1.优化代码

home/src/main/res/layout/activity_home.xml

@@ -28,8 +28,8 @@
             android:id="@+id/titleLayout"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            app:layout_constraintLeft_toLeftOf="parent"
-            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="parent">
 
             <androidx.constraintlayout.widget.ConstraintLayout
@@ -37,8 +37,8 @@
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
                 app:layout_constraintHorizontal_weight="1"
-                app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toLeftOf="@id/functionLayout"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintEnd_toStartOf="@id/functionLayout"
                 app:layout_constraintTop_toTopOf="parent">
 
                 <androidx.appcompat.widget.AppCompatTextView
@@ -54,8 +54,8 @@
                     android:textSize="@dimen/divider_24px"
                     android:textStyle="bold"
                     app:layout_constraintBottom_toBottomOf="parent"
-                    app:layout_constraintLeft_toLeftOf="parent"
-                    app:layout_constraintRight_toRightOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintTop_toTopOf="parent" />
 
                 <androidx.appcompat.widget.AppCompatImageView
@@ -65,7 +65,7 @@
                     android:layout_marginStart="@dimen/divider_53px"
                     android:layout_marginTop="@dimen/divider_20px"
                     app:isCircle="@{true}"
-                    app:layout_constraintLeft_toLeftOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toTopOf="parent"
                     app:loadHeadImg="@{User.INSTANCE.avatar}" />
 
@@ -77,8 +77,8 @@
                 android:layout_height="wrap_content"
                 android:orientation="horizontal"
                 app:layout_constraintHorizontal_weight="1.6"
-                app:layout_constraintLeft_toRightOf="@id/headLayout"
-                app:layout_constraintRight_toRightOf="parent"
+                app:layout_constraintStart_toEndOf="@id/headLayout"
+                app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toTopOf="parent">
 
                 <LinearLayout
@@ -86,8 +86,8 @@
                     style="@style/workbenches_operate_btn"
                     android:layout_gravity="center_horizontal"
                     android:gravity="center_horizontal"
-                    app:layout_constraintLeft_toLeftOf="parent"
-                    app:layout_constraintRight_toLeftOf="@+id/layoutHelp"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintEnd_toStartOf="@+id/layoutHelp"
                     tools:ignore="MissingConstraints">
 
                     <androidx.appcompat.widget.AppCompatImageView
@@ -109,8 +109,8 @@
                     android:id="@+id/layoutHelp"
                     style="@style/workbenches_operate_btn"
                     android:gravity="center_horizontal"
-                    app:layout_constraintLeft_toRightOf="@+id/layoutLiveBroadcast"
-                    app:layout_constraintRight_toLeftOf="@+id/layoutNotify"
+                    app:layout_constraintStart_toEndOf="@+id/layoutLiveBroadcast"
+                    app:layout_constraintEnd_toStartOf="@+id/layoutNotify"
                     tools:ignore="MissingConstraints">
 
                     <androidx.appcompat.widget.AppCompatImageView
@@ -130,8 +130,8 @@
                     android:id="@+id/layoutNotify"
                     style="@style/workbenches_operate_btn"
                     android:gravity="center_horizontal"
-                    app:layout_constraintLeft_toRightOf="@+id/layoutHelp"
-                    app:layout_constraintRight_toLeftOf="@+id/layoutServicePackage"
+                    app:layout_constraintStart_toEndOf="@+id/layoutHelp"
+                    app:layout_constraintEnd_toStartOf="@+id/layoutServicePackage"
                     tools:ignore="MissingConstraints">
 
                     <androidx.appcompat.widget.AppCompatImageView
@@ -141,8 +141,8 @@
                         android:layout_marginTop="@dimen/divider_37px"
                         android:background="@mipmap/icon_notify"
                         android:scaleType="centerInside"
-                        app:layout_constraintLeft_toLeftOf="parent"
-                        app:layout_constraintRight_toRightOf="parent"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintEnd_toEndOf="parent"
                         app:layout_constraintTop_toTopOf="parent" />
 
