Example usage for android.view KeyEvent KEYCODE

Introduction

In this page you can find the example usage for android.view KeyEvent KEYCODE_BACK.

Prototype

int KEYCODE_BACK

To view the source code for android.view KeyEvent KEYCODE_BACK.

Click Source Link

Document

Key code constant: Back key.

Usage

From source file:aarddict.android.ArticleViewActivity.java

@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
    // eat key ups corresponding to key downs so that volume keys don't beep
    switch (keyCode) {
    case KeyEvent.KEYCODE_BACK:
    case KeyEvent.KEYCODE_VOLUME_UP:
    case KeyEvent.KEYCODE_VOLUME_DOWN:
        break;//from   www.j a va2 s.c o  m
    default:
        return super.onKeyDown(keyCode, event);
    }
    return true;
}

From source file:ayushi.view.fragment.ProductDetailsFragment.java

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

    mToolbar = (Toolbar) rootView.findViewById(R.id.htab_toolbar);
    if (mToolbar != null) {
        ((ECartHomeActivity) getActivity()).setSupportActionBar(mToolbar);
    }//from   w w w  .ja v a  2s  . c om

    if (mToolbar != null) {
        ((ECartHomeActivity) getActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        mToolbar.setNavigationIcon(R.drawable.ic_drawer);

    }

    mToolbar.setTitleTextColor(Color.WHITE);

    mToolbar.setNavigationOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            ((ECartHomeActivity) getActivity()).getmDrawerLayout().openDrawer(GravityCompat.START);
        }
    });

    ((ECartHomeActivity) getActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(true);

    similarProductsPager = (ClickableViewPager) rootView.findViewById(R.id.similar_products_pager);

    topSellingPager = (ClickableViewPager) rootView.findViewById(R.id.top_selleing_pager);

    itemSellPrice = ((TextView) rootView.findViewById(R.id.category_discount));

    quanitity = ((TextView) rootView.findViewById(R.id.iteam_amount));

    itemName = ((TextView) rootView.findViewById(R.id.product_name));

    itemdescription = ((TextView) rootView.findViewById(R.id.product_description));

    itemImage = (ImageView) rootView.findViewById(R.id.product_image);

    fillProductData();

    rootView.findViewById(R.id.add_item).setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {

            if (isFromCart) {

                //Update Quantity on shopping List
                GlobaDataHolder.getGlobaDataHolder().getShoppingList().get(productListNumber)
                        .setQuantity(String.valueOf(

                                Integer.valueOf(GlobaDataHolder.getGlobaDataHolder().getShoppingList()
                                        .get(productListNumber).getQuantity()) + 1));

                //Update Ui
                quanitity.setText(GlobaDataHolder.getGlobaDataHolder().getShoppingList().get(productListNumber)
                        .getQuantity());

                Utils.vibrate(getActivity());

                //Update checkout amount on screen
                ((ECartHomeActivity) getActivity()).updateCheckOutAmount(
                        BigDecimal.valueOf(Long.valueOf(GlobaDataHolder.getGlobaDataHolder().getShoppingList()
                                .get(productListNumber).getSellMRP())),
                        true);

            } else {

                // current object
                Product tempObj = GlobaDataHolder.getGlobaDataHolder().getProductMap().get(subcategoryKey)
                        .get(productListNumber);

                // if current object is lready in shopping list
                if (GlobaDataHolder.getGlobaDataHolder().getShoppingList().contains(tempObj)) {

                    // get position of current item in shopping list
                    int indexOfTempInShopingList = GlobaDataHolder.getGlobaDataHolder().getShoppingList()
                            .indexOf(tempObj);

                    // increase quantity of current item in shopping
                    // list
                    if (Integer.parseInt(tempObj.getQuantity()) == 0) {

                        ((ECartHomeActivity) getContext()).updateItemCount(true);

                    }

                    // update quanity in shopping list
                    GlobaDataHolder.getGlobaDataHolder().getShoppingList().get(indexOfTempInShopingList)
                            .setQuantity(String.valueOf(Integer.valueOf(tempObj.getQuantity()) + 1));

                    // update checkout amount
                    ((ECartHomeActivity) getContext())
                            .updateCheckOutAmount(
                                    BigDecimal.valueOf(
                                            Long.valueOf(GlobaDataHolder.getGlobaDataHolder().getProductMap()
                                                    .get(subcategoryKey).get(productListNumber).getSellMRP())),
                                    true);

