samples/AutofillKeyboard/src/com/example/android/autofillkeyboard/AutofillImeService.java - platform/development - Git at Google

 /*
  * Copyright (C) 2019 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.example.android.autofillkeyboard;

 import static android.util.TypedValue.COMPLEX_UNIT_DIP;

 import android.graphics.Color;
 import android.graphics.drawable.Icon;
 import android.inputmethodservice.InputMethodService;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
 import android.util.Log;
 import android.util.Size;
 import android.util.TypedValue;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.inputmethod.EditorInfo;
 import android.widget.inline.InlineContentView;
 import android.widget.inline.InlinePresentationSpec;
 import android.view.inputmethod.InlineSuggestion;
 import android.view.inputmethod.InlineSuggestionsRequest;
 import android.view.inputmethod.InlineSuggestionsResponse;
 import android.widget.Toast;

 import androidx.autofill.inline.UiVersions;
 import androidx.autofill.inline.UiVersions.StylesBuilder;
 import androidx.autofill.inline.common.ImageViewStyle;
 import androidx.autofill.inline.common.TextViewStyle;
 import androidx.autofill.inline.common.ViewStyle;
 import androidx.autofill.inline.v1.InlineSuggestionUi;
 import androidx.autofill.inline.v1.InlineSuggestionUi.Style;

 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;

 /** The {@link InputMethodService} implementation for Autofill keyboard. */
 public class AutofillImeService extends InputMethodService {
     private static final boolean SHOWCASE_BG_FG_TRANSITION = false;
     // To test this you need to change KeyboardArea style layout_height to 400dp
     private static final boolean SHOWCASE_UP_DOWN_TRANSITION = false;

     private static final long MOVE_SUGGESTIONS_TO_BG_TIMEOUT = 5000;
     private static final long MOVE_SUGGESTIONS_TO_FG_TIMEOUT = 15000;

     private static final long MOVE_SUGGESTIONS_UP_TIMEOUT = 5000;
     private static final long MOVE_SUGGESTIONS_DOWN_TIMEOUT = 10000;

     private InputView mInputView;
     private Keyboard mKeyboard;
     private Decoder mDecoder;

     private ViewGroup mSuggestionStrip;
     private ViewGroup mPinnedSuggestionsStart;
     private ViewGroup mPinnedSuggestionsEnd;
     private InlineContentClipView mScrollableSuggestionsClip;
     private ViewGroup mScrollableSuggestions;

     private final Handler mHandler = new Handler(Looper.getMainLooper());

     private final Runnable mMoveScrollableSuggestionsToBg = () -> {
         mScrollableSuggestionsClip.setZOrderedOnTop(false);
         Toast.makeText(AutofillImeService.this, "Chips moved to bg - not clickable",
                 Toast.LENGTH_SHORT).show();
     };

     private final Runnable mMoveScrollableSuggestionsToFg = () -> {
         mScrollableSuggestionsClip.setZOrderedOnTop(true);
         Toast.makeText(AutofillImeService.this, "Chips moved to fg - clickable",
                 Toast.LENGTH_SHORT).show();
     };

     private final Runnable mMoveScrollableSuggestionsUp = () -> {
         mSuggestionStrip.animate().translationY(-50).setDuration(500).start();
         Toast.makeText(AutofillImeService.this, "Animating up",
                 Toast.LENGTH_SHORT).show();
     };

     private final Runnable mMoveScrollableSuggestionsDown = () -> {
         mSuggestionStrip.animate().translationY(0).setDuration(500).start();
         Toast.makeText(AutofillImeService.this, "Animating down",
                 Toast.LENGTH_SHORT).show();
     };

     private ResponseState mResponseState = ResponseState.RESET;
     private Runnable mDelayedDeletion;

