Java Code Examples for android.view.View#setOnKeyListener()

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = super.onCreateView(inflater, container, savedInstanceState);

    closeBtn.setOnClickListener(this);

    view.setFocusableInTouchMode(true);
    view.requestFocus();
    view.setOnKeyListener(new View.OnKeyListener() {
        @Override
        public boolean onKey(View v, int keyCode, KeyEvent event) {
            if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_UP) {
                doClose();
                return true;
            } else {
                return false;
            }
        }
    });

    return view;
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = super.onCreateView(inflater, container, savedInstanceState);

    closeBtn.setOnClickListener(this);
    if(doneBtn != null) {
        doneBtn.setOnClickListener(this);
    }

    view.setFocusableInTouchMode(true);
    view.requestFocus();
    view.setOnKeyListener(new View.OnKeyListener() {
        @Override
        public boolean onKey(View v, int keyCode, KeyEvent event) {
            if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_UP) {
                doClose();
                return true;
            } else {
                return false;
            }
        }
    });

    return view;
}
 

@Override
protected void onBindDialogView(View view) {
    super.onBindDialogView(view);

    final SeekBar seekBar = (SeekBar) view.findViewById(R.id.seekbar);
    mSeekBarVolumizer = new SeekBarVolumizer(getContext(), mStreamType, null, this);
    mSeekBarVolumizer.start();
    mSeekBarVolumizer.setSeekBar(seekBar);

    getPreferenceManager().registerOnActivityStopListener(this);

    // grab focus and key events so that pressing the volume buttons in the
    // dialog doesn't also show the normal volume adjust toast.
    view.setOnKeyListener(this);
    view.setFocusableInTouchMode(true);
    view.requestFocus();
}
 

public void setKeyBackCancelable(boolean isCancelable) {

        ViewGroup View;
        if (isDialog()) {
            View = dialogView;
        } else {
            View = rootView;
        }

        View.setFocusable(isCancelable);
        View.setFocusableInTouchMode(isCancelable);
        if (isCancelable) {
            View.setOnKeyListener(onKeyBackListener);
        } else {
            View.setOnKeyListener(null);
        }
    }
 

public void setKeyBackCancelable(boolean isCancelable) {

        ViewGroup View;
        if (isDialog()) {
            View = dialogView;
        } else {
            View = rootView;
        }

        View.setFocusable(isCancelable);
        View.setFocusableInTouchMode(isCancelable);
        if (isCancelable) {
            View.setOnKeyListener(onKeyBackListener);
        } else {
            View.setOnKeyListener(null);
        }
    }
 

public void setKeyBackCancelable(boolean isCancelable) {

        ViewGroup View;
        if (isDialog()) {
            View = dialogView;
        } else {
            View = rootView;
        }

        View.setFocusable(isCancelable);
        View.setFocusableInTouchMode(isCancelable);
        if (isCancelable) {
            View.setOnKeyListener(onKeyBackListener);
        } else {
            View.setOnKeyListener(null);
        }
    }
 

@Override public void onChildViewAttachedToWindow(View view) {
  if (mOnItemClickListener != null) {
    view.setOnClickListener(mOnClickListener);
  }
  if (mOnItemLongClickListener != null) {
    view.setOnLongClickListener(mOnLongClickListener);
  }
  if (mOnItemTouchListener != null) {
    view.setOnTouchListener(mOnTouchListener);
  }
  if (mOnItemFocusChangeListener != null) {
    view.setOnFocusChangeListener(mOnFocusChangeListener);
  }
  if (mOnItemKeyListener != null) {
    view.setOnKeyListener(mOnKeyListener);
  }
}
 

