android 点滴成长

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/**
 * 中文转化为url编码
 * @param s
 * @return
 */
private  String bbb(String s){
  StringBuffer sb = new StringBuffer();
  for (int i = 0; i < s.length(); i++) {
    char c = s.charAt(i);
    if (c >= 0 && c <= 255) {
      sb.append(c);
    } else {
      byte[] b;
      try {
        b = String.valueOf(c).getBytes("utf-8");
      } catch (Exception ex) {
        System.out.println(ex);
        b = new byte[0];
      }
      for (int j = 0; j < b.length; j++) {
        int k = b[j];
        if (k < 0)
          k += 256;
        sb.append("%" + Integer.toHexString(k).toUpperCase());
      }
    }
  }
  return sb.toString();

}

/**
 * url编码
 * @param str
 */
public void aaaa(String str) {
  try {
    String strUTF8 = URLDecoder.decode(str, "UTF-8");
    Toast.makeText(this,strUTF8,Toast.LENGTH_SHORT).show();
  } catch (UnsupportedEncodingException e) {
    e.printStackTrace();
  }
}

/**
 * 复制到剪切板
 * @param str
 */
private void cccc(String str){
  ClipboardManager myClipboard = (ClipboardManager)getSystemService(CLIPBOARD_SERVICE);
  ClipData myClip = ClipData.newPlainText("text", str);
  myClipboard.setPrimaryClip(myClip);
}