Android：TextView与EditText中插入表情图片

public class FaceUtil {
public int[] faceIds;
public String[] faceCodes;
public Map<String, Integer> mFaceMap;
private String key0;
private String key;
private static FaceUtil mFaceUtil = new FaceUtil();
private FaceUtil(){
faceIds = new int[] { R.drawable.face0,
R.drawable.face1, R.drawable.face2, R.drawable.face3,
R.drawable.face4, R.drawable.face5, R.drawable.face6,
R.drawable.face7, R.drawable.face8, R.drawable.face9,
R.drawable.face10, R.drawable.face11, R.drawable.face12,
R.drawable.face13, R.drawable.face14, R.drawable.face15,
R.drawable.face16, R.drawable.face17, R.drawable.face18,
R.drawable.face19, R.drawable.face20, R.drawable.face21,
R.drawable.face22, R.drawable.face23, R.drawable.face24,
R.drawable.face25, R.drawable.face26, R.drawable.face27,
R.drawable.face28, R.drawable.face29, R.drawable.face30,
R.drawable.face31, R.drawable.face32, R.drawable.face33,
R.drawable.face34, R.drawable.face35, R.drawable.face36,
R.drawable.face37, R.drawable.face38, R.drawable.face39,
R.drawable.face40, R.drawable.face41, R.drawable.face42,
R.drawable.face43, R.drawable.face44, R.drawable.face45,
R.drawable.face46, R.drawable.face47, R.drawable.face48,
R.drawable.face49, R.color.white, R.color.white, R.color.white,
R.color.white, R.color.white, R.color.white };
faceCodes = new String[] { "[face:0]", "[face:1]", "[face:2]",
"[face:3]", "[face:4]", "[face:5]", "[face:6]", "[face:7]", "[face:8]", "[face:9]", "[face:10]",
"[face:11]", "[face:12]", "[face:13]", "[face:14]", "[face:15]", "[face:16]", "[face:17]", "[face:18]",
"[face:19]", "[face:20]", "[face:21]", "[face:22]", "[face:23]", "[face:24]", "[face:25]", "[face:26]",
"[face:27]", "[face:28]", "[face:29]", "[face:30]", "[face:31]", "[face:32]", "[face:33]", "[face:34]",
"[face:35]", "[face:36]", "[face:37]", "[face:38]", "[face:39]", "[face:40]", "[face:41]", "[face:42]",
"[face:43]", "[face:44]", "[face:45]", "[face:46]", "[face:47]", "[face:48]", "[face:49]", "/0050",
"/0051", "/0052", "/0053", "/0054", "/0055" };
mFaceMap = new HashMap<String, Integer>();
mFaceMap.put("[face:0]", R.drawable.face0);
mFaceMap.put("[face:1]", R.drawable.face1);
mFaceMap.put("[face:2]", R.drawable.face2);
mFaceMap.put("[face:3]", R.drawable.face3);
mFaceMap.put("[face:4]", R.drawable.face4);
mFaceMap.put("[face:5]", R.drawable.face5);
mFaceMap.put("[face:6]", R.drawable.face6);
mFaceMap.put("[face:7]", R.drawable.face7);
mFaceMap.put("[face:8]", R.drawable.face8);
mFaceMap.put("[face:9]", R.drawable.face9);
mFaceMap.put("[face:10]", R.drawable.face10);
mFaceMap.put("[face:11]", R.drawable.face11);
mFaceMap.put("[face:12]", R.drawable.face12);
mFaceMap.put("[face:13]", R.drawable.face13);
mFaceMap.put("[face:14]", R.drawable.face14);
mFaceMap.put("[face:15]", R.drawable.face15);
mFaceMap.put("[face:16]", R.drawable.face16);
mFaceMap.put("[face:17]", R.drawable.face17);
mFaceMap.put("[face:18]", R.drawable.face18);
mFaceMap.put("[face:19]", R.drawable.face19);
mFaceMap.put("[face:20]", R.drawable.face20);
mFaceMap.put("[face:21]", R.drawable.face21);
mFaceMap.put("[face:22]", R.drawable.face22);
mFaceMap.put("[face:23]", R.drawable.face23);
mFaceMap.put("[face:24]", R.drawable.face24);
mFaceMap.put("[face:25]", R.drawable.face25);
mFaceMap.put("[face:26]", R.drawable.face26);
mFaceMap.put("[face:27]", R.drawable.face27);
mFaceMap.put("[face:28]", R.drawable.face28);
mFaceMap.put("[face:29]", R.drawable.face29);
mFaceMap.put("[face:30]", R.drawable.face30);
mFaceMap.put("[face:31]", R.drawable.face31);
mFaceMap.put("[face:32]", R.drawable.face32);
mFaceMap.put("[face:33]", R.drawable.face33);
mFaceMap.put("[face:34]", R.drawable.face34);
mFaceMap.put("[face:35]", R.drawable.face35);
mFaceMap.put("[face:36]", R.drawable.face36);
mFaceMap.put("[face:37]", R.drawable.face37);
mFaceMap.put("[face:38]", R.drawable.face38);
mFaceMap.put("[face:39]", R.drawable.face39);
mFaceMap.put("[face:40]", R.drawable.face40);
mFaceMap.put("[face:41]", R.drawable.face41);
mFaceMap.put("[face:42]", R.drawable.face42);
mFaceMap.put("[face:43]", R.drawable.face43);
mFaceMap.put("[face:44]", R.drawable.face44);
mFaceMap.put("[face:45]", R.drawable.face45);
mFaceMap.put("[face:46]", R.drawable.face46);
mFaceMap.put("[face:47]", R.drawable.face47);
mFaceMap.put("[face:48]", R.drawable.face48);
mFaceMap.put("[face:49]", R.drawable.face49);
}

