ListView內存問題

Question

我正在使用listview來存儲更多50個項目到listview它的工作，但插入第20項後，在這樣的日誌貓中顯示的錯誤。

08-02 12:50:34.646: E/CursorWindow(5245): not growing since there are already 16 row(s), max size 1048576 
08-02 12:50:34.646: E/Cursor(5245): Failed allocating 69485 bytes for text/blob at 24,8 
08-02 12:50:34.695: D/Cursor(5245): finish_program_and_get_row_count row 25 
08-02 12:50:35.365: E/CursorWindow(5245): need to grow: mSize = 1048576, size = 69485, freeSpace() = 9795, numRows = 16 
08-02 12:50:35.365: E/CursorWindow(5245): not growing since there are already 16 row(s), max size 1048576 
08-02 12:50:35.365: E/Cursor(5245): Failed allocating 69485 bytes for text/blob at 23,8 
08-02 12:50:35.396: D/Cursor(5245): finish_program_and_get_row_count row 26 
08-02 12:50:35.896: D/Cursor(5245): skip_rows row 7 
08-02 12:50:35.905: E/CursorWindow(5245): need to grow: mSize = 1048576, size = 69485, 
freeSpace() = 9795, numRows = 16 
08-02 12:50:35.905: E/CursorWindow(5245): not growing since there are already 16 row(s), max size 1048576 
08-02 12:50:35.905: E/Cursor(5245): Failed allocating 69485 bytes for text/blob at 22,8 
08-02 12:50:35.936: D/Cursor(5245): finish_program_and_get_row_count row 27 
08-02 12:50:36.425: D/Cursor(5245): skip_rows row 6 
08-02 12:50:36.436: E/CursorWindow(5245): need to grow: mSize = 1048576, size = 69485, 
freeSpace() = 9795, numRows = 16 

並且該應用程序的加載速度也很慢。幫我。

Answer 1

答案是，我們無法從單個Cursor中的sqlite db加載超過1 MB的數據。所以必須避免將大數據加載到列表項中。備用解決方案保留大量數據的任何唯一ID並通過onClick List項目（爲我工作）將其稱爲單個數據。

而最好的解決方案是使用CursorJoiner，並按照這個鏈接

how to load more than 1 MB data from sqlite db to android cursor?

Android SQL Lite fail to grow