@Override
public void onResume() {
    super.onResume();
    final View rootview = getView();
    if(rootview != null){
        rootview.setFocusableInTouchMode(true);
        rootview.requestFocus();
        //注册Listenner
        rootview.setOnKeyListener(this);
    }
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
	View view = inflater.inflate(R.layout.list_with_empty_view_and_progressbar, container, false);
	
	progressBar = (ProgressBar) view.findViewById(R.id.progressbar);

	view.setFocusableInTouchMode(true);
	view.requestFocus();
	view.setOnKeyListener(new View.OnKeyListener() {
		@Override
		public boolean onKey(View v, int keyCode, KeyEvent event)
		{
			if (event.getAction() == KeyEvent.ACTION_UP && keyCode == KeyEvent.KEYCODE_BACK)
			{
				if (currentTree != mapsTree)
				{
					currentTree = currentTree.parent;
					adapter.notifyDataSetChanged();
					return true;
				}
			}
			return false;
		}
	});

	return view;
}
 

public InputImpl(mudclient mudclient, View view) {
    this.mudclient = mudclient;
    this.view = view;
    gestureDetector = new GestureDetector(view.getContext(), this);

    view.setOnTouchListener(this);
    view.setOnKeyListener(this);
}
 

private void setUpBackPresses(View view) {
    view.setFocusableInTouchMode(true);
    view.requestFocus();
    view.setOnKeyListener(new View.OnKeyListener() {
        @Override
        public boolean onKey(View v, int keyCode, KeyEvent event) {
            if (event.getAction() == KeyEvent.ACTION_UP && keyCode == KeyEvent.KEYCODE_BACK) {
                // handle back button's click listener
                presenter.handleBackPress();
                return true;
            }
            return false;
        }
    });
}
 

ViewHolder(View itemView) {
    super(itemView);
    mPaymentTypeIdTextView = itemView.findViewById(R.id.mpsdkPaymentTypeTextView);
    itemView.setOnKeyListener(new View.OnKeyListener() {
        @Override
        public boolean onKey(View v, int keyCode, KeyEvent event) {
            if (event != null && event.getAction() == KeyEvent.ACTION_DOWN
                && event.getKeyCode() == KeyEvent.KEYCODE_DPAD_CENTER) {
                mCallback.onSelected(getLayoutPosition());
                return true;
            }
            return false;
        }
    });
}
 

private void initOnBackPressed(View rootView) {
  rootView.setOnKeyListener((v, keyCode, event) -> {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
      if (emojiPanel.isEmojiAttached()) {
        emojiPanel.dissmissEmojiPopup();
        return true;
      } else {
        return false;
      }
    }
    return false;
  });
}
 

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.player_activity);
    View root = findViewById(R.id.root);
    root.setOnTouchListener(new OnTouchListener() {
        @Override
        public boolean onTouch(View view, MotionEvent motionEvent) {
            if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
                toggleControlsVisibility();
            } else if (motionEvent.getAction() == MotionEvent.ACTION_UP) {
                view.performClick();
            }
            return true;
        }
    });
    root.setOnKeyListener(new OnKeyListener() {
        @Override
        public boolean onKey(View v, int keyCode, KeyEvent event) {
            if (keyCode == KeyEvent.KEYCODE_BACK || keyCode == KeyEvent.KEYCODE_ESCAPE
                    || keyCode == KeyEvent.KEYCODE_MENU) {
                return false;
            }
            return mediaController.dispatchKeyEvent(event);
        }
    });

    shutterView = findViewById(R.id.shutter);
    debugRootView = findViewById(R.id.controls_root);

    videoFrame = (AspectRatioFrameLayout) findViewById(R.id.video_frame);
    surfaceView = (SurfaceView) findViewById(R.id.surface_view);
    surfaceView.getHolder().addCallback(this);
    debugTextView = (TextView) findViewById(R.id.debug_text_view);

    playerStateTextView = (TextView) findViewById(R.id.player_state_view);
    subtitleLayout = (SubtitleLayout) findViewById(R.id.subtitles);

    mediaController = new KeyCompatibleMediaController(this);
    mediaController.setAnchorView(root);
    retryButton = (Button) findViewById(R.id.retry_button);
    retryButton.setOnClickListener(this);
    videoButton = (Button) findViewById(R.id.video_controls);
    audioButton = (Button) findViewById(R.id.audio_controls);
    textButton = (Button) findViewById(R.id.text_controls);

