add kotlin support for launcher

Bug: 193432925
Test: click on the app icon and check logcat
Change-Id: I2ca4d57105fe4e1b1dfc6c968a7c1bbd3cbd2151

Android.bp

@@ -152,9 +152,13 @@ android_app {
     ],
     srcs: [
         "src/**/*.java",
+        "src/**/*.kt",
         "src_shortcuts_overrides/**/*.java",
+        "src_shortcuts_overrides/**/*.kt",
         "src_ui_overrides/**/*.java",
+        "src_ui_overrides/**/*.kt",
         "ext_tests/src/**/*.java",
+        "ext_tests/src/**/*.kt",
     ],
     resource_dirs: [
         "ext_tests/res",
@@ -211,7 +215,10 @@ android_library {
 // Source code used for test helpers
 filegroup {
     name: "launcher-src-ext-tests",
-    srcs: ["ext_tests/src/**/*.java"],
+    srcs: [
+        "ext_tests/src/**/*.java",
+        "ext_tests/src/**/*.kt",
+    ],
 }
 
 // Common source files used to build launcher
@@ -219,8 +226,11 @@ filegroup {
     name: "launcher-src-no-build-config",
     srcs: [
         "src/**/*.java",
+        "src/**/*.kt",
         "src_shortcuts_overrides/**/*.java",
+        "src_shortcuts_overrides/**/*.kt",
         "quickstep/src/**/*.java",
+        "quickstep/src/**/*.kt",
     ],
 }
 
@@ -235,9 +245,13 @@ android_library {
     name: "LauncherGoResLib",
     srcs: [
         "src/**/*.java",
+        "src/**/*.kt",
         "quickstep/src/**/*.java",
+        "quickstep/src/**/*.kt",
         "go/src/**/*.java",
+        "go/src/**/*.kt",
         "go/quickstep/src/**/*.java",
+        "go/quickstep/src/**/*.kt",
     ],
     resource_dirs: [
         "go/res",

Android.mk

@@ -105,7 +105,7 @@ else
   LOCAL_SDK_VERSION := system_current
   LOCAL_MIN_SDK_VERSION := 26
 endif
-LOCAL_STATIC_ANDROID_LIBRARIES := Launcher3CommonDepsLib
+LOCAL_STATIC_ANDROID_LIBRARIES := LauncherGoResLib
 
 LOCAL_SRC_FILES := \
     $(call all-java-files-under, src) \

quickstep/src/com/android/quickstep/util/TaskKeyLruCache.java

@@ -20,6 +20,7 @@ import android.util.Log;
 import com.android.systemui.shared.recents.model.Task.TaskKey;
 
 import java.util.LinkedHashMap;
+import java.util.Map;
 import java.util.function.Predicate;
 
 /**
@@ -117,7 +118,7 @@ public class TaskKeyLruCache<V> {
         }
 
         @Override
-        protected boolean removeEldestEntry(Entry<Integer, TaskKeyLruCache.Entry<V>> eldest) {
+        protected boolean removeEldestEntry(Map.Entry<Integer, TaskKeyLruCache.Entry<V>> eldest) {
             return size() > mMaxSize;
         }
     }

quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt

@@ -0,0 +1,14 @@
+package com.android.quickstep.views
+
+import android.util.Log
+
+// TODO(http://b/193432925)
+class TaskMenuViewWithArrow {
+    companion object {
+        const val TAG = "TaskMenuViewWithArrow"
+
+        fun logSomething() {
+            Log.d(TAG, "It worked!")
+        }
+    }
+}

quickstep/src/com/android/quickstep/views/TaskView.java

@@ -115,6 +115,7 @@ import java.util.stream.Stream;
 public class TaskView extends FrameLayout implements Reusable {
 
     private static final String TAG = TaskView.class.getSimpleName();
+    private static final boolean DEBUG = false;
 
     public static final int FLAG_UPDATE_ICON = 1;
     public static final int FLAG_UPDATE_THUMBNAIL = FLAG_UPDATE_ICON << 1;
@@ -808,6 +809,8 @@ public class TaskView extends FrameLayout implements Reusable {
     }
 
     protected boolean showTaskMenuWithContainer(IconView iconView) {
+        // TODO(http://b/193432925)
+        if (DEBUG) TaskMenuViewWithArrow.Companion.logSomething();
         return TaskMenuView.showForTask(mTaskIdAttributeContainer[0]);
     }