启动时清除日志

app/src/main/java/com/xypower/frpandroid/MainActivity.java

@@ -108,6 +108,9 @@ public class MainActivity extends AppCompatActivity {
         RotatingHandler rotatingHandler = null;
         try {
             File logFile = new File(getDataDir(), "frplog.txt");
+            if (logFile.exists()) {
+                logFile.delete();
+            }
 
             rotatingHandler = new RotatingHandler(logFile.getAbsolutePath(), logFormatter);