add random str

src/main/java/tech/starwin/network/Gateway.java

@@ -68,6 +68,14 @@ public class Gateway {
         return gatewayInfo.harvester.get(0);
     }
 
+    /**
+     * 图像验证码地址
+     * */
+    public static String getCaptchaCode(String sid) {
+        String url =  gatewayInfo.rest.get(0)+"/auth/captcha?sid=%1$s&width=%2$d&height=%3$d";
+        return String.format(url, sid, 200, 80);
+    }
+
 
     public static String getAdminUrl() {
         return gatewayInfo.admin.get(0);

src/main/java/tech/starwin/utils/format_utils/StringFormat.java

@@ -17,6 +17,7 @@ import java.text.DecimalFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Date;
+import java.util.Random;
 import java.util.TimeZone;
 
 import tech.starwin.R;
@@ -261,4 +262,16 @@ public class StringFormat {
     }
 
 
+    public static String getRandomString(int length){
+        String str="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+        Random random=new Random();
+        StringBuffer sb=new StringBuffer();
+        for(int i=0;i<length;i++){
+            int number=random.nextInt(62);
+            sb.append(str.charAt(number));
+        }
+        return sb.toString();
+    }
+
+
 }

src/main/res/values/strings.xml

@@ -17,6 +17,7 @@
     <string name="edittext_phone_number_hint">Silahkan masukkan nomor HP Anda</string>
     <string name="edittext_SMS_code_hint">Silahkan masukkan kode</string>
     <string name="button_obtain_code">Dapatkan Kode</string>
+    <string name="button_captcha_code">Kode verifikasi grafis</string>
     <string name="button_login">Login</string>
     <string name="edittext_graphical_code">Kode Verifikasi Bentuk Grafik</string>
     <string name="login_statement">Tekan Tombol Setuju \"Perjanjian Layanan Registrasi dan Privasi\"</string>