                     <View
@@ -153,16 +153,16 @@
                         android:layout_marginTop="@dimen/divider_37px"
                         android:background="@drawable/shape_ract_gold"
                         android:visibility="gone"
-                        app:layout_constraintLeft_toLeftOf="parent"
-                        app:layout_constraintRight_toRightOf="parent"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintEnd_toEndOf="parent"
                         app:layout_constraintTop_toTopOf="parent" />
 
                     <androidx.appcompat.widget.AppCompatTextView
                         style="@style/workbenches_home_text"
                         android:layout_marginTop="@dimen/divider_8px"
                         android:text="@string/notify"
-                        app:layout_constraintLeft_toLeftOf="parent"
-                        app:layout_constraintRight_toRightOf="parent"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintEnd_toEndOf="parent"
                         app:layout_constraintTop_toBottomOf="@+id/notifyImage" />
                 </androidx.constraintlayout.widget.ConstraintLayout>
 
@@ -170,8 +170,8 @@
                     android:id="@+id/layoutServicePackage"
                     style="@style/workbenches_operate_btn"
                     android:gravity="center_horizontal"
-                    app:layout_constraintLeft_toRightOf="@+id/layoutNotify"
-                    app:layout_constraintRight_toRightOf="parent"
+                    app:layout_constraintStart_toEndOf="@+id/layoutNotify"
+                    app:layout_constraintEnd_toEndOf="parent"
                     tools:ignore="MissingConstraints">
 
                     <androidx.appcompat.widget.AppCompatImageView
@@ -200,8 +200,8 @@
             app:cardCornerRadius="@dimen/divider_28px"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintHorizontal_weight="1"
-            app:layout_constraintLeft_toLeftOf="parent"
-            app:layout_constraintRight_toLeftOf="@id/rightLayout"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toStartOf="@id/rightLayout"
             app:layout_constraintTop_toBottomOf="@+id/titleLayout">
 
             <LinearLayout
@@ -257,8 +257,8 @@
                         android:layout_width="match_parent"
                         android:layout_height="match_parent"
                         app:layout_constraintBottom_toBottomOf="parent"
-                        app:layout_constraintLeft_toLeftOf="parent"
-                        app:layout_constraintRight_toRightOf="parent"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintEnd_toEndOf="parent"
                         app:layout_constraintTop_toTopOf="parent"
                         app:loadImg="@{task.getGameImage()}"
                         app:roundRadius="@{8}" />
@@ -274,8 +274,8 @@
                         android:textSize="@dimen/divider_28px"
                         android:textStyle="bold"
                         app:layout_constraintBottom_toBottomOf="parent"
-                        app:layout_constraintLeft_toLeftOf="parent"
-                        app:layout_constraintRight_toRightOf="parent" />
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintEnd_toEndOf="parent" />
 
                 </androidx.constraintlayout.widget.ConstraintLayout>
 
@@ -304,16 +304,16 @@
             android:layout_marginBottom="@dimen/divider_48px"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintHorizontal_weight="1.3"
-            app:layout_constraintLeft_toRightOf="@id/leftLayout"
-            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintStart_toEndOf="@id/leftLayout"
+            app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/titleLayout">
 
             <androidx.constraintlayout.widget.ConstraintLayout
                 android:id="@+id/tvPlayPorpoise"
                 style="@style/home_right_tools_layout"
                 android:background="@drawable/bg_play_porpoise"
-                app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toLeftOf="@id/tvProfessionalEvaluation"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintEnd_toStartOf="@id/tvProfessionalEvaluation"
                 app:layout_constraintTop_toTopOf="parent">
 
                 <androidx.appcompat.widget.AppCompatImageView
@@ -323,8 +323,8 @@
                     android:layout_marginTop="@dimen/divider_47px"
                     android:background="@mipmap/icon_enjoy"
                     android:scaleType="centerInside"
-                    app:layout_constraintLeft_toLeftOf="parent"
-                    app:layout_constraintRight_toRightOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintTop_toTopOf="parent" />
 
