android.database.CursorWindow#setNumColumns ( )源码实例Demo

下面列出了android.database.CursorWindow#setNumColumns ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： Zom-Android-XMPP 文件： ImpsProvider.java

@Override
public void fillWindow(int position, CursorWindow window) {
    if (position < 0 || position > getCount()) {
        return;
    }
    window.acquireReference();
    try {
        moveToPosition(position - 1);
        window.clear();
        window.setStartPosition(position);
        int columnNum = getColumnCount();
        window.setNumColumns(columnNum);
        boolean isFull = false;
        int numRows = 10;

        while (!isFull && --numRows > 0 && moveToNext() && window.allocRow()) {
            for (int i = 0; i < columnNum; i++) {
                String field = getString(i);
                if (field != null) {
                    if (!window.putString(field, getPosition(), i)) {
                        window.freeLastRow();
                        isFull = true;
                        break;
                    }
                } else {
                    if (!window.putNull(getPosition(), i)) {
                        window.freeLastRow();
                        isFull = true;
                        break;
                    }
                }
            }
        }
    } catch (IllegalStateException e) {
        // simply ignore it
    } finally {
        window.releaseReference();
    }
}

源代码2 项目： delion 文件： SQLiteCursor.java

@Override
public void fillWindow(int position, CursorWindow window) {
    if (position < 0 || position > getCount()) {
        return;
    }
    window.acquireReference();
    try {
        int oldpos = getPosition();
        moveToPosition(position - 1);
        window.clear();
        window.setStartPosition(position);
        int columnNum = getColumnCount();
        window.setNumColumns(columnNum);
        while (moveToNext() && window.allocRow()) {
            int pos = getPosition();
            for (int i = 0; i < columnNum; i++) {
                boolean hasRoom = true;
                switch (getColumnType(i)) {
                    case Types.DOUBLE:
                        hasRoom = fillRow(window, Double.valueOf(getDouble(i)), pos, i);
                        break;
                    case Types.NUMERIC:
                        hasRoom = fillRow(window, Long.valueOf(getLong(i)), pos, i);
                        break;
                    case Types.BLOB:
                        hasRoom = fillRow(window, getBlob(i), pos, i);
                        break;
                    case Types.LONGVARCHAR:
                        hasRoom = fillRow(window, getString(i), pos, i);
                        break;
                    case Types.NULL:
                        hasRoom = fillRow(window, null, pos, i);
                        break;
                    default:
                        // Ignore an unknown type.
                }
                if (!hasRoom) {
                    break;
                }
            }
        }
        moveToPosition(oldpos);
    } catch (IllegalStateException e) {
        // simply ignore it
    } finally {
        window.releaseReference();
    }
}

源代码3 项目： AndroidChromium 文件： SQLiteCursor.java

@Override
public void fillWindow(int position, CursorWindow window) {
    if (position < 0 || position > getCount()) {
        return;
    }
    window.acquireReference();
    try {
        int oldpos = getPosition();
        moveToPosition(position - 1);
        window.clear();
        window.setStartPosition(position);
        int columnNum = getColumnCount();
        window.setNumColumns(columnNum);
        while (moveToNext() && window.allocRow()) {
            int pos = getPosition();
            for (int i = 0; i < columnNum; i++) {
                boolean hasRoom = true;
                switch (getColumnType(i)) {
                    case Types.DOUBLE:
                        hasRoom = fillRow(window, Double.valueOf(getDouble(i)), pos, i);
                        break;
                    case Types.NUMERIC:
                        hasRoom = fillRow(window, Long.valueOf(getLong(i)), pos, i);
                        break;
                    case Types.BLOB:
                        hasRoom = fillRow(window, getBlob(i), pos, i);
                        break;
                    case Types.LONGVARCHAR:
                        hasRoom = fillRow(window, getString(i), pos, i);
                        break;
                    case Types.NULL:
                        hasRoom = fillRow(window, null, pos, i);
                        break;
                    default:
                        // Ignore an unknown type.
                }
                if (!hasRoom) {
                    break;
                }
            }
        }
        moveToPosition(oldpos);
    } catch (IllegalStateException e) {
        // simply ignore it
    } finally {
        window.releaseReference();
    }
}

