diff --git a/java/com/android/incallui/AnswerScreenPresenter.java b/java/com/android/incallui/AnswerScreenPresenter.java
new file mode 100644
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+++ b/java/com/android/incallui/AnswerScreenPresenter.java
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+/*
+ * Copyright (C) 2016 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.incallui;
+
+import android.content.Context;
+import android.support.annotation.FloatRange;
+import android.support.annotation.NonNull;
+import android.support.v4.os.UserManagerCompat;
+import com.android.dialer.common.Assert;
+import com.android.dialer.common.LogUtil;
+import com.android.incallui.answer.protocol.AnswerScreen;
+import com.android.incallui.answer.protocol.AnswerScreenDelegate;
+import com.android.incallui.answerproximitysensor.AnswerProximitySensor;
+import com.android.incallui.answerproximitysensor.PseudoScreenState;
+import com.android.incallui.call.DialerCall;
+
+/** Manages changes for an incoming call screen. */
+public class AnswerScreenPresenter
+    implements AnswerScreenDelegate, DialerCall.CannedTextResponsesLoadedListener {
+  @NonNull private final Context context;
+  @NonNull private final AnswerScreen answerScreen;
+  @NonNull private final DialerCall call;
+
+  public AnswerScreenPresenter(
+      @NonNull Context context, @NonNull AnswerScreen answerScreen, @NonNull DialerCall call) {
+    LogUtil.i("AnswerScreenPresenter.constructor", null);
+    this.context = Assert.isNotNull(context);
+    this.answerScreen = Assert.isNotNull(answerScreen);
+    this.call = Assert.isNotNull(call);
+    if (isSmsResponseAllowed(call)) {
+      answerScreen.setTextResponses(call.getCannedSmsResponses());
+    }
+    call.addCannedTextResponsesLoadedListener(this);
+
+    PseudoScreenState pseudoScreenState = InCallPresenter.getInstance().getPseudoScreenState();
+    if (AnswerProximitySensor.shouldUse(context, call)) {
+      new AnswerProximitySensor(context, call, pseudoScreenState);
+    } else {
+      pseudoScreenState.setOn(true);
+    }
+  }
+
+  @Override
+  public void onAnswerScreenUnready() {
+    call.removeCannedTextResponsesLoadedListener(this);
+  }
+
+  @Override
+  public void onDismissDialog() {
+    InCallPresenter.getInstance().onDismissDialog();
+  }
+
+  @Override
+  public void onRejectCallWithMessage(String message) {
+    call.reject(true /* rejectWithMessage */, message);
+    onDismissDialog();
+  }
+
+  @Override
+  public void onAnswer(int videoState) {
+    if (answerScreen.isVideoUpgradeRequest()) {
+      call.acceptUpgradeRequest(videoState);
+    } else {
+      call.answer(videoState);
+    }
+  }
+
+  @Override
+  public void onReject() {
+    if (answerScreen.isVideoUpgradeRequest()) {
+      call.declineUpgradeRequest();
+    } else {
+      call.reject(false /* rejectWithMessage */, null);
+    }
+  }
+
+  @Override
+  public void onCannedTextResponsesLoaded(DialerCall call) {
+    if (isSmsResponseAllowed(call)) {
+      answerScreen.setTextResponses(call.getCannedSmsResponses());
+    }
+  }
+
+  @Override
+  public void updateWindowBackgroundColor(@FloatRange(from = -1f, to = 1.0f) float progress) {
+    InCallActivity activity = (InCallActivity) answerScreen.getAnswerScreenFragment().getActivity();
+    if (activity != null) {
+      activity.updateWindowBackgroundColor(progress);
+    }
+  }
+
+  private boolean isSmsResponseAllowed(DialerCall call) {
+    return UserManagerCompat.isUserUnlocked(context)
+        && call.can(android.telecom.Call.Details.CAPABILITY_RESPOND_VIA_TEXT);
+  }
+}