save the edited bitmap when done

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

@@ -183,6 +183,18 @@ public class ViewPagerActivity extends SimpleActivity
         startActivityForResult(intent, EDIT_IMAGE);
     }
 
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        if (requestCode == EDIT_IMAGE) {
+            if (resultCode == RESULT_OK && data != null) {
+
+            } else {
+                Utils.showToast(getApplicationContext(), R.string.image_editing_failed);
+            }
+        }
+        super.onActivityResult(requestCode, resultCode, data);
+    }
+
     private void setAsWallpaper() {
         final Bitmap bitmap = BitmapFactory.decodeFile(getCurrentFile().getAbsolutePath());
         final WallpaperManager wallpaperManager = WallpaperManager.getInstance(getApplicationContext());

app/src/main/kotlin/com/simplemobiletools/gallery/activities/EditActivity.kt

@@ -1,14 +1,24 @@
 package com.simplemobiletools.gallery.activities
 
+import android.app.Activity
+import android.graphics.Bitmap
+import android.media.MediaScannerConnection
+import android.net.Uri
 import android.os.Bundle
+import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import com.simplemobiletools.gallery.R
 import com.simplemobiletools.gallery.extensions.toast
 import com.theartofdev.edmodo.cropper.CropImageView
 import kotlinx.android.synthetic.main.activity_edit.*
+import java.io.File
+import java.io.FileOutputStream
+import java.io.IOException
 
 class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener {
+    val TAG: String = EditActivity::class.java.simpleName
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_edit)
@@ -19,6 +29,7 @@ class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener
             return
         }
 
+        Log.e("DEBUG", "uri $TAG ${intent.data}")
         crop_image_view.apply {
             guidelines = CropImageView.Guidelines.OFF
             setOnCropImageCompleteListener(this@EditActivity)
@@ -47,9 +58,36 @@ class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener
 
     override fun onCropImageComplete(view: CropImageView, result: CropImageView.CropResult) {
         if (result.error == null) {
-            val bitmap = result.bitmap
+            val path = intent.data.path
+            val file = File(path)
+            var out: FileOutputStream? = null
+            try {
+                out = FileOutputStream(file)
+                result.bitmap.compress(getFileExtension(file), 100, out)
+                setResult(Activity.RESULT_OK, intent)
+            } catch (e: Exception) {
+                Log.e(TAG, "Crop compressing failed $e")
+            } finally {
+                try {
+                    out?.close()
+                } catch (e: IOException) {
+                    Log.e(TAG, "FileOutputStream closing failed $e")
+                }
+            }
+
+            MediaScannerConnection.scanFile(applicationContext, arrayOf(path), null, { s: String, uri: Uri ->
+                finish()
+            })
         } else {
             toast("${getString(R.string.image_croping_failed)} ${result.error.message}")
         }
     }
+
+    private fun getFileExtension(file: File): Bitmap.CompressFormat {
+        return when (file.extension) {
+            "png" -> Bitmap.CompressFormat.PNG
+            "webp" -> Bitmap.CompressFormat.WEBP
+            else -> Bitmap.CompressFormat.JPEG
+        }
+    }
 }

app/src/main/res/values-de/strings.xml

@@ -49,6 +49,7 @@
     <string name="rotate">Rotate</string>
     <string name="image_croping_failed">Image croping failed:</string>
     <string name="invalid_image_path">Invalid image path</string>
+    <string name="image_editing_failed">Image editing failed</string>
 
     <!-- About -->
     <string name="about">Über</string>

app/src/main/res/values-es/strings.xml

@@ -49,6 +49,7 @@
     <string name="rotate">Rotate</string>
     <string name="image_croping_failed">Image croping failed:</string>
     <string name="invalid_image_path">Invalid image path</string>
+    <string name="image_editing_failed">Image editing failed</string>
 
     <!-- About -->
     <string name="about">Acerca de</string>

app/src/main/res/values-it/strings.xml

@@ -49,6 +49,7 @@
     <string name="rotate">Rotate</string>
     <string name="image_croping_failed">Image croping failed:</string>
     <string name="invalid_image_path">Invalid image path</string>
+    <string name="image_editing_failed">Image editing failed</string>
 
     <!-- About -->
     <string name="about">Informazioni</string>

app/src/main/res/values-ja/strings.xml

@@ -49,6 +49,7 @@
     <string name="rotate">Rotate</string>
     <string name="image_croping_failed">Image croping failed:</string>
     <string name="invalid_image_path">Invalid image path</string>
+    <string name="image_editing_failed">Image editing failed</string>
 
     <!-- About -->
     <string name="about">アプリについて</string>

app/src/main/res/values-pt-rPT/strings.xml

@@ -49,6 +49,7 @@
     <string name="rotate">Rotate</string>
     <string name="image_croping_failed">Image croping failed:</string>
     <string name="invalid_image_path">Invalid image path</string>
+    <string name="image_editing_failed">Image editing failed</string>
 
     <!-- About -->
     <string name="about">Sobre</string>

app/src/main/res/values-sv/strings.xml

@@ -49,6 +49,7 @@
     <string name="rotate">Rotate</string>
     <string name="image_croping_failed">Image croping failed:</string>
     <string name="invalid_image_path">Invalid image path</string>
+    <string name="image_editing_failed">Image editing failed</string>
 
     <!-- About -->
     <string name="about">Om</string>

app/src/main/res/values/strings.xml

@@ -49,6 +49,7 @@
     <string name="rotate">Rotate</string>
     <string name="image_croping_failed">Image croping failed:</string>
     <string name="invalid_image_path">Invalid image path</string>
+    <string name="image_editing_failed">Image editing failed</string>
 
     <!-- About -->
     <string name="about">About</string>