Example usage for android.view KeyEvent KEYCODE

Introduction

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

Prototype

int KEYCODE_ESCAPE

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

Click Source Link

Document

Key code constant: Escape key.

Usage

From source file:android.support.v17.leanback.app.DetailsSupportFragment.java

/**
 * This method does the following/*w ww.  j a va  2s.c o  m*/
 * <ul>
 * <li>sets up focus search handling logic in the root view to enable transitioning between
 * half screen/full screen/no video mode.</li>
 *
 * <li>Sets up the key listener in the root view to intercept events like UP/DOWN and
 * transition to appropriate mode like half/full screen video.</li>
 * </ul>
 */
void setupDpadNavigation() {
    mRootView.setOnChildFocusListener(new BrowseFrameLayout.OnChildFocusListener() {

        @Override
        public boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) {
            return false;
        }

        @Override
        public void onRequestChildFocus(View child, View focused) {
            if (child != mRootView.getFocusedChild()) {
                if (child.getId() == R.id.details_fragment_root) {
                    if (!mPendingFocusOnVideo) {
                        slideInGridView();
                        showTitle(true);
                    }
                } else if (child.getId() == R.id.video_surface_container) {
                    slideOutGridView();
                    showTitle(false);
                } else {
                    showTitle(true);
                }
            }
        }
    });
    mRootView.setOnFocusSearchListener(new BrowseFrameLayout.OnFocusSearchListener() {
        @Override
        public View onFocusSearch(View focused, int direction) {
            if (mRowsSupportFragment.getVerticalGridView() != null
                    && mRowsSupportFragment.getVerticalGridView().hasFocus()) {
                if (direction == View.FOCUS_UP) {
                    if (mDetailsBackgroundController != null
                            && mDetailsBackgroundController.canNavigateToVideoSupportFragment()
                            && mVideoSupportFragment != null && mVideoSupportFragment.getView() != null) {
                        return mVideoSupportFragment.getView();
                    } else if (getTitleView() != null && getTitleView().hasFocusable()) {
                        return getTitleView();
                    }
                }
            } else if (getTitleView() != null && getTitleView().hasFocus()) {
                if (direction == View.FOCUS_DOWN) {
                    if (mRowsSupportFragment.getVerticalGridView() != null) {
                        return mRowsSupportFragment.getVerticalGridView();
                    }
                }
            }
            return focused;
        }
    });

    // If we press BACK on remote while in full screen video mode, we should
    // transition back to half screen video playback mode.
    mRootView.setOnDispatchKeyListener(new View.OnKeyListener() {
        @Override
        public boolean onKey(View v, int keyCode, KeyEvent event) {
            // This is used to check if we are in full screen video mode. This is somewhat
            // hacky and relies on the behavior of the video helper class to update the
            // focusability of the video surface view.
            if (mVideoSupportFragment != null && mVideoSupportFragment.getView() != null
                    && mVideoSupportFragment.getView().hasFocus()) {
                if (keyCode == KeyEvent.KEYCODE_BACK || keyCode == KeyEvent.KEYCODE_ESCAPE) {
                    if (getVerticalGridView().getChildCount() > 0) {
                        getVerticalGridView().requestFocus();
                        return true;
                    }
                }
            }