     @Override
     public View onCreateInputView() {
         mInputView = (InputView) LayoutInflater.from(this).inflate(R.layout.input_view, null);
         mKeyboard = Keyboard.qwerty(this);
         mInputView.addView(mKeyboard.inflateKeyboardView(LayoutInflater.from(this), mInputView));
         mSuggestionStrip = mInputView.findViewById(R.id.suggestion_strip);
         mPinnedSuggestionsStart = mInputView.findViewById(R.id.pinned_suggestions_start);
         mPinnedSuggestionsEnd = mInputView.findViewById(R.id.pinned_suggestions_end);
         mScrollableSuggestionsClip = mInputView.findViewById(R.id.scrollable_suggestions_clip);
         mScrollableSuggestions = mInputView.findViewById(R.id.scrollable_suggestions);
         return mInputView;
     }

     @Override
     public void onStartInput(EditorInfo attribute, boolean restarting) {
         super.onStartInput(attribute, restarting);
         mDecoder = new Decoder(getCurrentInputConnection());
         if(mKeyboard != null) {
             mKeyboard.reset();
         }
         if (mResponseState == ResponseState.FINISH_INPUT) {
             mResponseState = ResponseState.START_INPUT;
         } else {
             mResponseState = ResponseState.RESET;
         }
     }

     @Override
     public void onFinishInput() {
         super.onFinishInput();
         if (mResponseState == ResponseState.RECEIVE_RESPONSE) {
             mResponseState = ResponseState.FINISH_INPUT;
         } else {
             mResponseState = ResponseState.RESET;
         }
     }

     private void cancelDelayedDeletion(String msg) {
         if(mDelayedDeletion != null) {
             Log.d(TAG, msg + " canceling delayed deletion");
             mHandler.removeCallbacks(mDelayedDeletion);
             mDelayedDeletion = null;
         }
     }

     private void scheduleDelayedDeletion() {
         if (mInputView != null && mDelayedDeletion == null) {
             // We delay the deletion of the suggestions from previous input connection, to avoid
             // the flicker caused by deleting them and immediately showing new suggestions for
             // the current input connection.
             Log.d(TAG, "Scheduling a delayed deletion of inline suggestions");
             mDelayedDeletion = () -> {
                 Log.d(TAG, "Executing scheduled deleting inline suggestions");
                 mDelayedDeletion = null;
                 clearInlineSuggestionStrip();
             };
             mHandler.postDelayed(mDelayedDeletion, 200);
         }
     }

     private void clearInlineSuggestionStrip() {
         if (mInputView != null) {
             updateInlineSuggestionStrip(Collections.emptyList());
         }
     }

     @Override
     public void onStartInputView(EditorInfo info, boolean restarting) {
         super.onStartInputView(info, restarting);
     }

     @Override
     public void onFinishInputView(boolean finishingInput) {
         super.onFinishInputView(finishingInput);
         if (!finishingInput) {
             // This runs when the IME is hide (but not finished). We need to clear the suggestions.
             // Otherwise, they will stay on the screen for a bit after the IME window disappears.
             // TODO: right now the framework resends the suggestions when onStartInputView is
             // called. If the framework is changed to not resend, then we need to cache the
             // inline suggestion views locally and re-attach them when the IME is shown again by
             // onStartInputView.
             clearInlineSuggestionStrip();
         }
     }

     @Override
     public void onComputeInsets(Insets outInsets) {
         super.onComputeInsets(outInsets);
         if (mInputView != null) {
             outInsets.contentTopInsets += mInputView.getTopInsets();
         }
         outInsets.touchableInsets = Insets.TOUCHABLE_INSETS_CONTENT;
     }

     /*****************    Inline Suggestions Demo Code   *****************/

     private static final String TAG = "AutofillImeService";

