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Play ConsoleEmojiTextViewHelper
public
final
class
EmojiTextViewHelper
extends Object
| java.lang.Object | |
| ↳ | android.support.text.emoji.widget.EmojiTextViewHelper |
Utility class to enhance custom TextView widgets with EmojiCompat.
public class MyEmojiTextView extends TextView {
public MyEmojiTextView(Context context) {
super(context);
init();
}
// ..
private void init() {
getEmojiTextViewHelper().updateTransformationMethod();
}
@Override
public void setFilters(InputFilter[] filters) {
super.setFilters(getEmojiTextViewHelper().getFilters(filters));
}
@Override
public void setAllCaps(boolean allCaps) {
super.setAllCaps(allCaps);
getEmojiTextViewHelper().setAllCaps(allCaps);
}
private EmojiTextViewHelper getEmojiTextViewHelper() {
if (mEmojiTextViewHelper == null) {
mEmojiTextViewHelper = new EmojiTextViewHelper(this);
}
return mEmojiTextViewHelper;
}
}
Summary
Public constructors | |
|---|---|
EmojiTextViewHelper(TextView textView)
Default constructor. |
|
Public methods | |
|---|---|
InputFilter[]
|
getFilters(InputFilter[] filters)
Appends EmojiCompat InputFilters to the widget InputFilters. |
void
|
setAllCaps(boolean allCaps)
Call when allCaps is set on TextView. |
void
|
updateTransformationMethod()
Updates widget's TransformationMethod so that the transformed text can be processed. |
TransformationMethod
|
wrapTransformationMethod(TransformationMethod transformationMethod)
Returns transformation method that can update the transformed text to display emojis. |
Inherited methods | |
|---|---|
From
class
java.lang.Object
| |
Public constructors
EmojiTextViewHelper
EmojiTextViewHelper (TextView textView)
Default constructor.
| Parameters | |
|---|---|
textView |
TextView: TextView instance
|
Public methods
getFilters
InputFilter[] getFilters (InputFilter[] filters)
Appends EmojiCompat InputFilters to the widget InputFilters. Should be called by setFilters(InputFilter[]) to update the InputFilters. When used on devices running
API 18 or below, this method returns filters that is given as a parameter.
| Parameters | |
|---|---|
filters |
InputFilter: InputFilter array passed to setFilters(InputFilter[]) |
| Returns | |
|---|---|
InputFilter[] |
same copy if the array already contains EmojiCompat InputFilter. A new array copy if not. |
setAllCaps
void setAllCaps (boolean allCaps)
Call when allCaps is set on TextView. When used on devices running API 18 or below, this method does nothing.
| Parameters | |
|---|---|
allCaps |
boolean: allCaps parameter passed to setAllCaps(boolean)
|
updateTransformationMethod
void updateTransformationMethod ()
Updates widget's TransformationMethod so that the transformed text can be processed. Should be called in the widget constructor. When used on devices running API 18 or below, this method does nothing.
wrapTransformationMethod
TransformationMethod wrapTransformationMethod (TransformationMethod transformationMethod)
Returns transformation method that can update the transformed text to display emojis. When
used on devices running API 18 or below, this method returns transformationMethod
that is given as a parameter.
| Parameters | |
|---|---|
transformationMethod |
TransformationMethod: instance to be wrapped
|
| Returns | |
|---|---|
TransformationMethod |
|