public static FaceUtil getFaceUtil(){
if(mFaceUtil == null){
mFaceUtil = new FaceUtil();
}
return mFaceUtil;
}

/**
* 将表情图片及文本加入到EditText中
* @param context
* @param editText
* @param imgId
*/
public void addFaceToEditText(Context context, EditText editText, String faceCode, int faceId) {
int start = editText.getSelectionStart();
Spannable spannable = editText.getText().insert(start, faceCode);
Drawable drawable = context.getResources().getDrawable(faceId);
drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
ImageSpan imageSpan = new ImageSpan(drawable, faceCode, ImageSpan.ALIGN_BASELINE);
spannable.setSpan(imageSpan, start, start + faceCode.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
}

/**
* 将表情图片及文本加入到TextView中
* @param context
* @param textView
*/
public void addFacesToTextView(final Context context, TextView textView, String str){
boolean one = true;
boolean isFace = false;
boolean isFaceFirst = false;
List<Spanned> faceList = new ArrayList<Spanned>();
String text = str;
Pattern p = Pattern.compile("face:[0-9]+");
final Matcher m = p.matcher(text);
while(m.find()){
key0 = m.group();
key = "["+m.group()+"]";
if(mFaceMap.get(key) == null){
textView.setText(str);
return;
}
isFace = true;
ImageGetter imageGetter = new ImageGetter() {
public Drawable getDrawable(String source) {
Drawable drawable = context.getResources().getDrawable(mFaceMap.get(key));
drawable.setBounds(0, 0, drawable.getIntrinsicWidth(),drawable.getIntrinsicHeight());
return drawable;
}
};
if(text.length() != key.length() && text.indexOf(key) != 0){
one = false;
isFaceFirst = false;
}else if(text.length() != key.length() && text.indexOf(key) == 0){
one = false;
isFaceFirst = true;
}else if(text.length() == key.length() && one){
textView.setText("");
textView.append(Html.fromHtml("<img src='" + mFaceMap.get(key) + "'/>", imageGetter, null));
return;
}
Spanned spanned = Html.fromHtml("<img src='" + mFaceMap.get(key) + "'/>", imageGetter, null);
faceList.add(spanned);
text = text.replaceAll("\\[" + key0 + "\\]", "=");
}
if(isFace){
textView.setText("");
String[] textArray = text.split("=");
/**哪个数组大就以此数组个数为循环次数**/
int len = 0;
if(textArray.length > faceList.size()){
len = textArray.length;
}else{
len = faceList.size();
}
for (int i = 0; i < len; i++) {
if(textArray.length > faceList.size()){
if(i < faceList.size()){
if(isFaceFirst){
textView.append(faceList.get(i));
textView.append(textArray[i]);
}else {
textView.append(textArray[i]);
textView.append(faceList.get(i));
}
}else{
textView.append(textArray[i]);
}
}else{
if(i < textArray.length){
if(isFaceFirst){
textView.append(faceList.get(i));
textView.append(textArray[i]);
}else {
textView.append(textArray[i]);
textView.append(faceList.get(i));
}
}else{
textView.append(faceList.get(i));
}
}
}
}
}

public void onDestroy(){
key0 = null;
key = null;
faceIds = null;
faceCodes = null;
if(mFaceMap != null){
mFaceMap.clear();
mFaceMap = null;
}
mFaceUtil = null;
}

}

TextView tv = ...;
String msg = "高兴[face:2]，无奈[face:10][face:11]";
FaceUtil.getFaceUtil().addFacesToTextView(mContext, tv, msg);

EditText et = ...;
FaceUtil.getFaceUtil().addFaceToEditText(mContext, et, "[face:10]", R.drawable.face10);