     @Override
     public InlineSuggestionsRequest onCreateInlineSuggestionsRequest(Bundle uiExtras) {
         Log.d(TAG, "onCreateInlineSuggestionsRequest() called");
         StylesBuilder stylesBuilder = UiVersions.newStylesBuilder();
         Style style = InlineSuggestionUi.newStyleBuilder()
                 .setSingleIconChipStyle(
                         new ViewStyle.Builder()
                                 .setBackground(
                                         Icon.createWithResource(this, R.drawable.chip_background))
                                 .setPadding(0, 0, 0, 0)
                                 .build())
                 .setChipStyle(
                         new ViewStyle.Builder()
                                 .setBackground(
                                         Icon.createWithResource(this, R.drawable.chip_background))
                                 .setPadding(toPixel(5 + 8), 0, toPixel(5 + 8), 0)
                                 .build())
                 .setStartIconStyle(new ImageViewStyle.Builder().setLayoutMargin(0, 0, 0, 0).build())
                 .setTitleStyle(
                         new TextViewStyle.Builder()
                                 .setLayoutMargin(toPixel(4), 0, toPixel(4), 0)
                                 .setTextColor(Color.parseColor("#FF202124"))
                                 .setTextSize(16)
                                 .build())
                 .setSubtitleStyle(
                         new TextViewStyle.Builder()
                                 .setLayoutMargin(0, 0, toPixel(4), 0)
                                 .setTextColor(Color.parseColor("#99202124")) // 60% opacity
                                 .setTextSize(14)
                                 .build())
                 .setEndIconStyle(new ImageViewStyle.Builder().setLayoutMargin(0, 0, 0, 0).build())
                 .build();
         stylesBuilder.addStyle(style);
         Bundle stylesBundle = stylesBuilder.build();

         final ArrayList<InlinePresentationSpec> presentationSpecs = new ArrayList<>();
         presentationSpecs.add(new InlinePresentationSpec.Builder(new Size(100, getHeight()),
                 new Size(740, getHeight())).setStyle(stylesBundle).build());
         presentationSpecs.add(new InlinePresentationSpec.Builder(new Size(100, getHeight()),
                 new Size(740, getHeight())).setStyle(stylesBundle).build());

         return new InlineSuggestionsRequest.Builder(presentationSpecs)
                 .setMaxSuggestionCount(6)
                 .build();
     }

     private int toPixel(int dp) {
         return (int) TypedValue.applyDimension(COMPLEX_UNIT_DIP, dp,
                 getResources().getDisplayMetrics());
     }

     private int getHeight() {
         return getResources().getDimensionPixelSize(R.dimen.keyboard_header_height);
     }

     @Override
     public boolean onInlineSuggestionsResponse(InlineSuggestionsResponse response) {
         Log.d(TAG,
                 "onInlineSuggestionsResponse() called: " + response.getInlineSuggestions().size());
         cancelDelayedDeletion("onInlineSuggestionsResponse");
         final List<InlineSuggestion> inlineSuggestions = response.getInlineSuggestions();
         mResponseState = ResponseState.RECEIVE_RESPONSE;
         mHandler.post(() -> {
             if (mResponseState == ResponseState.START_INPUT && inlineSuggestions.isEmpty()) {
                 scheduleDelayedDeletion();
             } else {
                 inflateThenShowSuggestions(inlineSuggestions);
             }
             mResponseState = ResponseState.RESET;
         });
         return true;
     }

     private void updateInlineSuggestionStrip(List<SuggestionItem> suggestionItems) {
         Log.d(TAG, "Actually updating the suggestion strip: " + suggestionItems.size());
         mPinnedSuggestionsStart.removeAllViews();
         mScrollableSuggestions.removeAllViews();
         mPinnedSuggestionsEnd.removeAllViews();

         if (suggestionItems.isEmpty()) {
             return;
         }

         // TODO: refactor me
         mScrollableSuggestionsClip.setBackgroundColor(
                 getColor(R.color.suggestion_strip_background));
         mSuggestionStrip.setVisibility(View.VISIBLE);

