首先用OKHttp3获取网络上的数据,并保存到Serializeable的Bean类集合
OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder()
.url(path+i)
.build();
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
}
@Override
public void onResponse(Call call, Response response) throws IOException {
if(response.isSuccessful()){
String str = response.body().string();
QBean Q = new Gson().fromJson(str,QBean.class);
list.addAll(Q.getData());
response.body().close();//关闭反应体
handler.sendEmptyMessage(1);//获取完网络数据 调用handler更新数据
Log.e("oooo",i+"");
}
}
});
之后通知Handler更新数据
private Handler handler = new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
initData();
handler.removeMessages(1);;//关闭handler 防止内存泄漏
}
};
}
private void initData() {
adapter = new MyAdapter(MainActivity.this,list);
list_view_id.setAdapter(adapter);
initData_data();
arrayAdapter = new ArrayAdapter<>(this,android.R.layout.simple_list_item_1,data) ;
auto_text_view.setAdapter(arrayAdapter);
}
在这里 AutoCompleteTextView 使用的是 数组适配 做到简单快速
之后是 实现网络数据 与 AutoCompleteTextView适配器里面的一个更新交互
data = new ArrayList<>();
if(list.size()<=0){
return;
}else {
for (int i = 0; i < list.size(); i++) {
String tit = list.get(i).getTitle().trim().toString();
data.add(tit);
}
}
最后 实现数据传递 以及 接收收据
重点:
AutoCompleteTextView 的 OnItemSelectedListener事件没有做处理!
所以在使用这个类时,OnItemClickListener有效果,而OnItemSelectedListener没有效果的
auto_text_view.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
Log.e("onItemClick",i+"");
for (int k = 0; k < data.size(); k++) {
if(auto_text_view.getText().toString().equals(data.get(k))){
Intent intent = new Intent(MainActivity.this,DetailsActivity.class);
ArrayList<QBean.DataBean> bean = new ArrayList<>();//todo 获取需要的信息
bean.add(list.get(k));
intent.putExtra("bean",bean);
startActivity(intent);
finish();
}
}
}
});
之后 跳转 接收就可以啦
MainActivity:
public class MainActivity extends AppCompatActivity {
private String path = "http://www.qubaobei.com/ios/cf/dish_list.php?stage_id=1&limit=20&page=";
private AutoCompleteTextView auto_text_view;
private ListView list_view_id;
private ArrayList<QBean.DataBean> list = new ArrayList<>();
ArrayList<String> data;
private MyAdapter adapter;
private ArrayAdapter<String> arrayAdapter;
private Handler handler = new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
initData();
handler.removeMessages(1);//关闭handler 防止内存泄漏
}
};
private Button but_id;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
for (int i = 1; i < 17; i++) {
getData(i);
}
but_id.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if(list.isEmpty()){
Toast.makeText(MainActivity.this, "网络异常!请稍后重试...", Toast.LENGTH_SHORT).show();
return;
}else{
arrayAdapter.notifyDataSetChanged();
adapter.notifyDataSetChanged();
}
}
});
auto_text_view.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
Log.e("onItemClick",i+"");
for (int k = 0; k < data.size(); k++) {
if(auto_text_view.getText().toString().equals(data.get(k))){
Intent intent = new Intent(MainActivity.this,DetailsActivity.class);
ArrayList<QBean.DataBean> bean = new ArrayList<>();//todo 获取需要的信息
bean.add(list.get(k));
intent.putExtra("bean",bean);
startActivity(intent);
finish();
}
}
}
});
}
private void initData_data() {
data = new ArrayList<>();
if(list.size()<=0){
return;
}else {
for (int i = 0; i < list.size(); i++) {
String tit = list.get(i).getTitle().trim().toString();
data.add(tit);
}
}
Log.e("aaa",data.toString());
}
private void initData() {
adapter = new MyAdapter(MainActivity.this,list);
list_view_id.setAdapter(adapter);
initData_data();
arrayAdapter = new ArrayAdapter<>(this,android.R.layout.simple_list_item_1,data) ;
auto_text_view.setAdapter(arrayAdapter);
}
private void getData(final int i) {
OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder()
.url(path+i)
.build();
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
}
@Override
public void onResponse(Call call, Response response) throws IOException {
if(response.isSuccessful()){
String str = response.body().string();
QBean Q = new Gson().fromJson(str,QBean.class);
list.addAll(Q.getData());
response.body().close();//关闭反应体
handler.sendEmptyMessage(1);//获取完网络数据 调用handler更新数据
Log.e("oooo",i+"");
}
}
});
}
private void initView() {
auto_text_view = (AutoCompleteTextView) findViewById(R.id.auto_text_view);
list_view_id = (ListView) findViewById(R.id.list_view_id);
but_id = (Button) findViewById(R.id.but_id);
}
}
DetailsActivity:
private ImageView image_id;
private TextView titles;
private TextView more_id;
String img_url,title,food_str,collect_num;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_details);
initView();
ArrayList<QBean.DataBean> data = (ArrayList<QBean.DataBean>) getIntent().getSerializableExtra("bean");
//接收信息
img_url = data.get(0).getPic();//获取对应信息
