本文
http://afra55.github.io/2016/12/22/normal-dialog/
图示
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();