src/com/android/incallui/AnswerFragment.java - platform/packages/apps/InCallUI - Git at Google

 /*
  * Copyright (C) 2013 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.app.AlertDialog;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
 import android.telecom.VideoProfile;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.WindowManager;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.ListView;

 import com.google.common.base.Preconditions;
 import com.google.common.collect.Lists;

 import java.util.ArrayList;
 import java.util.List;

 /**
  *
  */
 public class AnswerFragment extends BaseFragment<AnswerPresenter, AnswerPresenter.AnswerUi>
         implements GlowPadWrapper.AnswerListener, AnswerPresenter.AnswerUi {

     public static final int TARGET_SET_FOR_AUDIO_WITHOUT_SMS = 0;
     public static final int TARGET_SET_FOR_AUDIO_WITH_SMS = 1;
     public static final int TARGET_SET_FOR_VIDEO_WITHOUT_SMS = 2;
     public static final int TARGET_SET_FOR_VIDEO_WITH_SMS = 3;
     public static final int TARGET_SET_FOR_VIDEO_ACCEPT_REJECT_REQUEST = 4;

     /**
      * The popup showing the list of canned responses.
      *
      * This is an AlertDialog containing a ListView showing the possible choices.  This may be null
      * if the InCallScreen hasn't ever called showRespondViaSmsPopup() yet, or if the popup was
      * visible once but then got dismissed.
      */
     private Dialog mCannedResponsePopup = null;

     /**
      * The popup showing a text field for users to type in their custom message.
      */
     private AlertDialog mCustomMessagePopup = null;

     private ArrayAdapter<String> mSmsResponsesAdapter;

     private final List<String> mSmsResponses = new ArrayList<>();

     private GlowPadWrapper mGlowpad;

     public AnswerFragment() {
     }

     @Override
     public AnswerPresenter createPresenter() {
         return InCallPresenter.getInstance().getAnswerPresenter();
     }

     @Override
     public AnswerPresenter.AnswerUi getUi() {
         return this;
     }

     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
             Bundle savedInstanceState) {
         mGlowpad = (GlowPadWrapper) inflater.inflate(R.layout.answer_fragment,
                 container, false);

         Log.d(this, "Creating view for answer fragment ", this);
         Log.d(this, "Created from activity", getActivity());
         mGlowpad.setAnswerListener(this);

         return mGlowpad;
     }

     @Override
     public void onDestroyView() {
         Log.d(this, "onDestroyView");
         if (mGlowpad != null) {
             mGlowpad.stopPing();
             mGlowpad = null;
         }
         super.onDestroyView();
     }

     @Override
     public void onShowAnswerUi(boolean shown) {
         Log.d(this, "Show answer UI: " + shown);
         if (shown) {
             mGlowpad.startPing();
         } else {
             mGlowpad.stopPing();
         }
     }

     /**
      * Sets targets on the glowpad according to target set identified by the parameter.
      * @param targetSet Integer identifying the set of targets to use.
      */
     public void showTargets(int targetSet) {
         showTargets(targetSet, VideoProfile.STATE_BIDIRECTIONAL);
     }

     /**
      * Sets targets on the glowpad according to target set identified by the parameter.
      * @param targetSet Integer identifying the set of targets to use.
      */
     @Override
     public void showTargets(int targetSet, int videoState) {
         final int targetResourceId;
         final int targetDescriptionsResourceId;
         final int directionDescriptionsResourceId;
         final int handleDrawableResourceId;
         mGlowpad.setVideoState(videoState);

