这是我得到的错误 致命的例外：主要
for app in NSWorkspace.shared().runningApplications {
let pid = app.processIdentifier
var tai = proc_taskallinfo()
let size = MemoryLayout<proc_taskallinfo>.size
var result = proc_pidinfo(pid, PROC_PIDTASKALLINFO, 0, &tai, Int32(size))
let fileCount: Int32 = Int32(tai.pbsd.pbi_nfiles)
if result <= 0 {
continue
}
var fid = Array(repeating: proc_fdinfo(), count: Int(fileCount))
let fdInfoSize = MemoryLayout<proc_fdinfo>.stride
result = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, &fid, Int32(fdInfoSize) * fileCount)
if result <= 0 {
Swift.print("Error PROC_PIDLISTFDS.")
}
else {
for i in 0.. < Int(result) / fdInfoSize {
let fdp = fid[i]
if fdp.proc_fdtype == UInt32(PROX_FDTYPE_SOCKET) {
var si = socket_fdinfo()
let sizeSi = MemoryLayout<socket_fdinfo>.size
result = proc_pidfdinfo(pid, fdp.proc_fd, PROC_PIDFDSOCKETINFO, &si, Int32(sizeSi))
if result <= 0 {
Swift.print("Error PROC_PIDFDSOCKETINFO: " + errno.description)
}
else {
if si.psi.soi_kind == Int32(SOCKINFO_TCP) {
Swift.print("TCP Socket")
}
}
}
}
}
}
这是属性集 / **************数据库表 COLUMNS ***************************************** /
Process: com.example.yaamu.survey_contentprovider, PID: 17250
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.yaamu.survey_contentprovider/com.example.yaamu.survey_contentprovider.Database_Activitry}: java.lang.IllegalStateException: Couldn't read row 3, col -1 from CursorWindow. Make sure the Cursor is initialized correctly before accessing data from it.
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2665)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2726)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1477)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6119)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
Caused by: java.lang.IllegalStateException: Couldn't read row 3, col -1 from CursorWindow. Make sure the Cursor is initialized correctly before accessing data from it.
at android.database.CursorWindow.nativeGetString(Native Method)
at android.database.CursorWindow.getString(CursorWindow.java:438)
at android.database.AbstractWindowedCursor.getString(AbstractWindowedCursor.java:51)
at android.database.CursorWrapper.getString(CursorWrapper.java:137)
at com.example.yaamu.survey_contentprovider.Database_Activitry.onCreate(Database_Activitry.java:33)
at android.app.Activity.performCreate(Activity.java:6679)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2618)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2726)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1477)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6119)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
表格已创建。
public static final String TABLE_DATABASE = "database_table";
public static final String COLUMN_DB_QUEST_ID = "question_question_id";
public static final String COLUMN_DB_SURVEYID = " survey_id";
public static final String COLUMN_QUESTION = " question_ques";
public static final String COLUMN_TYPE_OF_ANSWER = "type_of_answer";
public static final String COLUMN_IS_VALIDATION = "is_validation";
public static final String COLUMN_ANSWER_TYPE_FILTER = "answer_type_filter";
public static final String COLUMN_IS_REQUIRED = "is_required";
public static final String COLUMN_IS_SHUFFLE = "is_shuffle";
public static final String COLUMN_LINEAR_MIN_VALUE = "linear_min_value";
public static final String COLUMN_LINEAR_MAX_VALUE = "linear_max_value";
public static final String COLUMN_LINEAR_MIN_LABEL = "linear_min_label";
public static final String COLUMN_LINEAR_MAX_LABEL = "linear_max_label";
public static final String COLUMN_RATING_VALUE = "rating_value";
/**********************************************************************************************/
已添加值。它显示在toast消息中，但我无法检索值
我使用了另一个活动来检索值
private static final String DATABASE_TABLE_CREATE = " create table "
+ TABLE_DATABASE + "("
+ COLUMN_DB_QUEST_ID + " integer primary key autoincrement, "
+ COLUMN_DB_SURVEYID + " integer not null, "
+ COLUMN_QUESTION + " text not null, "
+ COLUMN_TYPE_OF_ANSWER + " text not null, "
+ COLUMN_IS_VALIDATION + " boolean, "
+ COLUMN_ANSWER_TYPE_FILTER + " text, "
+ COLUMN_IS_REQUIRED + " boolean not null,"
+ COLUMN_IS_SHUFFLE + " boolean, "
+ COLUMN_LINEAR_MIN_VALUE + " integer, "
+ COLUMN_LINEAR_MAX_VALUE + " integer, "
+ COLUMN_LINEAR_MIN_LABEL + " text,"
+ COLUMN_LINEAR_MAX_LABEL + " text, "
+ COLUMN_RATING_VALUE + " integer );";
谢谢你
答案 0 :(得分：0)
这只是因为在定义列属性COLUMN_DB_SURVEYID和COLUMN_QUESTION时初始化了一个空格。 谢谢你的回复！