优化版本格式检查逻辑，spinner看不清增加背景色

main/java/com/hty/browser/MainActivity.java

@@ -43,6 +43,7 @@ import android.content.res.Configuration;
 import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.graphics.Color;
 import android.graphics.Matrix;
 import android.graphics.drawable.BitmapDrawable;
 import android.media.MediaScannerConnection;
@@ -715,6 +716,7 @@ public class MainActivity extends Activity {
                         editText_url.setText(list_webView.get(currentPage).getUrl());
                         layout.addView(editText_url);
                         final Spinner spinner = new Spinner(MainActivity.this);
+                        spinner.setBackgroundColor(Color.GRAY);
                         ArrayList<String> list = new ArrayList<>();
                         DBHelper helper = new DBHelper(MainActivity.this);
                         Cursor cursor = helper.category();
@@ -1186,14 +1188,14 @@ public class MainActivity extends Activity {
             InputStreamReader ISR = new InputStreamReader(IS);
             BufferedReader BR = new BufferedReader(ISR);
             String versionS = BR.readLine();
-            if (!versionS.startsWith("{") && !versionS.endsWith("}")) {
+            if (versionS.startsWith("{") && versionS.endsWith("}")) {
+                versionS = versionS.replace("{", "");
+                versionS = versionS.replace("}", "");
+            } else {
                 Looper.prepare();
                 Toast.makeText(getApplicationContext(),  "服务器版本号解析错误：\n" + versionS, Toast.LENGTH_SHORT).show();
                 Looper.myLooper().loop();
                 return;
-            } else {
-                versionS = versionS.replace("{", "");
-                versionS = versionS.replace("}", "");
             }
             Log.e(Thread.currentThread().getStackTrace()[2] + "", versionS + " > " + versionL + " ?");
             String[] AVersionS = versionS.split("\\.");