         for (SuggestionItem suggestionItem : suggestionItems) {
             if (suggestionItem == null) {
                 continue;
             }
             final InlineContentView suggestionView = suggestionItem.mView;
             if (suggestionItem.mIsPinned) {
                 if (mPinnedSuggestionsStart.getChildCount() <= 0) {
                     mPinnedSuggestionsStart.addView(suggestionView);
                 } else   {
                     mPinnedSuggestionsEnd.addView(suggestionView);
                 }
             } else {
                 mScrollableSuggestions.addView(suggestionView);
             }
         }

         if (SHOWCASE_BG_FG_TRANSITION) {
             rescheduleShowcaseBgFgTransitions();
         }
         if (SHOWCASE_UP_DOWN_TRANSITION) {
             rescheduleShowcaseUpDownTransitions();
         }
     }

     private void rescheduleShowcaseBgFgTransitions() {
         final Handler handler = mInputView.getHandler();
         handler.removeCallbacks(mMoveScrollableSuggestionsToBg);
         handler.postDelayed(mMoveScrollableSuggestionsToBg, MOVE_SUGGESTIONS_TO_BG_TIMEOUT);
         handler.removeCallbacks(mMoveScrollableSuggestionsToFg);
         handler.postDelayed(mMoveScrollableSuggestionsToFg, MOVE_SUGGESTIONS_TO_FG_TIMEOUT);
     }

     private void rescheduleShowcaseUpDownTransitions() {
         final Handler handler = mInputView.getHandler();
         handler.removeCallbacks(mMoveScrollableSuggestionsUp);
         handler.postDelayed(mMoveScrollableSuggestionsUp, MOVE_SUGGESTIONS_UP_TIMEOUT);
         handler.removeCallbacks(mMoveScrollableSuggestionsDown);
         handler.postDelayed(mMoveScrollableSuggestionsDown, MOVE_SUGGESTIONS_DOWN_TIMEOUT);
     }

     private void inflateThenShowSuggestions( List<InlineSuggestion> inlineSuggestions) {
         final int totalSuggestionsCount = inlineSuggestions.size();
         final Map<Integer, SuggestionItem> suggestionMap = Collections.synchronizedMap((
                 new TreeMap<>()));
         final ExecutorService executor = Executors.newSingleThreadExecutor();

         for (int i = 0; i < totalSuggestionsCount; i++) {
             final int index = i;
             final InlineSuggestion inlineSuggestion = inlineSuggestions.get(i);
             final Size size = new Size(ViewGroup.LayoutParams.WRAP_CONTENT,
                     ViewGroup.LayoutParams.WRAP_CONTENT);

             inlineSuggestion.inflate(this, size, executor, suggestionView -> {
                 Log.d(TAG, "new inline suggestion view ready");
                 if(suggestionView != null) {
                     suggestionView.setOnClickListener((v) -> {
                         Log.d(TAG, "Received click on the suggestion");
                     });
                     suggestionView.setOnLongClickListener((v) -> {
                         Log.d(TAG, "Received long click on the suggestion");
                         return true;
                     });
                     final SuggestionItem suggestionItem = new SuggestionItem(
                             suggestionView, /*isAction*/ inlineSuggestion.getInfo().isPinned());
                     suggestionMap.put(index, suggestionItem);
                 } else {
                     suggestionMap.put(index, null);
                 }

                 // Update the UI once the last inflation completed
                 if (suggestionMap.size() >= totalSuggestionsCount) {
                     final ArrayList<SuggestionItem> suggestionItems = new ArrayList<>(
                             suggestionMap.values());
                     getMainExecutor().execute(() -> updateInlineSuggestionStrip(suggestionItems));
                 }
             });
         }
     }

     void handle(String data) {
         Log.d(TAG, "handle() called: [" + data + "]");
         mDecoder.decodeAndApply(data);
     }

     static class SuggestionItem {
         final InlineContentView mView;
         final boolean mIsPinned;

