按钮布局不会被压扁

mobile/src/main/res/layout/dialog_upgrade.xml

@@ -14,46 +14,46 @@
             android:id="@+id/tv_title"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:tag="beta_title"
             android:text="Title"
             android:textColor="@color/gold"
-            android:textSize="20dp"
-            android:tag="beta_title" />
+            android:textSize="20dp" />
 
         <ImageView
             android:id="@+id/iv_upgrade_banner"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_below="@id/tv_title"
-            android:tag="beta_upgrade_banner"/>
+            android:tag="beta_upgrade_banner" />
 
         <TextView
             android:id="@+id/tv_upgrade_feature"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:layout_below="@id/iv_upgrade_banner"
             android:paddingStart="5dp"
             android:paddingLeft="5dp"
             android:paddingRight="5dp"
             android:paddingBottom="5dp"
+            android:tag="beta_upgrade_feature"
             android:text="Feature"
             android:textColor="@color/white"
-            android:textSize="15dp"
-            android:layout_below="@id/iv_upgrade_banner"
-            android:tag="beta_upgrade_feature"/>
+            android:textSize="15dp" />
 
 
         <Button
             android:id="@+id/tv_upgrade_confirm"
             android:layout_width="match_parent"
             android:layout_height="45dp"
-            android:background="@drawable/button_n"
             android:layout_below="@id/tv_upgrade_feature"
+            android:layout_weight="1"
+            android:background="@drawable/button_n"
             android:gravity="center"
+            android:tag="beta_confirm_button"
             android:text="@string/Download"
             android:textColor="@color/white"
-            android:textStyle="bold"
             android:textSize="15dp"
-            android:visibility="visible"
-            android:tag="beta_confirm_button"/>
+            android:textStyle="bold" />
 
         <TextView
             android:layout_width="0dp"