7.自定义Dialog提示框

AlertDialog mAlertDialog = new AlertDialog.Builder(this).create();
mAlertDialog.show();
mAlertDialog.setCanceledOnTouchOutside(true);

Window window = mAlertDialog.getWindow();
window.setGravity(Gravity.BOTTOM);
window.setLayout(WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.MATCH_PARENT);
View view = View.inflate(this, R.layout.dialog, null);
window.setContentView(view);

Button ok_btn = (Button) view.findViewById(R.id.ok_btn);
ok_btn.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
mAlertDialog.dismiss();
}
});

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >

<RelativeLayout
android:layout_width="310dip"
android:layout_height="150dip"
android:layout_centerInParent="true"
android:background="@color/base_white" >

<TextView
android:id="@+id/msg_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginLeft="32dip"
android:layout_marginRight="32dip"
android:layout_marginTop="30dip"
android:text="你好"
android:textSize="16sp" />

<LinearLayout
android:layout_width="match_parent"
android:layout_height="35dip"
android:layout_below="@+id/msg_tv"
android:layout_marginBottom="20dp"
android:layout_marginTop="45dp"
android:orientation="horizontal" >

<Button
android:id="@+id/yes_btn"
android:layout_width="0dp"
android:layout_height="35dip"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_weight="1"
android:background="#4a7acd"
android:gravity="center"
android:text="确定"
android:textColor="@color/base_white" />

<Button
android:id="@+id/no_btn"
android:layout_width="0dp"
android:layout_height="35dip"
android:layout_marginRight="20dp"
android:layout_weight="1"
android:background="#4a7acd"
android:gravity="center"
android:text="取消"
android:textColor="@color/base_white" />
</LinearLayout>
</RelativeLayout>
</RelativeLayout>