    CookieHandler currentHandler = CookieHandler.getDefault();
    if (currentHandler != defaultCookieManager) {
        CookieHandler.setDefault(defaultCookieManager);
    }

    audioCapabilitiesReceiver = new AudioCapabilitiesReceiver(this, this);
    audioCapabilitiesReceiver.register();
}
 

/**
 * 向GridLayout容器中添加Grid元素
 *
 * @param gridItem Grid元素
 */
private GridBuilder addItem(GridItem gridItem) {
    View itemLayout = null;
    if (null != mOnViewCreateCallBack) {
        itemLayout = mOnViewCreateCallBack.onViewCreate(mLayoutInflater, null == mGridViewHolder
                ? null : mGridViewHolder.getConvertView(), gridItem);
    }

    if (null == itemLayout) {
        return this;
    }

    GridLayout.LayoutParams layoutParams = new GridLayout.LayoutParams();
    // 优先根据预先取得的width/height设置,但不影响跨列/行数
    layoutParams.width = (gridItem.getWidth() > 0 ? gridItem.getWidth() : gridItem.getColumnSpec() * mBaseWidth)
            + ((gridItem.getColumnSpec() > 1 && gridItem.getWidth() <= 0 ? mHorizontalMargin * (gridItem.getColumnSpec() - 1) : 0));
    layoutParams.height = (gridItem.getHeight() > 0 ? gridItem.getHeight() : gridItem.getRowSpec() * mBaseHeight)
            + ((gridItem.getRowSpec() > 1 && gridItem.getWidth() <= 0 ? mVerticalMargin * (gridItem.getRowSpec() - 1) : 0));

    if (gridItem.getWidth() <= 0) {
        gridItem.setWidth(layoutParams.width);
    }
    if (gridItem.getHeight() <= 0) {
        gridItem.setHeight(layoutParams.height);
    }

    layoutParams.rowSpec = GridLayout.spec(gridItem.getRow(), gridItem.getRowSpec());
    layoutParams.columnSpec = GridLayout.spec(gridItem.getColumn(), gridItem.getColumnSpec());

    // 设置每个item间距,最外层间距也需要设置(因为需要体现边缘item的scale效果)
    if (gridItem.getRow() > 0) {
        layoutParams.topMargin = mVerticalMargin;
    }

    if (gridItem.getColumn() > 0) {
        layoutParams.leftMargin = mHorizontalMargin;
    }

    itemLayout.setLayoutParams(layoutParams);
    itemLayout.setFocusable(true);
    itemLayout.setClickable(true);
    itemLayout.setOnFocusChangeListener(this);
    itemLayout.setOnClickListener(this);
    itemLayout.setOnKeyListener(mOnKeyListener);
    itemLayout.setSoundEffectsEnabled(false);

    if (mGridLayout.getChildCount() == 0 && gridItem == mGridItemList.get(0)) {
        itemLayout.setTag(GridItem.TAG_FIRST_ITEM);
    }
    this.mGridLayout.addView(itemLayout);

    return this;
}
 

public VideoPlayerView(Context context, PlaybackControls controller, View root) {
    mContext = context;
    mediaController = controller;
    shutterView = root.findViewById(R.id.shutter);
    videoFrame = (AspectRatioFrameLayout) root.findViewById(R.id.video_frame);
    surfaceView = (SurfaceView) root.findViewById(R.id.surface_view);
    debugTextView = (TextView) root.findViewById(R.id.debug_text_view);
    debugView = root.findViewById(R.id.debug_view);
    statusTextView = (TextView) root.findViewById(R.id.status);
    playerStateTextView = (TextView) root.findViewById(R.id.player_state_view);
    subtitleLayout = (SubtitleLayout) root.findViewById(R.id.subtitles);
    nextEpisodeCard = root.findViewById(R.id.next_episode_card);
    episodeDetails = root.findViewById(R.id.episode_details);
    episodeTitle = (TextView) root.findViewById(R.id.episode_title);
    seriesTitle = (TextView) root.findViewById(R.id.series_title);
    duration = (TextView) root.findViewById(R.id.duration);