                    // update current item quanitity
                    quanitity.setText(tempObj.getQuantity());

                } else {

                    ((ECartHomeActivity) getContext()).updateItemCount(true);

                    tempObj.setQuantity(String.valueOf(1));

                    quanitity.setText(tempObj.getQuantity());

                    GlobaDataHolder.getGlobaDataHolder().getShoppingList().add(tempObj);

                    ((ECartHomeActivity) getContext())
                            .updateCheckOutAmount(
                                    BigDecimal.valueOf(
                                            Long.valueOf(GlobaDataHolder.getGlobaDataHolder().getProductMap()
                                                    .get(subcategoryKey).get(productListNumber).getSellMRP())),
                                    true);

                }

                Utils.vibrate(getContext());

            }
        }

    });

    rootView.findViewById(R.id.remove_item).setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {

            if (isFromCart)

            {

                if (Integer.valueOf(GlobaDataHolder.getGlobaDataHolder().getShoppingList()
                        .get(productListNumber).getQuantity()) > 2) {

                    GlobaDataHolder.getGlobaDataHolder().getShoppingList().get(productListNumber)
                            .setQuantity(String.valueOf(

                                    Integer.valueOf(GlobaDataHolder.getGlobaDataHolder().getShoppingList()
                                            .get(productListNumber).getQuantity()) - 1));

                    quanitity.setText(GlobaDataHolder.getGlobaDataHolder().getShoppingList()
                            .get(productListNumber).getQuantity());

                    ((ECartHomeActivity) getActivity()).updateCheckOutAmount(
                            BigDecimal.valueOf(Long.valueOf(GlobaDataHolder.getGlobaDataHolder()
                                    .getShoppingList().get(productListNumber).getSellMRP())),
                            false);

                    Utils.vibrate(getActivity());
                }

                else if (Integer.valueOf(GlobaDataHolder.getGlobaDataHolder().getShoppingList()
                        .get(productListNumber).getQuantity()) == 1) {
                    ((ECartHomeActivity) getActivity()).updateItemCount(false);

                    ((ECartHomeActivity) getActivity()).updateCheckOutAmount(
                            BigDecimal.valueOf(Long.valueOf(GlobaDataHolder.getGlobaDataHolder()
                                    .getShoppingList().get(productListNumber).getSellMRP())),
                            false);

                    GlobaDataHolder.getGlobaDataHolder().getShoppingList().remove(productListNumber);

                    if (Integer.valueOf(((ECartHomeActivity) getActivity()).getItemCount()) == 0) {

                        MyCartFragment.updateMyCartFragment(false);

                    }

                    Utils.vibrate(getActivity());

                }

            }

            else {

                Product tempObj = GlobaDataHolder.getGlobaDataHolder().getProductMap().get(subcategoryKey)
                        .get(productListNumber);

                if (GlobaDataHolder.getGlobaDataHolder().getShoppingList().contains(tempObj)) {

                    int indexOfTempInShopingList = GlobaDataHolder.getGlobaDataHolder().getShoppingList()
                            .indexOf(tempObj);

                    if (Integer.valueOf(tempObj.getQuantity()) != 0) {

                        GlobaDataHolder.getGlobaDataHolder().getShoppingList().get(indexOfTempInShopingList)
                                .setQuantity(String.valueOf(Integer.valueOf(tempObj.getQuantity()) - 1));

                        ((ECartHomeActivity) getContext()).updateCheckOutAmount(
                                BigDecimal.valueOf(
                                        Long.valueOf(GlobaDataHolder.getGlobaDataHolder().getProductMap()
                                                .get(subcategoryKey).get(productListNumber).getSellMRP())),
                                false);

                        quanitity.setText(GlobaDataHolder.getGlobaDataHolder().getShoppingList()
                                .get(indexOfTempInShopingList).getQuantity());

                        Utils.vibrate(getContext());

                        if (Integer.valueOf(GlobaDataHolder.getGlobaDataHolder().getShoppingList()
                                .get(indexOfTempInShopingList).getQuantity()) == 0) {

                            GlobaDataHolder.getGlobaDataHolder().getShoppingList()
                                    .remove(indexOfTempInShopingList);

                            ((ECartHomeActivity) getContext()).updateItemCount(false);

                        }

                    }

                } else {

                }

            }

        }

    });

    rootView.setFocusableInTouchMode(true);
    rootView.requestFocus();
    rootView.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 (isFromCart) {

