getScreenHeightPixels(Context mContext) {        WindowManager windowManager = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);        DisplayMetrics outMetrics = new DisplayMetrics();        windowManager.getDefaultDisplay().getMetrics(outMetrics);        return outMetrics;    }}

Code - default_layout

<?xml version="1.0" encoding="utf-8"?><android.support.constraint.ConstraintLayout 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="wrap_content"    android:layout_height="wrap_content"    android:background="@drawable/normal_dialog_bg"    tools:context="com.nexttrucking.utils.ui.view.widget.NormalDialog">    <TextView        android:id="@+id/normal_dialog_title"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:gravity="center"        android:tag="title"        android:textColor="@color/text_black"        android:textSize="18sp"        android:layout_marginTop="32dp"        app:layout_goneMarginTop="32dp"        android:textStyle="bold"        app:layout_constraintLeft_toLeftOf="parent"        app:layout_constraintRight_toRightOf="parent"        app:layout_constraintTop_toTopOf="parent"        tools:text="Are you an owner operator?"        android:visibility="gone" />    <TextView        android:id="@+id/normal_dialog_content"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:padding="26dp"        android:gravity="center_horizontal"        android:tag="content"        android:textColor="@color/text_black"        android:textSize="18sp"        app:layout_constraintLeft_toLeftOf="parent"        app:layout_constraintRight_toRightOf="parent"        app:layout_constraintTop_toBottomOf="@+id/normal_dialog_title"        tools:text="You own and operate your own trucking business." />    <Button        android:id="@+id/normal_dialog_cancel_btn"        android:layout_width="203dp"        android:layout_height="50dp"        android:layout_marginBottom="40dp"        android:background="@drawable/fillet_button_normal_bg"        android:tag="cancel"        android:text="@string/no"        android:textColor="@color/button_text_yellow"        android:textSize="18sp"        android:textStyle="bold"        app:layout_constraintBottom_toBottomOf="parent"        app:layout_constraintLeft_toLeftOf="parent"        app:layout_constraintRight_toRightOf="parent" />    <Button        android:id="@+id/normal_dialog_confirm_btn"        android:layout_width="203dp"        android:layout_height="50dp"        android:layout_marginBottom="20dp"        android:background="@drawable/fillet_button_auto_change_bg"        android:tag="confirm"        android:text="@string/yes"        android:textColor="@color/button_text_white"        android:textSize="18sp"        android:textStyle="bold"        app:layout_constraintBottom_toTopOf="@+id/normal_dialog_cancel_btn"        app:layout_constraintLeft_toLeftOf="parent"        app:layout_constraintRight_toRightOf="parent"        android:layout_marginTop="8dp"        app:layout_constraintTop_toBottomOf="@+id/normal_dialog_content"        app:layout_constraintVertical_bias="1.0" /></android.support.constraint.ConstraintLayout>

使用简介

NormalDialog.getBuilder(getContext())                .setTitle("Hello")                .setContent("http://blog.csdn.net/yang786654260/article/details/44780593")                .setContentAutoLinkMask(Linkify.ALL)                .build()                .show();

0 0