1618 questions
If you create a method and do not use it, it will appear gray.For example, public class example {...public int usedMethod () { ....}public int notUsedMethod () { ....}...usedMethod();}If it's like thi...
public boolean onNavigationItemSelected(MenuItem item) { // // Handle navigation view item clicks here. int id = item.getItemId(); Fragment fragment = null; String title = getString(R.string.app_nam...
The server has been parsing in JSON format through async asynchronous communication. However, sometimes if the server is being checked or there is a problem with the server, an error appears immediate...
Using a viewpager in Mainactivity (aa, bb, cc).You are showing xml.If the button declared in aa.xml public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentVie...
I'm using the following map API to create an appIf you try to create and use a method to take a marker, the app keeps turning off.This is the code. public class MainActivity extends AppCompatActivity ...
Currently, there is a php bulletin board, and when registering the notice, we use fcm to send a push through the web app.I want to turn off and turn on the push according to push on and off on the bul...
I'd like to send an image from the Android client to the Jango server using Http Post. The image will be selected in the instrument's gallery. We are currently using the NameValuePair list to send ess...
Fileobserver creates files and directories, changes, deletes, etc. are being checkedIt's not working in version 6.0.We have already registered WRITE_EXTERNAL_STORAGE and READ_EXTERNAL_STORAGE in the m...
public void EnollmentUser() { JSONObject mDataJO = new JSONObject(); String adress = etmapname.getText().toString(); String adress_descript = etadress.getText().toString(); String roomInfo = etroomInf...
I have a question because there is something that does not work well in setting the time using TimePickerDialog. private TimePickerDialog.OnTimeSetListener timeListener = new TimePickerDialog.OnTimeSe...
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