Don't use screenshot if structure is disabled (2/2)

Bug: 22674955
Change-Id: I78208a4c746e3a501fe264918607ef94f64a8034

src/com/android/settings/applications/ManageAssist.java

@@ -20,6 +20,7 @@ import android.app.AlertDialog;
 import android.content.ComponentName;
 import android.content.DialogInterface;
 import android.os.Bundle;
+import android.os.Handler;
 import android.preference.Preference;
 import android.preference.SwitchPreference;
 import android.provider.Settings;
@@ -45,6 +46,7 @@ public class ManageAssist extends SettingsPreferenceFragment
     private SwitchPreference mContextPref;
     private SwitchPreference mScreenshotPref;
     private VoiceInputListPreference mVoiceInputPref;
+    private Handler mHandler = new Handler();
 
     @Override
     public void onCreate(Bundle icicle) {
@@ -78,6 +80,7 @@ public class ManageAssist extends SettingsPreferenceFragment
         if (preference == mContextPref) {
             Settings.Secure.putInt(getContentResolver(), Settings.Secure.ASSIST_STRUCTURE_ENABLED,
                     (boolean) newValue ? 1 : 0);
+            postUpdateUi();
             return true;
         }
         if (preference == mScreenshotPref) {
@@ -102,6 +105,15 @@ public class ManageAssist extends SettingsPreferenceFragment
         return false;
     }
 
+    private void postUpdateUi() {
+        mHandler.post(new Runnable() {
+            @Override
+            public void run() {
+                updateUi();
+            }
+        });
+    }
+
     private void updateUi() {
         mDefaultAssitPref.refreshAssistApps();
         mVoiceInputPref.refreshVoiceInputs();
@@ -122,6 +134,11 @@ public class ManageAssist extends SettingsPreferenceFragment
             getPreferenceScreen().addPreference(mVoiceInputPref);
             mVoiceInputPref.setAssistRestrict(currentAssist);
         }
+
+        mScreenshotPref.setEnabled(mContextPref.isChecked());
+        if (!mContextPref.isChecked()) {
+            mScreenshotPref.setChecked(false);
+        }
     }
 
     private boolean isCurrentAssistVoiceService() {