android 弹出框，置这里给大家常用

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uilder = new Dialog(MainActivity.this, R.style.dialog);		builder.setContentView(R.layout.play_dialog1);		TextView textView = (TextView) builder				.findViewById(R.id.dialog_edittext);		textView.setText(type);		Button button = (Button) builder.findViewById(R.id.custom_button_ok);		button.setOnClickListener(new View.OnClickListener() {			public void onClick(View v) {				builder.dismiss();			}		});		Button button1 = (Button) builder				.findViewById(R.id.custom_button_cancl);		button1.setOnClickListener(new View.OnClickListener() {			public void onClick(View v) {				builder.dismiss();			}		});		builder.show();	

   <style name="dialog" parent="@android:style/Theme.Dialog">         <item name="android:windowFrame">@null</item>        <item name="android:windowIsFloating">true</item>        <item name="android:windowIsTranslucent">false</item>        <item name="android:windowNoTitle">true</item>        <item name="android:background">@null</item>        <item name="android:windowBackground">@null</item>        <item name="android:backgroundDimEnabled">false</item>    </style> 

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="530dp"    android:layout_height="wrap_content"    android:background="@drawable/dialog_bg"    android:orientation="vertical" >    <LinearLayout        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_gravity="center"        android:layout_marginTop="20dip"        android:orientation="horizontal" >        <TextView            android:id="@+id/dialog_edittext"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:textColor="#ffffff"            android:textSize="25sp" />    </LinearLayout>    <LinearLayout        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_gravity="center"        android:layout_marginTop="20dip"        android:orientation="horizontal" >        <Button            android:id="@+id/custom_button_ok"            android:layout_width="170dip"            android:layout_height="70dip"            android:background="@drawable/move_sort_word_bg"            android:text="@string/button_ok"            android:textColor="#ffffff"            android:textSize="30sp" />        <Button            android:id="@+id/custom_button_cancl"            android:layout_width="170dip"            android:layout_height="70dip"            android:layout_marginLeft="20dp"            android:background="@drawable/move_sort_word_bg"            android:text="@string/button_cancl"            android:textColor="#ffffff"            android:textSize="30sp" />    </LinearLayout>    <!-- android:background="@drawable/botton" --></LinearLayout>