仅当原路径确实存在文件才复制

mobile/src/main/java/cn/garymb/ygomobile/ui/home/MainActivity.java

@@ -280,9 +280,12 @@ public class MainActivity extends HomeActivity {
                         AppsSettings.get().getSoundPath(), false);
 
                 //复制原目录文件
-                FileUtils.copyDir(ORI_DECK, AppsSettings.get().getDeckDir(), false);
-                FileUtils.copyDir(ORI_REPLAY, AppsSettings.get().getResourcePath() + "/" + Constants.CORE_REPLAY_PATH, false);
-                FileUtils.copyDir(ORI_PICS, AppsSettings.get().getCardImagePath(), false);
+                if (new File(ORI_DECK).list() != null)
+                    FileUtils.copyDir(ORI_DECK, AppsSettings.get().getDeckDir(), false);
+                if (new File(ORI_REPLAY).list() != null)
+                    FileUtils.copyDir(ORI_REPLAY, AppsSettings.get().getResourcePath() + "/" + Constants.CORE_REPLAY_PATH, false);
+                if (new File(ORI_PICS).list() != null)
+                    FileUtils.copyDir(ORI_PICS, AppsSettings.get().getCardImagePath(), false);
             } catch (IOException e) {
                 e.printStackTrace();
                 Log.e("MainActivity", "错误" + e);

mobile/src/main/java/cn/garymb/ygomobile/utils/IOUtils.java

@@ -6,12 +6,9 @@ import android.content.res.AssetManager;
 import android.os.Build;
 import android.text.TextUtils;
 import android.util.Log;
-import android.widget.Toast;
 
 import java.io.Closeable;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -125,7 +122,6 @@ public class IOUtils {
                 try {
                     inputStream = am.open(assets);
                 } catch (Exception e) {
-                    Toast.makeText(context, "copyFilesFromAssets error" + e, Toast.LENGTH_SHORT).show();
                 }
                 if (inputStream != null) {
                     copyToFile(inputStream, tofile.getAbsolutePath());