所以我最近ADT 21.1通过Android SDK Managerfrom更新到eclipse，然后我继续更新了 eclipse。
一切正常，我的项目按预期加载。到目前为止一切都很好，但后来我进入我的项目布局进行了一些调整，并意识到有些布局在编辑器中显示错误。
准确地说，我有一个布局，其元素与父底部对齐并且也有底部边距，这在我的任何手机上都可以正常工作，但是编辑器只是忽略了底部边距并将元素放在底部.
这是我正在谈论的布局
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/background" >
<!-- titlebar -->
<TextView
android:id="@+id/m_oTitlebar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:background="@drawable/gradient_title"
android:gravity="center_horizontal|center_vertical"
android:paddingBottom="@dimen/contact_button_padding_vertical"
android:paddingTop="@dimen/contact_button_padding_vertical"
android:text="@string/contact"
android:textColor="@color/white"
android:textSize="@dimen/font_size_24"
android:textStyle="bold" />
<!-- logo and title -->
<ImageView
android:id="@+id/m_oLogo"
android:layout_width="@dimen/contact_logo_dimension"
android:layout_height="@dimen/contact_logo_dimension"
android:layout_alignParentLeft="true"
android:layout_below="@+id/m_oTitlebar"
android:layout_marginTop="@dimen/contact_logo_margin_top"
android:layout_marginLeft="@dimen/contact_logo_margin_left"
android:contentDescription="@string/image_description"
android:src="@drawable/logo" />
<TextView
android:id="@+id/m_oTitle_0"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/m_oLogo"
android:layout_alignParentRight="true"
android:layout_alignTop="@+id/m_oLogo"
android:layout_toRightOf="@+id/m_oLogo"
android:layout_marginRight="@dimen/contact_logo_margin_left"
android:gravity="bottom|right"
android:text="@string/contact_title"
android:textColor="@color/black"
android:textSize="@dimen/font_size_18" />
<!-- separator -->
<LinearLayout
android:id="@+id/m_oContact_Reference_Layout"
android:layout_width="wrap_content"
android:layout_height="@dimen/contact_reference_layout_height"
android:layout_alignLeft="@+id/m_oLogo"
android:layout_alignRight="@+id/m_oTitle_0"
android:layout_below="@+id/m_oLogo"
android:layout_marginTop="@dimen/contact_reference_layout_margin_top"
android:orientation="vertical"
android:background="@drawable/gradient_contact"/>
<!-- content -->
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:layout_below="@+id/m_oContact_Reference_Layout"
android:layout_above="@+id/m_oContact_Image_Send"
android:layout_centerHorizontal="true"
android:layout_marginTop="20dp"
android:layout_marginBottom="20dp"
android:orientation="vertical"
android:weightSum="4">
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_weight="1">
<TextView
android:id="@+id/m_oContact_Name"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="@string/contact_name"
android:textColor="@color/black"
android:textSize="@dimen/font_size_20" />
<TextView
android:id="@+id/m_oContact_Sub"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="@string/contact_sub"
android:textColor="@color/black"
android:textSize="@dimen/font_size_12"/>
</LinearLayout>
<TextView
android:id="@+id/m_oContact_Location"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="@string/contact_location"
android:textColor="@color/black"
android:textSize="@dimen/font_size_14"
android:layout_weight="1"/>
<TextView
android:id="@+id/m_oContact_Phone"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="@string/contact_phone"
android:textColor="@color/black"
android:textSize="@dimen/font_size_18"
android:layout_weight="1"/>
<TextView
android:id="@+id/m_oContact_INet"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="@string/contact_homepage"
android:textColor="@color/black"
android:textSize="@dimen/font_size_18"
android:layout_weight="1"/>
</LinearLayout>
<!-- send button and image overlay -->
<Button
android:id="@+id/m_oContact_Button_Send"
style="@style/ButtonMain"
android:layout_width="@dimen/main_button_width"
android:layout_height="@dimen/main_button_height"
android:layout_centerHorizontal="true"
android:layout_alignParentBottom="true"
android:layout_marginBottom="20dp"
android:paddingBottom="@dimen/button_padding_vertical"
android:paddingLeft="@dimen/button_padding_horizontal"
android:paddingRight="@dimen/button_padding_horizontal"
