From b36e85844d2591ca9982b8ecdd61ac2ff908dd20 Mon Sep 17 00:00:00 2001
From: tibbi <tibor@kaputa.sk>
Date: Wed, 15 Jun 2016 15:20:05 +0200
Subject: [PATCH] allow using the app as an image chooser

---
 app/src/main/AndroidManifest.xml              |  6 ++++++
 .../simplemobiletools/gallery/Constants.java  |  1 +
 .../gallery/activities/MainActivity.java      | 19 ++++++++++++++++++-
 .../gallery/activities/MediaActivity.java     | 13 ++++++++++---
 4 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index b017bb86a..3cc4ff78f 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -18,6 +18,12 @@
 
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
+
+            <intent-filter>
+                <action android:name="android.intent.action.PICK"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+                <data android:mimeType="vnd.android.cursor.dir/image"/>
+            </intent-filter>
         </activity>
 
         <activity
diff --git a/app/src/main/java/com/simplemobiletools/gallery/Constants.java b/app/src/main/java/com/simplemobiletools/gallery/Constants.java
index 020389155..345479f6a 100644
--- a/app/src/main/java/com/simplemobiletools/gallery/Constants.java
+++ b/app/src/main/java/com/simplemobiletools/gallery/Constants.java
@@ -3,4 +3,5 @@ package com.simplemobiletools.gallery;
 public class Constants {
     public static final String DIRECTORY = "directory";
     public static final String MEDIUM = "medium";
+    public static final String PICK_INTENT = "is_pick_intent";
 }
diff --git a/app/src/main/java/com/simplemobiletools/gallery/activities/MainActivity.java b/app/src/main/java/com/simplemobiletools/gallery/activities/MainActivity.java
index 9ea175974..80f7ec92a 100644
--- a/app/src/main/java/com/simplemobiletools/gallery/activities/MainActivity.java
+++ b/app/src/main/java/com/simplemobiletools/gallery/activities/MainActivity.java
@@ -47,6 +47,7 @@ public class MainActivity extends AppCompatActivity
     @BindView(R.id.directories_grid) GridView gridView;
 
     private static final int STORAGE_PERMISSION = 1;
+    private static final int PICK_IMAGE = 2;
     private List<Directory> dirs;
     private int selectedItemsCnt;
     private Snackbar snackbar;
@@ -318,11 +319,27 @@ public class MainActivity extends AppCompatActivity
         });
     }
 
+    private boolean isPickIntent(Intent intent) {
+        return intent != null && intent.getAction() != null && intent.getAction().equals(Intent.ACTION_PICK);
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        if (requestCode == PICK_IMAGE && resultCode == RESULT_OK && data != null) {
+            final Intent result = new Intent();
+            result.setData(data.getData());
+            setResult(RESULT_OK, result);
+            finish();
+        }
+        super.onActivityResult(requestCode, resultCode, data);
+    }
+
     @Override
     public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
         final Intent intent = new Intent(this, MediaActivity.class);
         intent.putExtra(Constants.DIRECTORY, dirs.get(position).getPath());
-        startActivity(intent);
+        intent.putExtra(Constants.PICK_INTENT, isPickIntent(getIntent()));
+        startActivityForResult(intent, PICK_IMAGE);
     }
 
     @Override
diff --git a/app/src/main/java/com/simplemobiletools/gallery/activities/MediaActivity.java b/app/src/main/java/com/simplemobiletools/gallery/activities/MediaActivity.java
index 0bd81f8c2..c68411d15 100644
--- a/app/src/main/java/com/simplemobiletools/gallery/activities/MediaActivity.java
+++ b/app/src/main/java/com/simplemobiletools/gallery/activities/MediaActivity.java
@@ -234,9 +234,16 @@ public class MediaActivity extends AppCompatActivity
 
     @Override
     public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
-        final Intent intent = new Intent(this, ViewPagerActivity.class);
-        intent.putExtra(Constants.MEDIUM, media.get(position).getPath());
-        startActivity(intent);
+        if (getIntent().getBooleanExtra(Constants.PICK_INTENT, false)) {
+            final Intent result = new Intent();
+            result.setData(Uri.parse(media.get(position).getPath()));
+            setResult(RESULT_OK, result);
+            finish();
+        } else {
+            final Intent intent = new Intent(this, ViewPagerActivity.class);
+            intent.putExtra(Constants.MEDIUM, media.get(position).getPath());
+            startActivity(intent);
+        }
     }
 
     @Override