         switch (targetSet) {
             case TARGET_SET_FOR_AUDIO_WITH_SMS:
                 targetResourceId = R.array.incoming_call_widget_audio_with_sms_targets;
                 targetDescriptionsResourceId =
                         R.array.incoming_call_widget_audio_with_sms_target_descriptions;
                 directionDescriptionsResourceId =
                         R.array.incoming_call_widget_audio_with_sms_direction_descriptions;
                 handleDrawableResourceId = R.drawable.ic_incall_audio_handle;
                 break;
             case TARGET_SET_FOR_VIDEO_WITHOUT_SMS:
                 targetResourceId = R.array.incoming_call_widget_video_without_sms_targets;
                 targetDescriptionsResourceId =
                         R.array.incoming_call_widget_video_without_sms_target_descriptions;
                 directionDescriptionsResourceId =
                         R.array.incoming_call_widget_video_without_sms_direction_descriptions;
                 handleDrawableResourceId = R.drawable.ic_incall_video_handle;
                 break;
             case TARGET_SET_FOR_VIDEO_WITH_SMS:
                 targetResourceId = R.array.incoming_call_widget_video_with_sms_targets;
                 targetDescriptionsResourceId =
                         R.array.incoming_call_widget_video_with_sms_target_descriptions;
                 directionDescriptionsResourceId =
                         R.array.incoming_call_widget_video_with_sms_direction_descriptions;
                 handleDrawableResourceId = R.drawable.ic_incall_video_handle;
                 break;
             case TARGET_SET_FOR_VIDEO_ACCEPT_REJECT_REQUEST:
                 targetResourceId =
                     R.array.incoming_call_widget_video_request_targets;
                 targetDescriptionsResourceId =
                         R.array.incoming_call_widget_video_request_target_descriptions;
                 directionDescriptionsResourceId = R.array
                         .incoming_call_widget_video_request_target_direction_descriptions;
                 handleDrawableResourceId = R.drawable.ic_incall_video_handle;
                 break;
             case TARGET_SET_FOR_AUDIO_WITHOUT_SMS:
             default:
                 targetResourceId = R.array.incoming_call_widget_audio_without_sms_targets;
                 targetDescriptionsResourceId =
                         R.array.incoming_call_widget_audio_without_sms_target_descriptions;
                 directionDescriptionsResourceId =
                         R.array.incoming_call_widget_audio_without_sms_direction_descriptions;
                 handleDrawableResourceId = R.drawable.ic_incall_audio_handle;
                 break;
         }

         if (targetResourceId != mGlowpad.getTargetResourceId()) {
             mGlowpad.setTargetResources(targetResourceId);
             mGlowpad.setTargetDescriptionsResourceId(targetDescriptionsResourceId);
             mGlowpad.setDirectionDescriptionsResourceId(directionDescriptionsResourceId);
             mGlowpad.setHandleDrawable(handleDrawableResourceId);
             mGlowpad.reset(false);
         }
     }

     @Override
     public void showMessageDialog() {
         final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());

         mSmsResponsesAdapter = new ArrayAdapter<>(builder.getContext(),
                 android.R.layout.simple_list_item_1, android.R.id.text1, mSmsResponses);

         final ListView lv = new ListView(getActivity());
         lv.setAdapter(mSmsResponsesAdapter);
         lv.setOnItemClickListener(new RespondViaSmsItemClickListener());

         builder.setCancelable(true).setView(lv).setOnCancelListener(
                 new DialogInterface.OnCancelListener() {
                     @Override
                     public void onCancel(DialogInterface dialogInterface) {
                         if (mGlowpad != null) {
                             mGlowpad.startPing();
                         }
                         dismissCannedResponsePopup();
                         getPresenter().onDismissDialog();
                     }
                 });
         mCannedResponsePopup = builder.create();
         mCannedResponsePopup.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
         mCannedResponsePopup.show();
     }

     private boolean isCannedResponsePopupShowing() {
         if (mCannedResponsePopup != null) {
             return mCannedResponsePopup.isShowing();
         }
         return false;
     }

     private boolean isCustomMessagePopupShowing() {
         if (mCustomMessagePopup != null) {
             return mCustomMessagePopup.isShowing();
         }
         return false;
     }

     /**
      * Dismiss the canned response list popup.
      *
      * This is safe to call even if the popup is already dismissed, and even if you never called
      * showRespondViaSmsPopup() in the first place.
      */
     private void dismissCannedResponsePopup() {
         if (mCannedResponsePopup != null) {
             mCannedResponsePopup.dismiss();  // safe even if already dismissed
             mCannedResponsePopup = null;
         }
     }

     /**
      * Dismiss the custom compose message popup.
      */
     private void dismissCustomMessagePopup() {
        if (mCustomMessagePopup != null) {
            mCustomMessagePopup.dismiss();
            mCustomMessagePopup = null;
        }
     }

     public void dismissPendingDialogs() {
         if (isCannedResponsePopupShowing()) {
             dismissCannedResponsePopup();
         }

         if (isCustomMessagePopupShowing()) {
             dismissCustomMessagePopup();
         }
     }

     public boolean hasPendingDialogs() {
         return !(mCannedResponsePopup == null && mCustomMessagePopup == null);
     }

