add a new max photo resolution limit of 2 mpx

app/src/main/java/com/simplemobiletools/camera/Config.java

@@ -48,12 +48,26 @@ public class Config {
         mPrefs.edit().putBoolean(Constants.FORCE_RATIO, enabled).apply();
     }
 
+    // todo: delete this
+    public int getMaxResolution() {
+        return mPrefs.getInt(Constants.MAX_RESOLUTION, -1);
+    }
+
     public int getMaxPhotoResolution() {
-        return mPrefs.getInt(Constants.MAX_RESOLUTION, 1);
+        return mPrefs.getInt(Constants.MAX_PHOTO_RESOLUTION, getOldDefaultResolution());
     }
 
     public void setMaxPhotoResolution(int maxRes) {
-        mPrefs.edit().putInt(Constants.MAX_RESOLUTION, maxRes).apply();
+        mPrefs.edit().putInt(Constants.MAX_PHOTO_RESOLUTION, maxRes).apply();
+    }
+
+    private int getOldDefaultResolution() {
+        final int index = getMaxResolution();
+        switch (index) {
+            case 1: return 9000000;
+            case 2: return 0;
+            default: return 6000000;
+        }
     }
 
     public int getMaxVideoResolution() {

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

@@ -14,8 +14,9 @@ public class Constants {
     public static final String SAVE_PHOTOS = "save_photos";
     public static final String SOUND = "sound";
     public static final String FORCE_RATIO = "force_ratio";
-    public static final String MAX_RESOLUTION = "max_resolution";
+    public static final String MAX_PHOTO_RESOLUTION = "max_photo_resolution";
     public static final String MAX_VIDEO_RESOLUTION = "max_video_resolution";
+    public static final String MAX_RESOLUTION = "max_resolution";
     public static final String LAST_USED_CAMERA = "last_used_camera";
     public static final String LAST_FLASHLIGHT_STATE = "last_flashlight_state";
 }

app/src/main/java/com/simplemobiletools/camera/Preview.java

@@ -318,7 +318,7 @@ public class Preview extends ViewGroup
     };
 
     private Camera.Size getOptimalPictureSize() {
-        final int maxResolution = getMaxPhotoResolution();
+        final int maxResolution = Config.newInstance(mContext).getMaxPhotoResolution();
         final List<Camera.Size> sizes = mParameters.getSupportedPictureSizes();
         Collections.sort(sizes, new SizesComparator());
         Camera.Size maxSize = sizes.get(0);
@@ -333,18 +333,6 @@ public class Preview extends ViewGroup
         return maxSize;
     }
 
-    private int getMaxPhotoResolution() {
-        final int maxRes = Config.newInstance(mContext).getMaxPhotoResolution();
-        switch (maxRes) {
-            case 0:
-                return 6000000;
-            case 1:
-                return 9000000;
-            default:
-                return 0;
-        }
-    }
-
     private boolean isProperResolution(Camera.Size size, int maxRes) {
         return maxRes == 0 || size.width * size.height < maxRes;
     }

app/src/main/kotlin/com/simplemobiletools/camera/activities/SettingsActivity.kt

@@ -127,17 +127,36 @@ class SettingsActivity : SimpleActivity() {
     }
 
     private fun setupMaxPhotoResolution() {
-        settings_max_photo_resolution.setSelection(mConfig.maxPhotoResolution)
+        settings_max_photo_resolution.setSelection(getMaxPhotoSelection())
         settings_max_photo_resolution.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
             override fun onNothingSelected(parent: AdapterView<*>?) {
             }
 
             override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
-                mConfig.maxPhotoResolution = settings_max_photo_resolution.selectedItemPosition
+                mConfig.maxPhotoResolution = getMaxPhotoPx(settings_max_photo_resolution.selectedItemPosition)
             }
         }
     }
 
+    private fun getMaxPhotoSelection(): Int {
+        val maxRes = mConfig.maxPhotoResolution
+        return when (maxRes) {
+            3000000 -> 0
+            6000000 -> 1
+            9000000 -> 2
+            else -> 3
+        }
+    }
+
+    private fun getMaxPhotoPx(index: Int): Int {
+        return when (index) {
+            0 -> 3000000
+            1 -> 6000000
+            2 -> 9000000
+            else -> 0
+        }
+    }
+
     private fun setupMaxVideoResolution() {
         settings_max_video_resolution.setSelection(mConfig.maxVideoResolution)
         settings_max_video_resolution.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {

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

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <string-array name="max_photo_resolutions" translatable="false">
+        <item>2 MP</item>
         <item>5 MP</item>
         <item>8 MP</item>
         <item>@string/no_limit</item>