【移动应用开发技术】Android中怎么实现一个IOS UIAlertView对话框

【移动应用开发技术】Android中怎么实现一个IOSUIAlertView对话框

Android中怎么实现一个IOSUIAlertView对话框？很多新手对此不是很清楚，为了帮助大家解决这个难题，下面在下将为大家详细讲解，有这方面需求的人可以来学习下，希望你能有所收获。CustomDialog使用代码:package

com.example.iosalertview;

import

android.app.Activity;

import

android.app.AlertDialog;

import

android.os.Bundle;

import

android.view.View;

import

android.view.View.OnClickListener;

import

android.widget.Button;

import

com.example.iosalertview.CustomDialog.Builder;

public

class

MainActivity

extends

Activity

implements

OnClickListener{

private

Button

ios_dialog_btn,android_dialog_btn;

@Override

protected

void

onCreate(Bundle

savedInstanceState)

{

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

ios_dialog_btn

=

(Button)

findViewById(R.id.ios_dialog_btn);

android_dialog_btn

=

(Button)

findViewById(R.id.android_dialog_btn);

ios_dialog_btn.setOnClickListener(this);

android_dialog_btn.setOnClickListener(this);

}

@Override

public

void

onClick(View

v)

{

switch

(v.getId())

{

case

R.id.ios_dialog_btn:

CustomDialog.Builder

builder

=

new

Builder(MainActivity.this);

builder.setTitle(R.mpt);

builder.setMessage(R.string.exit_app);

builder.setPositiveButton(R.string.confirm,

null);

builder.setNegativeButton(R.string.cancel,

null);

builder.create().show();

break;

case

R.id.android_dialog_btn:

AlertDialog.Builder

mbuilder

=

new

AlertDialog.Builder(MainActivity.this);

mbuilder.setTitle(R.mpt);

mbuilder.setMessage(R.string.exit_app);

mbuilder.setPositiveButton(R.string.confirm,

null);

mbuilder.setNegativeButton(R.string.cancel,

null);

mbuilder.create().show();

break;

default:

break;

}

}

}自定义CustomDialog代码:package

com.example.iosalertview;

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;

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;

//上下文对象

private

String

title;

//对话框标题

private

String

message;

//对话框内容

private

String

confirm_btnText;

//按钮名称“确定”

private

String

cancel_btnText;

//按钮名称“取消”

private

View

contentView;

//对话框中间加载的其他布局界面

/*按钮坚挺事件*/

private

DialogInterface.OnClickListener

confirm_btnClickListener;

private

DialogInterface.OnClickListener

cancel_btnClickListener;

public

Builder(Context

context)

{

this.context

=

context;

}

/*设置对话框信息*/

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;

}

/**

*

设置对话框界面

*

@param

v

View

*

@return

*/

public

Builder

setContentView(View

v)

{

this.contentView

=

v;

return

this;

}

/**

*

Set

the

positive

button

resource

and

it's

listener

*

*

@param

confirm_btnText

*

@return

*/

public

Builder

setPositiveButton(int

confirm_btnText,

DialogInterface.OnClickListener

listener)

{

this.confirm_btnText

=

(String)

context

.getText(confirm_btnText);

this.confirm_btnClickListener

=

listener;

return

this;

}

/**

*

Set

the

positive

button

and

it's

listener

*

*

@param

confirm_btnText

*

@return

*/

public

Builder

setPositiveButton(String

confirm_btnText,

DialogInterface.OnClickListener

listener)

{

this.confirm_btnText

=

confirm_btnText;

this.confirm_btnClickListener

=

listener;

return

this;

}

/**

*

Set

the

negative

button

resource

and

it's

listener

*

*

@param

confirm_btnText

*

@return

*/

public

Builder

setNegativeButton(int

cancel_btnText,

DialogInterface.OnClickListener

listener)

{

this.cancel_btnText

=

(String)

context

.getText(cancel_btnText);

this.cancel_btnClickListener

=

listener;

return

this;

}

/**

*

Set

the

negative

button

and

it's

listener

*

*

@param

confirm_btnText

*

@return

*/

public

Builder

setNegativeButton(String

cancel_btnText,

DialogInterface.OnClickListener

listener)

{

this.cancel_btnText

=

cancel_btnText;

this.cancel_btnClickListener

=

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.mystyle);

View

layout

=

inflater.inflate(R.layout.customdialog,

null);

dialog.addContentView(layout,

new

LayoutParams(

LayoutParams.MATCH_PARENT,

LayoutParams.WRAP_CONTENT));

//

set

the

dialog

title

((TextView)

layout.findViewById(R.id.title)).setText(title);

((TextView)

layout.findViewById(R.id.title)).getPaint().setFakeBoldText(true);;

//

set

the

confirm

button

if

(confirm_btnText

!=

null)

{

((Button)

layout.findViewById(R.id.confirm_btn))

.setText(confirm_btnText);

if

(confirm_btnClickListener

!=

null)

{

((Button)

layout.findViewById(R.id.confirm_btn))

.setOnClickListener(new

View.OnClickListener()

{

public

void

onClick(View

v)

{

confirm_btnClickListener.onClick(dialog,

DialogInterface.BUTTON_POSITIVE);

}

});

}

}

else

{

//

if

no

confirm

button

just

set

the

visibility

to

GONE

layout.findViewById(R.id.confirm_btn).setVisibility(

View.GONE);

}

//

set

the

cancel

button

if

(cancel_btnText

!=

null)

{

((Button)

layout.findViewById(R.id.cancel_btn))

.setText(cancel_btnText);

if

(cancel_btnClickListener

!=

null)

{

((Button)

layout.findViewById(R.id.cancel_btn))

.setOnClickListener(new

View.OnClickListener()

{

public

void

onClick(View

v)

{

cancel_btnClickListener.onClick(dialog,

DialogInterface.BUTTON_NEGATIVE);