Example usage for android.view View focusSearch

Introduction

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

Prototype

public View focusSearch(@FocusRealDirection int direction) 

Source Link

Document

Find the nearest view in the specified direction that can take focus.

Usage

From source file:android.support.v7.widget.BaseRecyclerViewInstrumentationTest.java

public View focusSearch(final View focused, final int direction) throws Throwable {
    final View[] result = new View[1];
    runTestOnUiThread(new Runnable() {
        @Override/*  www.ja  v  a  2s  . co  m*/
        public void run() {
            View view = focused.focusSearch(direction);
            if (view != null && view != focused) {
                view.requestFocus();
            }
            result[0] = view;
        }
    });
    return result[0];
}

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From source file:android.support.v17.leanback.widget.GridWidgetTest.java

public void test27766012() throws Throwable {
    mInstrumentation = getInstrumentation();
    Intent intent = new Intent(mInstrumentation.getContext(), GridActivity.class);
    intent.putExtra(GridActivity.EXTRA_LAYOUT_RESOURCE_ID, R.layout.vertical_linear_with_button_onleft);
    intent.putExtra(GridActivity.EXTRA_CHILD_LAYOUT_ID, R.layout.horizontal_item);
    intent.putExtra(GridActivity.EXTRA_NUM_ITEMS, 2);
    intent.putExtra(GridActivity.EXTRA_STAGGERED, false);
    intent.putExtra(GridActivity.EXTRA_UPDATE_SIZE, false);
    initActivity(intent);//from   w w w  . ja  v  a 2 s . c o m
    mOrientation = BaseGridView.VERTICAL;
    mNumRows = 1;

    // set remove animator two seconds
    mGridView.getItemAnimator().setRemoveDuration(2000);
    final View view = mGridView.getChildAt(1);
    runTestOnUiThread(new Runnable() {
        @Override
        public void run() {
            view.requestFocus();
        }
    });
    assertTrue(view.hasFocus());
    runTestOnUiThread(new Runnable() {
        @Override
        public void run() {
            mActivity.removeItems(0, 2);
        }

    });
    // wait one second, removing second view is still attached to parent
    Thread.sleep(1000);
    assertSame(view.getParent(), mGridView);
    runTestOnUiThread(new Runnable() {
        @Override
        public void run() {
            // refocus to the removed item and do a focus search.
            view.requestFocus();
            view.focusSearch(View.FOCUS_UP);
        }

    });
}

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