            return false;
        }
    });
}

From source file:com.wdullaer.materialdatetimepicker.time.TimePickerView.java

/**
 * For keyboard mode, processes key events.
 * @param keyCode the pressed key.//from  w ww. j  a v a  2  s  . com
 * @return true if the key was successfully processed, false otherwise.
 */
private boolean processKeyUp(int keyCode) {
    if (keyCode == KeyEvent.KEYCODE_ESCAPE || keyCode == KeyEvent.KEYCODE_BACK) {
        //            if(isCancelable()) dismiss();
        return true;
    } else if (keyCode == KeyEvent.KEYCODE_TAB) {
        if (mInKbMode) {
            if (isTypedTimeFullyLegal()) {
                finishKbMode(true);
            }
            return true;
        }
    } else if (keyCode == KeyEvent.KEYCODE_ENTER) {
        if (mInKbMode) {
            if (!isTypedTimeFullyLegal()) {
                return true;
            }
            finishKbMode(false);
        }
        if (mCallback != null) {
            mCallback.onTimeSet(mTimePicker, mTimePicker.getHours(), mTimePicker.getMinutes(),
                    mTimePicker.getSeconds());
        }
        //            dismiss();
        return true;
    } else if (keyCode == KeyEvent.KEYCODE_DEL) {
        if (mInKbMode) {
            if (!mTypedTimes.isEmpty()) {
                int deleted = deleteLastTypedKey();
                String deletedKeyStr;
                if (deleted == getAmOrPmKeyCode(AM)) {
                    deletedKeyStr = mAmText;
                } else if (deleted == getAmOrPmKeyCode(PM)) {
                    deletedKeyStr = mPmText;
                } else {
                    deletedKeyStr = String.format("%d", getValFromKeyCode(deleted));
                }
                Utils.tryAccessibilityAnnounce(mTimePicker, String.format(mDeletedKeyFormat, deletedKeyStr));
                updateDisplay(true);
            }
        }
    } else if (keyCode == KeyEvent.KEYCODE_0 || keyCode == KeyEvent.KEYCODE_1 || keyCode == KeyEvent.KEYCODE_2
            || keyCode == KeyEvent.KEYCODE_3 || keyCode == KeyEvent.KEYCODE_4 || keyCode == KeyEvent.KEYCODE_5
            || keyCode == KeyEvent.KEYCODE_6 || keyCode == KeyEvent.KEYCODE_7 || keyCode == KeyEvent.KEYCODE_8
            || keyCode == KeyEvent.KEYCODE_9
            || (!mIs24HourMode && (keyCode == getAmOrPmKeyCode(AM) || keyCode == getAmOrPmKeyCode(PM)))) {
        if (!mInKbMode) {
            if (mTimePicker == null) {
                // Something's wrong, because time picker should definitely not be null.
                Log.e(TAG, "Unable to initiate keyboard mode, TimePicker was null.");
                return true;
            }
            mTypedTimes.clear();
            tryStartingKbMode(keyCode);
            return true;
        }
        // We're already in keyboard mode.
        if (addKeyIfLegal(keyCode)) {
            updateDisplay(false);
        }
        return true;
    }
    return false;
}

From source file:com.customdatepicker.time.TimePickerDialog.java

/**
 * For keyboard mode, processes key events.
 * @param keyCode the pressed key.//from  w w w .j a v a2 s  . com
 * @return true if the key was successfully processed, false otherwise.
 */
private boolean processKeyUp(int keyCode) {
    if (keyCode == KeyEvent.KEYCODE_ESCAPE || keyCode == KeyEvent.KEYCODE_BACK) {
        if (isCancelable())
            dismiss();
        return true;
    } else if (keyCode == KeyEvent.KEYCODE_TAB) {
        if (mInKbMode) {
            if (isTypedTimeFullyLegal()) {
                finishKbMode(true);
            }
            return true;
        }
    } else if (keyCode == KeyEvent.KEYCODE_ENTER) {
        if (mInKbMode) {
            if (!isTypedTimeFullyLegal()) {
                return true;
            }
            finishKbMode(false);
        }
        if (mCallback != null) {
            mCallback.onTimeSet(this, mTimePicker.getHours(), mTimePicker.getMinutes(),
                    mTimePicker.getSeconds());
        }
        dismiss();
        return true;
    } else if (keyCode == KeyEvent.KEYCODE_DEL) {
        if (mInKbMode) {
            if (!mTypedTimes.isEmpty()) {
                int deleted = deleteLastTypedKey();
                String deletedKeyStr;
                if (deleted == getAmOrPmKeyCode(AM)) {
                    deletedKeyStr = mAmText;
                } else if (deleted == getAmOrPmKeyCode(PM)) {
                    deletedKeyStr = mPmText;
                } else {
                    deletedKeyStr = String.format("%d", getValFromKeyCode(deleted));
                }
                Utils.tryAccessibilityAnnounce(mTimePicker, String.format(mDeletedKeyFormat, deletedKeyStr));
                updateDisplay(true);
            }
        }
    } else if (keyCode == KeyEvent.KEYCODE_0 || keyCode == KeyEvent.KEYCODE_1 || keyCode == KeyEvent.KEYCODE_2
            || keyCode == KeyEvent.KEYCODE_3 || keyCode == KeyEvent.KEYCODE_4 || keyCode == KeyEvent.KEYCODE_5
            || keyCode == KeyEvent.KEYCODE_6 || keyCode == KeyEvent.KEYCODE_7 || keyCode == KeyEvent.KEYCODE_8
            || keyCode == KeyEvent.KEYCODE_9
            || (!mIs24HourMode && (keyCode == getAmOrPmKeyCode(AM) || keyCode == getAmOrPmKeyCode(PM)))) {
        if (!mInKbMode) {
            if (mTimePicker == null) {
                // Something's wrong, because time picker should definitely not be null.
                Log.e(TAG, "Unable to initiate keyboard mode, TimePicker was null.");
                return true;
            }
            mTypedTimes.clear();
            tryStartingKbMode(keyCode);
            return true;
        }
        // We're already in keyboard mode.
        if (addKeyIfLegal(keyCode)) {
            updateDisplay(false);
        }
        return true;
    }
    return false;
}

