Android仿IOS UIAlertView对话框

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.string.prompt); 
   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.string.prompt); 
   mbuilder.setMessage(R.string.exit_app); 
   mbuilder.setPositiveButton(R.string.confirm, null); 
   mbuilder.setNegativeButton(R.string.cancel, null); 
   mbuilder.create().show(); 
   break; 
 
  default: 
   break; 
  } 
 } 
 
} 

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); 
} 
}); 
} 
} else { 
// if no confirm button just set the visibility to GONE 
layout.findViewById(R.id.cancel_btn).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.message)) 
.removeAllViews(); 
((LinearLayout) layout.findViewById(R.id.message)).addView( 
contentView, new LayoutParams( 
LayoutParams.WRAP_CONTENT, 
LayoutParams.WRAP_CONTENT)); 
} 
dialog.setContentView(layout); 
return dialog; 
} 
} 
}