diff --git a/default.properties b/default.properties
index 4735723..9d6f70d 100644
--- a/default.properties
+++ b/default.properties
@@ -8,6 +8,6 @@
# project structure.
# Project target.
-target=android-8
+target=android-4
# Indicates whether an apk should be generated for each density.
split.density=false
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 12257ae..b3b6094 100755
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1,6 +1,6 @@
+ * This class is used to encode and decode data in Base64 format as described in RFC 1521. + * + *
+ * Project home page: www.source-code.biz/base64coder/java
+ * Author: Christian d'Heureuse, Inventec Informatik AG, Zurich, Switzerland
+ * Multi-licensed: EPL / LGPL / GPL / AL / BSD / MIT.
+ */
+public class Base64Coder {
+
+// The line separator string of the operating system.
+ private static final String systemLineSeparator = System.getProperty("line.separator");
+// Mapping table from 6-bit nibbles to Base64 characters.
+ private static final char[] map1 = new char[64];
+
+ static {
+ int i = 0;
+ for (char c = 'A'; c <= 'Z'; c++) {
+ map1[i++] = c;
+ }
+ for (char c = 'a'; c <= 'z'; c++) {
+ map1[i++] = c;
+ }
+ for (char c = '0'; c <= '9'; c++) {
+ map1[i++] = c;
+ }
+ map1[i++] = '+';
+ map1[i++] = '/';
+ }
+// Mapping table from Base64 characters to 6-bit nibbles.
+ private static final byte[] map2 = new byte[128];
+
+ static {
+ for (int i = 0; i < map2.length; i++) {
+ map2[i] = -1;
+ }
+ for (int i = 0; i < 64; i++) {
+ map2[map1[i]] = (byte) i;
+ }
+ }
+
+ /**
+ * Encodes a string into Base64 format.
+ * No blanks or line breaks are inserted.
+ * @param s A String to be encoded.
+ * @return A String containing the Base64 encoded data.
+ */
+ public static String encodeString(String s) {
+ return new String(encode(s.getBytes()));
+ }
+
+ /**
+ * Encodes a byte array into Base 64 format and breaks the output into lines of 76 characters.
+ * This method is compatible with sun.misc.BASE64Encoder.encodeBuffer(byte[])
.
+ * @param in An array containing the data bytes to be encoded.
+ * @return A String containing the Base64 encoded data, broken into lines.
+ */
+ public static String encodeLines(byte[] in) {
+ return encodeLines(in, 0, in.length, 76, systemLineSeparator);
+ }
+
+ /**
+ * Encodes a byte array into Base 64 format and breaks the output into lines.
+ * @param in An array containing the data bytes to be encoded.
+ * @param iOff Offset of the first byte in in
to be processed.
+ * @param iLen Number of bytes to be processed in in
, starting at iOff
.
+ * @param lineLen Line length for the output data. Should be a multiple of 4.
+ * @param lineSeparator The line separator to be used to separate the output lines.
+ * @return A String containing the Base64 encoded data, broken into lines.
+ */
+ public static String encodeLines(byte[] in, int iOff, int iLen, int lineLen, String lineSeparator) {
+ int blockLen = (lineLen * 3) / 4;
+ if (blockLen <= 0) {
+ throw new IllegalArgumentException();
+ }
+ int lines = (iLen + blockLen - 1) / blockLen;
+ int bufLen = ((iLen + 2) / 3) * 4 + lines * lineSeparator.length();
+ StringBuilder buf = new StringBuilder(bufLen);
+ int ip = 0;
+ while (ip < iLen) {
+ int l = Math.min(iLen - ip, blockLen);
+ buf.append(encode(in, iOff + ip, l));
+ buf.append(lineSeparator);
+ ip += l;
+ }
+ return buf.toString();
+ }
+
+ /**
+ * Encodes a byte array into Base64 format.
+ * No blanks or line breaks are inserted in the output.
+ * @param in An array containing the data bytes to be encoded.
+ * @return A character array containing the Base64 encoded data.
+ */
+ public static char[] encode(byte[] in) {
+ return encode(in, 0, in.length);
+ }
+
+ /**
+ * Encodes a byte array into Base64 format.
+ * No blanks or line breaks are inserted in the output.
+ * @param in An array containing the data bytes to be encoded.
+ * @param iLen Number of bytes to process in in
.
+ * @return A character array containing the Base64 encoded data.
+ */
+ public static char[] encode(byte[] in, int iLen) {
+ return encode(in, 0, iLen);
+ }
+
+ /**
+ * Encodes a byte array into Base64 format.
+ * No blanks or line breaks are inserted in the output.
+ * @param in An array containing the data bytes to be encoded.
+ * @param iOff Offset of the first byte in in
to be processed.
+ * @param iLen Number of bytes to process in in
, starting at iOff
.
+ * @return A character array containing the Base64 encoded data.
+ */
+ public static char[] encode(byte[] in, int iOff, int iLen) {
+ int oDataLen = (iLen * 4 + 2) / 3; // output length without padding
+ int oLen = ((iLen + 2) / 3) * 4; // output length including padding
+ char[] out = new char[oLen];
+ int ip = iOff;
+ int iEnd = iOff + iLen;
+ int op = 0;
+ while (ip < iEnd) {
+ int i0 = in[ip++] & 0xff;
+ int i1 = ip < iEnd ? in[ip++] & 0xff : 0;
+ int i2 = ip < iEnd ? in[ip++] & 0xff : 0;
+ int o0 = i0 >>> 2;
+ int o1 = ((i0 & 3) << 4) | (i1 >>> 4);
+ int o2 = ((i1 & 0xf) << 2) | (i2 >>> 6);
+ int o3 = i2 & 0x3F;
+ out[op++] = map1[o0];
+ out[op++] = map1[o1];
+ out[op] = op < oDataLen ? map1[o2] : '=';
+ op++;
+ out[op] = op < oDataLen ? map1[o3] : '=';
+ op++;
+ }
+ return out;
+ }
+
+ /**
+ * Decodes a string from Base64 format.