From source file:nu.yona.timepicker.time.TimePickerDialog.java

/**
 * For keyboard mode, processes key events.
 *
 * @param keyCode the pressed key./*from   ww  w  .ja v  a 2 s  .c o m*/
 * @return true if the key was successfully processed, false otherwise.
 */
private boolean processKeyUp(int keyCode) {
    if (keyCode == KeyEvent.KEYCODE_ESCAPE || keyCode == KeyEvent.KEYCODE_BACK) {
        if (isCancelable())
            dismiss();
        return true;
    } else if (keyCode == KeyEvent.KEYCODE_TAB) {
        if (mInKbMode) {
            if (isTypedTimeFullyLegal()) {
                finishKbMode(true);
            }
            return true;
        }
    } else if (keyCode == KeyEvent.KEYCODE_ENTER) {
        if (mInKbMode) {
            if (!isTypedTimeFullyLegal()) {
                return true;
            }
            finishKbMode(false);
        }
        if (mCallback != null) {
            mCallback.onTimeSet(mTimePicker, mTimePicker.getHours(), mTimePicker.getMinutes(),
                    mTimePicker.getSeconds());
        }
        dismiss();
        return true;
    } else if (keyCode == KeyEvent.KEYCODE_DEL) {
        if (mInKbMode) {
            if (!mTypedTimes.isEmpty()) {
                int deleted = deleteLastTypedKey();
                String deletedKeyStr;
                if (deleted == getAmOrPmKeyCode(AM)) {
                    deletedKeyStr = mAmText;

                } else if (deleted == getAmOrPmKeyCode(PM)) {
                    deletedKeyStr = mPmText;
                } else {
                    deletedKeyStr = String.format("%d", getValFromKeyCode(deleted));
                }
                Utils.tryAccessibilityAnnounce(mTimePicker, String.format(mDeletedKeyFormat, deletedKeyStr));
                updateDisplay(true);
            }
        }
    } else if (keyCode == KeyEvent.KEYCODE_0 || keyCode == KeyEvent.KEYCODE_1 || keyCode == KeyEvent.KEYCODE_2
            || keyCode == KeyEvent.KEYCODE_3 || keyCode == KeyEvent.KEYCODE_4 || keyCode == KeyEvent.KEYCODE_5
            || keyCode == KeyEvent.KEYCODE_6 || keyCode == KeyEvent.KEYCODE_7 || keyCode == KeyEvent.KEYCODE_8
            || keyCode == KeyEvent.KEYCODE_9
            || (!mIs24HourMode && (keyCode == getAmOrPmKeyCode(AM) || keyCode == getAmOrPmKeyCode(PM)))) {
        if (!mInKbMode) {
            if (mTimePicker == null) {
                // Something's wrong, because time picker should definitely not be null.
                Log.e(TAG, "Unable to initiate keyboard mode, TimePicker was null.");
                return true;
            }
            mTypedTimes.clear();
            tryStartingKbMode(keyCode);
            return true;
        }
        // We're already in keyboard mode.
        if (addKeyIfLegal(keyCode)) {
            updateDisplay(false);
        }
        return true;
    }
    return false;
}

Example usage for android.view KeyEvent KEYCODE_ESCAPE

Introduction

Prototype

Document

Usage