Java Cursor.registerDataSetObserver方法代码示例

本文整理汇总了Java中android.database.Cursor.registerDataSetObserver方法的典型用法代码示例。如果您正苦于以下问题：Java Cursor.registerDataSetObserver方法的具体用法？Java Cursor.registerDataSetObserver怎么用？Java Cursor.registerDataSetObserver使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类android.database.Cursor的用法示例。

在下文中一共展示了Cursor.registerDataSetObserver方法的13个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: changeCursor

import android.database.Cursor; //导入方法依赖的package包/类
public void changeCursor(Cursor cursor) {
    if (cursor == mCursor) {
        return;
    }

    if (mCursor != null) {
        mCursor.unregisterContentObserver(mChangeObserver);
        mCursor.unregisterDataSetObserver(mDataSetObserver);
        mCursor.close();
    }
    mCursor = cursor;
    resetCache();
    findGroups();

    if (cursor != null) {
        cursor.registerContentObserver(mChangeObserver);
        cursor.registerDataSetObserver(mDataSetObserver);
        mRowIdColumnIndex = cursor.getColumnIndexOrThrow("_id");
        notifyDataSetChanged();
    } else {
        // notify the observers about the lack of a data set
        notifyDataSetInvalidated();
    }

}

开发者ID:treasure-lau，项目名称:CSipSimple，代码行数:26，代码来源:GroupingListAdapter.java

示例2: init

import android.database.Cursor; //导入方法依赖的package包/类
void init(Context context, Cursor c, int flags) {

        boolean cursorPresent = c != null;
        mCursor = c;
        mDataValid = cursorPresent;
        mContext = context;
        mRowIDColumn = cursorPresent ? c.getColumnIndexOrThrow("_id") : -1;
        if ((flags & FLAG_REGISTER_CONTENT_OBSERVER) == FLAG_REGISTER_CONTENT_OBSERVER) {
            mChangeObserver = new ChangeObserver();
            mDataSetObserver = new MyDataSetObserver();
        } else {
            mChangeObserver = null;
            mDataSetObserver = null;
        }

        if (cursorPresent) {
            if (mChangeObserver != null) c.registerContentObserver(mChangeObserver);
            if (mDataSetObserver != null) c.registerDataSetObserver(mDataSetObserver);
        }
        setHasStableIds(true);
    }

开发者ID:liuyanggithub，项目名称:SuperSelector，代码行数:22，代码来源:RecyclerViewCursorAdapter.java

示例3: swapCursor

import android.database.Cursor; //导入方法依赖的package包/类
public void swapCursor(Cursor newCursor)
{
    if(newCursor == mCursor){
        return;
    }
    Cursor oldCursor = mCursor;
    if(oldCursor != null){
        if(mDataSetObserver != null){
            oldCursor.unregisterDataSetObserver(mDataSetObserver);
        }
    }
    mCursor = newCursor;
    if(newCursor != null){
        if(mDataSetObserver != null){
            newCursor.registerDataSetObserver(mDataSetObserver);
        }
        mRowIDColumn = newCursor.getColumnIndexOrThrow("_id");
        mDataValid = true;
        notifyDataSetChanged();
    }
    else{
        mRowIDColumn = -1;
        mDataValid = false;
        notifyDataSetChanged();
    }
}

开发者ID:piskula，项目名称:FuelUp，代码行数:27，代码来源:RecyclerViewCursorAdapter.java

示例4: init

import android.database.Cursor; //导入方法依赖的package包/类
private void init(Context context, Cursor c, int flags) {
    boolean cursorPresent = c != null;
    mCursor = c;
    mDataValid = cursorPresent;
    mContext = context;
    mRowIDColumn = cursorPresent ? c.getColumnIndexOrThrow("_id") : -1;
    if ((flags & FLAG_REGISTER_CONTENT_OBSERVER) == FLAG_REGISTER_CONTENT_OBSERVER) {
        mChangeObserver = new ChangeObserver();
        mDataSetObserver = new MyDataSetObserver();
    } else {
        mChangeObserver = null;
        mDataSetObserver = null;
    }

    if (cursorPresent) {
        if (mChangeObserver != null) {
            c.registerContentObserver(mChangeObserver);
        }
        if (mDataSetObserver != null) {
            c.registerDataSetObserver(mDataSetObserver);
        }
    }
    setHasStableIds(true);
}

开发者ID:shenhuanet，项目名称:Ocr-android，代码行数:25，代码来源:BaseRecyclerCursorAdapter.java

示例5: CursorRecyclerViewAdapter

import android.database.Cursor; //导入方法依赖的package包/类
protected CursorRecyclerViewAdapter(Context context, Cursor cursor) {
  this.context = context;
  this.cursor = cursor;
  if (cursor != null) {
    valid = true;
    cursor.registerDataSetObserver(observer);
  }
}

开发者ID:XecureIT，项目名称:PeSanKita-android，代码行数:9，代码来源:CursorRecyclerViewAdapter.java

示例6: swapCursor

import android.database.Cursor; //导入方法依赖的package包/类
/**
     * Swap in a new Cursor, returning the old Cursor.  Unlike
     * {@link #changeCursor(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 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");
            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();
//            notifyDataSetInvalidated();
        }
        return oldCursor;
    }

开发者ID:liuyanggithub，项目名称:SuperSelector，代码行数:37，代码来源:RecyclerViewCursorAdapter.java

