implement GET_CONTENT intent handling

app/src/main/AndroidManifest.xml

@@ -32,6 +32,16 @@
                 <data android:mimeType="vnd.android.cursor.dir/video"/>
             </intent-filter>
 
+            <intent-filter>
+                <action android:name="android.intent.action.GET_CONTENT"/>
+
+                <category android:name="android.intent.category.OPENABLE"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+
+                <data android:mimeType="image/*"/>
+                <data android:mimeType="video/*"/>
+            </intent-filter>
+
             <intent-filter>
                 <action android:name="android.intent.action.SET_WALLPAPER"/>
                 <category android:name="android.intent.category.DEFAULT"/>

app/src/main/java/com/simplemobiletools/gallery/Constants.java

@@ -3,7 +3,7 @@ package com.simplemobiletools.gallery;
 public class Constants {
     public static final String DIRECTORY = "directory";
     public static final String MEDIUM = "medium";
-    public static final String PICK_IMAGE_INTENT = "is_image_pick_intent";
+    public static final String GET_IMAGE_INTENT = "get_image_intent";
-    public static final String PICK_VIDEO_INTENT = "is_video_pick_intent";
+    public static final String GET_VIDEO_INTENT = "get_video_intent";
-    public static final String SET_WALLPAPER_INTENT = "is_set_wallpaper_intent";
+    public static final String SET_WALLPAPER_INTENT = "set_wallpaper_intent";
 }

app/src/main/java/com/simplemobiletools/gallery/Utils.java

@@ -9,6 +9,7 @@ import android.support.v7.app.ActionBar;
 import android.util.TypedValue;
 import android.view.View;
 import android.view.Window;
+import android.webkit.MimeTypeMap;
 import android.widget.Toast;
 
 public class Utils {
@@ -54,6 +55,14 @@ public class Utils {
         return ContextCompat.checkSelfPermission(cxt, Manifest.permission.READ_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
     }
 
+    public static String getMimeType(String url) {
+        final String extension = MimeTypeMap.getFileExtensionFromUrl(url);
+        if (extension != null) {
+            return MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
+        }
+        return "";
+    }
+
     public static void showSystemUI(ActionBar actionbar, Window window) {
         if (actionbar != null)
             actionbar.show();

app/src/main/java/com/simplemobiletools/gallery/activities/MainActivity.java

@@ -61,7 +61,10 @@ public class MainActivity extends AppCompatActivity
     private static boolean mIsSnackbarShown;
     private static boolean mIsPickImageIntent;
     private static boolean mIsPickVideoIntent;
+    private static boolean mIsGetImageContentIntent;
+    private static boolean mIsGetVideoContentIntent;
     private static boolean mIsSetWallpaperIntent;
+    private static boolean mIsThirdPartyIntent;
     private static int mSelectedItemsCnt;
 
     @Override
@@ -73,12 +76,16 @@ public class MainActivity extends AppCompatActivity
         final Intent intent = getIntent();
         mIsPickImageIntent = isPickImageIntent(intent);
         mIsPickVideoIntent = isPickVideoIntent(intent);
+        mIsGetImageContentIntent = isGetImageContentIntent(intent);
+        mIsGetVideoContentIntent = isGetVideoContentIntent(intent);
         mIsSetWallpaperIntent = isSetWallpaperIntent(intent);
+        mIsThirdPartyIntent = mIsPickImageIntent || mIsPickVideoIntent || mIsGetImageContentIntent || mIsGetVideoContentIntent ||
+                mIsSetWallpaperIntent;
     }
 
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
-        if (mIsSetWallpaperIntent)
+        if (mIsThirdPartyIntent)
             return false;
 
         getMenuInflater().inflate(R.menu.menu, menu);
@@ -150,12 +157,12 @@ public class MainActivity extends AppCompatActivity
         final Map<String, Directory> directories = new LinkedHashMap<>();
         final List<String> invalidFiles = new ArrayList<>();
         for (int i = 0; i < 2; i++) {
-            if (mIsPickVideoIntent && i == 0)
+            if ((mIsPickVideoIntent || mIsGetVideoContentIntent) && i == 0)
                 continue;
 
             Uri uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
             if (i == 1) {
-                if (mIsPickImageIntent)
+                if (mIsPickImageIntent || mIsGetImageContentIntent)
                     continue;
 
                 uri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
@@ -360,6 +367,19 @@ public class MainActivity extends AppCompatActivity
         return intent != null && intent.getAction() != null && intent.getAction().equals(Intent.ACTION_PICK) && intent.getData() != null;
     }
 