     /**
      * Shows the custom message entry dialog.
      */
     public void showCustomMessageDialog() {
         // Create an alert dialog containing an EditText
         final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
         final EditText et = new EditText(builder.getContext());
         builder.setCancelable(true).setView(et)
                 .setPositiveButton(R.string.custom_message_send,
                         new DialogInterface.OnClickListener() {
                     @Override
                     public void onClick(DialogInterface dialog, int which) {
                         // The order is arranged in a way that the popup will be destroyed when the
                         // InCallActivity is about to finish.
                         final String textMessage = et.getText().toString().trim();
                         dismissCustomMessagePopup();
                         getPresenter().rejectCallWithMessage(textMessage);
                     }
                 })
                 .setNegativeButton(R.string.custom_message_cancel,
                         new DialogInterface.OnClickListener() {
                     @Override
                     public void onClick(DialogInterface dialog, int which) {
                         dismissCustomMessagePopup();
                         getPresenter().onDismissDialog();
                     }
                 })
                 .setOnCancelListener(new DialogInterface.OnCancelListener() {
                     @Override
                     public void onCancel(DialogInterface dialogInterface) {
                         dismissCustomMessagePopup();
                         getPresenter().onDismissDialog();
                     }
                 })
                 .setTitle(R.string.respond_via_sms_custom_message);
         mCustomMessagePopup = builder.create();

         // Enable/disable the send button based on whether there is a message in the EditText
         et.addTextChangedListener(new TextWatcher() {
             @Override
             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
             }

             @Override
             public void onTextChanged(CharSequence s, int start, int before, int count) {
             }

             @Override
             public void afterTextChanged(Editable s) {
                 final Button sendButton = mCustomMessagePopup.getButton(
                         DialogInterface.BUTTON_POSITIVE);
                 sendButton.setEnabled(s != null && s.toString().trim().length() != 0);
             }
         });

         // Keyboard up, show the dialog
         mCustomMessagePopup.getWindow().setSoftInputMode(
                 WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
         mCustomMessagePopup.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
         mCustomMessagePopup.show();

         // Send button starts out disabled
         final Button sendButton = mCustomMessagePopup.getButton(DialogInterface.BUTTON_POSITIVE);
         sendButton.setEnabled(false);
     }

     @Override
     public void configureMessageDialog(List<String> textResponses) {
         mSmsResponses.clear();
         mSmsResponses.addAll(textResponses);
         mSmsResponses.add(getResources().getString(
                 R.string.respond_via_sms_custom_message));
         if (mSmsResponsesAdapter != null) {
             mSmsResponsesAdapter.notifyDataSetChanged();
         }
     }

     @Override
     public Context getContext() {
         return getActivity();
     }

     @Override
     public void onAnswer(int videoState, Context context) {
         Log.d(this, "onAnswer videoState=" + videoState + " context=" + context);
         getPresenter().onAnswer(videoState, context);
     }

     @Override
     public void onDecline(Context context) {
         getPresenter().onDecline(context);
     }

     @Override
     public void onDeclineUpgradeRequest(Context context) {
         InCallPresenter.getInstance().declineUpgradeRequest(context);
     }

     @Override
     public void onText() {
         getPresenter().onText();
     }

     /**
      * OnItemClickListener for the "Respond via SMS" popup.
      */
     public class RespondViaSmsItemClickListener implements AdapterView.OnItemClickListener {

         /**
          * Handles the user selecting an item from the popup.
          */
         @Override
         public void onItemClick(AdapterView<?> parent,  // The ListView
                 View view,  // The TextView that was clicked
                 int position, long id) {
             Log.d(this, "RespondViaSmsItemClickListener.onItemClick(" + position + ")...");
             final String message = (String) parent.getItemAtPosition(position);
             Log.v(this, "- message: '" + message + "'");
             dismissCannedResponsePopup();

