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:com.kyon.klib.base.KFileUtils.java

public static void writeFile(Context context, String fileName, String writeStr) throws IOException {
    try {//from w  w w . ja  va2  s .com
        FileOutputStream fOut = context.openFileOutput(fileName, 0);
        byte[] bytes = writeStr.getBytes();
        fOut.write(bytes);
        fOut.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void writeTofiles(Context context, Bitmap bitmap, String filename) {
    BufferedOutputStream outputStream = null;
    try {/*from  ww w.  j a v  a 2s.  co m*/
        outputStream = new BufferedOutputStream(context.openFileOutput(filename, Context.MODE_PRIVATE));
        bitmap.compress(Bitmap.CompressFormat.PNG, 100, outputStream);
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void writeInputStreamToFile(InputStream is, String fileName, Context context)
        throws FileNotFoundException, IOException {

    FileOutputStream fos = null;/*from   ww  w .  j ava 2 s.c  o  m*/

    try {
        fos = context.openFileOutput(fileName, Context.MODE_PRIVATE);
        byte buf[] = new byte[1024];
        int len = 0;
        while ((len = is.read(buf)) > 0) {
            fos.write(buf, 0, len);
        }
        fos.close();

    } catch (Exception exp) {
        Log.v(TAG, "Failed to write to file exp:" + exp.getMessage());
        exp.printStackTrace();
    }
}

From source file:Main.java

public static void writeByteArray(Context context, byte[] data, String fileName) {

    FileOutputStream outputStream;

    try {// w w w  .jav  a 2 s .  co  m
        outputStream = context.openFileOutput(fileName, Context.MODE_PRIVATE);
        BufferedOutputStream bos = new BufferedOutputStream(outputStream);
        for (byte s : data) {
            bos.write(s);
        }
        bos.close();
        outputStream.close();

    } catch (Exception e) {
        Log.e(TAG, e.getMessage(), e);
    }
}

From source file:Main.java

/**
 * Method - saveMessage/* w  w w .  j  a  va 2s  .co  m*/
 * 
 * Description - Saves messages to the file by either appending or rewriting, used by any activity that needs to save the messages
 * 
 * @param ctx - Context of the Application that called the function
 * @param message - The messages to save to the file, most often a long String of several files
 * @param mode - Very likely either Context.MODE_APPEND or Context.MODE_PRIVATE for appending or rewriting respectively
 */

public static void saveMessage(Context ctx, String message, int mode) {
    try {

        // Creating objects to write to the file
        FileOutputStream fos = ctx.openFileOutput("messages.dat", mode);
        OutputStreamWriter osw = new OutputStreamWriter(fos);

        osw.write(message); // Writing to the file
        osw.flush(); // Making sure all characters have been written

        // Closing objects after writing has finished
        osw.close();
        fos.close();

    } catch (FileNotFoundException e) {
        return;
    } catch (IOException e) {
        return;
    }
}

From source file:Main.java

public static void writeToInternalStorage(Context context, String fileName, String json) {

    FileOutputStream outputStream = null;
    try {//from  ww w . j a  va  2 s.co m
        outputStream = context.openFileOutput(fileName, Context.MODE_PRIVATE);
        for (byte s : json.getBytes(StandardCharsets.UTF_8)) {
            outputStream.write(s);
        }
    } catch (Exception e) {
        Log.e(TAG, e.getMessage(), e);
    } finally {
        if (outputStream != null) {
            try {
                outputStream.close();
            } catch (IOException e) {
                Log.e(TAG, e.getMessage(), e);
            }
        }
    }
}

From source file:Main.java

public static boolean saveObject(Context cxt, Serializable obj, String file) {
    FileOutputStream fos = null;//from ww w  .  j  ava2  s .  c om
    ObjectOutputStream oos = null;

    try {
        fos = cxt.openFileOutput(file, Context.MODE_PRIVATE);
        oos = new ObjectOutputStream(fos);
        oos.writeObject(obj);
        oos.flush();
        return true;
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    } finally {
        try {
            oos.close();
        } catch (Exception e) {
        }
        try {
            fos.close();
        } catch (Exception e) {
        }
    }
}

From source file:Main.java

public static boolean writeParcelable(Context context, String fileName, Parcelable parcelObject) {
    boolean success = false;
    FileOutputStream fos = null;/*from w w w .j  a va2  s.  c  om*/
    try {
        fos = context.openFileOutput(fileName, Context.MODE_PRIVATE);
        Parcel parcel = Parcel.obtain();
        parcel.writeParcelable(parcelObject, Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
        byte[] data = parcel.marshall();
        fos.write(data);

        success = true;
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (fos != null) {
            try {
                fos.close();
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }
        }
    }

    return success;
}

From source file:Main.java

static void createOptOut(Context context, boolean optedOut) {
    FileOutputStream stream = null;
    try {/*from  ww  w. ja v  a2  s . c  om*/
        stream = context.openFileOutput(QCMEASUREMENT_OPTOUT_STRING,
                Context.MODE_WORLD_WRITEABLE | Context.MODE_WORLD_READABLE);
        stream.write(optedOut ? 1 : 0);
    } catch (Exception ignored) {
    } finally {
        try {
            if (stream != null) {
                stream.close();
            }
        } catch (IOException ignored) {
        }
    }
}

From source file:Main.java

public static void write(Context context, String fileName, String content) {
    if (content == null)
        content = "";

    try {/*w  w  w .j av a2  s .  c  o  m*/
        FileOutputStream fos = context.openFileOutput(fileName, Context.MODE_PRIVATE);
        fos.write(content.getBytes());
        fos.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}