Android Interface Components-text box

The previous three articles are essentially centered around the view class. View is the base class for the Android UI, and our Android development "journey" starts with view.

The Android interface UI has a large number of components, which inherit and indirectly inherit from view. One type of component is basic, which is the TextView text box, which is the function of displaying text. On the basis of TextView, TextView derives: EditText checkedtextview Button digitalclock chronometer and other sub-class controls, strengthening the function of TextView. This section describes the TextView and EditText classes

A EditText

EditText Properties:

Android:autolink convert text to clickable hyperlink form, value: None Web email phone map All

Android:drawablebottom draws a picture below the text, and a similar property android:drawableleft android:drawabletop android:drawableright

Android:gravity shows how text is to be displayed

Android:inputtype text Input Form

Android:hint Tips

Android:textcolor text color

What to do: design hyperlink-style text with picture text, multiple lines of text

Read the XML to find the properties that set the text box effect above

<TextView Android:id="@+id/textview1"Android:layout_width="fill_parent"Android:layout_height="wrap_content"Android:autolink="Email"Android:text="@string/mail"/> <TextView Android:id="@+id/textview2"Android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:drawablebottom="@drawable/ic_launcher"Android:text="@string/icon"/> <TextView Android:id="@+id/textview3"Android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:singleline="false"Android:text="@string/longtext"/>

Two edit boxes

The function of the edit box is to make text edits on the screen, which is actually a component that TextView open the text editing function. The special attributes of EditText are definitely related to text editing, and the related properties are as follows

EditText Properties:

Android:inputtype input text type, basic type has password, phone, etc. can be through CTRL +/view

Android:singleline whether single-line input

Actual operation: Make a registration interface

The relevant XML code is as follows, which is relatively simple

<tablelayout android:layout_width="match_parent"Android:layout_height="match_parent"> <TableRow Android:id="@+id/tablerow1"Android:layout_width="wrap_content"Android:layout_height="wrap_content"> <TextView Android:id="@+id/textview1"Android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:text="Name:"/> <EditText Android:id="@+id/edittext1"Android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:ems="Ten"Android:inputtype="Textpersonname"> <requestfocus/> </EditText> </TableRow> <TableRow Android:id="@+id/tablerow2"Android:layout_width="wrap_content"Android:layout_height="wrap_content"> <TextView Android:id="@+id/textview2"Android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:text="is a rabbit password:"/> <EditText Android:id="@+id/edittext2"Android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:ems="Ten"/> </TableRow> <TableRow Android:id="@+id/tablerow3"Android:layout_width="wrap_content"Android:layout_height="wrap_content"> <TextView Android:id="@+id/textview3"Android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:text="Confirm Password:"/> <EditText Android:id="@+id/edittext3"Android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:ems="Ten"/> </TableRow> <TableRow Android:id="@+id/tablerow4"Android:layout_width="wrap_content"Android:layout_height="wrap_content"> </TableRow> <Button Android:id="@+id/button1"Android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:text="Submit"/> </TableLayout>

Summary: The above is an Android basic text control for the interface text display.

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Android Interface Components-text box