android:paddingTop="@dimen/button_padding_vertical"
android:text="@string/empty"
android:onClick="OnClick"/>
<ImageView
android:id="@+id/m_oContact_Image_Send"
android:layout_width="@dimen/main_button_height"
android:layout_height="@dimen/main_button_height"
android:layout_alignTop="@+id/m_oContact_Button_Send"
android:padding="@dimen/contact_image_padding"
android:layout_centerHorizontal="true"
android:contentDescription="@string/image_description"
android:src="@drawable/send"/>
</RelativeLayout>
我还发现我的另一个布局似乎有同样的问题
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/background" >
<!-- logo and title -->
<ImageView
android:id="@+id/m_oMain_Logo"
android:layout_width="@dimen/main_logo_dimension"
android:layout_height="@dimen/main_logo_dimension"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_marginLeft="@dimen/main_logo_margin_left"
android:layout_marginTop="@dimen/main_logo_margin_top"
android:contentDescription="@string/image_description"
android:src="@drawable/logo" />
<TextView
android:id="@+id/m_oMain_Title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/m_oMain_Logo"
android:layout_alignParentRight="true"
android:layout_marginRight="@dimen/main_logo_margin_left"
android:layout_alignTop="@+id/m_oMain_Logo"
android:layout_toRightOf="@+id/m_oMain_Logo"
android:text="@string/main_title"
android:textColor="@color/zmvo_blue"
android:textSize="@dimen/font_size_20"
android:textStyle="bold"
android:gravity="bottom|right"/>
<!-- buttons top left side -->
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_below="@+id/m_oMain_Logo"
android:layout_above="@+id/m_oMain_Button_Search"
android:layout_centerHorizontal="true"
android:layout_marginTop="30dp"
android:layout_marginBottom="20dp"
android:layout_alignLeft="@+id/m_oMain_Logo"
android:layout_alignRight="@+id/m_oMain_Title"
android:orientation="vertical">
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:orientation="vertical">
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_marginBottom="20dp"
android:weightSum="2">
<Button
android:id="@+id/m_oMain_Button_GOZ"
style="@style/ButtonMain"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:onClick="OnClick"
android:paddingBottom="@dimen/button_padding_vertical"
android:paddingLeft="@dimen/button_padding_horizontal"
android:paddingRight="@dimen/button_padding_horizontal"
android:paddingTop="@dimen/button_padding_vertical"
android:layout_marginRight="10dp"
android:tag="@integer/main_tag_goz"
android:text="@string/goz"
android:textColor="@color/black"
android:textSize="@dimen/font_size_20"
android:layout_gravity="center"
android:layout_weight="1" />
<Button
android:id="@+id/m_oMain_Button_GOAE"
style="@style/ButtonMain"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:onClick="OnClick"
android:paddingBottom="@dimen/button_padding_vertical"
android:paddingLeft="@dimen/button_padding_horizontal"
android:paddingRight="@dimen/button_padding_horizontal"
android:paddingTop="@dimen/button_padding_vertical"
android:layout_marginLeft="10dp"
android:tag="@integer/main_tag_goae"
android:text="@string/goae"
android:textColor="@color/black"
android:textSize="@dimen/font_size_20"
android:layout_gravity="center"
android:layout_weight="1"/>
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_marginBottom="20dp"
android:weightSum="2">
<Button
android:id="@+id/m_oMain_Button_BEMA"
style="@style/ButtonMain"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:onClick="OnClick"
android:paddingBottom="@dimen/button_padding_vertical"
android:paddingLeft="@dimen/button_padding_horizontal"
android:paddingRight="@dimen/button_padding_horizontal"
android:paddingTop="@dimen/button_padding_vertical"
android:layout_marginRight="10dp"
android:tag="@integer/main_tag_bema"
android:text="@string/bema"
android:textColor="@color/black"
android:textSize="@dimen/font_size_20"
android:layout_gravity="center"
android:layout_weight="1" />
<Button
android:id="@+id/m_oMain_Button_FZ"