             // The "Custom" choice is a special case.
             // (For now, it's guaranteed to be the last item.)
             if (position == (parent.getCount() - 1)) {
                 // Show the custom message dialog
                 showCustomMessageDialog();
             } else {
                 getPresenter().rejectCallWithMessage(message);
             }
         }
     }
 }
	/*
	* Copyright (C) 2013 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.app.AlertDialog;
	import android.app.Dialog;
	import android.content.Context;
	import android.content.DialogInterface;
	import android.os.Bundle;
	import android.telecom.VideoProfile;
	import android.text.Editable;
	import android.text.TextWatcher;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import android.view.WindowManager;
	import android.widget.AdapterView;
	import android.widget.ArrayAdapter;
	import android.widget.Button;
	import android.widget.EditText;
	import android.widget.ListView;

	import com.google.common.base.Preconditions;
	import com.google.common.collect.Lists;

	import java.util.ArrayList;
	import java.util.List;

	/**
	*
	*/
	public class AnswerFragment extends BaseFragment<AnswerPresenter, AnswerPresenter.AnswerUi>
	implements GlowPadWrapper.AnswerListener, AnswerPresenter.AnswerUi {

	public static final int TARGET_SET_FOR_AUDIO_WITHOUT_SMS = 0;
	public static final int TARGET_SET_FOR_AUDIO_WITH_SMS = 1;
	public static final int TARGET_SET_FOR_VIDEO_WITHOUT_SMS = 2;
	public static final int TARGET_SET_FOR_VIDEO_WITH_SMS = 3;
	public static final int TARGET_SET_FOR_VIDEO_ACCEPT_REJECT_REQUEST = 4;

	/**
	* The popup showing the list of canned responses.
	*
	* This is an AlertDialog containing a ListView showing the possible choices. This may be null
	* if the InCallScreen hasn't ever called showRespondViaSmsPopup() yet, or if the popup was
	* visible once but then got dismissed.
	*/
	private Dialog mCannedResponsePopup = null;

	/**
	* The popup showing a text field for users to type in their custom message.
	*/
	private AlertDialog mCustomMessagePopup = null;

	private ArrayAdapter<String> mSmsResponsesAdapter;

	private final List<String> mSmsResponses = new ArrayList<>();

	private GlowPadWrapper mGlowpad;

	public AnswerFragment() {
	}

	@Override
	public AnswerPresenter createPresenter() {
	return InCallPresenter.getInstance().getAnswerPresenter();
	}

	@Override
	public AnswerPresenter.AnswerUi getUi() {
	return this;
	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
	Bundle savedInstanceState) {
	mGlowpad = (GlowPadWrapper) inflater.inflate(R.layout.answer_fragment,
	container, false);

	Log.d(this, "Creating view for answer fragment ", this);
	Log.d(this, "Created from activity", getActivity());
	mGlowpad.setAnswerListener(this);

	return mGlowpad;
	}

	@Override
	public void onDestroyView() {
	Log.d(this, "onDestroyView");
	if (mGlowpad != null) {
	mGlowpad.stopPing();
	mGlowpad = null;
	}
	super.onDestroyView();
	}

	@Override
	public void onShowAnswerUi(boolean shown) {
	Log.d(this, "Show answer UI: " + shown);
	if (shown) {
	mGlowpad.startPing();
	} else {
	mGlowpad.stopPing();
	}
	}

	/**
	* Sets targets on the glowpad according to target set identified by the parameter.
	* @param targetSet Integer identifying the set of targets to use.
	*/
	public void showTargets(int targetSet) {
	showTargets(targetSet, VideoProfile.STATE_BIDIRECTIONAL);
	}

	/**
	* Sets targets on the glowpad according to target set identified by the parameter.
	* @param targetSet Integer identifying the set of targets to use.
	*/
	@Override
	public void showTargets(int targetSet, int videoState) {
	final int targetResourceId;
	final int targetDescriptionsResourceId;
	final int directionDescriptionsResourceId;
	final int handleDrawableResourceId;
	mGlowpad.setVideoState(videoState);

