如何以及在何处添加buttonToastfunction在我的application.
我知道很多次有人问这个问题,但我仍然很困惑,所以任何人都可以提供帮助。
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这是我的代码:
public class EngineerRecycler extends AppCompatActivity {
String service_id,type, jsonStr;
String compticketid;
private String TAG = MainActivity.class.getSimpleName();
private ListView lv;
// URL to get contacts JSON
private static String urlpending = "http://localhost/players.php";
ArrayList<HashMap<String, String>> contactList;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate( savedInstanceState );
setContentView( R.layout.activity_engineer_recycler );
Bundle bundle = getIntent().getExtras();
service_id = bundle.getString( "empid" );
type = bundle.getString( "type" );
contactList = new ArrayList<>();
lv = (ListView) findViewById(R.id.list);
new GetContacts().execute();
}
private class GetContacts extends AsyncTask<Void, Void, Void> {
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected Void doInBackground(Void... arg0) {
HttpHandler sh = new HttpHandler();
// Making a request to URL and getting a response
jsonStr = sh.makeServiceCall( urlpending, service_id );
我可以在其中显示项目,listview但是现在我想添加button到其中。
每当我点击它时,toast消息也会弹出。
凤凰求蛊
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