添加初始 Contacts 项目

contacts/src/main/res/xml/studio_provider.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <external-path
+        name="external_storage_root"
+        path="." />
+    <files-path
+        name="files_path"
+        path="." />
+    <cache-path
+        name="cache_path"
+        path="." />
+    <!--/storage/emulated/0/Android/data/...-->
+    <external-files-path
+        name="external_file_path"
+        path="." />
+    <!--代表app 外部存储区域根目录下的文件 Context.getExternalCacheDir目录下的目录-->
+    <external-cache-path
+        name="external_cache_path"
+        path="." />
+    <!--配置root-path。这样子可以读取到sd卡和一些应用分身的目录，否则微信分身保存的图片，就会导致 java.lang.IllegalArgumentException: Failed to find configured root that contains /storage/emulated/999/tencent/MicroMsg/WeiXin/export1544062754693.jpg，在小米6的手机上微信分身有这个crash，华为没有
+    -->
+    <root-path
+        name="root_path"
+        path="" />
+</paths>