                    Utils.switchContent(R.id.frag_container, Utils.SHOPPING_LIST_TAG,
                            ((ECartHomeActivity) (getActivity())), AnimationType.SLIDE_UP);
                } else {

                    Utils.switchContent(R.id.frag_container, Utils.PRODUCT_OVERVIEW_FRAGMENT_TAG,
                            ((ECartHomeActivity) (getActivity())), AnimationType.SLIDE_RIGHT);
                }

            }
            return true;
        }
    });

    if (isFromCart) {

        similarProductsPager.setVisibility(View.GONE);

        topSellingPager.setVisibility(View.GONE);

    } else {
        showRecomondation();
    }

    return rootView;
}

From source file:net.oschina.app.ui.MainActivity.java

/**
 * ?--??/*from  ww  w  . j av a  2s  .  co  m*/
 */
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        // ?
        if (AppContext.get(AppConfig.KEY_DOUBLE_CLICK_EXIT, true)) {
            return mDoubleClickExit.onKeyDown(keyCode, event);
        }
    }
    return super.onKeyDown(keyCode, event);
}

From source file:at.ac.tuwien.caa.docscan.ui.CameraActivity.java

/**
 * This function accesses the hardware buttons (like volume buttons). We need this access,
 * because shutter remotes emulate such a key press over bluetooth.
 * @param keyCode/*from   w ww . j  a  v a  2  s.  c om*/
 * @param event
 * @return
 */
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {

    if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
        takePicture();
    } else if (keyCode == KeyEvent.KEYCODE_BACK) {
        super.onBackPressed();
    }

    return true;
}

From source file:com.marvin.rocklock.RockLockActivity.java

/**
 * Pick up back button and volume up and down
 *///from ww w.j a  v a 2  s .c  o m
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    switch (keyCode) {
    case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
        mPlayer.togglePlayPause();
        return true;
    case KeyEvent.KEYCODE_MEDIA_NEXT:
        mPlayer.nextTrack(false);
        return true;
    case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
        mPlayer.prevTrack(false);
        return true;
    case KeyEvent.KEYCODE_VOLUME_UP:
        mAudioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_RAISE,
                AudioManager.FLAG_PLAY_SOUND);
        return true;
    case KeyEvent.KEYCODE_VOLUME_DOWN:
        mAudioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_LOWER,
                AudioManager.FLAG_PLAY_SOUND);
        return true;
    case KeyEvent.KEYCODE_BACK:
        onBackPressed();
        return true;
    default:
        return super.onKeyDown(keyCode, event);
    }
}

From source file:org.cocos2dx.lib.TextInputWraper.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    final int kc = keyCode;
    if (keyCode == KeyEvent.KEYCODE_BACK || keyCode == KeyEvent.KEYCODE_MENU) {
        queueEvent(new Runnable() {
            @Override//  ww  w  . j av a2s  .c  o  m
            public void run() {
                mRenderer.handleKeyDown(kc);
            }
        });
        return true;
    }
    return super.onKeyDown(keyCode, event);
}

From source file:am.hour.beebird.Activity.MainActivity.java

public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        recent_fragment_number = -1;//from w  ww .j a  v  a  2  s  .com

    } else if (keyCode == KeyEvent.KEYCODE_MENU) {

    } else if (keyCode == KeyEvent.KEYCODE_HOME) {
        // 

    }
    return super.onKeyDown(keyCode, event);
}

From source file:com.jiandanbaoxian.fragment.DialogFragmentCreater.java

/**
 * Dialog ???//  w  w w  .j a va  2s. c om
 * @param mContext
 * @return
 */
private Dialog showLicenseChoiceDialog(final Context mContext) {
    View convertView = LayoutInflater.from(mContext).inflate(R.layout.dialog_license_choice, null);
    final Dialog dialog = new Dialog(mContext, R.style.mystyle);

