Example usage for android.database CursorWindow putNull

Introduction

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

Prototype

public boolean putNull(int row, int column) 

Source Link

Document

Puts a null value into the field at the specified row and column index.

Usage

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

@Override
public void fillWindow(int position, CursorWindow window) {
    if (position < 0 || position > getCount()) {
        return;//  www  . java 2s  . co  m
    }
    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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