Android Clipboard

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Fundamentals

• Android provides the clipboard framework for copying and pasting different

types of data. The data could be text, images, binary stream data or other

complex data types.

• It provides the library of ClipboardManager and ClipData and ClipData.item to

use the copying and pasting framework.

Use of Clipboard

• In order to use clipboard framework, need to put data into clip object, and then

put that object into system wide clipboard.

• Object of ClipboardManager is instantiated by calling the getSystemService()

method.

ClipboardManager clipboard = ( ClipboardManager ) getSystemService (CLIPBOARD_SERVICE);

Copying data

• The next thing that is need to do is to instantiate the ClipData object by calling

the respective type of data method of the ClipData class.

• In case of text data, the newPlainText ( ) method will be called. After that have

to set that data as the clip of the ClipbaoardManager object.

Copying data

Implementation:

ClipData clipdata = ClipData.newPlainText("text", “String”);clipboard.setPrimaryClip(clipdata);

ClipData Form

• Text

• URI

• Intent

ClipData Form

• Text : newPlainText(label, text):

Returns a ClipData object whose single ClipData.Item object contains a text string. 

• URI : newUri(resolver, label, URI):

Returns a ClipData object whose single ClipData.Item object contains a URI.

• Intent : newIntent(label, intent):

Returns a ClipData object whose single ClipData.Item object contains Intent.

Data Pasting

• In order to paste the data, we will first get the clip by calling the getPrimaryClip

( ) method. And from that click will get the item in ClipData.Item object and

from the object we will get the data.

ClipData clipdata = clipboard.getPrimaryClip ( );ClipData.Item item = clipdata.getItemAt (0);

String text = item.getText ( ).toString ( );

Methods & Description

• getPrimaryClip ( ):

This method just returns the current primary clip on the clipboard

• getPrimaryClipDescription ():

This method returns a description of the current primary clip on the clipboard but not a

copy of its data. 

• hasPrimaryClip ():

This method returns true if there is currently a primary clip on the clipboard.

Methods & Description

• setPrimaryClip (ClipData clip):

This method sets the current primary clip on the clipboard. 

• setText(CharSequence text):

This method can be directly used to copy text into the clipboard.

• getText ( ):

This method can be directly used to get the copied text from the clipboard.

Thank You

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Apex TG India

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