Updating the search hint to contain the icon as a span object.

This makes the icon part of the hint text, and removes any need for
custom focus event handling.
Also the icon will now appear at the start of the text  based on the
direction of the text and not the direction of the layout

Change-Id: I06c5cf99492d75b1005c69ec7c521cde0fdab010

1 files changed, 13 insertions, 1 deletions

diff --git a/src/com/android/launcher3/allapps/AllAppsContainerView.java b/src/com/android/launcher3/allapps/AllAppsContainerView.java
index 3ef510c3f..8b1f95087 100644
--- a/src/com/android/launcher3/allapps/AllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsContainerView.java
@@ -22,6 +22,8 @@ import android.graphics.Point;
 import android.graphics.Rect;
 import android.support.v7.widget.RecyclerView;
 import android.text.Selection;
+import android.text.Spannable;
+import android.text.SpannableString;
 import android.text.SpannableStringBuilder;
 import android.text.method.TextKeyListener;
 import android.util.AttributeSet;
@@ -47,6 +49,7 @@ import com.android.launcher3.Utilities;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.folder.Folder;
+import com.android.launcher3.graphics.TintedDrawableSpan;
 import com.android.launcher3.keyboard.FocusedItemDecorator;
 import com.android.launcher3.util.ComponentKey;
 
@@ -240,7 +243,6 @@ public class AllAppsContainerView extends BaseContainerView implements DragSourc
         }
         mSearchBarController = searchController;
         mSearchBarController.initialize(mApps, mSearchInput, mLauncher, this);
-        mSearchBarController.setHintView(findViewById(R.id.search_hint));
         mAdapter.setSearchController(mSearchBarController);
     }
 
@@ -308,6 +310,16 @@ public class AllAppsContainerView extends BaseContainerView implements DragSourc
 
         mSearchContainer = findViewById(R.id.search_container);
         mSearchInput = (ExtendedEditText) findViewById(R.id.search_box_input);
+
+        // Update the hint to contain the icon.
+        // Prefix the original hint with two spaces. The first space gets replaced by the icon
+        // using span. The second space is used for a singe space character between the hint
+        // and the icon.
+        SpannableString spanned = new SpannableString("  " + mSearchInput.getHint());
+        spanned.setSpan(new TintedDrawableSpan(getContext(), R.drawable.ic_allapps_search),
+                0, 1, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
+        mSearchInput.setHint(spanned);
+
         mSearchContainerOffsetTop = getResources().getDimensionPixelSize(
                 R.dimen.all_apps_search_bar_margin_top);