diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/CommonAssertions.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/CommonAssertions.kt
index cb478c84c2b78..bf2c0a65c0cec 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/CommonAssertions.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/CommonAssertions.kt
@@ -43,6 +43,32 @@ fun FlickerTestParameter.appPairsDividerBecomesVisible() {
     }
 }
 
+fun FlickerTestParameter.splitScreenDividerBecomesVisible() {
+    assertLayers {
+        this.isInvisible(SPLIT_SCREEN_DIVIDER_COMPONENT)
+            .then()
+            .isVisible(SPLIT_SCREEN_DIVIDER_COMPONENT)
+    }
+}
+
+fun FlickerTestParameter.appWindowBecomesVisible(
+    component: FlickerComponentName
+) {
+    assertWm {
+        this.isAppWindowInvisible(component)
+            .then()
+            .isAppWindowVisible(component)
+    }
+}
+
+fun FlickerTestParameter.appWindowIsVisibleAtEnd(
+    component: FlickerComponentName
+) {
+    assertWmEnd {
+        this.isAppWindowVisible(component)
+    }
+}
+
 fun FlickerTestParameter.dockedStackDividerIsVisibleAtEnd() {
     assertLayersEnd {
         this.isVisible(DOCKED_STACK_DIVIDER_COMPONENT)
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/CommonConstants.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/CommonConstants.kt
index 40891f36a5da0..f56eb6e783aa1 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/CommonConstants.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/CommonConstants.kt
@@ -21,4 +21,5 @@ import com.android.server.wm.traces.common.FlickerComponentName
 
 const val SYSTEM_UI_PACKAGE_NAME = "com.android.systemui"
 val APP_PAIR_SPLIT_DIVIDER_COMPONENT = FlickerComponentName("", "AppPairSplitDivider#")
-val DOCKED_STACK_DIVIDER_COMPONENT = FlickerComponentName("", "DockedStackDivider#")
\ No newline at end of file
+val DOCKED_STACK_DIVIDER_COMPONENT = FlickerComponentName("", "DockedStackDivider#")
+val SPLIT_SCREEN_DIVIDER_COMPONENT = FlickerComponentName("", "StageCoordinatorSplitDivider#")
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/EnterSplitScreenByDragFromAllApps.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/EnterSplitScreenByDragFromAllApps.kt
new file mode 100644
index 0000000000000..3b7afb716983a
--- /dev/null
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/EnterSplitScreenByDragFromAllApps.kt
@@ -0,0 +1,101 @@
+/*
+ * 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.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 all apps.
+ * This test is only for large screen devices.
+ *
+ * To run this test: `atest WMShellFlickerTests:EnterSplitScreenByDragFromAllApps`
+ */
+@RequiresDevice
+@RunWith(Parameterized::class)
+@Parameterized.UseParametersRunnerFactory(FlickerParametersRunnerFactory::class)
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@Group1
+class EnterSplitScreenByDragFromAllApps(
+    testSpec: FlickerTestParameter
+) : SplitScreenBase(testSpec) {
+
+    @Before
+    open fun before() {
+        Assume.assumeTrue(taplInstrumentation.isTablet)
+    }
+
+    override val transition: FlickerBuilder.() -> Unit
+        get() = {
+            super.transition(this)
+            setup {
+                eachRun {
+                    taplInstrumentation.goHome()
+                    primaryApp.launchViaIntent(wmHelper)
+                }
+            }
+            transitions {
+                taplInstrumentation.launchedAppState.taskbar
+                        .openAllApps()
+                        .getAppIcon(secondaryApp.appName)
+                        .dragToSplitscreen(secondaryApp.component.packageName,
+                                primaryApp.component.packageName)
+            }
+        }
+
+    @Presubmit
+    @Test
+    fun dividerBecomesVisible() = testSpec.splitScreenDividerBecomesVisible()
+
+    @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,
+                    // TODO(b/176061063):The 3 buttons of nav bar do not exist in the hierarchy.
+                    supportedNavigationModes =
+                        listOf(WindowManagerPolicyConstants.NAV_BAR_MODE_GESTURAL_OVERLAY))
+        }
+    }
+}
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/SplitScreenBase.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/SplitScreenBase.kt
new file mode 100644
index 0000000000000..52c2daf96a3c5
--- /dev/null
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/splitscreen/SplitScreenBase.kt
@@ -0,0 +1,59 @@
+/*
+ * 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.app.Instrumentation
+import android.content.Context
+import androidx.test.platform.app.InstrumentationRegistry
+import com.android.launcher3.tapl.LauncherInstrumentation
+import com.android.server.wm.flicker.FlickerBuilderProvider
+import com.android.server.wm.flicker.FlickerTestParameter
+import com.android.server.wm.flicker.dsl.FlickerBuilder
+import com.android.server.wm.flicker.helpers.setRotation
+import com.android.wm.shell.flicker.helpers.SplitScreenHelper
+
+abstract class SplitScreenBase(protected val testSpec: FlickerTestParameter) {
+    protected val instrumentation: Instrumentation = InstrumentationRegistry.getInstrumentation()
+    protected val taplInstrumentation = LauncherInstrumentation()
+    protected val context: Context = instrumentation.context
+    protected val primaryApp = SplitScreenHelper.getPrimary(instrumentation)
+    protected val secondaryApp = SplitScreenHelper.getSecondary(instrumentation)
+
+    @FlickerBuilderProvider
+    fun buildFlicker(): FlickerBuilder {
+        return FlickerBuilder(instrumentation).apply {
+            transition(this)
+        }
+    }
+
+    protected open val transition: FlickerBuilder.() -> Unit
+        get() = {
+            setup {
+                test {
+                    taplInstrumentation.setEnableRotation(true)
+                    setRotation(testSpec.startRotation)
+                    taplInstrumentation.setExpectedRotation(testSpec.startRotation)
+                }
+            }
+            teardown {
+                eachRun {
+                    primaryApp.exit(wmHelper)
+                    secondaryApp.exit(wmHelper)
+                }
+            }
+        }
+}