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Java 如何在Android中集成Pull到RefreshListview 公共类AndroidJSONParsingActivity扩展了ListActivity{ //发出请求的url 专用静态字符串url=”http://api.androidhive.info/contacts/"; //JSON节点名称 专用静态最终字符串标记_CONTACTS=“CONTACTS”; 私有静态最终字符串标记\u ID=“ID”; 私有静态最终字符串标记_NAME=“NAME”; 私有静态最终字符串标记\u EMAIL=“EMAIL”; 私有静态最终字符串标记_ADDRESS=“ADDRESS”; 私有静态最终字符串标记_GENDER=“GENDER”; 专用静态最终字符串标记_PHONE=“PHONE”; 专用静态最终字符串标记\u PHONE\u MOBILE=“MOBILE”; 专用静态最终字符串标记\u PHONE\u HOME=“HOME”; 专用静态最终字符串标记\u PHONE\u OFFICE=“OFFICE”; 静态最终int菜单\手动\刷新=0; 静态最终整数菜单\禁用\滚动=1; 静态最终整数菜单\设置\模式=2; 私有链接列表; //私有PullToRefreshView mPullRefreshListView; //联系JSONArray JSONArray联系人=null; @凌驾 创建时的公共void(Bundle savedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.main); //ListView的Hashmap ArrayList contactList=新建ArrayList(); //创建JSON解析器实例 JSONParser jParser=新的JSONParser(); //从URL获取JSON字符串 JSONObject json=jParser.getJSONFromUrl(url); 试一试{ //获取联系人数组 contacts=json.getJSONArray(TAG_contacts); //通过所有触点循环 对于(int i=0;ivalue 地图放置(标签标识,标识); 地图放置(标签名称、名称); 地图放置(标签、电子邮件、电子邮件); 地图放置(标签、手机、手机); //将哈希列表添加到ArrayList 联系人列表。添加(地图); } }捕获(JSONException e){ e、 printStackTrace(); } } }_Java_Android - Fatal编程技术网

Java 如何在Android中集成Pull到RefreshListview 公共类AndroidJSONParsingActivity扩展了ListActivity{ //发出请求的url 专用静态字符串url=”http://api.androidhive.info/contacts/"; //JSON节点名称 专用静态最终字符串标记_CONTACTS=“CONTACTS”; 私有静态最终字符串标记\u ID=“ID”; 私有静态最终字符串标记_NAME=“NAME”; 私有静态最终字符串标记\u EMAIL=“EMAIL”; 私有静态最终字符串标记_ADDRESS=“ADDRESS”; 私有静态最终字符串标记_GENDER=“GENDER”; 专用静态最终字符串标记_PHONE=“PHONE”; 专用静态最终字符串标记\u PHONE\u MOBILE=“MOBILE”; 专用静态最终字符串标记\u PHONE\u HOME=“HOME”; 专用静态最终字符串标记\u PHONE\u OFFICE=“OFFICE”; 静态最终int菜单\手动\刷新=0; 静态最终整数菜单\禁用\滚动=1; 静态最终整数菜单\设置\模式=2; 私有链接列表; //私有PullToRefreshView mPullRefreshListView; //联系JSONArray JSONArray联系人=null; @凌驾 创建时的公共void(Bundle savedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.main); //ListView的Hashmap ArrayList contactList=新建ArrayList(); //创建JSON解析器实例 JSONParser jParser=新的JSONParser(); //从URL获取JSON字符串 JSONObject json=jParser.getJSONFromUrl(url); 试一试{ //获取联系人数组 contacts=json.getJSONArray(TAG_contacts); //通过所有触点循环 对于(int i=0;ivalue 地图放置(标签标识,标识); 地图放置(标签名称、名称); 地图放置(标签、电子邮件、电子邮件); 地图放置(标签、手机、手机); //将哈希列表添加到ArrayList 联系人列表。添加(地图); } }捕获(JSONException e){ e、 printStackTrace(); } } }

