Example usage for android.database Cursor unregisterContentObserver

Introduction

In this page you can find the example usage for android.database Cursor unregisterContentObserver.

Prototype

void unregisterContentObserver(ContentObserver observer);

Source Link

Document

Unregister an observer that has previously been registered with this cursor via #registerContentObserver .

Usage

From source file:com.abcvoipsip.ui.favorites.FavLoader.java

/**
 * Helper function to take care of releasing resources associated with an
 * actively loaded data set.//from w  w  w.j av  a 2 s.  c  om
 */
protected void onReleaseResources(Cursor c) {
    if (c != null) {
        c.unregisterContentObserver(loaderObserver);
        c.close();
    }

    getContext().getContentResolver().unregisterContentObserver(loaderObserver);
}

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From source file:com.csipsimple.ui.account.AccountsLoader.java

/**
 * Helper function to take care of releasing resources associated with an
 * actively loaded data set.//w w w . j  av a  2s  .com
 */
protected void onReleaseResources(Cursor c) {
    if (c != null) {
        c.unregisterContentObserver(loaderObserver);
        c.close();
    }
    if (loadStatus) {
        getContext().getContentResolver().unregisterContentObserver(loaderObserver);
    }
}

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From source file:com.cattle.util.CursorPagerAdapter.java

/**
 * Swap in a new Cursor, returning the old Cursor. Unlike {@link #changeCursor(android.database.Cursor)}, the
 * returned old Cursor is <em>not</em> closed.
 *
 * @param newCursor The new cursor to be used.
 * @return Returns the previously set Cursor, or null if there was not one. If the given new Cursor
 *         is the same instance is the previously set Cursor, null is also returned.
 *//*from   w w w  . j av  a2s .c o  m*/
public Cursor swapCursor(Cursor newCursor) {
    if (newCursor == mCursor) {
        return null;
    }
    Cursor oldCursor = mCursor;
    if (oldCursor != null) {
        if (mChangeObserver != null) {
            oldCursor.unregisterContentObserver(mChangeObserver);
        }
        if (mDataSetObserver != null) {
            oldCursor.unregisterDataSetObserver(mDataSetObserver);
        }
    }
    mCursor = newCursor;
    if (newCursor != null) {
        if (mChangeObserver != null) {
            newCursor.registerContentObserver(mChangeObserver);
        }
        if (mDataSetObserver != null) {
            newCursor.registerDataSetObserver(mDataSetObserver);
        }
        mRowIDColumn = newCursor.getColumnIndexOrThrow("_id");
        mDataValid = true;
        // notify the observers about the new cursor
        notifyDataSetChanged();
    } else {
        mRowIDColumn = -1;
        mDataValid = false;
        // notify the observers about the lack of a data set
        notifyDataSetChanged();
    }
    return oldCursor;
}

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From source file:uk.co.senab.photup.util.CursorPagerAdapter.java

/**
 * Swap in a new Cursor, returning the old Cursor. Unlike
 * {@link #changeCursor(Cursor)}, the returned old Cursor is <em>not</em>
 * closed./* w ww  .j  a  v  a 2s. c o  m*/
 * 
 * @param newCursor
 *            The new cursor to be used.
 * @return Returns the previously set Cursor, or null if there was not one.
 *         If the given new Cursor is the same instance is the previously
 *         set Cursor, null is also returned.
 */
public Cursor swapCursor(Cursor newCursor) {
    if (newCursor == mCursor) {
        return null;
    }
    Cursor oldCursor = mCursor;
    if (oldCursor != null) {
        if (mChangeObserver != null)
            oldCursor.unregisterContentObserver(mChangeObserver);
        if (mDataSetObserver != null)
            oldCursor.unregisterDataSetObserver(mDataSetObserver);
    }
    mCursor = newCursor;
    if (newCursor != null) {
        if (mChangeObserver != null)
            newCursor.registerContentObserver(mChangeObserver);
        if (mDataSetObserver != null)
            newCursor.registerDataSetObserver(mDataSetObserver);
        mRowIDColumn = newCursor.getColumnIndexOrThrow("_id");
        mDataValid = true;
        // notify the observers about the new cursor
        notifyDataSetChanged();
    } else {
        mRowIDColumn = -1;
        mDataValid = false;
        // notify the observers about the lack of a data set
        notifyDataSetChanged();
    }
    return oldCursor;
}

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From source file:com.niveales.library.utils.MyCursorAdapter.java

/**
 * Swap in a new Cursor, returning the old Cursor.  Unlike
 * {@link #changeCursor(Cursor)}, the returned old Cursor is <em>not</em>
 * closed./*from w  ww. ja v  a2 s  .c  o m*/
 *
 * @param newCursor The new cursor to be used.
 * @return Returns the previously set Cursor, or null if there wasa not one.
 * If the given new Cursor is the same instance is the previously set
 * Cursor, null is also returned.
 */
public Cursor swapCursor(Cursor newCursor) {
    if (newCursor == mCursor) {
        return null;
    }
    Cursor oldCursor = mCursor;
    if (oldCursor != null) {
        if (mChangeObserver != null)
            oldCursor.unregisterContentObserver(mChangeObserver);
        if (mDataSetObserver != null)
            oldCursor.unregisterDataSetObserver(mDataSetObserver);
    }
    mCursor = newCursor;
    if (newCursor != null) {
        if (mChangeObserver != null)
            newCursor.registerContentObserver(mChangeObserver);
        if (mDataSetObserver != null)
            newCursor.registerDataSetObserver(mDataSetObserver);
        mRowIDColumn = newCursor.getColumnIndexOrThrow(id_field);
        mDataValid = true;
        // notify the observers about the new cursor
        notifyDataSetChanged();
    } else {
        mRowIDColumn = -1;
        mDataValid = false;
        // notify the observers about the lack of a data set
        notifyDataSetInvalidated();
    }
    return oldCursor;
}

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