         SuggestionItem(InlineContentView view, boolean isPinned) {
             mView = view;
             mIsPinned = isPinned;
         }
     }

     enum ResponseState {
         RESET,
         RECEIVE_RESPONSE,
         FINISH_INPUT,
         START_INPUT,
     }
 }
	/*
	* Copyright (C) 2019 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.example.android.autofillkeyboard;

	import static android.util.TypedValue.COMPLEX_UNIT_DIP;

	import android.graphics.Color;
	import android.graphics.drawable.Icon;
	import android.inputmethodservice.InputMethodService;
	import android.os.Bundle;
	import android.os.Handler;
	import android.os.Looper;
	import android.util.Log;
	import android.util.Size;
	import android.util.TypedValue;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import android.view.inputmethod.EditorInfo;
	import android.widget.inline.InlineContentView;
	import android.widget.inline.InlinePresentationSpec;
	import android.view.inputmethod.InlineSuggestion;
	import android.view.inputmethod.InlineSuggestionsRequest;
	import android.view.inputmethod.InlineSuggestionsResponse;
	import android.widget.Toast;

	import androidx.autofill.inline.UiVersions;
	import androidx.autofill.inline.UiVersions.StylesBuilder;
	import androidx.autofill.inline.common.ImageViewStyle;
	import androidx.autofill.inline.common.TextViewStyle;
	import androidx.autofill.inline.common.ViewStyle;
	import androidx.autofill.inline.v1.InlineSuggestionUi;
	import androidx.autofill.inline.v1.InlineSuggestionUi.Style;

	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.List;
	import java.util.Map;
	import java.util.TreeMap;
	import java.util.concurrent.ExecutorService;
	import java.util.concurrent.Executors;

	/** The {@link InputMethodService} implementation for Autofill keyboard. */
	public class AutofillImeService extends InputMethodService {
	private static final boolean SHOWCASE_BG_FG_TRANSITION = false;
	// To test this you need to change KeyboardArea style layout_height to 400dp
	private static final boolean SHOWCASE_UP_DOWN_TRANSITION = false;

	private static final long MOVE_SUGGESTIONS_TO_BG_TIMEOUT = 5000;
	private static final long MOVE_SUGGESTIONS_TO_FG_TIMEOUT = 15000;

	private static final long MOVE_SUGGESTIONS_UP_TIMEOUT = 5000;
	private static final long MOVE_SUGGESTIONS_DOWN_TIMEOUT = 10000;

	private InputView mInputView;
	private Keyboard mKeyboard;
	private Decoder mDecoder;

	private ViewGroup mSuggestionStrip;
	private ViewGroup mPinnedSuggestionsStart;
	private ViewGroup mPinnedSuggestionsEnd;
	private InlineContentClipView mScrollableSuggestionsClip;
	private ViewGroup mScrollableSuggestions;

	private final Handler mHandler = new Handler(Looper.getMainLooper());

	private final Runnable mMoveScrollableSuggestionsToBg = () -> {
	mScrollableSuggestionsClip.setZOrderedOnTop(false);
	Toast.makeText(AutofillImeService.this, "Chips moved to bg - not clickable",
	Toast.LENGTH_SHORT).show();
	};

	private final Runnable mMoveScrollableSuggestionsToFg = () -> {
	mScrollableSuggestionsClip.setZOrderedOnTop(true);
	Toast.makeText(AutofillImeService.this, "Chips moved to fg - clickable",
	Toast.LENGTH_SHORT).show();
	};

	private final Runnable mMoveScrollableSuggestionsUp = () -> {
	mSuggestionStrip.animate().translationY(-50).setDuration(500).start();
	Toast.makeText(AutofillImeService.this, "Animating up",
	Toast.LENGTH_SHORT).show();
	};

	private final Runnable mMoveScrollableSuggestionsDown = () -> {
	mSuggestionStrip.animate().translationY(0).setDuration(500).start();
	Toast.makeText(AutofillImeService.this, "Animating down",
	Toast.LENGTH_SHORT).show();
	};

	private ResponseState mResponseState = ResponseState.RESET;
	private Runnable mDelayedDeletion;

