EmoticonsEditText.java
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package com.xdy.home.widget.emoji;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.TextUtils;
import android.text.style.ImageSpan;
import android.util.AttributeSet;
import android.widget.EditText;
public class EmoticonsEditText extends EditText {
private int mEmojiconSize;
private int mEmojiconTextSize;
private boolean mUseSystemDefault = false;
public EmoticonsEditText(Context context) {
super(context);
mEmojiconSize = (int) getTextSize();
mEmojiconTextSize = (int) getTextSize();
}
public EmoticonsEditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(attrs);
}
public EmoticonsEditText(Context context, AttributeSet attrs) {
super(context, attrs);
init(attrs);
}
private void init(AttributeSet attrs) {
TypedArray a = getContext().obtainStyledAttributes(attrs, com.rockerhieu.emojicon.R.styleable.Emojicon);
mEmojiconSize = (int) a.getDimension(com.rockerhieu.emojicon.R.styleable.Emojicon_emojiconSize, getTextSize());
mUseSystemDefault = a.getBoolean(com.rockerhieu.emojicon.R.styleable.Emojicon_emojiconUseSystemDefault, false);
a.recycle();
mEmojiconTextSize = (int) getTextSize();
//setText(getText());
}
@Override
public void setText(CharSequence text, BufferType type) {
if (!TextUtils.isEmpty(text)) {
super.setText(replace(text), type);
} else {
super.setText(text, type);
}
}
private Pattern buildPattern() {
StringBuilder patternString = new StringBuilder(EmojiconHandler.mEmoticons.size() * 3);
patternString.append('(');
for (int i = 0; i < EmojiconHandler.mEmoticons.size(); i++) {
String s = EmojiconHandler.mEmoticons.get(i);
patternString.append(Pattern.quote(s));
patternString.append('|');
}
patternString.replace(patternString.length() - 1,
patternString.length(), ")");
return Pattern.compile(patternString.toString());
}
private CharSequence replace(CharSequence text) {
try {
SpannableStringBuilder builder = new SpannableStringBuilder(text);
Pattern pattern = buildPattern();
Matcher matcher = pattern.matcher(text);
while (matcher.find()) {
if (EmojiconHandler.mEmoticonsId.containsKey(matcher.group())) {
int id = EmojiconHandler.mEmoticonsId.get(matcher.group());
Bitmap bitmap = BitmapFactory.decodeResource(
getResources(), id);
if (bitmap != null) {
ImageSpan span = new ImageSpan(getContext(), bitmap);
builder.setSpan(span, matcher.start(), matcher.end(),
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
}
}
}
return builder;
} catch (Exception e) {
return text;
}
}
}