    ImageCardView card = (ImageCardView) root.findViewById(R.id.next_episode);
    card.setFocusable(true);
    card.setFocusableInTouchMode(true);
    card.setInfoVisibility(View.VISIBLE);
    card.setExtraVisibility(View.VISIBLE);
    card.setInfoAreaBackgroundColor(context.getResources().getColor(R.color.black_900));
    Point size = new Point(context.getResources().getDimensionPixelSize(R.dimen.card_width),
            context.getResources().getDimensionPixelSize(R.dimen.card_height));
    nextEpisode = new EpisodeCardView(context, card, size, false);
    nextEpisode.getImageCardView().setCardType(BaseCardView.CARD_TYPE_INFO_OVER);

    debugView.setVisibility(View.GONE);

    root.setOnTouchListener(new View.OnTouchListener() {
        @Override
        public boolean onTouch(View view, MotionEvent motionEvent) {
            return handleTouchEvents(view, motionEvent);
        }
    });
    root.setOnKeyListener(new View.OnKeyListener() {
        @Override
        public boolean onKey(View v, int keyCode, KeyEvent event) {
            return handleKeyEvents(v, keyCode, event);
        }
    });
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

    View v = inflater.inflate(R.layout.dialer_digit, container, false);
    // Store the backgrounds objects that will be in use later
    /*
    Resources r = getResources();
    
    digitsBackground = r.getDrawable(R.drawable.btn_dial_textfield_active);
    digitsEmptyBackground = r.getDrawable(R.drawable.btn_dial_textfield_normal);
    */

    // Store some object that could be useful later
    digits = (DigitsEditText) v.findViewById(R.id.digitsText);
    dialPad = (Dialpad) v.findViewById(R.id.dialPad);
    callBar = (DialerCallBar) v.findViewById(R.id.dialerCallBar);
    autoCompleteList = (ListView) v.findViewById(R.id.autoCompleteList);
    rewriteTextInfo = (TextView) v.findViewById(R.id.rewriteTextInfo);
    
    accountChooserButton = (AccountChooserButton) v.findViewById(R.id.accountChooserButton);
    
    accountChooserFilterItem = accountChooserButton.addExtraMenuItem(R.string.apply_rewrite);
    accountChooserFilterItem.setCheckable(true);
    accountChooserFilterItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
        @Override
        public boolean onMenuItemClick(MenuItem item) {
            setRewritingFeature(!accountChooserFilterItem.isChecked());
            return true;
        }
    });
    setRewritingFeature(prefsWrapper.getPreferenceBooleanValue(SipConfigManager.REWRITE_RULES_DIALER));
    
    dialerLayout = (DialerLayout) v.findViewById(R.id.top_digit_dialer);
    //switchTextView = (ImageButton) v.findViewById(R.id.switchTextView);

    // isTablet = Compatibility.isTabletScreen(getActivity());

    // Digits field setup
    if(savedInstanceState != null) {
        isDigit = savedInstanceState.getBoolean(TEXT_MODE_KEY, isDigit);
    }
    
    digits.setOnEditorActionListener(keyboardActionListener);
    
    // Layout 
    dialerLayout.setForceNoList(mDualPane);
    dialerLayout.setAutoCompleteListVisibiltyChangedListener(this);

    // Account chooser button setup
    accountChooserButton.setShowExternals(true);
    accountChooserButton.setOnAccountChangeListener(accountButtonChangeListener);

    // Dialpad
    dialPad.setOnDialKeyListener(this);

    // We only need to add the autocomplete list if we
    autoCompleteList.setAdapter(autoCompleteAdapter);
    autoCompleteList.setOnItemClickListener(autoCompleteListItemListener);
    autoCompleteList.setFastScrollEnabled(true);

    // Bottom bar setup
    callBar.setOnDialActionListener(this);
    callBar.setVideoEnabled(prefsWrapper.getPreferenceBooleanValue(SipConfigManager.USE_VIDEO));

