android.app.ActivityOptions#toBundle ( )源码实例Demo

public void toLogin(View v) {

        final android.util.Pair[] pairs =
                TransitionHelper.createSafeTransitionParticipants
                        (
                                activity,
                                false,
                                new android.util.Pair<>(v, LoginActivity.VIEW_TOOLBAR_TITLE)
                        );

        if ((v != null) && (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP)) {
            ActivityOptions sceneTransitionAnimation = ActivityOptions
                    .makeSceneTransitionAnimation(activity, pairs);

            final Bundle transitionBundle = sceneTransitionAnimation.toBundle();
            Intent loginLollipopIntent = new Intent(activity, LoginActivity.class);
            ActivityCompat.startActivity(activity, loginLollipopIntent, transitionBundle);
        } else {
            Intent loginIntent = new Intent(activity, LoginActivity.class);
            ActivityCompat.startActivity(activity, loginIntent, null);
            activity.overridePendingTransition(0, 0);
        }

    }
 

/**
 * Merges two activity options into one, with {@code options2} taking precedence in case of a
 * conflict.
 */
@VisibleForTesting
@Nullable ActivityOptions mergeActivityOptions(@Nullable ActivityOptions options1,
        @Nullable ActivityOptions options2) {
    if (options1 == null) {
        return options2;
    }
    if (options2 == null) {
        return options1;
    }
    final Bundle b1 = options1.toBundle();
    final Bundle b2 = options2.toBundle();
    b1.putAll(b2);
    return ActivityOptions.fromBundle(b1);
}
 

/**
 * Creates an ActivityOptions Bundle with basic options and the LaunchDisplayId set.
 * @param displayId The id of the display to launch into.
 * @return The created bundle, or null if unsupported.
 */
public static Bundle createLaunchDisplayIdActivityOptions(int displayId) {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) return null;

    ActivityOptions options = ActivityOptions.makeBasic();
    options.setLaunchDisplayId(displayId);
    return options.toBundle();
}
 

private static Bundle getActivityOptionsBundle(Context context,
                                               ApplicationType applicationType,
                                               View view,
                                               int left,
                                               int top,
                                               int right,
                                               int bottom) {
    ActivityOptions options = getActivityOptions(context, applicationType, view);
    if(options == null) return null;

    if(Build.VERSION.SDK_INT < Build.VERSION_CODES.N)
        return options.toBundle();

    return options.setLaunchBounds(new Rect(left, top, right, bottom)).toBundle();
}
 

private Bundle getActivityAnimationOpts(View view) {
    Bundle bundle = null;
    if (view == null) {
        return null;
    }

    ActivityOptions options = null;
    if (VERSION.SDK_INT >= 23) {
        int left = 0;
        int top = 0;
        int width = view.getMeasuredWidth();
        int height = view.getMeasuredHeight();
        if (view instanceof AppItemView) {
            width = (int) ((AppItemView) view).getIconSize();
            left = (int) ((AppItemView) view).getDrawIconLeft();
            top = (int) ((AppItemView) view).getDrawIconTop();
        }
        options = ActivityOptions.makeClipRevealAnimation(view, left, top, width, height);
    } else if (VERSION.SDK_INT < 21) {
        options = ActivityOptions.makeScaleUpAnimation(view, 0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
    }

    if (options != null) {
        bundle = options.toBundle();
    }

    return bundle;
}