    View.OnClickListener listener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            switch (v.getId()) {
            case R.id.layout_rule:
                if (isAgree) {
                    isAgree = false;
                    ImageView imageView = (ImageView) v.findViewById(R.id.iv_choose);
                    //                            TextView textView = (TextView)v.findViewById(R.id.tv_rule);
                    imageView.setImageResource(R.drawable.icon_choose);
                    //                            textView.setBackgroundColor(getResources().getColor(R.color.bg_gray_color_level_0));
                    //                            textView.setTextColor(getResources().getColor(R.color.tv_gray_color_level_3));
                } else {
                    isAgree = true;
                    ImageView imageView = (ImageView) v.findViewById(R.id.iv_choose);
                    //                            TextView textView = (TextView)v.findViewById(R.id.tv_rule);
                    imageView.setImageResource(R.drawable.icon_choose_selected);
                    //                            textView.setBackgroundResource(R.drawable.btn_select_base_shape_0);
                    //                            textView.setTextColor(getResources().getColor(R.color.white_color));
                }
                break;
            }
            if (onLicenseDialogClickListener != null) {
                onLicenseDialogClickListener.onClick(v, isAgree);
            }
        }
    };

    TitleBar titleBar;
    SwipeRefreshLayout swipeLayout;
    final WebView webView;
    ProgressBar progressBar;
    LinearLayout layoutRule;
    LinearLayout layoutConfirm;

    titleBar = (TitleBar) convertView.findViewById(R.id.title_bar);
    swipeLayout = (SwipeRefreshLayout) convertView.findViewById(R.id.swipe_layout);
    webView = (WebView) convertView.findViewById(R.id.webView);
    progressBar = (ProgressBar) convertView.findViewById(R.id.progress_bar);
    layoutRule = (LinearLayout) convertView.findViewById(R.id.layout_rule);
    layoutConfirm = (LinearLayout) convertView.findViewById(R.id.layout_confirm);

    WebChromeClient client = new AppChromeWebClient(titleBar, progressBar, swipeLayout);
    webView.setWebChromeClient(client);
    webView.setWebViewClient(new AppWebClient());
    webView.getSettings().setJavaScriptEnabled(true);
    webView.loadUrl(webViewURL);
    webView.setOnKeyListener(new View.OnKeyListener() {
        @Override
        public boolean onKey(View v, int keyCode, KeyEvent event) {
            if (event.getAction() == KeyEvent.ACTION_DOWN) {
                if (keyCode == KeyEvent.KEYCODE_BACK && webView.canGoBack()) {
                    webView.goBack(); //?
                    return true; //?
                }
            }
            return false;
        }
    });

    titleBar.initTitleBarInfo("", R.drawable.arrow_left, -1, "", "");
    titleBar.setOnTitleBarClickListener(new TitleBar.OnTitleBarClickListener() {
        @Override
        public void onLeftButtonClick(View v) {
            if (webView.canGoBack()) {
                webView.goBack(); //?
                return; //?
            }

            if (onLicenseDialogClickListener != null) {
                onLicenseDialogClickListener.onClick(v, isAgree);
                dismiss();
            }
        }

        @Override
        public void onRightButtonClick(View v) {

        }
    });
    UIUtils.initSwipeRefreshLayout(swipeLayout);
    swipeLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
        @Override
        public void onRefresh() {
            webView.reload();
        }
    });

    layoutConfirm.setOnClickListener(listener);
    layoutRule.setOnClickListener(listener);

    dialog.setContentView(convertView);
    dialog.getWindow().setWindowAnimations(R.style.dialog_right_control_style);
    return dialog;
}

From source file:com.skalski.websocketsclient.ActivityMain.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {
        onBackPressed();/*from  www.ja va 2 s . co  m*/
    }
    return true;
}

From source file:com.darly.im.ui.LauncherActivity.java

@Override
public boolean dispatchKeyEvent(KeyEvent event) {
    LogUtil.d(LogUtil.getLogUtilsTag(LauncherActivity.class), " onKeyDown");

    if ((event.getKeyCode() == KeyEvent.KEYCODE_BACK) && event.getAction() == KeyEvent.ACTION_UP) {
        // dismiss PlusSubMenuHelper
        if (mOverflowHelper != null && mOverflowHelper.isOverflowShowing()) {
            mOverflowHelper.dismiss();//from  www.ja  va 2  s  . c o m
            return true;
        }
    }

    // ?menu??
    if ((event.getKeyCode() == KeyEvent.KEYCODE_BACK) && event.getAction() == KeyEvent.ACTION_DOWN) {
        doTaskToBackEvent();
    }

    try {

        return super.dispatchKeyEvent(event);
    } catch (Exception e) {
        LogUtil.e(LogUtil.getLogUtilsTag(LauncherActivity.class),
                "dispatch key event catch exception " + e.getMessage());
    }

    return false;
}

Example usage for android.view KeyEvent KEYCODE_BACK

Introduction

Prototype

Document

Usage