nowy pli z mapowaiem

app/src/main/java/com/kfb/kfbv1/model/LogFile.java

@@ -0,0 +1,51 @@
+package com.kfb.kfbv1.model;
+
+import android.os.Environment;
+import android.text.format.Time;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.nio.file.FileSystems;
+import java.nio.file.Path;
+import java.sql.Timestamp;
+
+
+public class LogFile {
+    public static void appendLog(String text)
+    {
+
+        Long tsLong = System.currentTimeMillis();
+        String ts = tsLong.toString();
+        text = ts + " - " +text;
+        String m_path = Environment.getExternalStoragePublicDirectory(
+                Environment.DIRECTORY_DCIM).getAbsolutePath();
+        File logFile = new File( m_path+"/kfb.txt");
+        if (!logFile.exists())
+        {
+            try
+            {
+                logFile.createNewFile();
+            }
+            catch (IOException e)
+            {
+                // TODO Auto-generated catch block
+                e.printStackTrace();
+            }
+        }
+        try
+        {
+            //BufferedWriter for performance, true to set append to file flag
+            BufferedWriter buf = new BufferedWriter(new FileWriter(logFile, true));
+            buf.append(text);
+            buf.newLine();
+            buf.close();
+        }
+        catch (IOException e)
+        {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+        }
+    }
+}