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/*
* Copyright 2014 Hieu Rocker
*
* 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 com.rockerhieu.emojicon;
import android.content.Context;
import android.content.res.TypedArray;
import android.text.SpannableStringBuilder;
import android.text.TextUtils;
import android.text.style.DynamicDrawableSpan;
import android.util.AttributeSet;
import android.widget.TextView;
/**
* @author Hieu Rocker (rockerhieu@gmail.com).
*/
public class EmojiconTextView extends TextView {
private int mEmojiconSize;
private int mEmojiconAlignment;
private int mEmojiconTextSize;
private int mTextStart = 0;
private int mTextLength = -1;
private boolean mUseSystemDefault = false;
public EmojiconTextView(Context context) {
super(context);
init(null);
}
public EmojiconTextView(Context context, AttributeSet attrs) {
super(context, attrs);
init(attrs);
}
public EmojiconTextView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(attrs);
}
private void init(AttributeSet attrs) {
mEmojiconTextSize = (int) getTextSize();
if (attrs == null) {
mEmojiconSize = (int) getTextSize();
} else {
TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.Emojicon);
mEmojiconSize = (int) a.getDimension(R.styleable.Emojicon_emojiconSize, getTextSize());
mEmojiconAlignment = a.getInt(R.styleable.Emojicon_emojiconAlignment, DynamicDrawableSpan.ALIGN_BASELINE);
mTextStart = a.getInteger(R.styleable.Emojicon_emojiconTextStart, 0);
mTextLength = a.getInteger(R.styleable.Emojicon_emojiconTextLength, -1);
mUseSystemDefault = a.getBoolean(R.styleable.Emojicon_emojiconUseSystemDefault, false);
a.recycle();
}
setText(getText());
}
@Override
public void setText(CharSequence text, BufferType type) {
if (!TextUtils.isEmpty(text)) {
SpannableStringBuilder builder = new SpannableStringBuilder(text);
EmojiconHandler.addEmojis(getContext(), builder, mEmojiconSize, mEmojiconAlignment, mEmojiconTextSize, mTextStart, mTextLength, mUseSystemDefault);
text = builder;
}
super.setText(text, type);
}
/**
* Set the size of emojicon in pixels.
*/
public void setEmojiconSize(int pixels) {
mEmojiconSize = pixels;
super.setText(getText());
}
/**
* Set whether to use system default emojicon
*/
public void setUseSystemDefault(boolean useSystemDefault) {
mUseSystemDefault = useSystemDefault;
}
}
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