Java 如何在Android中集成Pull到RefreshListview 公共类AndroidJSONParsingActivity扩展了ListActivity{ //发出请求的url 专用静态字符串url=”http://api.androidhive.info/contacts/"; //JSON节点名称 专用静态最终字符串标记_CONTACTS=“CONTACTS”; 私有静态最终字符串标记\u ID=“ID”; 私有静态最终字符串标记_NAME=“NAME”; 私有静态最终字符串标记\u EMAIL=“EMAIL”; 私有静态最终字符串标记_ADDRESS=“ADDRESS”; 私有静态最终字符串标记_GENDER=“GENDER”; 专用静态最终字符串标记_PHONE=“PHONE”; 专用静态最终字符串标记\u PHONE\u MOBILE=“MOBILE”; 专用静态最终字符串标记\u PHONE\u HOME=“HOME”; 专用静态最终字符串标记\u PHONE\u OFFICE=“OFFICE”; 静态最终int菜单\手动\刷新=0; 静态最终整数菜单\禁用\滚动=1; 静态最终整数菜单\设置\模式=2; 私有链接列表; //私有PullToRefreshView mPullRefreshListView; //联系JSONArray JSONArray联系人=null; @凌驾 创建时的公共void(Bundle savedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.main); //ListView的Hashmap ArrayList contactList=新建ArrayList(); //创建JSON解析器实例 JSONParser jParser=新的JSONParser(); //从URL获取JSON字符串 JSONObject json=jParser.getJSONFromUrl(url); 试一试{ //获取联系人数组 contacts=json.getJSONArray(TAG_contacts); //通过所有触点循环 对于(int i=0;ivalue 地图放置(标签标识,标识); 地图放置(标签名称、名称); 地图放置(标签、电子邮件、电子邮件); 地图放置(标签、手机、手机); //将哈希列表添加到ArrayList 联系人列表。添加(地图); } }捕获(JSONException e){ e、 printStackTrace(); } } },java,android,Java,Android,这是我的解析代码,我现在可以得到字符串值,我已经在我的项目中加入了JsonParser类 public class AndroidJSONParsingActivity extends ListActivity { // url to make request private static String url = "http://api.androidhive.info/contacts/"; // JSON Node names private stati

这是我的解析代码,我现在可以得到字符串值,我已经在我的项目中加入了JsonParser类

public class AndroidJSONParsingActivity extends ListActivity {

    // url to make request
    private static String url = "http://api.androidhive.info/contacts/";

    // JSON Node names
    private static final String TAG_CONTACTS = "contacts";
    private static final String TAG_ID = "id";
    private static final String TAG_NAME = "name";
    private static final String TAG_EMAIL = "email";
    private static final String TAG_ADDRESS = "address";
    private static final String TAG_GENDER = "gender";
    private static final String TAG_PHONE = "phone";
    private static final String TAG_PHONE_MOBILE = "mobile";
    private static final String TAG_PHONE_HOME = "home";
    private static final String TAG_PHONE_OFFICE = "office";

    static final int MENU_MANUAL_REFRESH = 0;
    static final int MENU_DISABLE_SCROLL = 1;
    static final int MENU_SET_MODE = 2;

    private LinkedList<String> mListItems;
    //private PullToRefreshView mPullRefreshListView;

    // contacts JSONArray
    JSONArray contacts = null;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        // Hashmap for ListView
        ArrayList<HashMap<String, String>> contactList = new ArrayList<HashMap<String, String>>();

        // Creating JSON Parser instance
        JSONParser jParser = new JSONParser();

        // getting JSON string from URL
        JSONObject json = jParser.getJSONFromUrl(url);

        try {
            // Getting Array of Contacts
            contacts = json.getJSONArray(TAG_CONTACTS);

            // looping through All Contacts
            for (int i = 0; i < contacts.length(); i++) {
                JSONObject c = contacts.getJSONObject(i);

                // Storing each json item in variable
                String id = c.getString(TAG_ID);
                String name = c.getString(TAG_NAME);
                String email = c.getString(TAG_EMAIL);
                String address = c.getString(TAG_ADDRESS);
                String gender = c.getString(TAG_GENDER);

                // Phone number is agin JSON Object
                JSONObject phone = c.getJSONObject(TAG_PHONE);
                String mobile = phone.getString(TAG_PHONE_MOBILE);
                String home = phone.getString(TAG_PHONE_HOME);
                String office = phone.getString(TAG_PHONE_OFFICE);

                // creating new HashMap
                HashMap<String, String> map = new HashMap<String, String>();

                // adding each child node to HashMap key => value
                map.put(TAG_ID, id);
                map.put(TAG_NAME, name);
                map.put(TAG_EMAIL, email);
                map.put(TAG_PHONE_MOBILE, mobile);

                // adding HashList to ArrayList
                contactList.add(map);
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }


    }

}
公共类PullToRefreshListActivity扩展活动{
静态最终int菜单\手动\刷新=0;
静态最终整数菜单\禁用\滚动=1;
静态最终整数菜单\设置\模式=2;
私有PullToRefreshView mPullRefreshListView;
私人ArrayaAdapter mAdapter;
专用静态字符串url=”http://api.androidhive.info/contacts/";
/**在首次创建活动时调用*/
私有链接列表;
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.pull\u to\u refresh\u listview);
mPullRefreshListView=(PullToRefreshView)findViewById(R.id.pull\u refresh\u list);
//设置要在刷新列表时调用的侦听器。
mPullRefreshListView.setOnRefreshListener(新的OnRefreshListener(){
@凌驾
公共void onRefresh(){
mPullRefreshListView.setLastUpdatedLabel(DateUtils
.formatDateTime(getApplicationContext(),
System.currentTimeMillis(),
DateUtils.FORMAT\u SHOW\u TIME
|DateUtils.FORMAT\u SHOW\u DATE
|DateUtils.FORMAT_ABBREV_ALL));
//请务必刷新此处的列表。
新建GetDataTask().execute();
}
});
ListView actualListView=mPullRefreshListView.getRefreshableView();
mListItems=新链接列表();
addAll(Arrays.asList(mStrings));
mAdapter=新阵列适配器(此,
android.R.layout.simple_list_item_1,mListItems);
//您也可以只使用setListAdapter(mAdapter)
actualListView.setAdapter(mAdapter);
}
私有类GetDataTask扩展了AsyncTask{
@凌驾
受保护字符串[]doInBackground(Void…params){
//模拟后台作业。
试一试{
《睡眠》(2000年);
}捕捉(中断异常e){
}
返回mstring;
}
@凌驾
受保护的void onPostExecute(字符串[]结果){
多学院
.addFirst(“刷新后添加..新版本即将推出J-elly Bean”);
mAdapter.notifyDataSetChanged();
//刷新列表后,调用onRefreshComplete。
mPullRefreshListView.onRefreshComplete();
super.onPostExecute(结果);
}
}
私有字符串[]mStrings={“A-stro”、“B-ender”、“C-upcake”、“E-clair”,
“F-royo”、“G-ingerbread”、“H-oneycomb”、“I-ce奶油三明治”,
“来自iamvijayakumar.blogspot.com的Android版本”};
}


这是我所做的PullToRefreshListview的虚拟示例。现在我想集成,这样我就可以在ListView中显示数据,并使用Pull来刷新。你能帮我整合一下吗?我将在哪里放置用于解析的代码以及所有??请帮帮我。

在这个虚拟示例中,您使用下面用于使用Hashmap列表设置数据的命令来创建简单的替换适配器。标签ID等用于
public class PullToRefreshListActivity extends Activity {

static final int MENU_MANUAL_REFRESH = 0;
static final int MENU_DISABLE_SCROLL = 1;
static final int MENU_SET_MODE = 2;

private PullToRefreshView mPullRefreshListView;
private ArrayAdapter<String> mAdapter;
private static String url = "http://api.androidhive.info/contacts/";
/** Called when the activity is first created. */



private LinkedList<String> mListItems;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.pull_to_refresh_listview);

    mPullRefreshListView = (PullToRefreshView) findViewById(R.id.pull_refresh_list);

    // Set a listener to be invoked when the list should be refreshed.
    mPullRefreshListView.setOnRefreshListener(new OnRefreshListener() {
        @Override
        public void onRefresh() {
            mPullRefreshListView.setLastUpdatedLabel(DateUtils
                    .formatDateTime(getApplicationContext(),
                            System.currentTimeMillis(),
                            DateUtils.FORMAT_SHOW_TIME
                                    | DateUtils.FORMAT_SHOW_DATE
                                    | DateUtils.FORMAT_ABBREV_ALL));

            // Do work to refresh the list here.
            new GetDataTask().execute();
        }
    });

    ListView actualListView = mPullRefreshListView.getRefreshableView();

    mListItems = new LinkedList<String>();
    mListItems.addAll(Arrays.asList(mStrings));

    mAdapter = new ArrayAdapter<String>(this,
            android.R.layout.simple_list_item_1, mListItems);

    // You can also just use setListAdapter(mAdapter)
    actualListView.setAdapter(mAdapter);
}

private class GetDataTask extends AsyncTask<Void, Void, String[]> {

    @Override
    protected String[] doInBackground(Void... params) {
        // Simulates a background job.
        try {
            Thread.sleep(2000);
        } catch (InterruptedException e) {
        }
        return mStrings;
    }

    @Override
    protected void onPostExecute(String[] result) {
        mListItems
                .addFirst("Added after refresh..New Version Coming soon J-elly Bean");
        mAdapter.notifyDataSetChanged();

        // Call onRefreshComplete when the list has been refreshed.
        mPullRefreshListView.onRefreshComplete();

        super.onPostExecute(result);
    }
}

private String[] mStrings = { "A-stro", "B-ender", "C-upcake", "E-clair",
        "F-royo", "G-ingerbread", "H-oneycomb", "I-ce Cream Sandwich ",
        "Android Versions From iamvijayakumar.blogspot.com" };
mAdapter= new SimpleAdapter(this, mylist, R.layout.row,
new String[] {TAG_ID, TAG_NAME, TAG_EMAIL,TAG_PHONE_MOBILE}, new int[] 
   {R.id.tvtagid, R.id.tvtagname, R.id.tvtagemail,R.id.tvtagphone});