    //switchTextView.setVisibility(Compatibility.isCompatible(11) ? View.GONE : View.VISIBLE);

    // Init other buttons
    initButtons(v);
    // Ensure that current mode (text/digit) is applied
    setTextDialing(!isDigit, true);
    if(initText != null) {
        digits.setText(initText);
        initText = null;
    }

    // Apply third party theme if any
    applyTheme(v);
    v.setOnKeyListener(this);
    applyTextToAutoComplete();
    return v;
}
 

/**
 * 初始化控件
 */
private void initView()
{
	mVPip = LayoutInflater.from(getApplicationContext()).inflate(R.layout.view_pip, null);
	View rlPip = (RelativeLayout) mVPip.findViewById(R.id.rl_pip);
	mFmPip = (FrameLayout) rlPip.findViewById(R.id.fm_pip);
	mLnFrameBg = (LinearLayout) rlPip.findViewById(R.id.ln_bg);
	mPgbLoading = (ProgressBar) mFmPip.findViewById(R.id.pgb_loading);
	mRlFrame = (RelativeLayout) mFmPip.findViewById(R.id.rl_frame);
	mTvNoSingle = (TextView) mFmPip.findViewById(R.id.tv_no_single);

	mRlController = (RelativeLayout) mVPip.findViewById(R.id.rl_control);
	mLnController = (LinearLayout) mRlController.findViewById(R.id.ln_controller);
	mLnScale = (LinearLayout) mRlController.findViewById(R.id.ln_scale);
	mLnAudio = (LinearLayout) mRlController.findViewById(R.id.ln_audio);
	mImgSwitch = (ImageView) mLnAudio.findViewById(R.id.img_switch);
	mTvReminds = (TextView) mRlController.findViewById(R.id.tv_reminds);

	mSfPip = (SurfaceView) mFmPip.findViewById(R.id.sf_pip);
	SurfaceHolder holder = mSfPip.getHolder();
	holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
	holder.addCallback(this);

	View move = mLnController.findViewById(R.id.tv_move);
	mTvScale = (TextView) mLnController.findViewById(R.id.tv_scale);
	mTvAudio = (TextView) mLnController.findViewById(R.id.tv_audio);
	View exit = mLnController.findViewById(R.id.tv_exit);
	View audioSwitch = mLnAudio.findViewById(R.id.rl_audio);

	mScales = new TextView[4];
	mScales[0] = mLnScale.findViewById(R.id.tv_scale_0);
	mScales[1] = mLnScale.findViewById(R.id.tv_scale_1);
	mScales[2] = mLnScale.findViewById(R.id.tv_scale_2);
	mScales[3] = mLnScale.findViewById(R.id.tv_scale_3);

	for (int i = 0; i < mScales.length; i++)
	{
		View v = mScales[i];
		v.setTag(i);
		v.setOnClickListener(this);
		v.setOnKeyListener(this);
		v.setOnFocusChangeListener(this);
	}
	mScales[mScaleMode].setSelected(true);

	move.setOnClickListener(this);
	mTvScale.setOnClickListener(this);
	mTvAudio.setOnClickListener(this);
	exit.setOnClickListener(this);
	audioSwitch.setOnClickListener(this);

	move.setOnFocusChangeListener(this);
	mTvScale.setOnFocusChangeListener(this);
	mTvAudio.setOnFocusChangeListener(this);
	exit.setOnFocusChangeListener(this);
	audioSwitch.setOnFocusChangeListener(this);

	move.setOnKeyListener(this);
	mTvScale.setOnKeyListener(this);
	mTvAudio.setOnKeyListener(this);
	exit.setOnKeyListener(this);
	audioSwitch.setOnKeyListener(this);
	mFmPip.setOnKeyListener(this);

	adjustPipFrame(mWindowType.x, mWindowType.y, mWindowType.width, mWindowType.height);

