android-edittext

问题 How its possible when user press #button then it will print # on focused EditText of RecyclerView. My code and output is below. Please help me.... I've done everything, but got stuck in here. Can I get any suggestion or link with some more info on how to implement this? activity_main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android

问题 Wantto ask user to enter number of TextEdit or ViewText and then draw them. For-example user enter 7,then seven ViewText draw.I knew this is a suitable way but in my prgrm i cant change the whole structure,the i got this erro at: tv = new TextView(this); and error is: "The constructor TextView(new View.OnClickListener(){}) is undefined". i knew i have to do: implements OnClickListener but i cant change the prgrm now.SO is there anyway to create TextView(or any View objct) without refrence it

问题 I have some code, but it is not working as expected. My logic doesn't seem to be faulty, so I think it is an implementation error. My code: public boolean[] party_check(){ Date date_ET = new Date(party_dateET.getYear(), party_dateET.getMonth(), party_dateET.getDayOfMonth());///Date is deprecated, ///but easy to handle ///this is used to test the date contained in the datepicker, party_dateET. If it is before the day today, then it will not write, ///and a message is displayed boolean[] return

问题 Is possible to determine when text is selected and when is not? I was googling and I find onSelectionChanged() method or setOnLongClickListener() for determining when user longClick s the editText so when he made selection, but in both cases it can't help me with determining, when the user is not selecting any text (I could set button invisible)... 回答1: You can use yourEditText.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { if

问题 In this particular scenario the ExpandableList is suppose to show 2 list as group. When a user selects the checkbox, it add the value to the EditText and thats where the TextChangeListener is fired up 3 times for the first input and 1 time for the second as shown in the output section. The inputs received by the EditText on check change were 22448 for the 0 item in the arraylist & 56.12 for the 1st item in the arraylist Code public class ExpandableListAdapter extends BaseExpandableListAdapter

问题 Currently I am making an app that has an EditText on the action bar. I found out how to put a custom view on an actionbar from the following link: How to set a custom view in actionbar in android?. I used the getSupportActionBar to load an EditText onto the action bar. getSupportActionBar.setCustomView(R.layout.actionbar_view); It loads an xml file called actionbar_view.xml. The code for that xml file follows below. <?xml version="1.0" encoding="utf-8"?> <EditText xmlns:android="http:/

问题 I am trying to add an editText dynamically to a relative layout. the layout contains an editText already. I need to add the new editText below the existing one. EditText designation1 = new EditText(context); designation1.setHint("designation"); designation1.setSingleLine(true); and my layout is layoutExp = (RelativeLayout) childView.findViewById(R.id.relative_layout_edit_exp); and my existing edit Text is designation = (EditText)childView.findViewById(R.id.editTextDesignatn); 回答1: You need to

问题 public class MainActivity extends AppCompatActivity { EditText Percent, mmolGlic, mgGlic; double mmol = 0, mg = 0, perc = 0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Percent = (EditText) findViewById(R.id.percent); mmolGlic = (EditText) findViewById(R.id.mmol_glic); mgGlic = (EditText) findViewById(R.id.mg_glic); /*mmolGlic.addTextChangedListener(new TextWatcher() { @Override public void

问题 I'm trying to get this code working. It has been posted as a solution to detecting the "done" or "next" button on a softkeyboard but I get the error "must implement inherited abstract method..onEditorAction.." import android.widget.TextView.OnEditorActionListener; textEdit5.setOnEditorActionListener(new OnEditorActionListener() { public boolean onEditorAction(TextView arg0, int keycode, KeyEvent event) { if(arg1 == KeyEvent.FLAG_EDITOR_ACTION){ btnSave.requestFocus(); return true; } return

问题 Hi I have a simple temperature converter application where the application crashes whenever the field is empty. I tried some validation I found on S.O but it keeps crashing, so can anyone help me to validate and empty field where it would give a dialogue like a Toast saying "Field cannot be empty". Thank you. public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main);