android-edittext

问题 I'm making a calculator and user input is contained in EditText. Input is typed through buttons on screen, so Android keyboard is disabled. However, I want it to write all input in one line and when line reaches border, it needs to be ellipsized and then horizontally scrollable so you can reach whole text. I tried doing this by setting android:maxLines="1" and android:ellipsize="end", but that doesn't work. Text is still in multiple lines, but only one line is visible and you need to scroll

问题 What is so special about Edittext that it can retain the value but not Textview and some other widgets and we have to use onSavedInstance() method for them. What is the magic behind EditText specially that it can retain the values? If someone can tell how it works internally. <----Update----> How it works internally, Please point to that part of the code which explains this scenario. 回答1: What is the magic behind EditText specially that it can retain the values? How it works internally,

问题 I used this example and tried to add it to my edit text programmatically like editText.setBackgroundResource(R.drawable.edit_text_back); , but it does not work. How can I accomplish this? Any suggestions or ideas? EDIT The editText is defined programmatically as well. EditText editText = new EditText(this.getApplicationContext()); I added this to a table row TRIED editText.setBackground(getResources().getDrawable(R.drawable.edit_text_back)); editText.setBackgroundDrawable(getResources()

问题 I used this example and tried to add it to my edit text programmatically like editText.setBackgroundResource(R.drawable.edit_text_back); , but it does not work. How can I accomplish this? Any suggestions or ideas? EDIT The editText is defined programmatically as well. EditText editText = new EditText(this.getApplicationContext()); I added this to a table row TRIED editText.setBackground(getResources().getDrawable(R.drawable.edit_text_back)); editText.setBackgroundDrawable(getResources()

问题 This question already has answers here : Set inputType for an EditText Programmatically? (14 answers) Closed 6 years ago . Hi all I am using alert dialog with edit text.So I want to set input type as password to that edit text programatically.I have searched a lot in google and find out these two methods: final EditText input = new EditText(getActivity()); input.setTransformationMethod(PasswordTransformationMethod.getInstance()); input.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE

问题 hello everyone I want develop application which have many item in array list and one Edit text for using search item fast in list view I show u image like that: so how it possible in page 回答1: You need to add addTextChangedListener to your EditText. when user enters a new data in EditText , get the text from it and passing it to array adapter filter. you can add like this : inputSearch.addTextChangedListener(new TextWatcher() { @Override public void onTextChanged(CharSequence cs, int arg1,

问题 hello everyone I want develop application which have many item in array list and one Edit text for using search item fast in list view I show u image like that: so how it possible in page 回答1: You need to add addTextChangedListener to your EditText. when user enters a new data in EditText , get the text from it and passing it to array adapter filter. you can add like this : inputSearch.addTextChangedListener(new TextWatcher() { @Override public void onTextChanged(CharSequence cs, int arg1,

问题 I have a requirement to show an EditText at 45 degree angled to horizontal axis.So I used this code to do this EditText editText = (EditText) findViewById(R.id.edit_text); editText.setText("Hello"); Animation anim = new RotateAnimation(0.0f, -45.0f, 190, 90); anim.setFillAfter(true); editText.setAnimation(anim); It also shows the EditText as per my requirement. But problem arises when I started typing some text in it. As you can see the screen shot, some places of the edittext are not showing

问题 I am having a problem with the on key listener, which i have completely explained here Unable to get line number on press of ENTER Now if i am using a textwatcher to implement certain functionalities on my edittext, i need the line number everytime when my cursor moves to the next line. i want to know when the ENTER key is pressed, how can i do that here is the code of textwatcher scene.addTextChangedListener(new TextWatcher() { @Override public void onTextChanged(CharSequence s, int start,

问题 I am facing the issue of back key or del key which is not working in 4.4 and 5.0.1 devices ? When I press the back key of softkeyboard below method is not calling. Username.setOnKeyListener(controller); Password.setOnKeyListener(controller); @Override public boolean onKey(View v, int keyCode, KeyEvent event) { if(event.getAction() == KeyEvent.KEYCODE_DEL){ getActivity().setDisableLoginButton(); } return false; } Anyone suggest me what should I do ? I am disabling the button if there's no