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我在刪除以前在SIM卡上創建的聯繫人時遇到問題。無法從SIM卡中刪除聯繫人
首先我檢查存儲哪些值在DB這樣的:
private static final Uri URI_ICC_ADN = Uri.parse("content://icc/adn/");
private ContentResolver mContentResolver = this.getContentResolver();
Cursor c = mContentResolver.query(URI_ICC_ADN, null, null, null, null);
c.moveToFirst();
while(c.moveToNext()) {
Log.i(LOG_TAG, "name = " + c.getString(c.getColumnIndex("name")));
}
這爲我提供了這些日誌:
name = 1
name = 2
name = 3
name = 1
name = 2
name = 5
// etc
這意味着,name = 1
記錄存在D B。現在我想要使用此代碼刪除這些記錄:
int rowsDeleted = mContentResolver.delete(URI_ICC_ADN, "name=?", new String[] { "1" });
但不幸的是這些行不會被刪除 - rowsDeleted
等於0
。我也試過這個:
int rowsDeleted = mContentResolver.delete(URI_ICC_ADN, "name=1", null);
但是結果是一樣的。我究竟做錯了什麼?