我有这个 json,在这个产品代码中有“产品代码”,还有另一个 jsonobject 和字符串。
我想要的是,当我输入“产品代码”时,会显示建议的描述。
我在输入产品描述代码时已经得到了建议描述的显示,但它似乎以错误的方式显示。
我的意思是,当我输入“产品代码”“BI”时,建议描述的显示是这样的
{"GNT": "GIANT","TRL": "TREEK","CNN": "CNDALE","ST": "SANTA","SCT": "SCOTT"
这是我的json
{
"BI": {
"desc": {
"MBIK": "MOUNTAIN BIKE",
"FBIK": "FOLDING BIKE",
"EBIK": "E-BIKE",
"OTHER": "OTHER"
},
"brand": {
"GNT": "GIANT",
"TRL": "TREEK",
"CNN": "CNDALE",
"STC": "SANTA",
"SCT": "SCOTT"
},
"category": "BICYCLE & EBIKE STORE"
},
"CA": {
"desc": {
"CARA": "CAR AUDIO",
"CARS": "CAR SPEAKER",
"TIRE": "CAR TIRE",
"OTHER": "OTHER"
},
"brand": {
"AIC": "AICHI",
"BRI": "BRIGDESTONE",
"CON": "CONTINENTAL",
"DUN": "DUNLOP",
"FAL": "FALKEN GR"
}
"category": "CAR ACCESORIES"
},
and so on.. {
}
}
这是将我的 json 解析为 fragment 的代码
private void loadLookupCategoryJson() {
mLookupProducts = new ArrayList<>();
mArrayStringLookupProduct = new ArrayList<>();
try {
JSONObject json = new JSONObject(loadLookupBrandJSON());
Iterator<String> keys = json.keys();
while(keys.hasNext()) {
String key = keys.next();
JSONObject obj = (JSONObject) json.get(key);
JSONObject brand = obj.getJSONObject(Keys.CATEGORY_BRAND);
JSONObject desc = obj.getJSONObject(Keys.CATEGORY_DESC);
String category = obj.getString(Keys.CATEGORY);
LookupProducts lookupProduct = new LookupProducts(key, brand, desc, category);
mLookupProducts.add(lookupProduct);
mArrayStringLookupProduct.add(String.valueOf(brand));
}
} catch (JSONException e) {
e.printStackTrace();
}
}
这是我得到的品牌动态字段
} else if (format.equalsIgnoreCase(Keys.AUTO_COMPLETE_FIELD)) {
addTextViews(title);
addAutoCompleteField(desc, inputType, title, mKeys.get(i), mArrayStringLookupProduct, maxLength, minLength);
}
我希望输出应该是这样的
输入文本:T
建议展示:GIANT 崔克 圣诞老人 斯科特
显示所有带“T”的值
实际输出
输入文本:BI
建议显示:{"GNT": "GIANT","TRL": "TREEK","CNN": "CNDALE","ST": "SANTA","SCT": "SCOTT"
最佳答案
- 在这行代码中 - mArrayStringLookupProduct.add(String.valueOf(brand)); 您正在将整个 jsonObject 添加到 mArrayStringLookupProduct ArrayList 中。
- 在此 ArrayList 中您只需要 JSONObject 品牌的值。
您可以进行以下更改-
JSONObject brand = obj.getJSONObject(Keys.CATEGORY_BRAND);
JSONObject desc = obj.getJSONObject(Keys.CATEGORY_DESC);
String category = obj.getString(Keys.CATEGORY);
lookupProduct = new LookupProducts(key, brand, desc, category);
mLookupProducts.add(lookupProduct);
// iterate every brand key, fetch its value and add in arrayList
Iterator<String> brandKeys = brand.keys();
while(brandKeys.hasNext()) {
String bKey = brandKeys.next();
mArrayStringLookupProduct.add((String) brand.get(bKey));
}
关于java - 如何使用 json 文件显示自动完成字段的建议?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/56388750/