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copied!<p>I think the answer is a mix of your question and this answer here: <a href="https://stackoverflow.com/a/15931345/734687">https://stackoverflow.com/a/15931345/734687</a> So I would try the following code:</p> <ol> <li>change ACTION_VIEW to ACTION_SENDTO</li> <li>set the Uri as you did</li> <li>set the package to whatsapp</li> </ol> <pre class="lang-java prettyprint-override"><code>Intent i = new Intent(Intent.ACTION_SENDTO, Uri.parse("content://com.android.contacts/data/" + c.getString(0))); i.setType("text/plain"); i.setPackage("com.whatsapp"); // so that only Whatsapp reacts and not the chooser i.putExtra(Intent.EXTRA_SUBJECT, "Subject"); i.putExtra(Intent.EXTRA_TEXT, "I'm the body."); startActivity(i); </code></pre> <p>I looked into the Whatsapp manifest and saw that ACTION_SEND is registered to the activity <code>ContactPicker</code>, so that will not help you. However ACTION_SENDTO is registered to the activity <code>com.whatsapp.Conversation</code> which sounds more adequate for your problem.</p> <p>Whatsapp can work as a replacement for sending SMS, so it should work like SMS. When you do not specify the desired application (via <code>setPackage</code>) Android displays the application picker. Thererfor you should just look at the code for sending SMS via intent and then provide the additional package information.</p> <pre class="lang-java prettyprint-override"><code>Uri uri = Uri.parse("smsto:" + smsNumber); Intent i = new Intent(Intent.ACTION_SENDTO, uri); i.putExtra("sms_body", smsText); i.setPackage("com.whatsapp"); startActivity(i); </code></pre> <p>First try just to replace the intent <code>ACTION_SEND</code> to <code>ACTION_SENDTO</code> . If this does not work than provide the additional extra <code>sms_body</code>. If this does not work than try to change the uri.</p> <p><strong>Update</strong> I tried to solve this myself and was not able to find a solution. Whatsapp is opening the chat history, but doesn't take the text and send it. It seems that this functionality is just not implemented. </p>

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