	WindowManager.LayoutParams params = new WindowManager.LayoutParams();
	params.type = WindowManager.LayoutParams.TYPE_SYSTEM_ALERT;
	params.format = PixelFormat.RGBA_8888; // 设置图片格式，效果为背景透明
	params.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN;
	params.width = WindowManager.LayoutParams.MATCH_PARENT;
	params.height = WindowManager.LayoutParams.MATCH_PARENT;

	((WindowManager) getSystemService(WINDOW_SERVICE)).addView(mVPip, params);
	move.requestFocus();
}
 

@Override
public View onCreateView(final LayoutInflater inflater, final ViewGroup container,
        final Bundle savedInstanceState) {

    Intent intent = getActivity().getIntent();
    if (intent == null) {
        getActivity().finish();
        return null;
    }
    mThreadId = intent.getLongExtra(ConfirmAuthActivity.EXTRA_THREAD_ID, -1);
    if (mThreadId == -1) {
        getActivity().finish();
        return null;
    }

    String applicationName = intent.getStringExtra(ConfirmAuthActivity.EXTRA_APPLICATION_NAME);
    String packageName = intent.getStringExtra(ConfirmAuthActivity.EXTRA_PACKAGE_NAME);
    String keyword = intent.getStringExtra(ConfirmAuthActivity.EXTRA_KEYWORD);
    String[] displayScopes = intent.getStringArrayExtra(ConfirmAuthActivity.EXTRA_DISPLAY_SCOPES);
    String expirePeriod = toStringExpiredPeriod();
    boolean isForPlugin = intent.getBooleanExtra(ConfirmAuthActivity.EXTRA_IS_FOR_DEVICEPLUGIN, true);
    boolean isAutoFlag= intent.getBooleanExtra(ConfirmAuthActivity.EXTRA_AUTO_FLAG, false);
    long requestTime = intent.getLongExtra(ConfirmAuthActivity.EXTRA_REQUEST_TIME, System.currentTimeMillis());
    long timeout = DEFAULT_TIMEOUT - (System.currentTimeMillis() - requestTime);

    int layoutId;
    if (isForPlugin) {
        layoutId = R.layout.confirm_auth_activity_plugin;
    } else {
        layoutId = R.layout.confirm_auth_activity_manager;
    }
    View view = inflater.inflate(layoutId, container, false);
    view.setFocusableInTouchMode(true);
    view.setOnKeyListener(new View.OnKeyListener() {
        @Override
        public boolean onKey(final View v, final int keyCode, final KeyEvent event) {
            if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_UP) {
                notApprovalProc();
                return true;
            }
            return false;
        }
    });

    // 有効期限
    TextView textViewExpirePeriod = (TextView) view.findViewById(R.id.textViewExpirePeriod);
    textViewExpirePeriod.setText(expirePeriod);

    // アプリ名
    TextView textViewApplicationName = (TextView) view.findViewById(R.id.textViewAccessToken);
    textViewApplicationName.setText(applicationName);

    // スコープ一覧表示
    ListView listViewScopes = (ListView) view.findViewById(R.id.listViewScopes);
    listViewScopes.setAdapter(new ArrayAdapter<>(getActivity(),
           R.layout.confirm_auth_scopes_list_item, R.id.textViewScope,
            displayScopes));
    
    // 承認ボタン
    Button buttonApproval = (Button) view.findViewById(R.id.buttonApproval);
    buttonApproval.setOnClickListener(mOnButtonApprovalClickListener);

    // 拒否ボタン
    Button buttonReject = (Button) view.findViewById(R.id.buttonReject);
    buttonReject.setOnClickListener(mOnButtonApprovalClickListener);

    if (!isForPlugin) {
        // アプリのアクセス先(=マネージャ)のパッケージ名
        TextView textViewPackageName = (TextView) view.findViewById(R.id.textPackageName);
        textViewPackageName.setText(packageName);
        // キーワード
        TextView textViewKeyword = (TextView) view.findViewById(R.id.textKeyword);
        textViewKeyword.setText(keyword);
    }

