no message

app/src/main/res/layout/act_login.xml

@@ -6,7 +6,8 @@
 
     <RelativeLayout
         android:layout_width="match_parent"
-        android:layout_height="wrap_content">
+        android:layout_height="wrap_content"
+        android:visibility="gone">
 
         <ImageView
             android:id="@+id/login_bg"
@@ -24,16 +25,26 @@
             android:src="@mipmap/ic_launcher_round" />
     </RelativeLayout>
 
+    <ImageView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/dp_100"
+        android:src="@drawable/loginbg" />
 
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/dp_40"
         android:orientation="horizontal"
-        android:padding="@dimen/dp_16">
+        android:paddingBottom="@dimen/dp_12"
+        android:paddingLeft="@dimen/dp_16"
+        android:paddingRight="@dimen/dp_16"
+        android:paddingTop="@dimen/dp_12">
 
         <ImageView
             android:layout_width="30dp"
             android:layout_height="30dp"
+            android:layout_marginTop="@dimen/dp_5"
             android:src="@drawable/yonghu_3x" />
 
         <EditText
@@ -54,11 +65,15 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:orientation="horizontal"
-        android:padding="@dimen/dp_16">
+        android:paddingBottom="@dimen/dp_12"
+        android:paddingLeft="@dimen/dp_16"
+        android:paddingRight="@dimen/dp_16"
+        android:paddingTop="@dimen/dp_12">
 
         <ImageView
             android:layout_width="30dp"
             android:layout_height="30dp"
+            android:layout_marginTop="@dimen/dp_5"
             android:src="@drawable/mima_3x" />
 
         <EditText
@@ -77,8 +92,8 @@
 
     <Button
         android:id="@+id/login_sure"
-        android:layout_width="match_parent"
-        android:layout_height="100dp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
         android:layout_gravity="center_horizontal"
         android:layout_marginTop="@dimen/dp_20"
         android:background="@drawable/denglu_3x" />