add feature: orientation lock

app/src/main/res/drawable/start_game.xml

@@ -0,0 +1,5 @@
+<vector android:autoMirrored="true" android:height="24dp"
+    android:tint="#000000" android:viewportHeight="24"
+    android:viewportWidth="24" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M9.31,6.71c-0.39,0.39 -0.39,1.02 0,1.41L13.19,12l-3.88,3.88c-0.39,0.39 -0.39,1.02 0,1.41 0.39,0.39 1.02,0.39 1.41,0l4.59,-4.59c0.39,-0.39 0.39,-1.02 0,-1.41L10.72,6.7c-0.38,-0.38 -1.02,-0.38 -1.41,0.01z"/>
+</vector>

app/src/main/res/values-zh-rCN/strings.xml

@@ -19,4 +19,8 @@
     <string name="hign">高</string>
     <string name="middle">中</string>
     <string name="low">低</string>
+    <string name="orientation_orig">游戏原版</string>
+    <string name="orientation_portrait">竖屏</string>
+    <string name="orientation_landscape">横屏</string>
+    <string name="orientation_lock">方向锁定</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -19,4 +19,9 @@
     <string name="hign">High</string>
     <string name="middle">Mid</string>
     <string name="low">Low</string>
+    <string name="orientation_orig">Original</string>
+    <string name="orientation_portrait">Portrait</string>
+    <string name="orientation_landscape">Landscape</string>
+    <string name="orientation_lock">Original Lock</string>
+
 </resources>