Save app LogCat logs to file

AndroidManifest.xml

    <!--To fetch LogCat logs-->
    <uses-permission android:name="android.permission.READ_LOGS" />

LogCatUtil.java

public class LogCatUtil {

    public static void fetch(File file) throws IOException {
        FileOutputStream fos = new FileOutputStream(file);
        fetch(fos, true);
    }

    private static void fetch(OutputStream out, boolean close) throws IOException {
        byte[] log = new byte[1024 * 2];
        InputStream in = null;
        try {
            Process proc = Runtime.getRuntime().exec("logcat -d -v time");
            in = proc.getInputStream();
            int read = in.read(log);
            while (-1 != read) {
                out.write(log, 0, read);
                read = in.read(log);
            }
        } finally {
            if (null != in) {
                try {
                    in.close();
                } catch (IOException e) {
                    // ignore
                }
            }
            if (null != out) {
                try {
                    out.flush();
                    if (close) {
                        out.close();
                    }
                } catch (IOException e) {
                    // ignore
                }
            }
        }
    }

}