Android 查询联系人数据库中的电子邮件时出现语法错误
我试图在联系人数据库中搜索电子邮件地址,如果找到了,则获取此人的联系人ID,但每次尝试时都会出现语法错误Android 查询联系人数据库中的电子邮件时出现语法错误,android,sqlite,contacts,syntax-error,Android,Sqlite,Contacts,Syntax Error,我试图在联系人数据库中搜索电子邮件地址,如果找到了,则获取此人的联系人ID,但每次尝试时都会出现语法错误 01-03 17:15:10.574: E/AndroidRuntime(7907): java.lang.RuntimeException: Unable to start receiver com.app.notifyme.GmailReciever: android.database.sqlite.SQLiteException: near "@gmail": syntax error
01-03 17:15:10.574: E/AndroidRuntime(7907): java.lang.RuntimeException: Unable to start receiver com.app.notifyme.GmailReciever: android.database.sqlite.SQLiteException: near "@gmail": syntax error: , while compiling: SELECT raw_contact_id FROM view_data data WHERE (1) AND ((data1=johnsmith@gmail.com))
01-03 17:15:10.574: E/AndroidRuntime(7907): at android.app.ActivityThread.handleReceiver(ActivityThread.java:2125)
01-03 17:15:10.574: E/AndroidRuntime(7907): at android.app.ActivityThread.access$1500(ActivityThread.java:122)
01-03 17:15:10.574: E/AndroidRuntime(7907): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
01-03 17:15:10.574: E/AndroidRuntime(7907): at android.os.Handler.dispatchMessage(Handler.java:99)
01-03 17:15:10.574: E/AndroidRuntime(7907): at android.os.Looper.loop(Looper.java:137)
01-03 17:15:10.574: E/AndroidRuntime(7907): at android.app.ActivityThread.main(ActivityThread.java:4340)
01-03 17:15:10.574: E/AndroidRuntime(7907): at java.lang.reflect.Method.invokeNative(Native Method)
01-03 17:15:10.574: E/AndroidRuntime(7907): at java.lang.reflect.Method.invoke(Method.java:511)
01-03 17:15:10.574: E/AndroidRuntime(7907): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
01-03 17:15:10.574: E/AndroidRuntime(7907): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
01-03 17:15:10.574: E/AndroidRuntime(7907): at dalvik.system.NativeStart.main(Native Method)
01-03 17:15:10.574: E/AndroidRuntime(7907): Caused by: android.database.sqlite.SQLiteException: near "@gmail": syntax error: , while compiling: SELECT raw_contact_id FROM view_data data WHERE (1) AND ((data1=jtopor0910@gmail.com))
01-03 17:15:10.574: E/AndroidRuntime(7907): at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:179)
01-03 17:15:10.574: E/AndroidRuntime(7907): at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:135)
01-03 17:15:10.574: E/AndroidRuntime(7907): at android.content.ContentProviderProxy.query(ContentProviderNative.java:358)
01-03 17:15:10.574: E/AndroidRuntime(7907): at android.content.ContentResolver.query(ContentResolver.java:310)
01-03 17:15:10.574: E/AndroidRuntime(7907): at com.app.notifyme.GmailReciever.createNotification(GmailReciever.java:362)
01-03 17:15:10.574: E/AndroidRuntime(7907): at com.app.notifyme.GmailReciever.onReceive(GmailReciever.java:111)
01-03 17:15:10.574: E/AndroidRuntime(7907): at android.app.ActivityThread.handleReceiver(ActivityThread.java:2118)
这是我的问题
Cursor contact = context.getContentResolver().query(Data.CONTENT_URI,new String[] {Data.RAW_CONTACT_ID},Data.DATA1 + "=" + from,null,null);
我的语法有什么问题?它是否与
@
有关?尝试在电子邮件周围加引号,即将方法调用中的第三个参数更改为
Data.DATA1 + "='" + from + "'"
尝试在电子邮件周围加引号,即将方法调用中的第三个参数更改为
Data.DATA1 + "='" + from + "'"
以利亚回答:
Data.DATA1+“=”+from+“”
。。。好。。。工程(呵呵)
问题。。。如果中的包含'
,该怎么办
对于这个问题(以及更好/一般的答案),我们可以使用:
Cursor contact=context.getContentResolver().query(Data.CONTENT\u URI,新字符串[]{Data.RAW\u contact\u ID},Data.DATA1+“=?”,新字符串[]{from},null)代码>
selection=Data.DATA1+“=?”和selectionArgs=新字符串[]{from}(改为null)以利亚回答:Data.DATA1+“=”“+from+”
。。。好。。。工程(呵呵)
问题。。。如果
中的包含'
,该怎么办
对于这个问题(以及更好/一般的答案),我们可以使用:
Cursor contact=context.getContentResolver().query(Data.CONTENT\u URI,新字符串[]{Data.RAW\u contact\u ID},Data.DATA1+“=?”,新字符串[]{from},null)代码>
selection=Data.DATA1+“=?”和selectionArgs=新字符串[]{from}(改为null)