创建 FileLoggingTree.java

app/src/main/java/com/nbee/echolink/FileLoggingTree.java

@@ -0,0 +1,59 @@
+package com.nbee.echolink;
+
+import android.content.Context;
+import android.util.Log;
+import timber.log.Timber;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Locale;
+
+public class FileLoggingTree extends Timber.DebugTree {
+    private final File logFile;
+
+    public FileLoggingTree(Context context) {
+        File logDirectory = new File(context.getFilesDir(), "logs");
+        if (!logDirectory.exists()) {
+            logDirectory.mkdirs();
+        }
+        this.logFile = new File(logDirectory, "echoLink.log");
+    }
+
+    @Override
+    protected void log(int priority, String tag, String message, Throwable t) {
+        super.log(priority, tag, message, t);
+
+        try (FileWriter fileWriter = new FileWriter(logFile, true)) {
+            SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault());
+            String timestamp = dateFormat.format(new Date());
+            String logMessage = timestamp + " [" + priorityToString(priority) + "] " + tag + ": " + message + "\n";
+            fileWriter.append(logMessage);
+
+            if (t != null) {
+                fileWriter.append(Log.getStackTraceString(t)).append("\n");
+            }
+        } catch (IOException e) {
+            Log.e("FileLoggingTree", "Error writing log to file", e);
+        }
+    }
+
+    private String priorityToString(int priority) {
+        switch (priority) {
+            case Log.ERROR:
+                return "ERROR";
+            case Log.WARN:
+                return "WARN";
+            case Log.INFO:
+                return "INFO";
+            case Log.DEBUG:
+                return "DEBUG";
+            case Log.VERBOSE:
+                return "VERBOSE";
+            default:
+                return "UNKNOWN";
+        }
+    }
+}