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:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".MainActivity" > <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/hello_world" /> <Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/textView1" android:layout_below="@+id/textView1" android:layout_marginLeft="22dp" android:layout_marginTop="18dp" android:text="Button" /> </RelativeLayout>
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
*
* <a href="http://my.oschina.net/arthor" target="_blank" rel="nofollow">@author</a> 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;
}
}