Añadido boton de guardado y comienzo de interfaz de guardado en archivo físico

2021-08-04 01:27:55 +02:00
parent d58cdd28b2
commit 6bc4d13a62
2 changed files with 58 additions and 0 deletions
@@ -0,0 +1,51 @@
+package com.journaldev.gpslocationtracking;
+
+import android.content.Context;
+import android.util.Log;
+
+import java.io.*;
+
+public class FIleManager {
+
+
+    public void writeToFile(String data, Context context) {
+        try {
+            OutputStreamWriter outputStreamWriter = new OutputStreamWriter(context.openFileOutput("coordenadas.txt", Context.MODE_PRIVATE));
+            outputStreamWriter.write(data);
+            outputStreamWriter.close();
+        }
+        catch (IOException e) {
+            Log.e("Exception", "File write failed: " + e.toString());
+        }
+    }
+
+    private String readFromFile(Context context) {
+
+        String ret = "";
+
+        try {
+            InputStream inputStream = context.openFileInput("coordenadas.txt");
+
+            if ( inputStream != null ) {
+                InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
+                BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
+                String receiveString = "";
+                StringBuilder stringBuilder = new StringBuilder();
+
+                while ( (receiveString = bufferedReader.readLine()) != null ) {
+                    stringBuilder.append("\n").append(receiveString);
+                }
+
+                inputStream.close();
+                ret = stringBuilder.toString();
+            }
+        }
+        catch (FileNotFoundException e) {
+            Log.e("login activity", "File not found: " + e.toString());
+        } catch (IOException e) {
+            Log.e("login activity", "Can not read file: " + e.toString());
+        }
+
+        return ret;
+    }
+}