界面布局-RelativeLayout

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res/layout/activity_my.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="fill_parent"    android:layout_height="fill_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=".MyActivity" >    <TextView        android:id="@+id/label"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="@string/typehere" />    <EditText        android:id="@+id/entry"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:layout_below="@+id/label"        android:ems="10"        android:inputType="text" >        <requestFocus />    </EditText>    <Button        android:id="@+id/ok"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentRight="true"        android:layout_below="@+id/entry"        android:layout_marginLeft="10dp"        android:text="@string/submit" />    <Button        android:id="@+id/cancel"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignBaseline="@id/ok"        android:layout_below="@+id/entry"        android:layout_toLeftOf="@+id/ok"        android:text="@string/cancel" /></RelativeLayout>

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