    if (timeout > 0) {
        startTimeoutTimer(timeout);
    } else {
        // タイムアウトになっているので、Activityを閉じる
        getActivity().finish();
    }

    if (isAutoFlag) {
        new Handler(Looper.getMainLooper()).post(new Runnable() {
            @Override
            public void run() {
                approvalProc();
            }
        });
    }

    return view;
}
 

/**
 * Adds the specified child in the specified screen. The position and dimension of
 * the child are defined by x, y, spanX and spanY.
 *
 * @param child The child to add in one of the workspace's screens.
 * @param screenId The screen in which to add the child.
 * @param x The X position of the child in the screen's grid.
 * @param y The Y position of the child in the screen's grid.
 * @param spanX The number of cells spanned horizontally by the child.
 * @param spanY The number of cells spanned vertically by the child.
 * @param insert When true, the child is inserted at the beginning of the children list.
 * @param computeXYFromRank When true, we use the rank (stored in screenId) to compute
 *                          the x and y position in which to place hotseat items. Otherwise
 *                          we use the x and y position to compute the rank.
 */
void addInScreen(View child, long container, long screenId, int x, int y, int spanX, int spanY,
        boolean insert, boolean computeXYFromRank) {
    //Reload settings
    reloadSettings();
    if (container == LauncherSettings.Favorites.CONTAINER_DESKTOP) {
        if (getScreenWithId(screenId) == null) {
            Log.e(TAG, "Skipping child, screenId " + screenId + " not found");
            // DEBUGGING - Print out the stack trace to see where we are adding from
            new Throwable().printStackTrace();
            return;
        }
    }
    if (screenId == EXTRA_EMPTY_SCREEN_ID) {
        // This should never happen
        throw new RuntimeException("Screen id should not be EXTRA_EMPTY_SCREEN_ID");
    }

    final CellLayout layout;
    if (container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
        layout = mLauncher.getHotseat().getLayout();
        child.setOnKeyListener(null);

        // Hide folder title in the hotseat
        if (child instanceof FolderIcon) {
            ((FolderIcon) child).setTextVisible(false);
        }

        if (computeXYFromRank) {
            x = mLauncher.getHotseat().getCellXFromOrder((int) screenId);
            y = mLauncher.getHotseat().getCellYFromOrder((int) screenId);
        } else {
            screenId = mLauncher.getHotseat().getOrderInHotseat(x, y);
        }
    } else {
        // Show folder title if not in the hotseat
        if (child instanceof FolderIcon) {
            ((FolderIcon) child).setTextVisible(!mHideIconLabels);
        } else if (child instanceof BubbleTextView) {
            ((BubbleTextView) child).setTextVisibility(!mHideIconLabels);
        }
        layout = getScreenWithId(screenId);
        child.setOnKeyListener(new IconKeyEventListener());
    }

    ViewGroup.LayoutParams genericLp = child.getLayoutParams();
    CellLayout.LayoutParams lp;
    if (genericLp == null || !(genericLp instanceof CellLayout.LayoutParams)) {
        lp = new CellLayout.LayoutParams(x, y, spanX, spanY);
    } else {
        lp = (CellLayout.LayoutParams) genericLp;
        lp.cellX = x;
        lp.cellY = y;
        lp.cellHSpan = spanX;
        lp.cellVSpan = spanY;
    }

    if (spanX < 0 && spanY < 0) {
        lp.isLockedToGrid = false;
    }

    // Get the canonical child id to uniquely represent this view in this screen
    ItemInfo info = (ItemInfo) child.getTag();
    int childId = mLauncher.getViewIdForItem(info);

    boolean markCellsAsOccupied = !(child instanceof Folder);
    if (!layout.addViewToCellLayout(child, insert ? 0 : -1, childId, lp, markCellsAsOccupied)) {
        
    }

    if (!(child instanceof Folder)) {
        if (container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
            child.setHapticFeedbackEnabled(false);
        }
        child.setOnLongClickListener(mLongClickListener);
    }
    if (child instanceof DropTarget) {
        mDragController.addDropTarget((DropTarget) child);
    }
}