Quick Answer: What Is A TextView In Android?

How do you delete text messages on an android?

To clear the text, you can use iconMode=”clear_text”, but also “password_toggle” is available.

It’s simple: declare the widget variables ( editText , textView , button etc.) in class but initialize it in onCreate after setContentView ..

What is ScrollView in Android?

In android, ScrollView is a kind of layout that is useful to add vertical or horizontal scroll bars to the content which is larger than the actual size of layouts such as linearlayout, relativelayout, framelayout, etc. … In android, ScrollView supports only vertical scrolling.

How do I use setImageResource on Android?

The methods are as follows:setImageDrawable(): Set a drawable as the content of the ImageView.setImageBitmap(): Set a Bitmap as the content of the ImageView.setImageResource(): Use a resource id to set the content of the ImageView.setImageUri(): Use a URI to set the content of the ImageView.

How do you use TextView?

Set the Text of Android TextView If you observe above example we used android:text property to the set required text for TextView control in XML Layout file. Following is another way to set the text of textview control programmatically in activity file using setText() method. TextView tv = (TextView)findViewById(R. id.

How do you get 3 dots at the end of a TextView text?

So, android:layout_width attribute plays a key role here, set it accordingly. Now, here if the text in android:text=”This is a very long text to be displayed” goes out of view from TextView with a android:layout_width=”120dp”, android:ellipsize=”end” will truncate the text and place … (3 dots) after it.

How do you set up text on Android?

You can set the text to be displayed in the TextView either when declaring it in your layout file, or by using its setText() method. The text is set via the android:text attribute. You can either set the text as attribute value directly, or reference a text defined in the strings.

What is an android view?

View is the basic building block of UI(User Interface) in android. View refers to the android. It can be an image, a piece of text, a button or anything that an android application can display. … The rectangle here is actually invisible, but every view occupies a rectangle shape.

How do I change the color on my Android?

There are many different ways to set color on text view.Add color value in studio res->values->colors.xml as #800080 … If you want to give color code directly use below Color.parseColor code textView. … You can also use RGB. … Use can also use direct hexcode for textView.More items…•

What are Drawables in Android?

A Drawable resource is a general concept for a graphic which can be drawn. … In addition to graphical files, Android supports XML drawables and 9-patch graphics. XML drawables are used to describe shapes (color, border, gradient), state, transitions and more.

What is a TextView?

Advertisements. A TextView displays text to the user and optionally allows them to edit it. A TextView is a complete text editor, however the basic class is configured to not allow editing.

What is the difference between TextView and EditText in Android?

EditText is used for user input. TextView is used to display text and is not editable by the user. … TextView is the widget used when you want the user to View the Text (such as a label, etc) and EditText used when you want the user to be able to edit the text.

What is ImageView in Android?

In Android, ImageView class is used to display an image file in application. Image file is easy to use but hard to master in Android, because of the various screen sizes in Android devices. … Scale type options are used for scaling the bounds of an image to the bounds of the imageview.