Update MainActivity.java

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

@@ -5,6 +5,8 @@ import android.content.Intent;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.os.PowerManager;
+import android.view.View;
+import android.widget.Button;
 import android.widget.TextView;
 
 import androidx.appcompat.app.AppCompatActivity;
@@ -19,8 +21,10 @@ import com.nbee.echolink.utils.ShellUtils;
 
 import java.io.BufferedReader;
 import java.io.File;
+import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.IOException;
+import java.io.PrintWriter;
 
 import timber.log.Timber;
 
@@ -34,6 +38,7 @@ public class MainActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+        Button clearAllLogs = findViewById(R.id.clearLogsButton);
 
         logTextView = findViewById(R.id.logTextView);
         updateLog("初始化日志...");
@@ -63,6 +68,13 @@ public class MainActivity extends AppCompatActivity {
         //启动通知监听服务
         Intent serviceIntent1 = new Intent(this, NotificationListener.class);
         startService(serviceIntent1);
+
+        clearAllLogs.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                clearLogs(); // 调用清空日志的方法
+            }
+        });
     }
 
     @Override
@@ -114,6 +126,25 @@ public class MainActivity extends AppCompatActivity {
         logTextView.setText(newLog);
     }
 
+    private void clearLogs() {
+        File logFile = new File(getFilesDir(), "logs/echoLink.log");
+        if (logFile.exists()) {
+            try {
+                // 使用空字符串重写文件来清空内容
+                PrintWriter writer = new PrintWriter(logFile);
+                writer.print("");
+                writer.close();
+                updateLog("日志已清空。"); // 更新 TextView 显示日志已被清空
+            } catch (FileNotFoundException e) {
+                e.printStackTrace();
+                updateLog("清空日志文件时出错。");
+            }
+        } else {
+            updateLog("日志文件不存在，无需清空。");
+        }
+    }
+
+
     private String readLogFile() {
         try {
             File logFile = new File(getFilesDir(), "logs/echoLink.log"); // 日志文件的路径