	switch (targetSet) {
	case TARGET_SET_FOR_AUDIO_WITH_SMS:
	targetResourceId = R.array.incoming_call_widget_audio_with_sms_targets;
	targetDescriptionsResourceId =
	R.array.incoming_call_widget_audio_with_sms_target_descriptions;
	directionDescriptionsResourceId =
	R.array.incoming_call_widget_audio_with_sms_direction_descriptions;
	handleDrawableResourceId = R.drawable.ic_incall_audio_handle;
	break;
	case TARGET_SET_FOR_VIDEO_WITHOUT_SMS:
	targetResourceId = R.array.incoming_call_widget_video_without_sms_targets;
	targetDescriptionsResourceId =
	R.array.incoming_call_widget_video_without_sms_target_descriptions;
	directionDescriptionsResourceId =
	R.array.incoming_call_widget_video_without_sms_direction_descriptions;
	handleDrawableResourceId = R.drawable.ic_incall_video_handle;
	break;
	case TARGET_SET_FOR_VIDEO_WITH_SMS:
	targetResourceId = R.array.incoming_call_widget_video_with_sms_targets;
	targetDescriptionsResourceId =
	R.array.incoming_call_widget_video_with_sms_target_descriptions;
	directionDescriptionsResourceId =
	R.array.incoming_call_widget_video_with_sms_direction_descriptions;
	handleDrawableResourceId = R.drawable.ic_incall_video_handle;
	break;
	case TARGET_SET_FOR_VIDEO_ACCEPT_REJECT_REQUEST:
	targetResourceId =
	R.array.incoming_call_widget_video_request_targets;
	targetDescriptionsResourceId =
	R.array.incoming_call_widget_video_request_target_descriptions;
	directionDescriptionsResourceId = R.array
	.incoming_call_widget_video_request_target_direction_descriptions;
	handleDrawableResourceId = R.drawable.ic_incall_video_handle;
	break;
	case TARGET_SET_FOR_AUDIO_WITHOUT_SMS:
	default:
	targetResourceId = R.array.incoming_call_widget_audio_without_sms_targets;
	targetDescriptionsResourceId =
	R.array.incoming_call_widget_audio_without_sms_target_descriptions;
	directionDescriptionsResourceId =
	R.array.incoming_call_widget_audio_without_sms_direction_descriptions;
	handleDrawableResourceId = R.drawable.ic_incall_audio_handle;
	break;
	}

	if (targetResourceId != mGlowpad.getTargetResourceId()) {
	mGlowpad.setTargetResources(targetResourceId);
	mGlowpad.setTargetDescriptionsResourceId(targetDescriptionsResourceId);
	mGlowpad.setDirectionDescriptionsResourceId(directionDescriptionsResourceId);
	mGlowpad.setHandleDrawable(handleDrawableResourceId);
	mGlowpad.reset(false);
	}
	}

	@Override
	public void showMessageDialog() {
	final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());

	mSmsResponsesAdapter = new ArrayAdapter<>(builder.getContext(),
	android.R.layout.simple_list_item_1, android.R.id.text1, mSmsResponses);

	final ListView lv = new ListView(getActivity());
	lv.setAdapter(mSmsResponsesAdapter);
	lv.setOnItemClickListener(new RespondViaSmsItemClickListener());

	builder.setCancelable(true).setView(lv).setOnCancelListener(
	new DialogInterface.OnCancelListener() {
	@Override
	public void onCancel(DialogInterface dialogInterface) {
	if (mGlowpad != null) {
	mGlowpad.startPing();
	}
	dismissCannedResponsePopup();
	getPresenter().onDismissDialog();
	}
	});
	mCannedResponsePopup = builder.create();
	mCannedResponsePopup.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
	mCannedResponsePopup.show();
	}

	private boolean isCannedResponsePopupShowing() {
	if (mCannedResponsePopup != null) {
	return mCannedResponsePopup.isShowing();
	}
	return false;
	}

	private boolean isCustomMessagePopupShowing() {
	if (mCustomMessagePopup != null) {
	return mCustomMessagePopup.isShowing();
	}
	return false;
	}

	/**
	* Dismiss the canned response list popup.
	*
	* This is safe to call even if the popup is already dismissed, and even if you never called
	* showRespondViaSmsPopup() in the first place.
	*/
	private void dismissCannedResponsePopup() {
	if (mCannedResponsePopup != null) {
	mCannedResponsePopup.dismiss(); // safe even if already dismissed
	mCannedResponsePopup = null;
	}
	}

	/**
	* Dismiss the custom compose message popup.
	*/
	private void dismissCustomMessagePopup() {
	if (mCustomMessagePopup != null) {
	mCustomMessagePopup.dismiss();
	mCustomMessagePopup = null;
	}
	}

	public void dismissPendingDialogs() {
	if (isCannedResponsePopupShowing()) {
	dismissCannedResponsePopup();
	}

	if (isCustomMessagePopupShowing()) {
	dismissCustomMessagePopup();
	}
	}

	public boolean hasPendingDialogs() {
	return !(mCannedResponsePopup == null && mCustomMessagePopup == null);
	}

