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    <p>you should write caption on image and then create uri.</p> <pre><code> private Bitmap writeTextOnDrawable(int drawableId, String text) { Bitmap bm = BitmapFactory.decodeResource(getResources(), drawableId) .copy(Bitmap.Config.ARGB_8888, true); Typeface tf = Typeface.create("Helvetica", Typeface.BOLD); Paint paint = new Paint(); paint.setStyle(Style.FILL); paint.setColor(Color.WHITE); paint.setTypeface(tf); paint.setTextAlign(Align.CENTER); paint.setTextSize(convertToPixels(mContext, 11)); Rect textRect = new Rect(); paint.getTextBounds(text, 0, text.length(), textRect); Canvas canvas = new Canvas(bm); //If the text is bigger than the canvas , reduce the font size if(textRect.width() &gt;= (canvas.getWidth() - 4)) //the padding on either sides is considered as 4, so as to appropriately fit in the text paint.setTextSize(convertToPixels(mContext, 7)); //Scaling needs to be used for different dpi's //Calculate the positions int xPos = (canvas.getWidth() / 2) - 2; //-2 is for regulating the x position offset //"- ((paint.descent() + paint.ascent()) / 2)" is the distance from the baseline to the center. int yPos = (int) ((canvas.getHeight() / 2) - ((paint.descent() + paint.ascent()) / 2)) ; canvas.drawText(text, xPos, yPos, paint); BitmapDrawable bmd = new BitmapDrawable(getResources(), bm); Bitmap newbit; newbit=bmd.getBitmap(); return newbit; } public static int convertToPixels(Context context, int nDP) { final float conversionScale = context.getResources().getDisplayMetrics().density; return (int) ((nDP * conversionScale) + 0.5f) ; } </code></pre> <p>ref : <a href="https://stackoverflow.com/questions/11100428/add-text-to-image-in-android-programmatically">Add text to image in android programmatically</a></p> <hr> <p>Save Bitmap to file :</p> <p><a href="https://stackoverflow.com/questions/11274715/save-bitmap-to-file-function">Save bitmap to file function</a></p> <hr> <p>create uri from file :</p> <pre><code>Uri.fromFile(new File(&lt;your image absolute path&gt;)); </code></pre> <hr> <p>Then pass this uri to your function</p> <pre><code>private void shareInstagram(Uri uri){ Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND); shareIntent.setType("image/*"); // set mime type shareIntent.putExtra(Intent.EXTRA_STREAM,uri); // set uri shareIntent.putExtra(Intent.EXTRA_TITLE, "Sample title"); shareIntent.setPackage("com.instagram.android"); startActivity(shareIntent); } </code></pre> <p>Hope it should work</p>
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    1. POHow To add caption with image share on instagram in android?
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    1. USKalpesh Gohel
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