add the option to disable Shutter sound

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

@@ -53,4 +53,12 @@ public class Config {
     public void setMaxResolution(int maxRes) {
         mPrefs.edit().putInt(Constants.MAX_RESOLUTION, maxRes).apply();
     }
+
+    public boolean getIsSoundEnabled() {
+        return mPrefs.getBoolean(Constants.SOUND, true);
+    }
+
+    public void setIsSoundEnabled(boolean enabled) {
+        mPrefs.edit().putBoolean(Constants.SOUND, enabled).apply();
+    }
 }

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

@@ -10,6 +10,7 @@ public class Constants {
     public static final String IS_FIRST_RUN = "is_first_run";
     public static final String LONG_TAP = "long_tap";
     public static final String FOCUS_BEFORE_CAPTURE = "focus_before_capture";
+    public static final String SOUND = "sound";
     public static final String FORCE_RATIO = "force_ratio";
     public static final String MAX_RESOLUTION = "max_resolution";
 }

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

@@ -223,7 +223,9 @@ public class Preview extends ViewGroup implements SurfaceHolder.Callback, View.O
             mParameters.setPictureSize(maxSize.width, maxSize.height);
             mParameters.setRotation(rotation % 360);
 
-            MediaPlayer.create(getContext(), R.raw.camera_shutter).start();
+            if (Config.newInstance(getContext()).getIsSoundEnabled())
+                MediaPlayer.create(getContext(), R.raw.camera_shutter).start();
+
             if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR1) {
                 mCamera.enableShutterSound(false);
             }

app/src/main/java/com/simplemobiletools/camera/activities/SettingsActivity.java

@@ -16,6 +16,7 @@ import butterknife.OnItemSelected;
 public class SettingsActivity extends AppCompatActivity {
     @BindView(R.id.settings_long_tap) SwitchCompat mLongTapSwitch;
     @BindView(R.id.settings_focus_before_capture) SwitchCompat mFocusBeforeCaptureSwitch;
+    @BindView(R.id.settings_sound) SwitchCompat mSoundSwitch;
     @BindView(R.id.settings_force_ratio) SwitchCompat mForceRatioSwitch;
     @BindView(R.id.settings_max_resolution) AppCompatSpinner mMaxResolutionSpinner;
 
@@ -30,6 +31,7 @@ public class SettingsActivity extends AppCompatActivity {
 
         setupLongTap();
         setupFocusBeforeCapture();
+        setupSound();
         setupForceRatio();
         setupMaxResolution();
     }
@@ -42,6 +44,10 @@ public class SettingsActivity extends AppCompatActivity {
         mFocusBeforeCaptureSwitch.setChecked(mConfig.getFocusBeforeCaptureEnabled());
     }
 
+    private void setupSound() {
+        mSoundSwitch.setChecked(mConfig.getIsSoundEnabled());
+    }
+
     private void setupForceRatio() {
         mForceRatioSwitch.setChecked(mConfig.getForceRatioEnabled());
     }
@@ -62,6 +68,12 @@ public class SettingsActivity extends AppCompatActivity {
         mConfig.setFocusBeforeCaptureEnabled(mFocusBeforeCaptureSwitch.isChecked());
     }
 
+    @OnClick(R.id.settings_sound_holder)
+    public void handleSound() {
+        mSoundSwitch.setChecked(!mSoundSwitch.isChecked());
+        mConfig.setIsSoundEnabled(mSoundSwitch.isChecked());
+    }
+
     @OnClick(R.id.settings_force_ratio_holder)
     public void handleForceRatio() {
         mForceRatioSwitch.setChecked(!mForceRatioSwitch.isChecked());

app/src/main/res/layout/activity_settings.xml

@@ -58,6 +58,32 @@
 
     </RelativeLayout>
 
+    <RelativeLayout
+        android:id="@+id/settings_sound_holder"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/settings_padding"
+        android:background="?android:attr/selectableItemBackground"
+        android:padding="@dimen/activity_margin">
+
+        <TextView
+            android:id="@+id/settings_sound_label"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:paddingLeft="@dimen/settings_padding"
+            android:text="@string/shutter_sound"/>
+
+        <android.support.v7.widget.SwitchCompat
+            android:id="@+id/settings_sound"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentRight="true"
+            android:background="@null"
+            android:clickable="false"/>
+
+    </RelativeLayout>
+
     <RelativeLayout
         android:id="@+id/settings_force_ratio_holder"
         android:layout_width="match_parent"

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

@@ -19,6 +19,7 @@
     <string name="force_ratio">Force 16:9 ratio</string>
     <string name="max_size">Photo resolution limit</string>
     <string name="no_limit">none</string>
+    <string name="shutter_sound">Shutter sound</string>
 
     <!-- About -->
     <string name="about">About</string>