Example usage for android.view View FOCUS

Introduction

In this page you can find the example usage for android.view View FOCUS_DOWN.

Prototype

int FOCUS_DOWN

To view the source code for android.view View FOCUS_DOWN.

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Document

Use with #focusSearch(int) .

Usage

From source file:com.codename1.impl.android.AndroidImplementation.java

public PeerComponent createBrowserComponent(final Object parent) {
    if (getActivity() == null) {
        return null;
    }//from  w w  w  . j  a v  a 2  s. c  o m
    final AndroidImplementation.AndroidBrowserComponent[] bc = new AndroidImplementation.AndroidBrowserComponent[1];
    final Throwable[] error = new Throwable[1];
    final Object lock = new Object();

    getActivity().runOnUiThread(new Runnable() {
        @Override
        public void run() {

            synchronized (lock) {
                try {
                    WebView wv = new WebView(getActivity()) {

                        public boolean onKeyDown(int keyCode, KeyEvent event) {
                            switch (keyCode) {
                            case KeyEvent.KEYCODE_BACK:
                                Display.getInstance().keyPressed(AndroidImplementation.DROID_IMPL_KEY_BACK);
                                return true;
                            case KeyEvent.KEYCODE_MENU:
                                //if the native commands are used don't handle the keycode
                                if (Display.getInstance()
                                        .getCommandBehavior() != Display.COMMAND_BEHAVIOR_NATIVE) {
                                    Display.getInstance().keyPressed(AndroidImplementation.DROID_IMPL_KEY_MENU);
                                    return true;
                                }
                            }
                            return super.onKeyDown(keyCode, event);
                        }

                        public boolean onKeyUp(int keyCode, KeyEvent event) {
                            switch (keyCode) {
                            case KeyEvent.KEYCODE_BACK:
                                Display.getInstance().keyReleased(AndroidImplementation.DROID_IMPL_KEY_BACK);
                                return true;
                            case KeyEvent.KEYCODE_MENU:
                                //if the native commands are used don't handle the keycode
                                if (Display.getInstance()
                                        .getCommandBehavior() != Display.COMMAND_BEHAVIOR_NATIVE) {
                                    Display.getInstance().keyPressed(AndroidImplementation.DROID_IMPL_KEY_MENU);
                                    return true;
                                }
                            }
                            return super.onKeyUp(keyCode, event);
                        }
                    };
                    wv.setOnTouchListener(new View.OnTouchListener() {

                        @Override
                        public boolean onTouch(View v, MotionEvent event) {
                            switch (event.getAction()) {
                            case MotionEvent.ACTION_DOWN:
                            case MotionEvent.ACTION_UP:
                                if (!v.hasFocus()) {
                                    v.requestFocus();
                                }
                                break;
                            }
                            return false;
                        }
                    });
                    wv.getSettings().setDomStorageEnabled(true);
                    wv.requestFocus(View.FOCUS_DOWN);
                    wv.setFocusableInTouchMode(true);
                    bc[0] = new AndroidImplementation.AndroidBrowserComponent(wv, getActivity(), parent);
                    lock.notify();
                } catch (Throwable t) {
                    error[0] = t;
                    lock.notify();
                }
            }
        }
    });
    while (bc[0] == null && error[0] == null) {
        Display.getInstance().invokeAndBlock(new Runnable() {
            public void run() {
                synchronized (lock) {
                    if (bc[0] == null && error[0] == null) {
                        try {
                            lock.wait(20);
                        } catch (InterruptedException ex) {
                            ex.printStackTrace();
                        }
                    }
                }
            }

        });
    }
    if (error[0] != null) {
        throw new RuntimeException(error[0]);
    }
    return bc[0];
}

From source file:com.appunite.list.AbsHorizontalListView.java

/**
 * What is the distance between the source and destination rectangles given the direction of
 * focus navigation between them? The direction basically helps figure out more quickly what is
 * self evident by the relationship between the rects...
 *
 * @param source the source rectangle/*from www .jav a 2s  .  co m*/
 * @param dest the destination rectangle
 * @param direction the direction
 * @return the distance between the rectangles
 */
static int getDistance(Rect source, Rect dest, int direction) {
    int sX, sY; // source x, y
    int dX, dY; // dest x, y
    switch (direction) {
    case View.FOCUS_RIGHT:
        sX = source.right;
        sY = source.top + source.height() / 2;
        dX = dest.left;
        dY = dest.top + dest.height() / 2;
        break;
    case View.FOCUS_DOWN:
        sX = source.left + source.width() / 2;
        sY = source.bottom;
        dX = dest.left + dest.width() / 2;
        dY = dest.top;
        break;
    case View.FOCUS_LEFT:
        sX = source.left;
        sY = source.top + source.height() / 2;
        dX = dest.right;
        dY = dest.top + dest.height() / 2;
        break;
    case View.FOCUS_UP:
        sX = source.left + source.width() / 2;
        sY = source.top;
        dX = dest.left + dest.width() / 2;
        dY = dest.bottom;
        break;
    case View.FOCUS_FORWARD:
    case View.FOCUS_BACKWARD:
        sX = source.right + source.width() / 2;
        sY = source.top + source.height() / 2;
        dX = dest.left + dest.width() / 2;
        dY = dest.top + dest.height() / 2;
        break;
    default:
        throw new IllegalArgumentException("direction must be one of "
                + "{FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, FOCUS_RIGHT, " + "FOCUS_FORWARD, FOCUS_BACKWARD}.");
    }
    int deltaX = dX - sX;
    int deltaY = dY - sY;
    return deltaY * deltaY + deltaX * deltaX;
}

Example usage for android.view View FOCUS_DOWN

Introduction

Prototype

Document

Usage