How to add image in a TextView text

Question

I ve searched around on Google and came across this site where I found a question similar to mine in which how to include a image in a TextView text  for example  hello my name is  image    and the answer was this   ImageSpan is   new ImageSpan context  resId   text setSpan is  index  index   strLength  0     I would like to know in this code    What am I supposed to type or do in the context  Am I supposed to do something to the text setSpan   like import or reference or leave it text    If someone can break this down for me that would be much appreciated

User · Answer

com xyz customandroid  TextViewWithImages  java   import java util regex Matcher  import java util regex Pattern   import android content Context  import android text Spannable  import android text style ImageSpan  import android util AttributeSet  import android util Log  import android widget TextView   public class TextViewWithImages extends TextView        public TextViewWithImages Context context  AttributeSet attrs  int defStyle            super context  attrs  defStyle             public TextViewWithImages Context context  AttributeSet attrs            super context  attrs             public TextViewWithImages Context context            super context              Override     public void setText CharSequence text  BufferType type            Spannable s   getTextWithImages getContext    text           super setText s  BufferType SPANNABLE              private static final Spannable Factory spannableFactory   Spannable Factory getInstance         private static boolean addImages Context context  Spannable spannable            Pattern refImg   Pattern compile    Q img src   E  a-zA-Z0-9       Q    E            boolean hasChanges   false           Matcher matcher   refImg matcher spannable       while  matcher find              boolean set   true          for  ImageSpan span   spannable getSpans matcher start    matcher end    ImageSpan class                 if  spannable getSpanStart span   gt   matcher start                 amp  amp  spannable getSpanEnd span   lt   matcher end                                      spannable removeSpan span                 else                   set   false                  break                                  String resname   spannable subSequence matcher start 1   matcher end 1   toString   trim            int id   context getResources   getIdentifier resname   drawable   context getPackageName             if  set                hasChanges   true              spannable setSpan   new ImageSpan context  id                                   matcher start                                    matcher end                                    Spannable SPAN EXCLUSIVE EXCLUSIVE                                                          return hasChanges            private static Spannable getTextWithImages Context context  CharSequence text            Spannable spannable   spannableFactory newSpannable text           addImages context  spannable           return spannable            Use   in res layout mylayout xml                lt com xyz customandroid TextViewWithImages                 android layout width  wrap content                  android layout height  wrap content                  android textColor   FFFFFF00                  android text   string can try again                  android textSize  12dip                  style                       gt    Note that if you place TextViewWithImages java in some location other than com xyz customandroid   you also must change the package name  com xyz customandroid above   in res values strings xml    lt string name  can try again  gt Press  img src ok16   to accept or  img src retry16   to retry lt  string gt    where ok16 png and retry16 png are icons in the res drawable  folder

User · Answer

Try this         txtview setCompoundDrawablesWithIntrinsicBounds                      R drawable image  0  0  0     Also see this   http   developer android com reference android widget TextView html   Try this in xml file        lt TextView         android id    id txtStatus          android layout width  wrap content          android layout height  wrap content          android layout gravity  center          android drawableLeft   drawable image          android drawablePadding  5dp          android maxLines  1          android text   string name   gt

User · Answer

This is partly based on this earlier answer above by  A Boschman  In that solution  I found that the input size of the image greatly affected the ability of makeImageSpan   to properly center-align the image  Additionally  I found that the solution affected text spacing by creating unnecessary line spacing    I found BaseImageSpan  from Facebook s Fresco library  to do the job particularly well           Create an ImageSpan for the given icon drawable  This also sets the image size  Works best    with a square icon because of the sizing        param context       The Android Context      param drawableResId A drawable resource Id      param size          The desired size  i e  width and height  of the image icon in pixels                          Use the lineHeight of the TextView to make the image inline with the                         surrounding text      return An ImageSpan  aligned with the bottom of the text      private static BetterImageSpan makeImageSpan Context context  int drawableResId  int size        final Drawable drawable   context getResources   getDrawable drawableResId       drawable mutate        drawable setBounds 0  0  size  size       return new BetterImageSpan drawable  BetterImageSpan ALIGN CENTER       Then supply your betterImageSpan instance to spannable setSpan   as usual

