android - Why is my onBackup() method for my BackupAgentHelper not being called? -

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i've read through documentation , other questions, guess i'm missing something. backupagent's oncreate being called, not onbackup, when call adb bmgr backup <package> , adb shell bmgr run command line. part of equation missing?

mybackupagent class:

public class mybackupagent extends backupagenthelper {      public mybackupagent() {         log.d("gradetracker.mybackupagent", "oncreate called");         string str = dbadapter.database_name;         filebackuphelper mydb = new filebackuphelper(this, "../databases/" + str);         addhelper(dbadapter.database_name , mydb);      }      @override     public void onbackup(parcelfiledescriptor oldstate, backupdataoutput data,          parcelfiledescriptor newstate) throws ioexception {          log.d("gradetracker.mybackupagent", "onbackup called");              synchronized (dbadapter.dbbackuplockobject) {                     super.onbackup(oldstate, data, newstate);             }     }      @override     public void onrestore(backupdatainput data, int appversioncode,                     parcelfiledescriptor newstate) throws ioexception {              log.d("gradetracker.mybackupagent", "onrestore called");              synchronized (dbadapter.dbbackuplockobject) {                     super.onrestore(data, appversioncode, newstate);             }     } }

in manifest:

<application         android:allowbackup="true"         android:backupagent="mybackupagent" ... <meta-data android:name="com.google.android.backup.api_key"              android:value="<my_key>" />

i registered app android backup services few hours ago, didn't i'd have wait. missing?

turns out code thought running in oncreate() running in constructor. don't have oncreate. >.<


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