	@Override
	public View onCreateInputView() {
	mInputView = (InputView) LayoutInflater.from(this).inflate(R.layout.input_view, null);
	mKeyboard = Keyboard.qwerty(this);
	mInputView.addView(mKeyboard.inflateKeyboardView(LayoutInflater.from(this), mInputView));
	mSuggestionStrip = mInputView.findViewById(R.id.suggestion_strip);
	mPinnedSuggestionsStart = mInputView.findViewById(R.id.pinned_suggestions_start);
	mPinnedSuggestionsEnd = mInputView.findViewById(R.id.pinned_suggestions_end);
	mScrollableSuggestionsClip = mInputView.findViewById(R.id.scrollable_suggestions_clip);
	mScrollableSuggestions = mInputView.findViewById(R.id.scrollable_suggestions);
	return mInputView;
	}

	@Override
	public void onStartInput(EditorInfo attribute, boolean restarting) {
	super.onStartInput(attribute, restarting);
	mDecoder = new Decoder(getCurrentInputConnection());
	if(mKeyboard != null) {
	mKeyboard.reset();
	}
	if (mResponseState == ResponseState.FINISH_INPUT) {
	mResponseState = ResponseState.START_INPUT;
	} else {
	mResponseState = ResponseState.RESET;
	}
	}

	@Override
	public void onFinishInput() {
	super.onFinishInput();
	if (mResponseState == ResponseState.RECEIVE_RESPONSE) {
	mResponseState = ResponseState.FINISH_INPUT;
	} else {
	mResponseState = ResponseState.RESET;
	}
	}

	private void cancelDelayedDeletion(String msg) {
	if(mDelayedDeletion != null) {
	Log.d(TAG, msg + " canceling delayed deletion");
	mHandler.removeCallbacks(mDelayedDeletion);
	mDelayedDeletion = null;
	}
	}

	private void scheduleDelayedDeletion() {
	if (mInputView != null && mDelayedDeletion == null) {
	// We delay the deletion of the suggestions from previous input connection, to avoid
	// the flicker caused by deleting them and immediately showing new suggestions for
	// the current input connection.
	Log.d(TAG, "Scheduling a delayed deletion of inline suggestions");
	mDelayedDeletion = () -> {
	Log.d(TAG, "Executing scheduled deleting inline suggestions");
	mDelayedDeletion = null;
	clearInlineSuggestionStrip();
	};
	mHandler.postDelayed(mDelayedDeletion, 200);
	}
	}

	private void clearInlineSuggestionStrip() {
	if (mInputView != null) {
	updateInlineSuggestionStrip(Collections.emptyList());
	}
	}

	@Override
	public void onStartInputView(EditorInfo info, boolean restarting) {
	super.onStartInputView(info, restarting);
	}

	@Override
	public void onFinishInputView(boolean finishingInput) {
	super.onFinishInputView(finishingInput);
	if (!finishingInput) {
	// This runs when the IME is hide (but not finished). We need to clear the suggestions.
	// Otherwise, they will stay on the screen for a bit after the IME window disappears.
	// TODO: right now the framework resends the suggestions when onStartInputView is
	// called. If the framework is changed to not resend, then we need to cache the
	// inline suggestion views locally and re-attach them when the IME is shown again by
	// onStartInputView.
	clearInlineSuggestionStrip();
	}
	}

	@Override
	public void onComputeInsets(Insets outInsets) {
	super.onComputeInsets(outInsets);
	if (mInputView != null) {
	outInsets.contentTopInsets += mInputView.getTopInsets();
	}
	outInsets.touchableInsets = Insets.TOUCHABLE_INSETS_CONTENT;
	}

	/*************** Inline Suggestions Demo Code ***************/

	private static final String TAG = "AutofillImeService";

