support multi-images and content uri real path resolving

README.md

@@ -288,6 +288,7 @@ public class MainApplication extends Application implements ReactApplication {
     android:theme="@style/Theme.Share.Transparent" >
    <intent-filter>
      <action android:name="android.intent.action.SEND" />
+     <action android:name="android.intent.action.SEND_MULTIPLE" />
      <category android:name="android.intent.category.DEFAULT" />
     //  for sharing links include
      <data android:mimeType="text/plain" />

android/src/main/java/com/alinz/parkerdan/shareextension/RealPathUtil.java

@@ -9,6 +9,10 @@
 import android.content.ContentUris;
 import android.os.Environment;
 
+import android.os.ParcelFileDescriptor;
+import java.io.*;
+import java.nio.channels.FileChannel;
+
 public class RealPathUtil {
  public static String getRealPathFromURI(final Context context, final Uri uri) {
 
@@ -67,7 +71,11 @@ else if ("content".equalsIgnoreCase(uri.getScheme())) {
          if (isGooglePhotosUri(uri))
              return uri.getLastPathSegment();
 
-         return getDataColumn(context, uri, null, null);
+         String path = getDataColumn(context, uri, null, null);
+
+         if (path != null) return path;
+         // Try save to tmp file, and return tmp file path
+         return getPathFromSavingTempFile(context, uri);
      }
      // File
      else if ("file".equalsIgnoreCase(uri.getScheme())) {
@@ -77,6 +85,25 @@ else if ("file".equalsIgnoreCase(uri.getScheme())) {
      return null;
  }
 
+ public static String getPathFromSavingTempFile(Context context, final Uri uri) {
+     File tmpFile;
+     try {
+        String fileName = uri.getLastPathSegment();
+        tmpFile = File.createTempFile("tmp", fileName, context.getCacheDir());
+
+        ParcelFileDescriptor pfd = context.getContentResolver().openFileDescriptor(uri, "r");
+
+        FileChannel src = new FileInputStream(pfd.getFileDescriptor()).getChannel();
+        FileChannel dst = new FileOutputStream(tmpFile).getChannel();
+        dst.transferFrom(src, 0, src.size());
+        src.close();
+        dst.close();
+    } catch (IOException ex) {
+        return null;
+    }
+    return tmpFile.getAbsolutePath();
+ }
+
  /**
   * Get the value of the data column for this Uri. This is useful for
   * MediaStore Uris, and other file-based ContentProviders.

android/src/main/java/com/alinz/parkerdan/shareextension/ShareModule.java

@@ -5,6 +5,7 @@
 import com.facebook.react.bridge.Promise;
 import com.facebook.react.bridge.ReactMethod;
 import com.facebook.react.bridge.WritableMap;
+import com.facebook.react.bridge.WritableArray;
 import com.facebook.react.bridge.Arguments;
 
 import android.app.Activity;
@@ -13,6 +14,7 @@
 
 import android.graphics.Bitmap;
 import java.io.InputStream;
+import java.util.ArrayList;
 
 
 public class ShareModule extends ReactContextBaseJavaModule {
@@ -27,6 +29,18 @@ public String getName() {
       return "ReactNativeShareExtension";
   }
 
+  @ReactMethod
+  public void clear() {
+    Activity currentActivity = getCurrentActivity();
+
+    if (currentActivity != null) {
+      Intent intent = currentActivity.getIntent();
+      intent.setAction("");
+      intent.removeExtra(Intent.EXTRA_TEXT);
+      intent.removeExtra(Intent.EXTRA_STREAM);
+    }
+  }
+
   @ReactMethod
   public void close() {
     getCurrentActivity().finish();
@@ -39,8 +53,9 @@ public void data(Promise promise) {
 
   public WritableMap processIntent() {
       WritableMap map = Arguments.createMap();
+      WritableArray images = Arguments.createArray();
 
-      String value = "";
+      String text = "";
       String type = "";
       String action = "";
 
@@ -53,23 +68,23 @@ public WritableMap processIntent() {
         if (type == null) {
           type = "";
         }
+
         if (Intent.ACTION_SEND.equals(action) && "text/plain".equals(type)) {
-          value = intent.getStringExtra(Intent.EXTRA_TEXT);
-        }
-        else if (Intent.ACTION_SEND.equals(action) && ("image/*".equals(type) || "image/jpeg".equals(type) || "image/png".equals(type) || "image/jpg".equals(type) ) ) {
+          text = intent.getStringExtra(Intent.EXTRA_TEXT);
+        } else if (Intent.ACTION_SEND.equals(action) && type.startsWith("image")) {
           Uri uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
-         value = "file://" + RealPathUtil.getRealPathFromURI(currentActivity, uri);
-
-       } else {
-         value = "";
-       }
-      } else {
-        value = "";
-        type = "";
-      }
+          images.pushString("file://" + RealPathUtil.getRealPathFromURI(currentActivity, uri));
+        } else if (Intent.ACTION_SEND_MULTIPLE.equals(action) && type.startsWith("image")) {
+          ArrayList<Uri> uris = intent.getParcelableArrayListExtra(Intent.EXTRA_STREAM);
+          for (Uri uri : uris) {
+              images.pushString("file://" + RealPathUtil.getRealPathFromURI(currentActivity, uri));
+          }
+        } 
+      } 
 
       map.putString("type", type);
-      map.putString("value",value);
+      map.putString("text", text);
+      map.putArray("images", images);
 
       return map;
   }

lib/index.js

@@ -5,5 +5,6 @@ import { NativeModules } from 'react-native'
 // NativeModules.ShareExtension.close()
 export default {
   data: () => NativeModules.ReactNativeShareExtension.data(),
-  close: () => NativeModules.ReactNativeShareExtension.close()
+  close: () => NativeModules.ReactNativeShareExtension.close(),
+  clear: () => NativeModules.ReactNativeShareExtension.clear()
 }