Write to text file without overwriting in Java

Question

I am trying to write a method that makes a \"log.txt file\" if one does not already exist and then writes to the file. The problem that I am encountering is every time I cal

Answer 1

try this one

public void writeFile(String arg1,String arg2) {
		try {
			if (!dir.exists()) {

				if (dir.mkdirs()) {

					Toast.makeText(getBaseContext(), "Directory created",
							Toast.LENGTH_SHORT).show();
				} else {
					Toast.makeText(getBaseContext(),
							"Error writng file " + filename, Toast.LENGTH_LONG)
							.show();
				}
			}

			else {

				File file = new File(dir, filename);
				if (!file.exists()) {
					file.createNewFile();
				}
				
				FileWriter fileWritter = new FileWriter(file, true);
				BufferedWriter bufferWritter = new BufferedWriter(fileWritter);
				bufferWritter.write(arg1 + "\n");
				bufferWritter.close();

            } catch (Exception e) {
			e.printStackTrace();
			Toast.makeText(getBaseContext(),
					"Error writng file " + e.toString(), Toast.LENGTH_LONG)
					.show();
		}

	}