style="@style/ButtonMain"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:onClick="OnClick"
android:paddingBottom="@dimen/button_padding_vertical"
android:paddingLeft="@dimen/button_padding_horizontal"
android:paddingRight="@dimen/button_padding_horizontal"
android:paddingTop="@dimen/button_padding_vertical"
android:layout_marginLeft="10dp"
android:tag="@integer/main_tag_fz"
android:text="@string/fz"
android:textColor="@color/black"
android:textSize="@dimen/font_size_20"
android:layout_gravity="center"
android:layout_weight="1" />
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:weightSum="2">
<Button
android:id="@+id/m_oMain_Button_BEB"
style="@style/ButtonMain"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:onClick="OnClick"
android:paddingBottom="@dimen/button_padding_vertical"
android:paddingLeft="@dimen/button_padding_horizontal"
android:paddingRight="@dimen/button_padding_horizontal"
android:paddingTop="@dimen/button_padding_vertical"
android:layout_marginRight="10dp"
android:tag="@integer/main_tag_beb"
android:text="@string/beb"
android:textColor="@color/black"
android:textSize="@dimen/font_size_20"
android:layout_gravity="center"
android:layout_weight="1"/>
<Button
android:id="@+id/m_oMain_Button_BEL"
style="@style/ButtonMain"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:onClick="OnClick"
android:paddingBottom="@dimen/button_padding_vertical"
android:paddingLeft="@dimen/button_padding_horizontal"
android:paddingRight="@dimen/button_padding_horizontal"
android:paddingTop="@dimen/button_padding_vertical"
android:layout_marginLeft="10dp"
android:tag="@integer/main_tag_fz"
android:text="@string/bel"
android:textColor="@color/black"
android:textSize="@dimen/font_size_20"
android:layout_gravity="center"
android:layout_weight="1"/>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
<!-- buttons bottom middle -->
<Button
android:id="@+id/m_oMain_Button_Contact"
android:tag="@integer/main_tag_contact"
style="@style/ButtonMain"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/m_oMain_Logo"
android:layout_alignRight="@+id/m_oMain_Title"
android:layout_alignParentBottom="true"
android:layout_marginBottom="20dp"
android:paddingBottom="@dimen/button_padding_vertical"
android:paddingLeft="@dimen/button_padding_horizontal"
android:paddingRight="@dimen/button_padding_horizontal"
android:paddingTop="@dimen/button_padding_vertical"
android:text="@string/contact"
android:textColor="@color/black"
android:textSize="@dimen/font_size_20"
android:onClick="OnClick"/>
<Button
android:id="@+id/m_oMain_Button_Search"
android:tag="@integer/main_tag_search"
style="@style/ButtonMain"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/m_oMain_Button_Contact"
android:layout_alignRight="@+id/m_oMain_Button_Contact"
android:layout_above="@+id/m_oMain_Button_Contact"
android:layout_marginBottom="20dp"
android:paddingBottom="@dimen/button_padding_vertical"
android:paddingLeft="@dimen/button_padding_horizontal"
android:paddingRight="@dimen/button_padding_horizontal"
android:paddingTop="@dimen/button_padding_vertical"
android:text="@string/search"
android:textColor="@color/black"
android:textSize="@dimen/font_size_20"
android:onClick="OnClick"/>
<RelativeLayout
android:id="@+id/m_oMain_Wait_Layout"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@color/black_50"
android:onClick="OnClick">
</RelativeLayout>
<RelativeLayout
android:id="@+id/m_oMain_ProgressBar_Layout"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@color/black_50"
android:onClick="OnClick"
android:visibility="invisible">
<ProgressBar
android:id="@+id/m_oMain_ProgressBar"
style="?android:attr/progressBarStyleLarge"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/m_oMain_ProgressBar"
android:layout_marginBottom="20dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:gravity="center"
android:text="@string/main_db_init"
android:textColor="@color/white"
android:textSize="@dimen/font_size_20"
android:textStyle="bold" />
</RelativeLayout>
</RelativeLayout>
所以我的问题是，这是编辑器的错误（因为在以前的版本中它工作得很好，手机也显示正确的布局）还是我的某种布局问题。