仿IOS对话框

显示效果如下：

CustomDialog和系统原有AlertDialog使用效果对比:

<span style="font-size:18px;">package com.example.iosalertview;import android.app.Activity;import android.app.AlertDialog;import android.content.DialogInterface;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.Toast;public class MainActivity extends Activity implements OnClickListener{private Button single_uialertview;private Button single_alertdialog;private Button double_uialertview;private Button double_alertdialog;private Button three_uialertview;private Button three_alertdialog;private AlertDialog mAlertDialog;private CustomDialog mCustomDialog;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);single_uialertview = (Button) findViewById(R.id.single_uialertview);single_alertdialog = (Button) findViewById(R.id.single_alertdialog);double_uialertview = (Button) findViewById(R.id.double_uialertview);double_alertdialog = (Button) findViewById(R.id.double_alertdialog);three_uialertview = (Button) findViewById(R.id.three_uialertview);three_alertdialog = (Button) findViewById(R.id.three_alertdialog);single_uialertview.setOnClickListener(this);single_alertdialog.setOnClickListener(this);double_uialertview.setOnClickListener(this);double_alertdialog.setOnClickListener(this);three_uialertview.setOnClickListener(this);three_alertdialog.setOnClickListener(this);}@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.single_uialertview:mCustomDialog = new CustomDialog.Builder(MainActivity.this).setTitle(R.string.prompt).setMessage(R.string.exit_app).setPositiveButton(R.string.confirm, new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {// TODO Auto-generated method stubToast.makeText(getApplicationContext(), "点击确定", 0).show();mCustomDialog.dismiss();}}).create();//设置点击对话框外部区域是否可以取消mCustomDialog.setCancelable(true);mCustomDialog.show();break;case R.id.single_alertdialog:mAlertDialog = new AlertDialog.Builder(MainActivity.this).setTitle(R.string.prompt).setMessage(R.string.exit_app).setPositiveButton(R.string.confirm, null).create();mAlertDialog.show();break;case R.id.double_uialertview:mCustomDialog = new CustomDialog.Builder(MainActivity.this).setTitle(R.string.prompt).setMessage(R.string.exit_app).setPositiveButton(R.string.confirm, new DialogInterface.OnClickListener() {public void onClick(DialogInterface dialog, int which) {Toast.makeText(getApplicationContext(), "点击确定", 0).show();mCustomDialog.dismiss();}}).setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(getApplicationContext(), "点击取消", 0).show();mCustomDialog.dismiss();}}).create();//设置点击对话框外部区域是否可以取消mCustomDialog.setCancelable(false);mCustomDialog.show();break;case R.id.double_alertdialog:mAlertDialog = new AlertDialog.Builder(MainActivity.this).setTitle(R.string.prompt).setMessage(R.string.exit_app).setPositiveButton(R.string.confirm, null).setNegativeButton(R.string.cancel, null).create();mAlertDialog.show();break;case R.id.three_uialertview:mCustomDialog = new CustomDialog.Builder(MainActivity.this).setTitle(R.string.prompt).setMessage(R.string.exit_app).setPositiveButton(R.string.confirm, new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {// TODO Auto-generated method stubToast.makeText(getApplicationContext(), "点击确定", 0).show();mCustomDialog.dismiss();}}).setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {// TODO Auto-generated method stubToast.makeText(getApplicationContext(), "点击取消", 0).show();mCustomDialog.dismiss();}}).setNeutralButton(R.string.dismiss, new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {// TODO Auto-generated method stubToast.makeText(getApplicationContext(), "点击隐藏", 0).show();mCustomDialog.dismiss();}}).create();//设置点击对话框外部区域是否可以取消mCustomDialog.setCancelable(false);mCustomDialog.show();break;case R.id.three_alertdialog:mAlertDialog = new AlertDialog.Builder(MainActivity.this).setTitle(R.string.prompt).setMessage(R.string.exit_app).setPositiveButton(R.string.confirm, null).setNegativeButton(R.string.cancel, null).setNeutralButton(R.string.dismiss, null).create();mAlertDialog.show();break;default:break;}}}</span>

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.Gravity;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 String neutral_btnText; // 按钮名称“隐藏”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;private DialogInterface.OnClickListener neutral_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;}/** * Set the netural button resource and it's listener *  * @param confirm_btnText * @return */public Builder setNeutralButton(int neutral_btnText,DialogInterface.OnClickListener listener) {this.neutral_btnText = (String) context.getText(neutral_btnText);this.neutral_btnClickListener = listener;return this;}/** * Set the netural button and it's listener *  * @param confirm_btnText * @return */public Builder setNeutralButton(String neutral_btnText,DialogInterface.OnClickListener listener) {this.neutral_btnText = neutral_btnText;this.neutral_btnClickListener = listener;return this;}public CustomDialog create() {LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);// instantiate the dialog with the custom Themefinal 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);if (title == null || title.trim().length() == 0) {((TextView) layout.findViewById(R.id.message)).setGravity(Gravity.CENTER);}if (neutral_btnText != null && confirm_btnText != null&& cancel_btnText != null) {((Button) layout.findViewById(R.id.confirm_btn)).setText(confirm_btnText);if (neutral_btnClickListener != null) {((Button) layout.findViewById(R.id.neutral_btn)).setOnClickListener(new View.OnClickListener() {public void onClick(View v) {neutral_btnClickListener.onClick(dialog,DialogInterface.BUTTON_NEUTRAL);}});} else {((Button) layout.findViewById(R.id.neutral_btn)).setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {dialog.dismiss();}});}} else {// if no confirm button or cancle button or neutral just set the// visibility to GONElayout.findViewById(R.id.neutral_btn).setVisibility(View.GONE);layout.findViewById(R.id.single_line).setVisibility(View.GONE);}// set the confirm buttonif (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 {((Button) layout.findViewById(R.id.confirm_btn)).setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {dialog.dismiss();}});}} else {// if no confirm button just set the visibility to GONElayout.findViewById(R.id.confirm_btn).setVisibility(View.GONE);layout.findViewById(R.id.second_line).setVisibility(View.GONE);layout.findViewById(R.id.cancel_btn).setBackgroundResource(R.drawable.single_btn_select);}// set the cancel buttonif (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);}});} else {((Button) layout.findViewById(R.id.cancel_btn)).setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {dialog.dismiss();}});}} else {// if no cancel button just set the visibility to GONElayout.findViewById(R.id.cancel_btn).setVisibility(View.GONE);layout.findViewById(R.id.second_line).setVisibility(View.GONE);layout.findViewById(R.id.confirm_btn).setBackgroundResource(R.drawable.single_btn_select);}// set the content messageif (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.message)).removeAllViews();((LinearLayout) layout.findViewById(R.id.message)).addView(contentView, new LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT));}dialog.setContentView(layout);return dialog;}}}

完整Demo下载地址：

http://download.csdn.net/detail/lvshuchangyin/9533120