android-edittext

问题 I have around 5 edittexts.When i click submit button,it has to check whether all fields are entered or not.Along with it if any value is not entered,the focus has to go to that desired edittext.If there are many editexts empty,then the focus has to go in top down order.I have used seterror method but when i type in that editext the error msg is not going.After entering values the focus is not going to the next edittext.how to solve this issue? caseno,dateloss,policy_rep,reg_book,Dri_lic are

问题 I don't know what I am doing wrong but I have an edittext called input, where the user writes a number, then you press a button: input = (EditText) findViewById(R.id.input); XX= (Button) findViewById(R.id.XX); XX.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View arg0) { if(XX.equals("XX")) { String aa= String.valueOf(input) ; float operation= ((float) ( 0.029 * 2.2 *aa ) ); String cadena= String.valueOf(operation) ; // set text to cadena (result of the

问题 I have a review system which allows to add text and upload picture via imgur. When I display the review, the pic displays twice, I don't understant why. here is the part of the code: public class ReviewListAdapter extends BaseAdapter { ... public View getView(int position, View convertView, ViewGroup parent) { .... ViewHolder holder; if (convertView == null) { convertView = inflater.inflate(R.layout.list_item, null); holder = new ViewHolder(convertView); } else { holder = (ViewHolder)

问题 Im using a a Single Line Edit Text , so when i click on Edit text box, im getting "Go" in place of Enter button. But i want Enter key in place of "Go" key . How can i do this .. Please some one can give solution for this ? 回答1: I am not sure but you can try android:imeOptions="actionDone" , in short you need to try android:imeOptions attribute. 来源： https://stackoverflow.com/questions/6790672/enter-button-on-soft-keyboard-android

问题 I'm developing an science app, and I have an EditText in wich I must enter an input numeric value, so the inputType is "number|numberSigned|numberDecimal", but the problem is when I want input a scientific notation number like "45.6E05", I can't input "E" character because of EditText's InputType. How can to allow "E" character and only to show a numerical keyboard when the EditText is focused? 回答1: There is no way to show the numerical keyboard with an extra letter E on it, two ways around

问题 I want to get EditText selection start when user click in EditText (touch). I do with this code : int startIndex = txtMean.getSelectionStart(); this always return 0; and EditText xml code: <EditText android:id="@+id/txtMean" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="@null" android:clickable="true" android:focusable="true" android:focusableInTouchMode="true" android:hint="" android:inputType="textMultiLine" android:scrollbars="none" /> my code

问题 I would like to add a custom property to a group of EditTexts that are created programmatically. I have three different sensors set up via an Arduino, and I would like this custom attribute to be used by the app to dictate which sensor to read from. Is there a way to create a custom attribute so that I can declare the setting like editTextX.setSensorType(0) ? Here is the code that I'd be using this with: if (check for certain j value) { rowjlabel.setText(" %"); // read from tilt sensor, or

问题 i want to get text written in the EditText first activity and set that text to the another EditText which is fourth activity. 回答1: Use this code in your first activity Intent intent = new Intent(context,Viewnotification.class); intent.putExtra("Value1", youredittextvalue.getText().toString()); startActiviy(intent); And in your fourth Activity Bundle extras = getIntent().getExtras(); String value1 = extras.getString("Value1"); yourfourthactivityedittext.setText(value1); 回答2: 1- use

问题 How can I implement the following input behaviour using EditText in Android. Is there a existing library to implement this behaviour or if else, what would the logic be like? This behaviour can be seen on ATM machines as well. Here's a gif that demonstrates this behaviour in an Android app: As observed, the input starts with the last digit and proceeds to the left while appending necessary commas and decimal separation (2 decimals). I couldn't find any library that implements this behaviour.

问题 Source code below is not working public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_book_page); book_page = (EditText) findViewById(R.id.activity_book_page_text); book_page.setText("Google is your friend.", TextView.BufferType.EDITABLE); book_page.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { book_page.setSelection( 9, 15); //book_page.requestFocus(); } }); book_page