Example usage for android.database CursorWindow setNumColumns

Introduction

In this page you can find the example usage for android.database CursorWindow setNumColumns.

Prototype

public boolean setNumColumns(int columnNum) 

Source Link

Document

Sets the number of columns in this window.

Usage

From source file:mobisocial.musubi.provider.IdentityCursorWrapper.java

@Override
public void fillWindow(int position, CursorWindow window) {
    if (position < 0 || position > getCount()) {
        return;//from  w  w w  .j  a  v a 2s.c om
    }
    window.acquireReference();

    try {
        moveToPosition(position - 1);
        window.clear();
        window.setStartPosition(position);
        int columnNum = getColumnCount();
        window.setNumColumns(columnNum);
        while (moveToNext() && window.allocRow()) {
            for (int i = 0; i < columnNum; i++) {
                if (i == colThumb || i == colHash) {
                    byte[] field = getBlob(i);
                    if (!window.putBlob(field, getPosition(), i)) {
                        window.freeLastRow();
                        break;
                    }
                } else {
                    String field = getString(i);
                    if (field != null) {
                        if (!window.putString(field, getPosition(), i)) {
                            window.freeLastRow();
                            break;
                        }
                    } else {
                        if (!window.putNull(getPosition(), i)) {
                            window.freeLastRow();
                            break;
                        }
                    }
                }
            }
        }
    } catch (IllegalStateException e) {
        // simply ignore it
    } finally {
        window.releaseReference();
    }
}

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