Share a picture in MonoDroid

Updated on Sunday, September 30, 2018

Here’s how to share a picture to Facebook, Twitter and so forth from MonoDroid:

Java.IO.File cache = ExternalCacheDir; if ((cache == null) || (!cache.CanWrite())) { // no external cache cache = CacheDir; } Java.IO.File tempFile = new Java.IO.File(cache, "temp.jpg"); using (FileStream fileStream = File.OpenWrite(tempFile.AbsolutePath)) { _currentBitmap.Compress(Bitmap.CompressFormat.Jpeg, 85, fileStream); } Intent shareIntent = new Intent(Intent.ActionSend); shareIntent.PutExtra(Intent.ExtraStream, Android.Net.Uri.FromFile(tempFile)); shareIntent.PutExtra(Intent.ExtraText, "Some text - appears in tweets, not on facebook")); shareIntent.SetType("image/jpeg"); StartActivity(Intent.CreateChooser(shareIntent, "Share Image");

A fun mix of Java and C#. The directory got me to start with so check to see if the ExternalCacheDir is available and if not fall back to the internal CacheDir. Frustratingly Facebook doesn’t pick up on the text associated with an image regardless of the intent ExtraWhatever specified.

.NET, C#, c#, .net, monodroid, xamarin, facebook, twitter, android

Comments

Thank you for this.

∞ | by Kota Kira on Sunday, October 5 2014

Share a picture in MonoDroid

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