<?xml version="1.0" encoding="utf-8"?>

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>

<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:supportsRtl="true"
    android:theme="@style/AppTheme">
    <activity android:name=".MainActivity">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
    <activity android:name=".RecipeActivity"></activity>
</application>

File dir = Environment.getExternalStorageDirectory();

    File file = new  File(Environment.getExternalStorageDirectory().getAbsolutePath(), "receip.txt");
    if(file.exists())   // check if file exist
    {
        //Read text from file
        StringBuilder text = new StringBuilder();

        try {
            BufferedReader br = new BufferedReader(new FileReader(file));
            String line;

            while ((line = br.readLine()) != null) {
                text.append(line);
                text.append("n");
            }
        }
        catch (IOException e) {
            //You'll need to add proper error handling here
        }
        //Set the text
       Log.d("File text:", text.toString() );
        Toast.makeText(getApplicationContext(),"File Found", Toast.LENGTH_SHORT);
    }
    else
    {
        Log.d("Romek file:", "File not found" );
        Toast.makeText(getApplicationContext(),"File not Found", Toast.LENGTH_SHORT);
    }

public boolean isExternalStorageWritable() {
    String state = Environment.getExternalStorageState();
    if (Environment.MEDIA_MOUNTED.equals(state)) {
        Log.d("Romek", "External Storage is writable");
        return true;
    }
    Log.d("Romek", "External Storage is not writable");
    return false;
}

/* Checks if external storage is available to at least read */
public boolean isExternalStorageReadable() {
    String state = Environment.getExternalStorageState();
    if (Environment.MEDIA_MOUNTED.equals(state) ||
            Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) {
        Log.d("Romek", "External Storage is readable");
        return true;
    }
    Log.d("Romek", "External Storage is not readable");
    return false;
}