From b266a711e7f513577e5fb3a1fc6a90fd8d917cca Mon Sep 17 00:00:00 2001
From: Ziver Koc <ziver.koc@ericsson.com>
Date: Mon, 10 Nov 2014 13:30:07 +0100
Subject: [PATCH] Added a check so we dont try to write to sdcard if its
 unavailable

---
 .../uecontrol/gui/util/CSVWriter.java         | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/com/ericsson/uecontrol/gui/util/CSVWriter.java b/app/src/main/java/com/ericsson/uecontrol/gui/util/CSVWriter.java
index 33de5d7..f99df3e 100755
--- a/app/src/main/java/com/ericsson/uecontrol/gui/util/CSVWriter.java
+++ b/app/src/main/java/com/ericsson/uecontrol/gui/util/CSVWriter.java
@@ -8,6 +8,7 @@ import android.net.NetworkInfo;
 import android.net.Uri;
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
+import android.os.Environment;
 import android.preference.PreferenceManager;
 import android.telephony.TelephonyManager;
 import android.telephony.gsm.GsmCellLocation;
@@ -43,7 +44,7 @@ public class CSVWriter {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
         comment = "";
 
-        String path = prefs.getString("logging_path", "/sdcard/uecontrol/");
+        String path = prefs.getString("logging_path", Environment.getExternalStorageDirectory().getAbsolutePath()+"/uecontrol/");
         if(!path.endsWith(File.separator)) path += File.separator;
         file = new File(
                 path,
@@ -62,6 +63,9 @@ public class CSVWriter {
                 new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(file)));
     }
 
+    public void addComment(String str){
+        comment = str;
+    }
 
     public void write(String behaviour, double down, double up){
         StringBuilder line = new StringBuilder();
@@ -80,6 +84,8 @@ public class CSVWriter {
     }
 
     protected void writeLine(String line){
+        if(!isExternalStorageWritable())
+            return;
         try{
             PrintWriter out = new PrintWriter(new FileOutputStream(file, true));
             out.println(line);
@@ -89,10 +95,17 @@ public class CSVWriter {
         }
     }
 
-    public void addComment(String str){
-        comment = str;
+    /* Checks if external storage is available for read and write */
+    private boolean isExternalStorageWritable() {
+        String state = Environment.getExternalStorageState();
+        if (Environment.MEDIA_MOUNTED.equals(state)) {
+            return true;
+        }
+        return false;
     }
 
+
+    //******************* INFORMATION FUNCTIONS ********************************************
     public static String getRat(){
         Context context = MainActivity.getContext();
         ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);