示例7: init

import android.database.Cursor; //导入方法依赖的package包/类
void init(Context context, Cursor c, int flags) {
    boolean cursorPresent = true;
    if ((flags & 1) == 1) {
        flags |= 2;
        this.mAutoRequery = true;
    } else {
        this.mAutoRequery = false;
    }
    if (c == null) {
        cursorPresent = false;
    }
    this.mCursor = c;
    this.mDataValid = cursorPresent;
    this.mContext = context;
    this.mRowIDColumn = cursorPresent ? c.getColumnIndexOrThrow("_id") : -1;
    if ((flags & 2) == 2) {
        this.mChangeObserver = new ChangeObserver(this);
        this.mDataSetObserver = new MyDataSetObserver(this, null);
    } else {
        this.mChangeObserver = null;
        this.mDataSetObserver = null;
    }
    if (cursorPresent) {
        if (this.mChangeObserver != null) {
            c.registerContentObserver(this.mChangeObserver);
        }
        if (this.mDataSetObserver != null) {
            c.registerDataSetObserver(this.mDataSetObserver);
        }
    }
}

开发者ID:JackChan1999，项目名称:letv，代码行数:32，代码来源:CursorAdapter.java

示例8: swapCursor

import android.database.Cursor; //导入方法依赖的package包/类
public Cursor swapCursor(Cursor newCursor) {
    if (newCursor == this.mCursor) {
        return null;
    }
    Cursor oldCursor = this.mCursor;
    if (oldCursor != null) {
        if (this.mChangeObserver != null) {
            oldCursor.unregisterContentObserver(this.mChangeObserver);
        }
        if (this.mDataSetObserver != null) {
            oldCursor.unregisterDataSetObserver(this.mDataSetObserver);
        }
    }
    this.mCursor = newCursor;
    if (newCursor != null) {
        if (this.mChangeObserver != null) {
            newCursor.registerContentObserver(this.mChangeObserver);
        }
        if (this.mDataSetObserver != null) {
            newCursor.registerDataSetObserver(this.mDataSetObserver);
        }
        this.mRowIDColumn = newCursor.getColumnIndexOrThrow("_id");
        this.mDataValid = true;
        notifyDataSetChanged();
        return oldCursor;
    }
    this.mRowIDColumn = -1;
    this.mDataValid = false;
    notifyDataSetInvalidated();
    return oldCursor;
}

开发者ID:JackChan1999，项目名称:letv，代码行数:32，代码来源:CursorAdapter.java

示例9: init

import android.database.Cursor; //导入方法依赖的package包/类
void init(Context context, Cursor c, int flags) {
    boolean cursorPresent = true;
    if ((flags & 1) == 1) {
        flags |= 2;
        this.mAutoRequery = true;
    } else {
        this.mAutoRequery = false;
    }
    if (c == null) {
        cursorPresent = false;
    }
    this.mCursor = c;
    this.mDataValid = cursorPresent;
    this.mContext = context;
    this.mRowIDColumn = cursorPresent ? c.getColumnIndexOrThrow("_id") : -1;
    if ((flags & 2) == 2) {
        this.mChangeObserver = new ChangeObserver();
        this.mDataSetObserver = new MyDataSetObserver();
    } else {
        this.mChangeObserver = null;
        this.mDataSetObserver = null;
    }
    if (cursorPresent) {
        if (this.mChangeObserver != null) {
            c.registerContentObserver(this.mChangeObserver);
        }
        if (this.mDataSetObserver != null) {
            c.registerDataSetObserver(this.mDataSetObserver);
        }
    }
}

开发者ID:JackChan1999，项目名称:letv，代码行数:32，代码来源:CursorAdapter.java

示例10: init

import android.database.Cursor; //导入方法依赖的package包/类
void init(Cursor c) {
    boolean cursorPresent = c != null;
    mCursor = c;
    mDataValid = cursorPresent;
    mRowIDColumn = cursorPresent ? c.getColumnIndexOrThrow("_id") : -1;

    mChangeObserver = new ChangeObserver();
    mDataSetObserver = new MyDataSetObserver();

    if (cursorPresent) {
        if (mChangeObserver != null) c.registerContentObserver(mChangeObserver);
        if (mDataSetObserver != null) c.registerDataSetObserver(mDataSetObserver);
    }
}

开发者ID:vikasdesale，项目名称:News24x7-news-from-every-part-of-the-world，代码行数:15，代码来源:CursorRecyclerViewAdapter.java

示例11: swapCursor

import android.database.Cursor; //导入方法依赖的package包/类
/**
 * Swap in a new Cursor, returning the old Cursor.  Unlike
 * {@link #changeCursor(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 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");
        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();
        notifyItemRangeRemoved(0, oldCursor.getCount());
    }
    return oldCursor;
}

开发者ID:vikasdesale，项目名称:News24x7-news-from-every-part-of-the-world，代码行数:37，代码来源:CursorRecyclerViewAdapter.java

示例12: swapCursor

import android.database.Cursor; //导入方法依赖的package包/类
/**
     * Swap in a new Cursor, returning the old Cursor.  Unlike
     * {@link #changeCursor(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 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");
            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();
//            notifyDataSetInvalidated();
        }
        return oldCursor;
    }

开发者ID:shenhuanet，项目名称:Ocr-android，代码行数:45，代码来源:BaseRecyclerCursorAdapter.java

示例13: registerDataSetObserver

import android.database.Cursor; //导入方法依赖的package包/类
@Override
public void registerDataSetObserver(DataSetObserver observer) {
    for (Cursor cursor : mCursors) {
        cursor.registerDataSetObserver(observer);
    }
}

开发者ID:philipwhiuk，项目名称:q-mail，代码行数:7，代码来源:MergeCursor.java

注：本文中的android.database.Cursor.registerDataSetObserver方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。