	@Override
	public InlineSuggestionsRequest onCreateInlineSuggestionsRequest(Bundle uiExtras) {
	Log.d(TAG, "onCreateInlineSuggestionsRequest() called");
	StylesBuilder stylesBuilder = UiVersions.newStylesBuilder();
	Style style = InlineSuggestionUi.newStyleBuilder()
	.setSingleIconChipStyle(
	new ViewStyle.Builder()
	.setBackground(
	Icon.createWithResource(this, R.drawable.chip_background))
	.setPadding(0, 0, 0, 0)
	.build())
	.setChipStyle(
	new ViewStyle.Builder()
	.setBackground(
	Icon.createWithResource(this, R.drawable.chip_background))
	.setPadding(toPixel(5 + 8), 0, toPixel(5 + 8), 0)
	.build())
	.setStartIconStyle(new ImageViewStyle.Builder().setLayoutMargin(0, 0, 0, 0).build())
	.setTitleStyle(
	new TextViewStyle.Builder()
	.setLayoutMargin(toPixel(4), 0, toPixel(4), 0)
	.setTextColor(Color.parseColor("#FF202124"))
	.setTextSize(16)
	.build())
	.setSubtitleStyle(
	new TextViewStyle.Builder()
	.setLayoutMargin(0, 0, toPixel(4), 0)
	.setTextColor(Color.parseColor("#99202124")) // 60% opacity
	.setTextSize(14)
	.build())
	.setEndIconStyle(new ImageViewStyle.Builder().setLayoutMargin(0, 0, 0, 0).build())
	.build();
	stylesBuilder.addStyle(style);
	Bundle stylesBundle = stylesBuilder.build();

	final ArrayList<InlinePresentationSpec> presentationSpecs = new ArrayList<>();
	presentationSpecs.add(new InlinePresentationSpec.Builder(new Size(100, getHeight()),
	new Size(740, getHeight())).setStyle(stylesBundle).build());
	presentationSpecs.add(new InlinePresentationSpec.Builder(new Size(100, getHeight()),
	new Size(740, getHeight())).setStyle(stylesBundle).build());

	return new InlineSuggestionsRequest.Builder(presentationSpecs)
	.setMaxSuggestionCount(6)
	.build();
	}

	private int toPixel(int dp) {
	return (int) TypedValue.applyDimension(COMPLEX_UNIT_DIP, dp,
	getResources().getDisplayMetrics());
	}

	private int getHeight() {
	return getResources().getDimensionPixelSize(R.dimen.keyboard_header_height);
	}

	@Override
	public boolean onInlineSuggestionsResponse(InlineSuggestionsResponse response) {
	Log.d(TAG,
	"onInlineSuggestionsResponse() called: " + response.getInlineSuggestions().size());
	cancelDelayedDeletion("onInlineSuggestionsResponse");
	final List<InlineSuggestion> inlineSuggestions = response.getInlineSuggestions();
	mResponseState = ResponseState.RECEIVE_RESPONSE;
	mHandler.post(() -> {
	if (mResponseState == ResponseState.START_INPUT && inlineSuggestions.isEmpty()) {
	scheduleDelayedDeletion();
	} else {
	inflateThenShowSuggestions(inlineSuggestions);
	}
	mResponseState = ResponseState.RESET;
	});
	return true;
	}

	private void updateInlineSuggestionStrip(List<SuggestionItem> suggestionItems) {
	Log.d(TAG, "Actually updating the suggestion strip: " + suggestionItems.size());
	mPinnedSuggestionsStart.removeAllViews();
	mScrollableSuggestions.removeAllViews();
	mPinnedSuggestionsEnd.removeAllViews();

	if (suggestionItems.isEmpty()) {
	return;
	}

	// TODO: refactor me
	mScrollableSuggestionsClip.setBackgroundColor(
	getColor(R.color.suggestion_strip_background));
	mSuggestionStrip.setVisibility(View.VISIBLE);