+    private boolean isGetContentIntent(Intent intent) {
+        return intent != null && intent.getAction() != null && intent.getAction().equals(Intent.ACTION_GET_CONTENT) &&
+                !intent.getType().isEmpty();
+    }
+
+    private boolean isGetImageContentIntent(Intent intent) {
+        return isGetContentIntent(intent) && intent.getType().startsWith("image/");
+    }
+
+    private boolean isGetVideoContentIntent(Intent intent) {
+        return isGetContentIntent(intent) && intent.getType().startsWith("video/");
+    }
+
     private boolean isSetWallpaperIntent(Intent intent) {
         return intent != null && intent.getAction() != null && intent.getAction().equals(Intent.ACTION_SET_WALLPAPER);
     }
@@ -369,7 +389,16 @@ public class MainActivity extends AppCompatActivity
         if (resultCode == RESULT_OK) {
             if (requestCode == PICK_MEDIA && data != null) {
                 final Intent result = new Intent();
-                result.setData(data.getData());
+                if (mIsGetImageContentIntent || mIsGetVideoContentIntent) {
+                    final String path = data.getData().getPath();
+                    final Uri uri = Uri.fromFile(new File(path));
+                    final String type = Utils.getMimeType(path);
+                    result.setDataAndTypeAndNormalize(uri, type);
+                    result.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
+                } else {
+                    result.setData(data.getData());
+                }
+
                 setResult(RESULT_OK, result);
                 finish();
             } else if (requestCode == PICK_WALLPAPER) {
@@ -389,8 +418,8 @@ public class MainActivity extends AppCompatActivity
             intent.putExtra(Constants.SET_WALLPAPER_INTENT, true);
             startActivityForResult(intent, PICK_WALLPAPER);
         } else {
-            intent.putExtra(Constants.PICK_IMAGE_INTENT, mIsPickImageIntent);
+            intent.putExtra(Constants.GET_IMAGE_INTENT, mIsPickImageIntent || mIsGetImageContentIntent);
-            intent.putExtra(Constants.PICK_VIDEO_INTENT, mIsPickVideoIntent);
+            intent.putExtra(Constants.GET_VIDEO_INTENT, mIsPickVideoIntent || mIsGetVideoContentIntent);
             startActivityForResult(intent, PICK_MEDIA);
         }
     }

app/src/main/java/com/simplemobiletools/gallery/activities/MediaActivity.java

@@ -56,8 +56,8 @@ public class MediaActivity extends AppCompatActivity
     private static Parcelable mState;
 
     private static boolean mIsSnackbarShown;
-    private static boolean mIsPickImageIntent;
+    private static boolean mIsGetImageIntent;
-    private static boolean mIsPickVideoIntent;
+    private static boolean mIsGetVideoIntent;
     private static int mSelectedItemsCnt;
 
     @Override
@@ -65,8 +65,8 @@ public class MediaActivity extends AppCompatActivity
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_media);
         ButterKnife.bind(this);
-        mIsPickImageIntent = getIntent().getBooleanExtra(Constants.PICK_IMAGE_INTENT, false);
+        mIsGetImageIntent = getIntent().getBooleanExtra(Constants.GET_IMAGE_INTENT, false);
-        mIsPickVideoIntent = getIntent().getBooleanExtra(Constants.PICK_VIDEO_INTENT, false);
+        mIsGetVideoIntent = getIntent().getBooleanExtra(Constants.GET_VIDEO_INTENT, false);
     }
 
     @Override
@@ -122,12 +122,12 @@ public class MediaActivity extends AppCompatActivity
         final List<Medium> media = new ArrayList<>();
         final List<String> invalidFiles = new ArrayList<>();
         for (int i = 0; i < 2; i++) {
-            if (mIsPickVideoIntent && i == 0)
+            if (mIsGetVideoIntent && i == 0)
                 continue;
 
             Uri uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
             if (i == 1) {
-                if (mIsPickImageIntent)
+                if (mIsGetImageIntent)
                     continue;
 
                 uri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
@@ -285,7 +285,7 @@ public class MediaActivity extends AppCompatActivity
                             finish();
                         }
                     });
-        } else if (mIsPickImageIntent || mIsPickVideoIntent) {
+        } else if (mIsGetImageIntent || mIsGetVideoIntent) {
             final Intent result = new Intent();
             result.setData(Uri.parse(curItemPath));
             setResult(RESULT_OK, result);