android-edittext

问题 Description I am developing one app in which I have registration page. Inside registration page, I am doing registration by getting user's full name and mobile number. Problem While getting user's full name in edit text sometimes the user is pressing space bar before type his/her name. I need you disable space-bar key before typing any text white user start typing his name I want to enable space-bar key. So that user can enter space between his/her Middle name and Last name. What I have tried

问题 I want to take input, a URL or just a website name like, www.google.com from EditText in Android and on user click on the Button to submit or when the EditText looses the focus the URL should be validated, like it is in the format " www.anyURL.com "... How can I do this? Is there any inbuilt functionality available in android? 回答1: Short answer Use WEB_URL pattern in Patterns Class Patterns.WEB_URL.matcher(potentialUrl).matches() It will return True if URL is valid and false if URL is invalid

问题 I've added multiple EditText and TextViews dynamically like: final String[] meses = new String[]{"Janeiro", "Fevereiro", "Março", "Abril", "Maio", "Junho", "Julho", "Agosto", "Setembro", "Outubro", "Novembro", "Dezembro"}; for(int i=0; i<meses.length; i++){ LinearLayout layout = new LinearLayout(getContext()); layout.setOrientation(LinearLayout.HORIZONTAL); layout.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)); TextView

问题 I have one activity with an EditText and a button. When the button is pressed, I call myEditText.setClickable(false); myEditText.setFocusable(false); I have another button, which when pressed, changes the activity. Intent myIntent = new Intent(view.getContext(), DestinationScreen.class); startActivityForResult(myIntent, 0); When I return from activity2 to my main activity which has the EditText, I want it to regain the focus. That is, I want to be able to type in some new values in it. Any

问题 I am using Binding adapter to prevent constant text update of edittexts for 2 way binding. @BindingAdapter("binding") public static void bindEditText(EditText editText, final String str) { if ((!editText.getText().toString().equals(str)) && !editText.getText().equals("")) { editText.setText(str); } } It works fine with edit text with integer default text. But when it comes to edit text with float default text. Ex: 70.0, when I key in the first digit, the edit text refreshes and became Ex: 8.0

问题 In my Android project I have restricted Edittext to allow only Alphanumeric characters. I have using below code snippet to achieve this <EditText android:id="@+id/edt_text" android:layout_width="140dp" android:layout_height="wrap_content" android:layout_margin="5dp" android:digits="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890" android:ems="10" android:imeOptions="actionNext" android:maxLength="8" android:padding="5dp" android:singleLine="true" /> But while using this code if

问题 I want to display multiple lines of text in my application in particular range such that user can scroll to view other lines. I have tried EditText , but it generates keyboard on top of it and doesn't scroll properly. Then I tried TextView , it also does not scroll the text properly as I wanted. Is there any other option available? If No, then how to scroll the text vertically in TextView or EditText ? I want to scroll the text on drag as in WebView . NOT auto scroll. 回答1: You can limit the

问题 I am trying to set smaller height of EditText but still have not managed it. Here is my source: <EditText android:layout_width="150dp" android:layout_height="20dp" android:singleLine="true" android:textSize="10dp" /> This code cuts out text and a white rectangular shape appears around EditText control. I have also tried maxHeight/minHeight properties, but did not worked either. If anybody have solved this issue, please help. Or is this is the bug in the android? I can not even resize Spinner,

问题 I am making an EditText field with custom background, but the input text is going to be longer then the field itself. Also, text needs to be in one line. My idea is to make text "move to the left" when the line reach the end of the field. I saw in some applications that this is possible. I searched for answers but non of them respond to this specific problem. After I combined few of them I tried to solve problem in this way: <EditText android:layout_width="wrap_content" android:layout_height=

问题 I want to make an edittext which aligns in its parent's left and when users click it, edittext's width'll increase to right side. Here is the code that i used. But when animation ended, edittext width come to first size. Can any one help me.? And is there any solution to set "fillparent" to width's final size in animation? Animation scaleAnimation = new ScaleAnimation(0, -500, 1, 1); scaleAnimation.setDuration(750); editText.startAnimation(scaleAnimation); I added scaleAnimation.setFillAfter