First pass at allowing user to share images from other apps to Mastalab. Currently only allows for single images.

app/src/main/AndroidManifest.xml

@@ -46,6 +46,16 @@
                 <category android:name="android.intent.category.DEFAULT" />
                 <data android:mimeType="text/plain" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="image/*" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.SEND_MULTIPLE" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="image/*" />
+            </intent-filter>
         </activity>
         <activity android:name="fr.gouv.etalab.mastodon.activities.LoginActivity"
             android:windowSoftInputMode="stateAlwaysHidden"

app/src/main/java/fr/gouv/etalab/mastodon/activities/MainActivity.java

@@ -20,6 +20,7 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.database.sqlite.SQLiteDatabase;
 import android.graphics.PorterDuff;
+import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
@@ -429,7 +430,7 @@ public class MainActivity extends AppCompatActivity
                 toolbarTitle.setText(R.string.home_menu);
                 matchingIntent = true;
             }
-        }else if( Intent.ACTION_SEND.equals(action) && type != null ){
+        }else if(( Intent.ACTION_SEND.equals(action) && type != null )) {
             if ("text/plain".equals(type)) {
                 String sharedSubject = intent.getStringExtra(Intent.EXTRA_SUBJECT);
                 String sharedText = intent.getStringExtra(Intent.EXTRA_TEXT);
@@ -442,6 +443,21 @@ public class MainActivity extends AppCompatActivity
                     startActivity(intentToot);
                 }
             }
+
+            else if (type.startsWith("image/"))
+            {
+                Uri imageUri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
+
+                if (imageUri != null) {
+
+                    Intent intentToot = new Intent(getApplicationContext(), TootActivity.class);
+                    Bundle b = new Bundle();
+
+                    b.putParcelable("sharedUri", imageUri);
+                    intentToot.putExtras(b);
+                    startActivity(intentToot);
+                }
+            }
         }
         intent.replaceExtras(new Bundle());
         intent.setAction("");

app/src/main/java/fr/gouv/etalab/mastodon/activities/TootActivity.java

@@ -15,6 +15,7 @@
 package fr.gouv.etalab.mastodon.activities;
 
 import android.app.Activity;
+import android.net.Uri;
 import android.support.v7.app.AlertDialog;
 import android.content.ActivityNotFoundException;
 import android.content.Context;
@@ -141,6 +142,7 @@ public class TootActivity extends AppCompatActivity implements OnRetrieveSearcAc
     private HorizontalScrollView picture_scrollview;
     private int currentCursorPosition, searchLength;
     private TextView toot_space_left;
+    private Uri sharedUri;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -231,6 +233,7 @@ public class TootActivity extends AppCompatActivity implements OnRetrieveSearcAc
             tootReply = b.getParcelable("tootReply");
             sharedContent = b.getString("sharedContent", null);
             sharedSubject = b.getString("sharedSubject", null);
+            sharedUri = b.getParcelable("sharedUri");
             restored = b.getLong("restored", -1);
         }
         if( restored != -1 ){
@@ -276,10 +279,16 @@ public class TootActivity extends AppCompatActivity implements OnRetrieveSearcAc
             }
             toot_content.setText( String.format("\n%s", sharedContent));
         }
+
         attachments = new ArrayList<>();
         int charsInCw = 0;
         int charsInToot = 0;
 
+        if (sharedUri != null)
+        {
+            uploadSharedImage(sharedUri);
+        }
+
         boolean isAccountPrivate = account.isLocked();
 
         if(isAccountPrivate){
@@ -483,6 +492,26 @@ public class TootActivity extends AppCompatActivity implements OnRetrieveSearcAc
         mToast.show();
     }
 
+    public void uploadSharedImage(Uri uri)
+    {
+        picture_scrollview.setVisibility(View.VISIBLE);
+
+        if (uri != null) {
+
+            try {
+                InputStream inputStream = getContentResolver().openInputStream(uri);
+                loading_picture.setVisibility(View.VISIBLE);
+                toot_picture.setEnabled(false);
+                new UploadActionAsyncTask(getApplicationContext(), inputStream, TootActivity.this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+            } catch (FileNotFoundException e) {
+                Toast.makeText(getApplicationContext(), R.string.toot_select_image_error, Toast.LENGTH_LONG).show();
+                loading_picture.setVisibility(View.GONE);
+                toot_picture.setEnabled(true);
+                e.printStackTrace();
+            }
+        }
+    }
+
     @Override
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);