Step by Step _android Development Course [16]_ User Interface EditText (edit view)

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• Topic: EditText of the user interface (edit view)

EditText Control instance:

Activity_main.xml Source code:

<?xml version= "1.0" encoding= "Utf-8"?><linearlayout xmlns:android="Http://schemas.android.com/apk/res/android"  Android:orientation="vertical"android:layout_width="Fill_parent"android: Layout_height="Fill_parent" >                <EditTextandroid:id= "@+id/ev"android:layout_height=" Wrap_content "android:layout_width=" fill_parent " />                         </linearlayout>

Instantiate it in Mainactivity.java:

Importandroid.app.Activity;ImportAndroid.os.Bundle;ImportAndroid.widget.EditText;ImportAndroid.widget.TextView; Public  class mainactivity extends Activity {    PrivateEditText ev;@Override    protected void onCreate(Bundle savedinstancestate) {Super. OnCreate (Savedinstancestate); Setcontentview (R.layout.activity_main);//instantiation of EditTextEV = (EditText) Findviewbyid (R.id.ev); }}

Operation Result:

EditText Common Properties:

Property name	Description
Android:editable	If set, specifies that the TextView has an input method, and if there is no special designation, it is the text input state.
Android:hint	The prompt message that appears when the text is empty.
Android:inputtype	The type of data that can be placed in a text field to help the input method decide how to let the user enter text.
Android:maxlength	Sets the input filter to limit the maximum length of text entered to the specified value.
Android:password	Whether to display the characters in the text field as dots that represent the password.
Android:text	The text to display
Android:textcolor	Text color
Android:textsize	The size of the text. It is recommended to set this value (such as 15SP) in "sp (scaling pixel)" units.
Android:textstyle	Text Style (bold, italic, bold italic, etc.).

Focus on technology, enjoy life! --qq:804212028
Browse Links: http://blog.csdn.net/y18334702058/article/details/44624305

Step-by-step _android Development Course [16]_ User Interface EditText (edit view)