title = data.get(0).getTitle();
food_str = data.get(0).getFood_str();
collect_num = data.get(0).getCollect_num();
Picasso.with(this).load(img_url).into(image_id);
titles.setText(title);
more_id.setText("价格:¥"+collect_num+"\n\n"+"配料:"+food_str);
}
private void initView() {
image_id = (ImageView) findViewById(R.id.image_id);
titles = (TextView) findViewById(R.id.title);
more_id = (TextView) findViewById(R.id.more_id);
}
Bean类:
public class QBean implements Serializable{
/**
* ret : 1
* data : [{"id":"8289","title":"油焖大虾","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/9/8289.jpg","collect_num":"1662","food_str":"大虾 葱 生姜 植物油 料酒","num":1662},{"id":"2127","title":"四川回锅肉","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/3/2127.jpg","collect_num":"1590","food_str":"猪肉 青蒜 青椒 红椒 姜片","num":1590},{"id":"30630","title":"超简单芒果布丁","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/31/30630.jpg","collect_num":"1536","food_str":"QQ糖 牛奶 芒果","num":1536},{"id":"9073","title":"家常红烧鱼","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/10/9073.jpg","collect_num":"1421","food_str":"鲜鱼 姜 葱 蒜 花椒","num":1421},{"id":"10097","title":"家常煎豆腐","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/11/10097.jpg","collect_num":"1414","food_str":"豆腐 新鲜红椒 青椒 葱花 油","num":1414},{"id":"10509","title":"水煮肉片","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/11/10509.jpg","collect_num":"1339","food_str":"瘦猪肉 生菜 豆瓣酱 干辣椒 花椒","num":1339},{"id":"46968","title":"红糖苹果银耳汤","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/47/46968.jpg","collect_num":"1251","food_str":"银耳 苹果 红糖","num":1251},{"id":"10191","title":"麻婆豆腐","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/11/10191.jpg","collect_num":"1217","food_str":"豆腐 肉末 生抽 白糖 芝麻油","num":1217},{"id":"2372","title":"皮蛋瘦肉粥","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/3/2372.jpg","collect_num":"1149","food_str":"大米 皮蛋 猪肉 油条 香葱","num":1149},{"id":"2166","title":"蚂蚁上树","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/3/2166.jpg","collect_num":"1143","food_str":"红薯粉 肉 姜 蒜 花椒","num":1143},{"id":"2262","title":"糖醋肉","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/3/2262.jpg","collect_num":"1076","food_str":"猪肉 红椒 黄椒 洋葱 蛋清","num":1076},{"id":"9971","title":"鱼香豆腐","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/10/9971.jpg","collect_num":"1009","food_str":"豆腐 木耳 胡萝卜 香葱 番茄酱","num":1009},{"id":"10172","title":"干煸四季豆","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/11/10172.jpg","collect_num":"990","food_str":"四季豆 干辣椒 蒜头 酱油 糖","num":990},{"id":"2685","title":"胡萝卜肉末蒸蛋","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/3/2685.jpg","collect_num":"924","food_str":"胡萝卜 肉 蛋 生抽 盐","num":924},{"id":"9972","title":"虎皮青椒","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/10/9972.jpg","collect_num":"891","food_str":"青辣椒 大蒜 香醋 白糖 生抽","num":891},{"id":"10437","title":"叉烧排骨","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/11/10437.jpg","collect_num":"799","food_str":"排骨 李锦记叉烧酱 植物油 清水 油菜","num":799},{"id":"2892","title":"\u201c五行\u201d彩蔬汤","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/3/2892.jpg","collect_num":"758","food_str":"黑木耳 玉米 牛蒡 胡萝卜 西兰花","num":758},{"id":"33783","title":"美人豆浆","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/34/33783.jpg","collect_num":"755","food_str":"黄豆 红豆 绿豆 黑豆 黑米","num":755},{"id":"2348","title":"麻辣肉丝面","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/3/2348.jpg","collect_num":"755","food_str":"面条 肉丝 淀粉 酱油 辣椒","num":755},{"id":"10044","title":"土豆炖翅根","pic":"http://www.qubaobei.com/ios/cf/uploadfile/132/11/10044.jpg","collect_num":"753","food_str":"土豆 翅根 葱 姜 料酒","num":753}]
*/
private int ret;
private List<DataBean> data;
public int getRet() {
return ret;
}
public void setRet(int ret) {
this.ret = ret;
}
public List<DataBean> getData() {
return data;
}
public void setData(List<DataBean> data) {
this.data = data;
}
public static class DataBean implements Serializable{
/**
* id : 8289
* title : 油焖大虾
* pic : http://www.qubaobei.com/ios/cf/uploadfile/132/9/8289.jpg
* collect_num : 1662
* food_str : 大虾 葱 生姜 植物油 料酒
* num : 1662
*/
private String id;
private String title;
private String pic;
private String collect_num;
private String food_str;
private int num;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getPic() {
return pic;
}
public void setPic(String pic) {
this.pic = pic;
}
public String getCollect_num() {
return collect_num;
}
public void setCollect_num(String collect_num) {
this.collect_num = collect_num;
}
public String getFood_str() {
return food_str;
}
public void setFood_str(String food_str) {
this.food_str = food_str;
}
public int getNum() {
return num;
}
public void setNum(int num) {
this.num = num;
}
}
}
效果图: