Hash String md5, sha1

encode_decode.java

import android.support.v4.view.MotionEventCompat;
import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Hash {
    public static String getHash(String txt, String hashType) {
        try {
            byte[] array = MessageDigest.getInstance(hashType).digest(txt.getBytes());
            StringBuffer sb = new StringBuffer();
            for (byte b : array) {
                sb.append(Integer.toHexString((b & MotionEventCompat.ACTION_MASK) | AccessibilityNodeInfoCompat.ACTION_NEXT_AT_MOVEMENT_GRANULARITY).substring(1, 3));
            }
            return sb.toString();
        } catch (NoSuchAlgorithmException e) {
            return null;
        }
    }

    public static String md5(String txt) {
        return getHash(txt, "MD5");
    }

    public static String sha1(String txt) {
        return getHash(txt, "SHA1");
    }
}