	/**
	* Shows the custom message entry dialog.
	*/
	public void showCustomMessageDialog() {
	// Create an alert dialog containing an EditText
	final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
	final EditText et = new EditText(builder.getContext());
	builder.setCancelable(true).setView(et)
	.setPositiveButton(R.string.custom_message_send,
	new DialogInterface.OnClickListener() {
	@Override
	public void onClick(DialogInterface dialog, int which) {
	// The order is arranged in a way that the popup will be destroyed when the
	// InCallActivity is about to finish.
	final String textMessage = et.getText().toString().trim();
	dismissCustomMessagePopup();
	getPresenter().rejectCallWithMessage(textMessage);
	}
	})
	.setNegativeButton(R.string.custom_message_cancel,
	new DialogInterface.OnClickListener() {
	@Override
	public void onClick(DialogInterface dialog, int which) {
	dismissCustomMessagePopup();
	getPresenter().onDismissDialog();
	}
	})
	.setOnCancelListener(new DialogInterface.OnCancelListener() {
	@Override
	public void onCancel(DialogInterface dialogInterface) {
	dismissCustomMessagePopup();
	getPresenter().onDismissDialog();
	}
	})
	.setTitle(R.string.respond_via_sms_custom_message);
	mCustomMessagePopup = builder.create();

	// Enable/disable the send button based on whether there is a message in the EditText
	et.addTextChangedListener(new TextWatcher() {
	@Override
	public void beforeTextChanged(CharSequence s, int start, int count, int after) {
	}

	@Override
	public void onTextChanged(CharSequence s, int start, int before, int count) {
	}

	@Override
	public void afterTextChanged(Editable s) {
	final Button sendButton = mCustomMessagePopup.getButton(
	DialogInterface.BUTTON_POSITIVE);
	sendButton.setEnabled(s != null && s.toString().trim().length() != 0);
	}
	});

	// Keyboard up, show the dialog
	mCustomMessagePopup.getWindow().setSoftInputMode(
	WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
	mCustomMessagePopup.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
	mCustomMessagePopup.show();

	// Send button starts out disabled
	final Button sendButton = mCustomMessagePopup.getButton(DialogInterface.BUTTON_POSITIVE);
	sendButton.setEnabled(false);
	}

	@Override
	public void configureMessageDialog(List<String> textResponses) {
	mSmsResponses.clear();
	mSmsResponses.addAll(textResponses);
	mSmsResponses.add(getResources().getString(
	R.string.respond_via_sms_custom_message));
	if (mSmsResponsesAdapter != null) {
	mSmsResponsesAdapter.notifyDataSetChanged();
	}
	}

	@Override
	public Context getContext() {
	return getActivity();
	}

	@Override
	public void onAnswer(int videoState, Context context) {
	Log.d(this, "onAnswer videoState=" + videoState + " context=" + context);
	getPresenter().onAnswer(videoState, context);
	}

	@Override
	public void onDecline(Context context) {
	getPresenter().onDecline(context);
	}

	@Override
	public void onDeclineUpgradeRequest(Context context) {
	InCallPresenter.getInstance().declineUpgradeRequest(context);
	}

	@Override
	public void onText() {
	getPresenter().onText();
	}

	/**
	* OnItemClickListener for the "Respond via SMS" popup.
	*/
	public class RespondViaSmsItemClickListener implements AdapterView.OnItemClickListener {

	/**
	* Handles the user selecting an item from the popup.
	*/
	@Override
	public void onItemClick(AdapterView<?> parent, // The ListView
	View view, // The TextView that was clicked
	int position, long id) {
	Log.d(this, "RespondViaSmsItemClickListener.onItemClick(" + position + ")...");
	final String message = (String) parent.getItemAtPosition(position);
	Log.v(this, "- message: '" + message + "'");
	dismissCannedResponsePopup();

	// The "Custom" choice is a special case.
	// (For now, it's guaranteed to be the last item.)
	if (position == (parent.getCount() - 1)) {
	// Show the custom message dialog
	showCustomMessageDialog();
	} else {
	getPresenter().rejectCallWithMessage(message);
	}
	}
	}
	}