Examples with Button android.widget.Button used on opensource projects

Example 61 with Button

use of android.widget.Button in project platform_frameworks_base by android.

the class ScrollViewButtonsAndLabels method onCreate.

@Override
protected void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.scrollview_linear_layout);
    // estimated ratio to get enough buttons so a couple are off screen
    int screenHeight = getWindowManager().getDefaultDisplay().getHeight();
    mNumGroups = screenHeight / 30;
    mScrollView = (ScrollView) findViewById(R.id.scrollView);
    mLinearLayout = (LinearLayout) findViewById(R.id.layout);
    LinearLayout.LayoutParams p = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
    for (int i = 0; i < mNumGroups; i++) {
        // want button to be first and last
        if (i > 0) {
            TextView textView = new TextView(this);
            textView.setText("Text View " + i);
            mLinearLayout.addView(textView, p);
        }
        Button button = new Button(this);
        button.setText("Button " + (i + 1));
        mLinearLayout.addView(button, p);
    }
}

Example 62 with Button

use of android.widget.Button in project platform_frameworks_base by android.

the class ScrollViewButtonsAndLabelsTest method findFirstButtonOffScreenTop2Bottom.

// search from top to bottom for the first button off screen
private int findFirstButtonOffScreenTop2Bottom() {
    int[] origin = { 0, 0 };
    mScrollView.getLocationOnScreen(origin);
    int screenHeight = mScrollView.getHeight();
    for (int i = 0; i < getActivity().getNumButtons(); i++) {
        int[] buttonLoc = { 0, 0 };
        Button button = getActivity().getButton(i);
        button.getLocationOnScreen(buttonLoc);
        if (buttonLoc[1] - origin[1] > screenHeight) {
            return i;
        }
    }
    fail("couldn't find first button off screen");
    // this won't execute, but the compiler needs it
    return -1;
}

Example 63 with Button

use of android.widget.Button in project platform_frameworks_base by android.

the class ScrollViewButtonsAndLabelsTest method testArrowScrollDownOffScreenVerticalFadingEdge.

// moving down to something off screen should move the element
// onto the screen just above the vertical fading edge
@LargeTest
public void testArrowScrollDownOffScreenVerticalFadingEdge() {
    int offScreenIndex = findFirstButtonOffScreenTop2Bottom();
    Button firstButtonOffScreen = getActivity().getButton(offScreenIndex);
    for (int i = 0; i < offScreenIndex; i++) {
        sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
    }
    getInstrumentation().waitForIdleSync();
    assertTrue(firstButtonOffScreen.hasFocus());
    assertTrue("the button we've moved to off screen must not be the last " + "button in the scroll view for this test to work (since we " + "are expecting the fading edge to be there).", offScreenIndex < getActivity().getNumButtons());
    // now we are at the first button off screen
    int[] buttonLoc = { 0, 0 };
    firstButtonOffScreen.getLocationOnScreen(buttonLoc);
    int buttonBottom = buttonLoc[1] + firstButtonOffScreen.getHeight();
    int verticalFadingEdgeLength = mScrollView.getVerticalFadingEdgeLength();
    assertEquals("bottom of button should be verticalFadingEdgeLength " + "above the bottom of the screen", buttonBottom, mScreenBottom - verticalFadingEdgeLength);
}

Example 64 with Button

use of android.widget.Button in project platform_frameworks_base by android.

the class ScrollViewButtonsAndLabelsTest method findFirstButtonOffScreenBottom2Top.

private int findFirstButtonOffScreenBottom2Top() {
    int[] origin = { 0, 0 };
    mScrollView.getLocationOnScreen(origin);
    for (int i = getActivity().getNumButtons() - 1; i >= 0; i--) {
        int[] buttonLoc = { 0, 0 };
        Button button = getActivity().getButton(i);
        button.getLocationOnScreen(buttonLoc);
        if (buttonLoc[1] < 0) {
            return i;
        }
    }
    fail("couldn't find first button off screen");
    // this won't execute, but the compiler needs it
    return -1;
}

Example 65 with Button

use of android.widget.Button in project platform_frameworks_base by android.

the class ScrollViewButtonsAndLabelsTest method testArrowScrollDownToBottomElementOnScreen.

// there should be no offset for vertical fading edge
// if the item is the last one on screen
@LargeTest
public void testArrowScrollDownToBottomElementOnScreen() {
    int numGroups = getActivity().getNumButtons();
    Button lastButton = getActivity().getButton(numGroups - 1);
    assertEquals("button needs to be at the very bottom of the layout for " + "this test to work", mLinearLayout.getHeight(), lastButton.getBottom());
    // move down to last button
    for (int i = 0; i < numGroups; i++) {
        sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
    }
    getInstrumentation().waitForIdleSync();
    assertTrue("last button should have focus", lastButton.hasFocus());
    int[] buttonLoc = { 0, 0 };
    lastButton.getLocationOnScreen(buttonLoc);
    int buttonBottom = buttonLoc[1] + lastButton.getHeight();
    assertEquals("button should be at very bottom of screen", mScreenBottom, buttonBottom);
}