Update dependencies

Settings activity refactor

app/src/main/java/com/hippo/ehviewer/AppConfig.java

@@ -18,15 +18,19 @@ package com.hippo.ehviewer;
 
 import android.content.Context;
 import android.os.Environment;
+
 import androidx.annotation.Nullable;
+
 import com.hippo.ehviewer.client.exception.ParseException;
 import com.hippo.util.ReadableTime;
 import com.hippo.yorozuya.FileUtils;
 import com.hippo.yorozuya.IOUtils;
+
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
 
 public class AppConfig {
 
@@ -147,11 +151,11 @@ public class AppConfig {
             String message = e.getMessage();
             String body = e.getBody();
             if (null != message) {
-                os.write(message.getBytes("utf-8"));
+                os.write(message.getBytes(StandardCharsets.UTF_8));
                 os.write('\n');
             }
             if (null != body) {
-                os.write(body.getBytes("utf-8"));
+                os.write(body.getBytes(StandardCharsets.UTF_8));
             }
             os.flush();
         } catch (IOException e1) {