                 <androidx.appcompat.widget.AppCompatTextView
@@ -339,8 +339,8 @@
                 android:id="@+id/tvProfessionalEvaluation"
                 style="@style/home_right_tools_layout"
                 android:background="@drawable/bg_professional_evaluation"
-                app:layout_constraintLeft_toRightOf="@id/tvPlayPorpoise"
-                app:layout_constraintRight_toRightOf="parent"
+                app:layout_constraintStart_toEndOf="@id/tvPlayPorpoise"
+                app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toTopOf="parent">
 
                 <androidx.appcompat.widget.AppCompatImageView
@@ -365,8 +365,8 @@
                 style="@style/home_right_tools_layout"
                 android:layout_marginTop="@dimen/divider_28px"
                 android:background="@drawable/bg_health_counseling"
-                app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toLeftOf="@id/tvfunTime"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintEnd_toStartOf="@id/tvfunTime"
                 app:layout_constraintTop_toBottomOf="@+id/tvPlayPorpoise">
 
                 <androidx.appcompat.widget.AppCompatImageView
@@ -392,8 +392,8 @@
                 android:layout_marginTop="@dimen/divider_28px"
                 android:background="@drawable/bg_fun_time"
                 android:gravity="center"
-                app:layout_constraintLeft_toRightOf="@id/tvHealthCounseling"
-                app:layout_constraintRight_toRightOf="parent"
+                app:layout_constraintStart_toEndOf="@id/tvHealthCounseling"
+                app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toBottomOf="@+id/tvPlayPorpoise">
 
                 <androidx.appcompat.widget.AppCompatImageView
@@ -419,8 +419,8 @@
                 android:layout_marginTop="@dimen/divider_28px"
                 android:background="@drawable/bg_data_content"
                 app:layout_constraintBottom_toBottomOf="parent"
-                app:layout_constraintLeft_toLeftOf="parent"
-                app:layout_constraintRight_toRightOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toBottomOf="@+id/tvHealthCounseling">
 
                 <LinearLayout
@@ -431,8 +431,8 @@
                     android:orientation="vertical"
                     app:layout_constraintBottom_toBottomOf="parent"
                     app:layout_constraintHorizontal_weight="1"
-                    app:layout_constraintLeft_toLeftOf="parent"
-                    app:layout_constraintRight_toLeftOf="@id/accumulatedTrainingDurationLayout"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintEnd_toStartOf="@id/accumulatedTrainingDurationLayout"
                     app:layout_constraintTop_toTopOf="parent">
 
                     <androidx.appcompat.widget.AppCompatTextView
@@ -461,8 +461,8 @@
                     android:orientation="vertical"
                     app:layout_constraintBottom_toBottomOf="parent"
                     app:layout_constraintHorizontal_weight="1"
-                    app:layout_constraintLeft_toRightOf="@id/brainPowerValueLayout"
-                    app:layout_constraintRight_toLeftOf="@id/checkLayout"
+                    app:layout_constraintStart_toEndOf="@id/brainPowerValueLayout"
+                    app:layout_constraintEnd_toStartOf="@id/checkLayout"
                     app:layout_constraintTop_toTopOf="parent">
 
                     <androidx.appcompat.widget.AppCompatTextView
@@ -490,8 +490,8 @@
                     android:gravity="center"
                     app:layout_constraintBottom_toBottomOf="parent"
                     app:layout_constraintHorizontal_weight="1"
-                    app:layout_constraintLeft_toRightOf="@id/accumulatedTrainingDurationLayout"
-                    app:layout_constraintRight_toRightOf="parent"
+                    app:layout_constraintStart_toEndOf="@id/accumulatedTrainingDurationLayout"
+                    app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintTop_toTopOf="parent">
 
                     <Button