commit 87dc48b7bfaa6b7691cc8b8db2433e6f6b5270ef
author Sunny Goyal <sunnygoyal@google.com> Fri Oct 12 11:42:33 2018 -0700
committer Sunny Goyal <sunnygoyal@google.com> Fri Oct 19 12:52:17 2018 -0700
tree a8c8f7957ba08ad1e8bd15b55462a32d2a6e4e8e
parent 6e11a2d9f275c74e91a8b5af049f6126ed34d176

Handling configuration changes at runtime instead of killing the process

Change-Id: I0c7f7e58ddb690f371c257b6142a4e918e9acb7f

src/com/android/launcher3/LauncherAppState.java

diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index 6bf5812..338c20b 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -17,6 +17,7 @@
 package com.android.launcher3;
 
 import static com.android.launcher3.util.SecureSettingsObserver.newNotificationSettingsObserver;
+import static com.android.launcher3.InvariantDeviceProfile.CHANGE_FLAG_ICON_SIZE;
 
 import android.content.ComponentName;
 import android.content.ContentProviderClient;
@@ -30,6 +31,7 @@
 import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.icons.IconCache;
+import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.notification.NotificationListener;
 import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.util.Preconditions;
@@ -94,6 +96,7 @@
 
         mContext.registerReceiver(mModel, filter);
         UserManagerCompat.getInstance(mContext).enableAndResetCache();
+        mInvariantDeviceProfile.addOnChangeListener(this::onIdpChanged);
 
         if (!mContext.getResources().getBoolean(R.bool.notification_badging_enabled)) {
             mNotificationBadgingObserver = null;
@@ -113,6 +116,19 @@
         }
     }
 
+    private void onIdpChanged(int changeFlags, InvariantDeviceProfile idp) {
+        if (changeFlags == 0) {
+            return;
+        }
+
+        if ((changeFlags & CHANGE_FLAG_ICON_SIZE) != 0) {
+            LauncherIcons.clearPool();
+            mIconCache.updateIconParams(idp.fillResIconDpi, idp.iconBitmapSize);
+        }
+
+        mModel.forceReload();
+    }
+
     /**
      * Call from Application.onTerminate(), which is not guaranteed to ever be called.
      */