我试图将MySQL数据显示在表中,而不是列表视图中,但是无法并且我不知道该怎么做。
我的代码工作得很好,它返回一个包含数据的listeview,现在我只希望这些数据在一个表中,而不是列表视图中
是否有方法在表中显示列表视图?或者将列表视图转换成表?
我的mainActivity.java
public class MainActivity extends AppCompatActivity {
ProgressDialog pDialog;
JSONParser jParser = new JSONParser();
ListView lv;
ArrayList<HashMap<String, String>> productsList;
private static String url_all_products "http://192.168.1.13/member/all.php";
JSONArray products = null;
int error=0;
private static final String TAG_SUCCESS = "success";
private static final String TAG_PRODUCTS = "temperaturedata";
private static final String TAG_PID = "id";
private static final String TAG_DATEANDTIME = "dateandtime";
private static final String TAG_CIN = "cin";
private static final String TAG_TEMPERATURE = "temperature";
private static final String TAG_HUMIDITY = "humidity";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
productsList = new ArrayList<HashMap<String, String>>();
// Get listview
lv = (ListView)findViewById(R.id.listView);
new LoadAllProducts().execute();
lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
}
});
}
class LoadAllProducts extends AsyncTask<String, String, String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(MainActivity.this);
pDialog.setMessage("Loading...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
}
protected String doInBackground(String... args) {
HashMap<String, String> params = new HashMap<String, String>();
JSONObject json = jParser.makeHttpRequest(url_all_products, "GET", params);
Log.d("All Products: ", json.toString());
int success = 0;
try {
success = json.getInt(TAG_SUCCESS);
if (success == 1) {
products = json.getJSONArray(TAG_PRODUCTS);
for (int i = 0; i < products.length(); i++) {
JSONObject c = products.getJSONObject(i);
String id = c.getString(TAG_PID);
String dateandtime = c.getString(TAG_DATEANDTIME);
String cin = c.getString(TAG_CIN);
String temperature=c.getString(TAG_TEMPERATURE);
String humidity = c.getString(TAG_HUMIDITY);
HashMap<String, String> map = new HashMap<String, String>();
map.put(TAG_PID, id);
map.put(TAG_DATEANDTIME, dateandtime);
map.put(TAG_CIN,cin);
map.put(TAG_TEMPERATURE,temperature);
map.put(TAG_HUMIDITY,humidity);
productsList.add(map);
}
} else {
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
protected void onPostExecute(String file_url) {
pDialog.dismiss();
ListAdapter adapter = new SimpleAdapter(
MainActivity.this, productsList,
R.layout.item, new String[] { TAG_PID,
TAG_DATEANDTIME,TAG_CIN,TAG_TEMPERATURE,TAG_HUMIDITY},
new int[] { R.id.pid, R.id.dateandtime,R.id.cin,R.id.temperature,R.id.humidity});
lv.setAdapter(adapter);
}
}
}
我的活动主要.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:showIn="@layout/activity_main">
<ListView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/listView"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true" />
</RelativeLayout>
和my item.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:weightSum="4">
<TextView
android:id="@+id/pid"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Large Text"
android:textAppearance="?android:attr/textAppearanceLarge"
android:visibility="gone" />
<TextView
android:id="@+id/dateandtime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Large Text"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:id="@+id/cin"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Large Text"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:id="@+id/temperature"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Large Text"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:id="@+id/humidity"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:baselineAligned="false"
android:text="Large Text"
android:textAppearance="?android:attr/textAppearanceLarge" />
</LinearLayout>
最佳答案
嗨,我向你推荐这个图书馆
TableView是一个强大的Android库,用于显示复杂的数据结构和呈现由行、列和单元格组成的表格数据。TableView依赖于一个单独的模型对象来保存和表示它显示的数据。此存储库还包含一个示例应用程序,该应用程序旨在向您展示如何在应用程序中创建自己的TableView。
这是链接
https://github.com/evrencoskun/TableView
关于android - 如何使用Android在表中显示MySQL数据,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/56187250/