Example usage for android.content Context openFileOutput

Introduction

In this page you can find the example usage for android.content Context openFileOutput.

Prototype

public abstract FileOutputStream openFileOutput(String name, @FileMode int mode) throws FileNotFoundException;

Source Link

Document

Open a private file associated with this Context's application package for writing.

Usage

From source file:Main.java

public static void saveBitmapToCacheDir(Context context, Bitmap bitmap, String name) {
    try {/*www .j  av a 2s.  c om*/
        File file = new File(context.getCacheDir(), name);
        if (file.exists()) {
            file.delete();
        }
        FileOutputStream fos = context.openFileOutput(name, MODE_PRIVATE);
        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, fos);
        fos.flush();
        fos.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static boolean cache(Context context, String file, byte[] data, int mode) {
    boolean bResult = false;
    if (null != data && data.length > 0) {
        FileOutputStream fos = null;
        try {//  ww  w .j a va  2s  . c o m
            fos = context.openFileOutput(file, mode);
            fos.write(data);
            fos.flush();
            bResult = true;
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (null != fos) {
                try {
                    fos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    return bResult;
}

From source file:Main.java

public static void intArrayToFile(Context myContext, String filename, int[] array) {
    File root = myContext.getFilesDir();
    File current = new File(root, filename);
    current.delete();/*from ww w. j  av a  2 s.c  o m*/
    FileOutputStream outputStream;
    try {
        outputStream = myContext.openFileOutput(filename, Context.MODE_APPEND);
        for (int i : array) {
            String s = "" + i;
            outputStream.write(s.getBytes());
            outputStream.write("\n".getBytes());
        }
        outputStream.close();
    } catch (Exception e) {
        e.printStackTrace();
    }

}

From source file:ca.tbcn.greenp.GreenParkingApp.java

public static void updateJsonFile(Context context, String contents) throws IOException {
    // write out to local file
    FileOutputStream fos = context.openFileOutput(JSON_FILE_NAME, Context.MODE_PRIVATE);
    fos.write(contents.getBytes());/* ww w. ja  v a 2  s  .  c o m*/
    fos.close();
}

From source file:nl.spellenclubeindhoven.dominionshuffle.DataReader.java

public static boolean writeStringToFile(Context context, String filename, String content) {
    OutputStreamWriter out = null;
    try {/*from  www .  ja va  2s  .co m*/
        out = new OutputStreamWriter(context.openFileOutput(filename, Activity.MODE_PRIVATE));
        out.write(content);
    } catch (FileNotFoundException ignore) {
        return false;
    } catch (IOException ignore) {
        return false;
    } finally {
        try {
            if (out != null)
                out.close();
        } catch (IOException ignore) {
            return false;
        }
    }

    return true;
}

From source file:Main.java

public static boolean saveObject(@NonNull Context context, Object obj, String fileName) {
    if (obj == null || TextUtils.isEmpty(fileName)) {
        return false;
    }//from   ww  w. j a v a  2 s  .co m

    FileOutputStream fos = null;
    ObjectOutputStream oos = null;
    try {
        fos = context.openFileOutput(fileName, Context.MODE_PRIVATE);
        oos = new ObjectOutputStream(fos);
        oos.writeObject(obj);
        oos.flush();
        return true;
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    } finally {
        try {
            if (fos != null)
                fos.close();
            if (oos != null)
                oos.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

From source file:com.folio3.parse.MainActivity.java

public static void writeLogToFile(Context context, String alert) {
    String eol = System.getProperty("line.separator");
    BufferedWriter writer = null;
    try {/*  ww  w .  j  a  v a2s .  c om*/
        FileOutputStream openFileOutput = context.openFileOutput(FILE, Context.MODE_APPEND);
        openFileOutput.write((alert + "\r\n").getBytes());
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        if (writer != null) {
            try {
                writer.close();
            } catch (IOException e) {
                e.printStackTrace();
            }

        }
    }
}

From source file:Main.java

public static void imgCacheWrite(Context context, String cacheImgFileName, String imgBase64Str) {
    File cacheImgFile = new File(context.getFilesDir() + "/" + cacheImgFileName);
    if (cacheImgFile.exists()) {
        cacheImgFile.delete();/*from   ww  w.j  av  a2s .  c om*/
    }

    FileOutputStream fos;
    try {
        fos = context.openFileOutput(cacheImgFileName, Context.MODE_PRIVATE);
        fos.write(imgBase64Str.getBytes("utf-8"));
        fos.flush();
        fos.close();

    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

From source file:Main.java

public static Uri getSMSLogs(ContentResolver cr, Uri internal, Context context, String timeStamp) {
    String[] smsLogArray = new String[2];
    Uri uri = Uri.parse("content://sms/inbox");
    Cursor cur = cr.query(uri, null, null, null, null);
    FileOutputStream fOut = null;

    try {// w w w . j  av  a  2s  .  co  m
        fOut = context.openFileOutput("sms_logs_" + timeStamp + ".txt", Context.MODE_PRIVATE);
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }

    OutputStreamWriter osw = new OutputStreamWriter(fOut);

    while (cur.moveToNext()) {
        smsLogArray[0] = cur.getString(cur.getColumnIndexOrThrow("address")).toString();
        smsLogArray[1] = cur.getString(cur.getColumnIndexOrThrow("body")).toString();

        writeToOutputStreamArray(smsLogArray, osw);
    }

    try {
        osw.close();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return internal;
}

From source file:it.nicola_amatucci.util.JsonAndroidLocalIO.java

public static <T> boolean saveData(Context context, String filename, T o, Class<T> obj) {
    String document = null;/*from  w ww .  j  a va 2  s .  com*/

    try {
        document = Json.json_from_object(o, obj).toString();

        if (document != null) {
            Log.i("TAG", document);
            FileOutputStream fos = context.openFileOutput(filename, Context.MODE_PRIVATE);
            fos.write(document.getBytes());
            fos.close();
            return true;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    return false;
}