	for (SuggestionItem suggestionItem : suggestionItems) {
	if (suggestionItem == null) {
	continue;
	}
	final InlineContentView suggestionView = suggestionItem.mView;
	if (suggestionItem.mIsPinned) {
	if (mPinnedSuggestionsStart.getChildCount() <= 0) {
	mPinnedSuggestionsStart.addView(suggestionView);
	} else {
	mPinnedSuggestionsEnd.addView(suggestionView);
	}
	} else {
	mScrollableSuggestions.addView(suggestionView);
	}
	}

	if (SHOWCASE_BG_FG_TRANSITION) {
	rescheduleShowcaseBgFgTransitions();
	}
	if (SHOWCASE_UP_DOWN_TRANSITION) {
	rescheduleShowcaseUpDownTransitions();
	}
	}

	private void rescheduleShowcaseBgFgTransitions() {
	final Handler handler = mInputView.getHandler();
	handler.removeCallbacks(mMoveScrollableSuggestionsToBg);
	handler.postDelayed(mMoveScrollableSuggestionsToBg, MOVE_SUGGESTIONS_TO_BG_TIMEOUT);
	handler.removeCallbacks(mMoveScrollableSuggestionsToFg);
	handler.postDelayed(mMoveScrollableSuggestionsToFg, MOVE_SUGGESTIONS_TO_FG_TIMEOUT);
	}

	private void rescheduleShowcaseUpDownTransitions() {
	final Handler handler = mInputView.getHandler();
	handler.removeCallbacks(mMoveScrollableSuggestionsUp);
	handler.postDelayed(mMoveScrollableSuggestionsUp, MOVE_SUGGESTIONS_UP_TIMEOUT);
	handler.removeCallbacks(mMoveScrollableSuggestionsDown);
	handler.postDelayed(mMoveScrollableSuggestionsDown, MOVE_SUGGESTIONS_DOWN_TIMEOUT);
	}

	private void inflateThenShowSuggestions( List<InlineSuggestion> inlineSuggestions) {
	final int totalSuggestionsCount = inlineSuggestions.size();
	final Map<Integer, SuggestionItem> suggestionMap = Collections.synchronizedMap((
	new TreeMap<>()));
	final ExecutorService executor = Executors.newSingleThreadExecutor();

	for (int i = 0; i < totalSuggestionsCount; i++) {
	final int index = i;
	final InlineSuggestion inlineSuggestion = inlineSuggestions.get(i);
	final Size size = new Size(ViewGroup.LayoutParams.WRAP_CONTENT,
	ViewGroup.LayoutParams.WRAP_CONTENT);

	inlineSuggestion.inflate(this, size, executor, suggestionView -> {
	Log.d(TAG, "new inline suggestion view ready");
	if(suggestionView != null) {
	suggestionView.setOnClickListener((v) -> {
	Log.d(TAG, "Received click on the suggestion");
	});
	suggestionView.setOnLongClickListener((v) -> {
	Log.d(TAG, "Received long click on the suggestion");
	return true;
	});
	final SuggestionItem suggestionItem = new SuggestionItem(
	suggestionView, /isAction/ inlineSuggestion.getInfo().isPinned());
	suggestionMap.put(index, suggestionItem);
	} else {
	suggestionMap.put(index, null);
	}

	// Update the UI once the last inflation completed
	if (suggestionMap.size() >= totalSuggestionsCount) {
	final ArrayList<SuggestionItem> suggestionItems = new ArrayList<>(
	suggestionMap.values());
	getMainExecutor().execute(() -> updateInlineSuggestionStrip(suggestionItems));
	}
	});
	}
	}

	void handle(String data) {
	Log.d(TAG, "handle() called: [" + data + "]");
	mDecoder.decodeAndApply(data);
	}

	static class SuggestionItem {
	final InlineContentView mView;
	final boolean mIsPinned;

	SuggestionItem(InlineContentView view, boolean isPinned) {
	mView = view;
	mIsPinned = isPinned;
	}
	}

	enum ResponseState {
	RESET,
	RECEIVE_RESPONSE,
	FINISH_INPUT,
	START_INPUT,
	}
	}