Example usage for android.widget GridLayout getChildAt

Introduction

In this page you can find the example usage for android.widget GridLayout getChildAt.

Prototype

public View getChildAt(int index) 

Source Link

Document

Returns the view at the specified position in the group.

Usage

From source file:com.retroteam.studio.retrostudio.EditorLandscape.java

/**
 * Find a measure view object by its coordinates.
 * @param row// w w w.ja  v  a 2s  .  c o m
 * @param column
 * @return
 */

private View findMeasureByCoords(int row, int column) {

    LinearLayout track_layout = (LinearLayout) findViewById(R.id.track_layout);
    //
    HorizontalScrollView track_container = (HorizontalScrollView) track_layout.getChildAt(row + 1);
    GridLayout track = (GridLayout) track_container.getChildAt(0);

    int numChildren = track.getChildCount();
    for (int i = 0; i < numChildren; i++) {
        View child = track.getChildAt(i);
        if (child.getTag(R.id.TAG_ROW) == row && child.getTag(R.id.TAG_COLUMN) == column) {
            return child;
        }
    }
    return null;
}

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From source file:com.retroteam.studio.retrostudio.EditorLandscape.java

/**
 * Iterate through all the measures and return a list of measure tag group objects.
 * The list is serialized out to the .retro project file.
 * @return ArrayList<MeasureTagGroup>
 */// w w  w  .ja  v a  2  s.com

private ArrayList<MeasureTagGroup> getMeasureTags() {

    ArrayList<MeasureTagGroup> mtaglist = new ArrayList<>();

    LinearLayout track_layout = (LinearLayout) findViewById(R.id.track_layout);

    //iterate through all the measures
    for (int t = 0; t < track_layout.getChildCount(); t++) {
        //get hscrollview
        HorizontalScrollView hchild = (HorizontalScrollView) track_layout.getChildAt(t);
        for (int h = 0; h < hchild.getChildCount(); h++) {
            //get gridlayout
            GridLayout gchild = (GridLayout) hchild.getChildAt(h);
            for (int g = 0; g < gchild.getChildCount(); g++) {
                //get measure
                if (gchild.getChildAt(g) instanceof ImageView) {
                    ImageView ivchild = (ImageView) gchild.getChildAt(g);
                    Drawable measureFill = ivchild.getDrawable();
                    if (measureFill.getConstantState()
                            .equals(ContextCompat
                                    .getDrawable(getApplicationContext(), R.drawable.measure_new_empty)
                                    .getConstantState())) {
                        mtaglist.add(new MeasureTagGroup((int) ivchild.getTag(R.id.TAG_ROW),
                                (int) ivchild.getTag(R.id.TAG_COLUMN), false,
                                (int) ivchild.getTag(R.id.TAG_GUISNAP),
                                (ArrayList<int[]>) ivchild.getTag(R.id.TAG_FILLED_NOTES)));
                    } else if (measureFill.getConstantState()
                            .equals(ContextCompat
                                    .getDrawable(getApplicationContext(), R.drawable.measure_new_filled)
                                    .getConstantState())) {
                        mtaglist.add(new MeasureTagGroup((int) ivchild.getTag(R.id.TAG_ROW),
                                (int) ivchild.getTag(R.id.TAG_COLUMN), true,
                                (int) ivchild.getTag(R.id.TAG_GUISNAP),
                                (ArrayList<int[]>) ivchild.getTag(R.id.TAG_FILLED_NOTES)));
                    }
                }

            }
        }
    }

    return mtaglist;
}

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