Example usage for android.view View setWillNotDraw

Introduction

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

Prototype

public void setWillNotDraw(boolean willNotDraw) 

Source Link

Document

If this view doesn't do any drawing on its own, set this flag to allow further optimizations.

Usage

From source file:io.plaidapp.core.ui.transitions.ReflowText.java

@Override
public Animator createAnimator(ViewGroup sceneRoot, TransitionValues startValues, TransitionValues endValues) {

    if (startValues == null || endValues == null)
        return null;

    final View view = endValues.view;
    AnimatorSet transition = new AnimatorSet();
    ReflowData startData = (ReflowData) startValues.values.get(PROPNAME_DATA);
    ReflowData endData = (ReflowData) endValues.values.get(PROPNAME_DATA);
    duration = calculateDuration(startData.bounds, endData.bounds);

    // create layouts & capture a bitmaps of the text in both states
    // (with max lines variants where needed)
    Layout startLayout = createLayout(startData, sceneRoot.getContext(), false);
    Layout endLayout = createLayout(endData, sceneRoot.getContext(), false);
    Layout startLayoutMaxLines = null;/*from w w  w .j  a  va  2s  . c  om*/
    Layout endLayoutMaxLines = null;
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { // StaticLayout maxLines support
        if (startData.maxLines != -1) {
            startLayoutMaxLines = createLayout(startData, sceneRoot.getContext(), true);
        }
        if (endData.maxLines != -1) {
            endLayoutMaxLines = createLayout(endData, sceneRoot.getContext(), true);
        }
    }
    final Bitmap startText = createBitmap(startData,
            startLayoutMaxLines != null ? startLayoutMaxLines : startLayout);
    final Bitmap endText = createBitmap(endData, endLayoutMaxLines != null ? endLayoutMaxLines : endLayout);

    // temporarily turn off clipping so we can draw outside of our bounds don't draw
    view.setWillNotDraw(true);
    ((ViewGroup) view.getParent()).setClipChildren(false);

    // calculate the runs of text to move together
    List<Run> runs = getRuns(startData, startLayout, startLayoutMaxLines, endData, endLayout,
            endLayoutMaxLines);

    // create animators for moving, scaling and fading each run of text
    transition.playTogether(createRunAnimators(view, startData, endData, startText, endText, runs));

    if (!freezeFrame) {
        transition.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                // clean up
                view.setWillNotDraw(false);
                view.getOverlay().clear();
                ((ViewGroup) view.getParent()).setClipChildren(true);
                startText.recycle();
                endText.recycle();
            }
        });
    }
    return transition;
}

---

From source file:org.mozilla.gecko.GeckoApp.java

void addPluginView(final View view, final int x, final int y, final int w, final int h, final String metadata) {
    mMainHandler.post(new Runnable() {
        public void run() {
            PluginLayoutParams lp;/*w ww  .j a va  2  s .c o  m*/

            Tabs tabs = Tabs.getInstance();
            Tab tab = tabs.getSelectedTab();

            if (tab == null)
                return;

            ViewportMetrics targetViewport = mLayerController.getViewportMetrics();
            ViewportMetrics pluginViewport;

            try {
                JSONObject viewportObject = new JSONObject(metadata);
                pluginViewport = new ViewportMetrics(viewportObject);
            } catch (JSONException e) {
                Log.e(LOGTAG, "Bad viewport metadata: ", e);
                return;
            }

            if (mPluginContainer.indexOfChild(view) == -1) {
                lp = new PluginLayoutParams(x, y, w, h, pluginViewport);

                view.setWillNotDraw(false);
                if (view instanceof SurfaceView) {
                    SurfaceView sview = (SurfaceView) view;

                    sview.setZOrderOnTop(false);
                    sview.setZOrderMediaOverlay(true);
                }

                mPluginContainer.addView(view, lp);
                tab.addPluginView(view);
            } else {
                lp = (PluginLayoutParams) view.getLayoutParams();
                lp.reset(x, y, w, h, pluginViewport);
                lp.reposition(targetViewport);
                try {
                    mPluginContainer.updateViewLayout(view, lp);
                    view.setVisibility(View.VISIBLE);
                } catch (IllegalArgumentException e) {
                    Log.i(LOGTAG, "e:" + e);
                    // it can be the case where we
                    // get an update before the view
                    // is actually attached.
                }
            }
        }
    });
}

---