diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/helpers/SplitScreenHelper.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/helpers/SplitScreenHelper.kt
index d4298b8..49eca63 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/helpers/SplitScreenHelper.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/helpers/SplitScreenHelper.kt
@@ -25,11 +25,13 @@
 import androidx.test.uiautomator.BySelector
 import androidx.test.uiautomator.UiDevice
 import androidx.test.uiautomator.Until
+import com.android.launcher3.tapl.LauncherInstrumentation
 import com.android.server.wm.traces.common.FlickerComponentName
 import com.android.server.wm.traces.parser.toFlickerComponent
 import com.android.server.wm.traces.parser.windowmanager.WindowManagerStateHelper
 import com.android.wm.shell.flicker.SYSTEM_UI_PACKAGE_NAME
 import com.android.wm.shell.flicker.testapp.Components
+import org.junit.Assert
 
 class SplitScreenHelper(
     instrumentation: Instrumentation,
@@ -187,5 +189,23 @@
                 SystemClock.sleep(GESTURE_STEP_MS)
             }
         }
+
+        fun createShortcutOnHotseatIfNotExist(
+            taplInstrumentation: LauncherInstrumentation,
+            appName: String
+        ) {
+            taplInstrumentation.workspace
+                .deleteAppIcon(taplInstrumentation.workspace.getHotseatAppIcon(0))
+            val allApps = taplInstrumentation.workspace.switchToAllApps()
+            allApps.freeze()
+            try {
+                val appIconSrc = allApps.getAppIcon(appName)
+                Assert.assertNotNull("Unable to find app icon", appIconSrc)
+                val appIconDest = appIconSrc.dragToHotseat(0)
+                Assert.assertNotNull("Unable to drag app icon on hotseat", appIconDest)
+            } finally {
+                allApps.unfreeze()
+            }
+        }
     }
 }
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/EnterSplitScreenByDragFromTaskbar.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/EnterSplitScreenByDragFromTaskbar.kt
new file mode 100644
index 0000000..05c6e24
--- /dev/null
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/EnterSplitScreenByDragFromTaskbar.kt
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.wm.shell.flicker.splitscreen
+
+import android.platform.test.annotations.Presubmit
+import android.view.WindowManagerPolicyConstants
+import androidx.test.filters.RequiresDevice
+import com.android.server.wm.flicker.FlickerParametersRunnerFactory
+import com.android.server.wm.flicker.FlickerTestParameter
+import com.android.server.wm.flicker.FlickerTestParameterFactory
+import com.android.server.wm.flicker.annotation.Group1
+import com.android.server.wm.flicker.dsl.FlickerBuilder
+import com.android.wm.shell.flicker.appWindowBecomesVisible
+import com.android.wm.shell.flicker.appWindowIsVisibleAtEnd
+import com.android.wm.shell.flicker.helpers.SplitScreenHelper
+import com.android.wm.shell.flicker.layerBecomesVisible
+import com.android.wm.shell.flicker.layerIsVisibleAtEnd
+import com.android.wm.shell.flicker.splitAppLayerBoundsBecomesVisible
+import com.android.wm.shell.flicker.splitAppLayerBoundsIsVisibleAtEnd
+import com.android.wm.shell.flicker.splitScreenDividerBecomesVisible
+import org.junit.Assume
+import org.junit.Before
+import org.junit.FixMethodOrder
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.junit.runners.MethodSorters
+import org.junit.runners.Parameterized
+
+/**
+ * Test enter split screen by dragging app icon from taskbar.
+ * This test is only for large screen devices.
+ *
+ * To run this test: `atest WMShellFlickerTests:EnterSplitScreenByDragFromTaskbar`
+ */
+@RequiresDevice
+@RunWith(Parameterized::class)
+@Parameterized.UseParametersRunnerFactory(FlickerParametersRunnerFactory::class)
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@Group1
+class EnterSplitScreenByDragFromTaskbar(
+    testSpec: FlickerTestParameter
+) : SplitScreenBase(testSpec) {
+
+    @Before
+    fun before() {
+        Assume.assumeTrue(taplInstrumentation.isTablet)
+    }
+
+    override val transition: FlickerBuilder.() -> Unit
+        get() = {
+            super.transition(this)
+            setup {
+                eachRun {
+                    taplInstrumentation.goHome()
+                    SplitScreenHelper.createShortcutOnHotseatIfNotExist(
+                        taplInstrumentation, secondaryApp.appName
+                    )
+                    primaryApp.launchViaIntent(wmHelper)
+                }
+            }
+            transitions {
+                taplInstrumentation.launchedAppState.taskbar
+                    .getAppIcon(secondaryApp.appName)
+                    .dragToSplitscreen(
+                        secondaryApp.component.packageName,
+                        primaryApp.component.packageName
+                    )
+            }
+        }
+
+    @Presubmit
+    @Test
+    fun dividerBecomesVisible() = testSpec.splitScreenDividerBecomesVisible()
+
+    @Presubmit
+    @Test
+    fun primaryAppLayerIsVisibleAtEnd() = testSpec.layerIsVisibleAtEnd(primaryApp.component)
+
+    @Presubmit
+    @Test
+    fun secondaryAppLayerBecomesVisible() = testSpec.layerBecomesVisible(secondaryApp.component)
+
+    @Presubmit
+    @Test
+    fun primaryAppBoundsIsVisibleAtEnd() = testSpec.splitAppLayerBoundsIsVisibleAtEnd(
+        testSpec.endRotation, primaryApp.component, false /* splitLeftTop */
+    )
+
+    @Presubmit
+    @Test
+    fun secondaryAppBoundsBecomesVisible() = testSpec.splitAppLayerBoundsBecomesVisible(
+        testSpec.endRotation, secondaryApp.component, true /* splitLeftTop */
+    )
+
+    @Presubmit
+    @Test
+    fun primaryAppWindowIsVisibleAtEnd() = testSpec.appWindowIsVisibleAtEnd(primaryApp.component)
+
+    @Presubmit
+    @Test
+    fun secondaryAppWindowBecomesVisible() =
+        testSpec.appWindowBecomesVisible(secondaryApp.component)
+
+    companion object {
+        @Parameterized.Parameters(name = "{0}")
+        @JvmStatic
+        fun getParams(): List<FlickerTestParameter> {
+            return FlickerTestParameterFactory.getInstance().getConfigNonRotationTests(
+                repetitions = SplitScreenHelper.TEST_REPETITIONS,
+                supportedNavigationModes =
+                    listOf(WindowManagerPolicyConstants.NAV_BAR_MODE_GESTURAL_OVERLAY)
+            )
+        }
+    }
+}