分享一个圆角自定义的漂亮AlertDialog

转载：http://www.cnblogs.com/eustoma/p/3937099.html

分享一个圆角自定义的漂亮AlertDialog

 

\res\drawable-hdpi\bg_title_custom_dialog.xml:

xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item><shape>
            <gradient android:angle="270" android:endColor="#e1e1e1" android:startColor="#e1e1e1" />
            <corners android:topLeftRadius="15dp" android:topRightRadius="15dp" />
    shape>item>
selector>

\res\drawable-hdpi\bg_middle_custom_dialog.xml:

xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item><shape>
            <gradient android:angle="270" android:endColor="#f5f5f5" android:startColor="#f5f5f5" />
    shape>item>
selector>

\res\drawable-hdpi\bg_bottom_custom_dialog.xml:

xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item><shape>
            <gradient android:angle="270" android:endColor="#e1e1e1" android:startColor="#e1e1e1" />
            <corners android:bottomLeftRadius="15dp" android:bottomRightRadius="15dp" />
    shape>item>
selector>

\res\drawable-hdpi\bbuton_info_rounded.xml:

xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:state_pressed="true"><shape>
            <solid android:color="@color/bbutton_info_pressed" />
            <stroke android:width="1dp" android:color="@color/bbutton_info_edge" />
            <corners android:radius="@dimen/bbuton_rounded_corner_radius"/>
        shape>item>
            
    <item android:state_enabled="false"><shape>
        <solid android:color="@color/bbutton_info_disabled" />
            <stroke android:width="1dp" android:color="@color/bbutton_info_disabled_edge" />
            <corners android:radius="@dimen/bbuton_rounded_corner_radius"/>
        shape>item>
        
    
    <item><shape>
            <solid android:color="@color/bbutton_info" />
            <stroke android:width="1dp" android:color="@color/bbutton_info_edge" />
            <corners android:radius="@dimen/bbuton_rounded_corner_radius"/>
        shape>item>

selector>

\res\drawable-hdpi\bbuton_danger_rounded.xml:

xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:state_pressed="true"><shape>
            <solid android:color="@color/bbutton_danger_pressed" />
            <stroke android:width="1dp" android:color="@color/bbutton_danger_edge" />
            <corners android:radius="@dimen/bbuton_rounded_corner_radius"/>
        shape>item>
        
    
    <item android:state_enabled="false"><shape>
        <solid android:color="@color/bbutton_danger_disabled" />
            <stroke android:width="1dp" android:color="@color/bbutton_danger_disabled_edge" />
            <corners android:radius="@dimen/bbuton_rounded_corner_radius"/>
        shape>item>
        

    <item><shape>
            <solid android:color="@color/bbutton_danger" />
            <stroke android:width="1dp" android:color="@color/bbutton_danger_edge" />
            <corners android:radius="@dimen/bbuton_rounded_corner_radius"/>
        shape>item>
    
        
selector>

\res\layout\custom_dialog_layout.xml:

xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:minWidth="280dip"
    android:orientation="vertical"
    android:background="@null">

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/bg_title_custom_dialog"
        android:paddingTop="10dip"
        android:paddingBottom="10dip"
        android:orientation="horizontal" >
        <ImageView 
            android:layout_width="32dp"
            android:layout_height="32dp"
            android:layout_gravity="center_vertical"
            android:layout_marginLeft="10dip"
            android:src="@drawable/ic_expand"
            android:contentDescription="@string/line"/>
        <TextView
            android:id="@+id/title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical"
            android:layout_marginLeft="8dip"
            android:textSize="16sp"
            />
    LinearLayout>

    <LinearLayout
        android:id="@+id/content"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:minHeight="100dip"
        android:background="@drawable/bg_middle_custom_dialog"
        android:orientation="vertical" 
        android:gravity="center">

        <TextView
            android:id="@+id/message"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dip" 
            android:textSize="16sp"
            android:textColor="#FF000000"/>
    LinearLayout>

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:paddingTop="5dip"
        android:paddingBottom="5dip"
        android:paddingLeft="5dip"
        android:paddingRight="5dip"
        android:background="@drawable/bg_bottom_custom_dialog"
        android:orientation="horizontal" >

        <Button
            android:id="@+id/positiveButton"
            android:layout_width="0dip"
            android:layout_height="wrap_content"
            android:background="@drawable/bbuton_info_rounded"
            android:textColor="@color/bg_white"
            android:layout_weight="1"
            android:singleLine="true" />