+ * No blanks or line breaks are allowed within the Base64 encoded input data.
+ * @param s A Base64 String to be decoded.
+ * @return A String containing the decoded data.
+ * @throws IllegalArgumentException If the input is not valid Base64 encoded data.
+ */
+ public static String decodeString(String s) {
+ return new String(decode(s));
+ }
+
+ /**
+ * Decodes a byte array from Base64 format and ignores line separators, tabs and blanks.
+ * CR, LF, Tab and Space characters are ignored in the input data.
+ * This method is compatible with sun.misc.BASE64Decoder.decodeBuffer(String)
.
+ * @param s A Base64 String to be decoded.
+ * @return An array containing the decoded data bytes.
+ * @throws IllegalArgumentException If the input is not valid Base64 encoded data.
+ */
+ public static byte[] decodeLines(String s) {
+ char[] buf = new char[s.length()];
+ int p = 0;
+ for (int ip = 0; ip < s.length(); ip++) {
+ char c = s.charAt(ip);
+ if (c != ' ' && c != '\r' && c != '\n' && c != '\t') {
+ buf[p++] = c;
+ }
+ }
+ return decode(buf, 0, p);
+ }
+
+ /**
+ * Decodes a byte array from Base64 format.
+ * No blanks or line breaks are allowed within the Base64 encoded input data.
+ * @param s A Base64 String to be decoded.
+ * @return An array containing the decoded data bytes.
+ * @throws IllegalArgumentException If the input is not valid Base64 encoded data.
+ */
+ public static byte[] decode(String s) {
+ return decode(s.toCharArray());
+ }
+
+ /**
+ * Decodes a byte array from Base64 format.
+ * No blanks or line breaks are allowed within the Base64 encoded input data.
+ * @param in A character array containing the Base64 encoded data.
+ * @return An array containing the decoded data bytes.
+ * @throws IllegalArgumentException If the input is not valid Base64 encoded data.
+ */
+ public static byte[] decode(char[] in) {
+ return decode(in, 0, in.length);
+ }
+
+ /**
+ * Decodes a byte array from Base64 format.
+ * No blanks or line breaks are allowed within the Base64 encoded input data.
+ * @param in A character array containing the Base64 encoded data.
+ * @param iOff Offset of the first character in in
to be processed.
+ * @param iLen Number of characters to process in in
, starting at iOff
.
+ * @return An array containing the decoded data bytes.
+ * @throws IllegalArgumentException If the input is not valid Base64 encoded data.
+ */
+ public static byte[] decode(char[] in, int iOff, int iLen) {
+ if (iLen % 4 != 0) {
+ throw new IllegalArgumentException("Length of Base64 encoded input string is not a multiple of 4.");
+ }
+ while (iLen > 0 && in[iOff + iLen - 1] == '=') {
+ iLen--;
+ }
+ int oLen = (iLen * 3) / 4;
+ byte[] out = new byte[oLen];
+ int ip = iOff;
+ int iEnd = iOff + iLen;
+ int op = 0;
+ while (ip < iEnd) {
+ int i0 = in[ip++];
+ int i1 = in[ip++];
+ int i2 = ip < iEnd ? in[ip++] : 'A';
+ int i3 = ip < iEnd ? in[ip++] : 'A';
+ if (i0 > 127 || i1 > 127 || i2 > 127 || i3 > 127) {
+ throw new IllegalArgumentException("Illegal character in Base64 encoded data.");
+ }
+ int b0 = map2[i0];
+ int b1 = map2[i1];
+ int b2 = map2[i2];
+ int b3 = map2[i3];
+ if (b0 < 0 || b1 < 0 || b2 < 0 || b3 < 0) {
+ throw new IllegalArgumentException("Illegal character in Base64 encoded data.");
+ }
+ int o0 = (b0 << 2) | (b1 >>> 4);
+ int o1 = ((b1 & 0xf) << 4) | (b2 >>> 2);
+ int o2 = ((b2 & 3) << 6) | b3;
+ out[op++] = (byte) o0;
+ if (op < oLen) {
+ out[op++] = (byte) o1;
+ }
+ if (op < oLen) {
+ out[op++] = (byte) o2;
+ }
+ }
+ return out;
+ }
+
+// Dummy constructor.
+ private Base64Coder() {
+ }
+} // end class Base64Coder
diff --git a/src/org/envaya/kalsms/HttpTask.java b/src/org/envaya/kalsms/HttpTask.java
index 8eedc33..c9737dd 100755
--- a/src/org/envaya/kalsms/HttpTask.java
+++ b/src/org/envaya/kalsms/HttpTask.java
@@ -5,7 +5,6 @@
package org.envaya.kalsms;
import android.os.AsyncTask;
-import android.util.Base64;
import java.io.IOException;
import java.io.InputStream;
import java.security.MessageDigest;
@@ -67,7 +66,7 @@ public class HttpTask extends AsyncTask