User · Answer

This answer is based on this excellent answer by 18446744073709551615  Their solution  though helpful  does not size the image icon with the surrounding text  It also doesn t set the icon colour to that of the surrounding text    The solution below takes a white  square icon and makes it fit the size and colour of the surrounding text   public class TextViewWithImages extends TextView        private static final String DRAWABLE    drawable                  Regex pattern that looks for embedded images of the format   img src imageName               public static final String PATTERN      Q img src   E  a-zA-Z0-9       Q    E        public TextViewWithImages Context context  AttributeSet attrs  int defStyle            super context  attrs  defStyle              public TextViewWithImages Context context  AttributeSet attrs            super context  attrs              public TextViewWithImages Context context            super context               Override     public void setText CharSequence text  BufferType type            final Spannable spannable   getTextWithImages getContext    text  getLineHeight    getCurrentTextColor             super setText spannable  BufferType SPANNABLE              private static Spannable getTextWithImages Context context  CharSequence text  int lineHeight  int colour            final Spannable spannable   Spannable Factory getInstance   newSpannable text           addImages context  spannable  lineHeight  colour           return spannable             private static boolean addImages Context context  Spannable spannable  int lineHeight  int colour            final Pattern refImg   Pattern compile PATTERN           boolean hasChanges   false           final Matcher matcher   refImg matcher spannable           while  matcher find                  boolean set   true              for  ImageSpan span   spannable getSpans matcher start    matcher end    ImageSpan class                     if  spannable getSpanStart span   gt   matcher start                            amp  amp  spannable getSpanEnd span   lt   matcher end                          spannable removeSpan span                     else                       set   false                      break                                              final String resName   spannable subSequence matcher start 1   matcher end 1   toString   trim                final int id   context getResources   getIdentifier resName  DRAWABLE  context getPackageName                 if  set                    hasChanges   true                  spannable setSpan makeImageSpan context  id  lineHeight  colour                           matcher start                            matcher end                            Spannable SPAN EXCLUSIVE EXCLUSIVE                                                    return hasChanges                        Create an ImageSpan for the given icon drawable  This also sets the image size and colour         Works best with a white  square icon because of the colouring and resizing                 param context       The Android Context          param drawableResId A drawable resource Id          param size          The desired size  i e  width and height  of the image icon in pixels                              Use the lineHeight of the TextView to make the image inline with the                             surrounding text          param colour        The colour  careful  NOT a resource Id  to apply to the image          return An ImageSpan  aligned with the bottom of the text              private static ImageSpan makeImageSpan Context context  int drawableResId  int size  int colour            final Drawable drawable   context getResources   getDrawable drawableResId           drawable mutate            drawable setColorFilter colour  PorterDuff Mode MULTIPLY           drawable setBounds 0  0  size  size           return new ImageSpan drawable  ImageSpan ALIGN BOTTOM              How to use   Simply embed references to the desired icons in the text  It doesn t matter whether the text is set programatically through textView setText R string string resource   or if it s set in xml   To embed a drawable icon named example png  include the following string in the text   img src example     For example  a string resource might look like this    lt string name  string resource  gt This  img src example   is an icon  lt  string gt

User · Answer

fun TextView addImage atText  String   DrawableRes imgSrc  Int  imgWidth  Int  imgHeight  Int        val ssb   SpannableStringBuilder this text       val drawable   ContextCompat getDrawable this context  imgSrc     return     drawable mutate       drawable setBounds 0  0              imgWidth              imgHeight      val start   text indexOf atText      ssb setSpan VerticalImageSpan drawable   start  start   atText length  Spannable SPAN INCLUSIVE EXCLUSIVE      this setText ssb  TextView BufferType SPANNABLE     VerticalImageSpan class from great answer https   stackoverflow com a 38788432 5381331 Using val textView   findViewById lt TextView gt  R id textview  textView setText  quot Send an  email-icon  to example email com  quot   textView addImage  quot  email-icon  quot   R drawable ic email          resources getDimensionPixelOffset R dimen dp 30           resources getDimensionPixelOffset R dimen dp 30    Result  Note Why VerticalImageSpan class  ImageSpan ALIGN CENTER attribute requires API 29  Also   after the test  I see that ImageSpan ALIGN CENTER only work if the image smaller than the text  if the image bigger than the text then only image is in center  text not center  it align on bottom of image

User · Answer

This might Help You   SpannableStringBuilder ssBuilder           ssBuilder   new SpannableStringBuilder  quot   quot               working code ImageSpan image   new ImageSpan textView getContext    R drawable image           Drawable image   ContextCompat getDrawable textView getContext    R drawable image           float scale   textView getContext   getResources   getDisplayMetrics   density          int width    int   12   scale   0 5f           int height    int   18   scale   0 5f           image setBounds 0  0  width  height           ImageSpan imageSpan   new ImageSpan image  ImageSpan ALIGN BASELINE           ssBuilder setSpan                  imageSpan     Span to add                 0     Start of the span  inclusive                  1     End of the span  exclusive                  Spanned SPAN INCLUSIVE EXCLUSIVE     Do not extend the span when text add later          ssBuilder append  quot   quot    text           ssBuilder   new SpannableStringBuilder text           textView setText ssBuilder

User · Answer

I tried many different solutions and this for me was the best   SpannableStringBuilder ssb   new SpannableStringBuilder   Hello world     ssb setSpan new ImageSpan context  R drawable image   0  1  Spannable SPAN INCLUSIVE INCLUSIVE   tv text setText ssb  TextView BufferType SPANNABLE     This code uses a minimum of memory

[java] How to add image in a TextView text?

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