源代码4 项目： 365browser 文件： SQLiteCursor.java

@Override
public void fillWindow(int position, CursorWindow window) {
    if (position < 0 || position > getCount()) {
        return;
    }
    window.acquireReference();
    try {
        int oldpos = getPosition();
        moveToPosition(position - 1);
        window.clear();
        window.setStartPosition(position);
        int columnNum = getColumnCount();
        window.setNumColumns(columnNum);
        while (moveToNext() && window.allocRow()) {
            int pos = getPosition();
            for (int i = 0; i < columnNum; i++) {
                boolean hasRoom = true;
                switch (getColumnType(i)) {
                    case Types.DOUBLE:
                        hasRoom = fillRow(window, Double.valueOf(getDouble(i)), pos, i);
                        break;
                    case Types.NUMERIC:
                        hasRoom = fillRow(window, Long.valueOf(getLong(i)), pos, i);
                        break;
                    case Types.BLOB:
                        hasRoom = fillRow(window, getBlob(i), pos, i);
                        break;
                    case Types.LONGVARCHAR:
                        hasRoom = fillRow(window, getString(i), pos, i);
                        break;
                    case Types.NULL:
                        hasRoom = fillRow(window, null, pos, i);
                        break;
                    default:
                        // Ignore an unknown type.
                }
                if (!hasRoom) {
                    break;
                }
            }
        }
        moveToPosition(oldpos);
    } catch (IllegalStateException e) {
        // simply ignore it
    } finally {
        window.releaseReference();
    }
}

源代码5 项目： android-chromium 文件： SQLiteCursor.java

@Override
public void fillWindow(int position, CursorWindow window) {
    if (position < 0 || position > getCount()) {
        return;
    }
    window.acquireReference();
    try {
        int oldpos = mPos;
        mPos = position - 1;
        window.clear();
        window.setStartPosition(position);
        int columnNum = getColumnCount();
        window.setNumColumns(columnNum);
        while (moveToNext() && window.allocRow()) {
            for (int i = 0; i < columnNum; i++) {
                boolean hasRoom = true;
                switch (getColumnType(i)) {
                    case Types.DOUBLE:
                        hasRoom = fillRow(window, Double.valueOf(getDouble(i)), mPos, i);
                        break;
                    case Types.NUMERIC:
                        hasRoom = fillRow(window, Long.valueOf(getLong(i)), mPos, i);
                        break;
                    case Types.BLOB:
                        hasRoom = fillRow(window, getBlob(i), mPos, i);
                        break;
                    case Types.LONGVARCHAR:
                        hasRoom = fillRow(window, getString(i), mPos, i);
                        break;
                    case Types.NULL:
                        hasRoom = fillRow(window, null, mPos, i);
                        break;
                }
                if (!hasRoom) {
                    break;
                }
            }
        }
        mPos = oldpos;
    } catch (IllegalStateException e) {
        // simply ignore it
    } finally {
        window.releaseReference();
    }
}

源代码6 项目： android-chromium 文件： SQLiteCursor.java

@Override
public void fillWindow(int position, CursorWindow window) {
    if (position < 0 || position > getCount()) {
        return;
    }
    window.acquireReference();
    try {
        int oldpos = mPos;
        mPos = position - 1;
        window.clear();
        window.setStartPosition(position);
        int columnNum = getColumnCount();
        window.setNumColumns(columnNum);
        while (moveToNext() && window.allocRow()) {
            for (int i = 0; i < columnNum; i++) {
                boolean hasRoom = true;
                switch (getColumnType(i)) {
                    case Types.DOUBLE:
                        hasRoom = fillRow(window, Double.valueOf(getDouble(i)), mPos, i);
                        break;
                    case Types.NUMERIC:
                        hasRoom = fillRow(window, Long.valueOf(getLong(i)), mPos, i);
                        break;
                    case Types.BLOB:
                        hasRoom = fillRow(window, getBlob(i), mPos, i);
                        break;
                    case Types.LONGVARCHAR:
                        hasRoom = fillRow(window, getString(i), mPos, i);
                        break;
                    case Types.NULL:
                        hasRoom = fillRow(window, null, mPos, i);
                        break;
                }
                if (!hasRoom) {
                    break;
                }
            }
        }
        mPos = oldpos;
    } catch (IllegalStateException e) {
        // simply ignore it
    } finally {
        window.releaseReference();
    }
}

方法所在类

android.database.CursorWindow