android-edittext

问题 In my Android application I have a TextView with an EditText. I want to prepopulate the EditText with the last value entered, which is stored in the SQLite database? 回答1: This should not be so hard I think: public void onCreate(Bundle savedState) { EditText editText = (EditText) findViewById(R.id.my_edittext); String value = // Query your 'last value'. editText.setText(value); } If you want to learn more about SQLite database storage, read this article in Android document. 回答2: Assign an

问题 I've got the following code which fires every time my "redTime" EditText is touched. redTime.setOnTouchListener(new OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { Log.i("click", "onMtouch"); redTime.setSelection(redTime.getText().length()); return false; } }); It is meant to keep the cursor on the right side of the EditText upon every touch. The problem is that the line containing the "setSelection" method doesn't work upon the FIRST touch of the control.

问题 I wrote following code for login but when I type "\" after email-id, it accepts and log in successfully (it doesn't accepts any other symbols or characters only accepts "\"). I don't want that it login with "\".` @Override public void onCreate(Bundle savedInstanceState) { try { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setSoftInputMode( WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN); setContentView(R.layout.main);

问题 I am trying to give shadow effect as shown below to edittext but i am unable to do it. Below is what i have done till now My code are as follow: <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/background" > <RelativeLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" > <LinearLayout android:id="@+id

问题 My code is : <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"> <EditText android:layout_width=

问题 I am basically trying to do this simple thing: I have got an Edittext and a TextView. Now I would like to instantly (character by character) display the text that is entered in the edittext in the textview. In addition, when the backspace key is pressed and one charcter is deleted from the editext, this should also happen in the textview. In short: I want to display everything from the edittext immediately in the textview. How can I do that? Here is some code that I tried, but that didn't

问题 I have a layout which has two edit texts and horizontal scroll bar with some icons in a fragment. The horizontal scroll view is permanently fixed to the bottom of the parent using relative layout constraints. When an edit is clicked, the soft keyboard appears by default. When that happens, I need the horizontal scroll view to float above the soft keyboard so that everyone can use it. I have added the following line to the AndroidManifest.xml file to the activity containing the fragment

问题 I am using a custom base adapter to implement a customListView. The listView class (extends ListView) is used within a flipper flipper.addView(mListView) in the main activity. The list View has 3 types of rows. The 1 st in the list is a row with spinner, the next 2 are rows with edittext where text is inputed. The 3rd row and beyond are all the same with an edittext that has numbers in it. I wanted to make it so that when I click on the text version the softkeypad will appear with the text

问题 I am developing apps in android. I did design for edittext in my apps see image (default edit text in 4.2.2) I want edittext style like following image Does anybody have solution ? 回答1: Create CustomEditText that extends EditText , code is bellow : public class MyCustomEditText extends EditText { private Rect mRect; private Paint mPaint; public MyCustomEditText (Context context, AttributeSet attrs) { super(context, attrs); mRect = new Rect(); mPaint = new Paint(); mPaint.setStyle(Paint.Style

问题 I want to clear the entire text on EditText which is before the cursor position. Suppose i the text is 1234567890 , the cursor is after the character 4 like this 1234|567890 Now my requirement is I have a custom button, which deletes the text before cursor position. I am using editext.getText().clear(); to clear the text, but its clearing entire text. If the cursor is at end of text, it is good. Is it possible to achieve my requirement ? If yes how ? Please help me regarding this. 回答1: Here