public class

EmojiAppCompatButton

extends AppCompatButton

 java.lang.Object

↳Button

androidx.appcompat.widget.AppCompatButton

↳androidx.emoji.widget.EmojiAppCompatButton

Gradle dependencies

compile group: 'androidx.emoji', name: 'emoji-appcompat', version: '1.2.0-alpha03'

  • groupId: androidx.emoji
  • artifactId: emoji-appcompat
  • version: 1.2.0-alpha03

Artifact androidx.emoji:emoji-appcompat:1.2.0-alpha03 it located at Google repository (https://maven.google.com/)

Androidx artifact mapping:

androidx.emoji:emoji-appcompat com.android.support:support-emoji-appcompat

Androidx class mapping:

androidx.emoji.widget.EmojiAppCompatButton android.support.text.emoji.widget.EmojiAppCompatButton

Overview

AppCompatButton widget enhanced with emoji capability by using EmojiTextViewHelper. When used on devices running API 18 or below, this widget acts as a regular AppCompatButton.

Summary

Constructors
publicEmojiAppCompatButton(Context context)

publicEmojiAppCompatButton(Context context, AttributeSet attrs)

publicEmojiAppCompatButton(Context context, AttributeSet attrs, int defStyleAttr)

Methods
public voidsetAllCaps(boolean allCaps)

public voidsetFilters(InputFilter filters[])

from AppCompatButtondrawableStateChanged, getAutoSizeMaxTextSize, getAutoSizeMinTextSize, getAutoSizeStepGranularity, getAutoSizeTextAvailableSizes, getAutoSizeTextType, getCustomSelectionActionModeCallback, getSupportBackgroundTintList, getSupportBackgroundTintMode, getSupportCompoundDrawablesTintList, getSupportCompoundDrawablesTintMode, isEmojiCompatEnabled, onInitializeAccessibilityEvent, onInitializeAccessibilityNodeInfo, onLayout, onTextChanged, setAutoSizeTextTypeUniformWithConfiguration, setAutoSizeTextTypeUniformWithPresetSizes, setAutoSizeTextTypeWithDefaults, setBackgroundDrawable, setBackgroundResource, setCustomSelectionActionModeCallback, setEmojiCompatEnabled, setSupportAllCaps, setSupportBackgroundTintList, setSupportBackgroundTintMode, setSupportCompoundDrawablesTintList, setSupportCompoundDrawablesTintMode, setTextAppearance, setTextSize
from java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructors

public EmojiAppCompatButton(Context context)

public EmojiAppCompatButton(Context context, AttributeSet attrs)

public EmojiAppCompatButton(Context context, AttributeSet attrs, int defStyleAttr)

Methods

public void setFilters(InputFilter filters[])

public void setAllCaps(boolean allCaps)

Source

/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.emoji.widget;

import android.content.Context;
import android.text.InputFilter;
import android.util.AttributeSet;

import androidx.appcompat.widget.AppCompatButton;

/**
 * AppCompatButton widget enhanced with emoji capability by using {@link EmojiTextViewHelper}. When
 * used on devices running API 18 or below, this widget acts as a regular {@link AppCompatButton}.
 */
public class EmojiAppCompatButton extends AppCompatButton {
    private EmojiTextViewHelper mEmojiTextViewHelper;

    /**
     * Prevent calling {@link #init()} multiple times in case super() constructors
     * call other constructors.
     */
    private boolean mInitialized;

    public EmojiAppCompatButton(Context context) {
        super(context);
        init();
    }

    public EmojiAppCompatButton(Context context, AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public EmojiAppCompatButton(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init();
    }

    private void init() {
        if (!mInitialized) {
            mInitialized = true;
            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;
    }
}