        <Button
            android:id="@+id/negativeButton"
            android:layout_width="0dip"
            android:layout_height="wrap_content"
            android:background="@drawable/bbuton_danger_rounded"
            android:layout_marginLeft="3dip"
            android:textColor="@color/bg_white"
            android:layout_weight="1"
            android:singleLine="true" />
    LinearLayout>

LinearLayout>

\res\layout\activity_main.xml:

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CustomDialog.java:

package  com.example.test;

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;

/**
 *
 * Create custom Dialog windows for your application
 * Custom dialogs rely on custom layouts wich allow you to
 * create and use your own look & feel.
 *
 * Under GPL v3 : http://www.gnu.org/licenses/gpl-3.0.html
 *
 * @author antoine vianey
 *
 */
public  class  CustomDialog  extends  Dialog {

    public  CustomDialog(Context context,  int  theme) {
        super (context, theme);
    }

    public  CustomDialog(Context context) {
        super (context);
    }

    /**
     * Helper class for creating a custom dialog
     */
    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, negativeButtonClickListener;

        public  Builder(Context context) {
            this .context = context;
        }

        /**
         * Set the Dialog message from String
         * @param title
         * @return
         */
        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 ;
        }

        /**
         * Set a custom content view for the Dialog.
         * If a message is set, the contentView is not
         * added to the Dialog...
         * @param v
         * @return
         */
        public  Builder setContentView(View v) {
            this .contentView = v;
            return  this ;
        }

        /**
         * Set the positive button resource and it's listener
         * @param positiveButtonText
         * @param listener
         * @return
         */
        public  Builder setPositiveButton( int  positiveButtonText, DialogInterface.OnClickListener listener) {
            this .positiveButtonText = (String) context.getText(positiveButtonText);
            this .positiveButtonClickListener = listener;
            return  this ;
        }

        /**
         * Set the positive button text and it's listener
         * @param positiveButtonText
         * @param listener
         * @return
         */
        public  Builder setPositiveButton(String positiveButtonText, DialogInterface.OnClickListener listener) {
            this .positiveButtonText = positiveButtonText;
            this .positiveButtonClickListener = listener;
            return  this ;
        }

        /**
         * Set the negative button resource and it's listener
         * @param negativeButtonText
         * @param listener
         * @return
         */
        public  Builder setNegativeButton( int  negativeButtonText, DialogInterface.OnClickListener listener) {
            this .negativeButtonText = (String) context.getText(negativeButtonText);
            this .negativeButtonClickListener = listener;
            return  this ;
        }

        /**
         * Set the negative button text and it's listener
         * @param negativeButtonText
         * @param listener
         * @return
         */
        public  Builder setNegativeButton(String negativeButtonText, DialogInterface.OnClickListener listener) {
            this .negativeButtonText = negativeButtonText;
            this .negativeButtonClickListener = listener;
            return  this ;
        }

        /**
         * Create the custom dialog
         */
        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);
            dialog.setCanceledOnTouchOutside( false );
            View layout = inflater.inflate(R.layout.custom_dialog_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.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
            }
            dialog.setContentView(layout);
            return  dialog;
        }

    }

}

　　MainActivity.java:

package  com.example.test;

import  android.os.Bundle;
import  android.app.Activity;
import  android.app.Dialog;
import  android.content.DialogInterface;
import  android.view.Menu;
import  android.view.View;
import  android.view.View.OnClickListener;

public  class  MainActivity  extends  Activity {
    private  CustomDialog dialog;
    @Override
    protected  void  onCreate(Bundle savedInstanceState) {
        super .onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        findViewById(R.id.button1).setOnClickListener( new  OnClickListener(){

            @Override
            public  void  onClick(View arg0) {
                // TODO Auto-generated method stub
                CustomDialog.Builder customBuilder =  new
                        CustomDialog.Builder(MainActivity. this );
                    customBuilder.setTitle( "标题" )
                        .setMessage( "提示内容" )
                        .setNegativeButton( "取消" ,  new  DialogInterface.OnClickListener() {
                            public  void  onClick(DialogInterface dialog,  int  which) {

                            }
                        })
                        .setPositiveButton( "确定" ,
                                new  DialogInterface.OnClickListener() {
                            public  void  onClick(DialogInterface dialog,  int  which) {
                                dialog.dismiss();
                            }
                        });
                    dialog = customBuilder.create();
                    dialog.show();
            }

        });
    }

    @Override
    public  boolean  onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return  true ;
    }

}

　　

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