我有一個廣播接收器,一旦安裝了應用程序就從playstore接收引用者ID,然後應該寫入文件,以便用戶首次登錄時發送到我的web服務,然後獎勵引用者。廣播接收器和活動SharedPreferences不寫入同一文件?
我面臨的問題是,在活動中,SharedPreferences總是返回一個null值,當我嘗試拉取值時,但是在接收器上,我通過在推送值後直接拉取值來測試。
我試過了。
getSharedPreferences("referral", MODE_PRIVATE);
PreferenceManager.getDefaultSharedPreferences(this);
getSharedPreferences(context.getPackageName() + "_preferences", MODE_PRIVATE);
他們不過不處於工作狀態,而在這一點上不知道該怎麼辦了,我也從以下嘗試答案: getDefaultSharedPreferences in a BroadcastReceiver Shared preferences inside broadcastreceiver Android: using sharedPreferences in a broadcast receiver getDefaultSharedPreferences in a BroadcastReceiver 但非爲我工作。
接收機
public class ReferralReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Bundle extras = intent.getExtras();
String referrerString = extras.getString("referrer");
SharedPreferences sharedPref = context.getSharedPreferences("referral_pref", MODE_PRIVATE);
sharedPref.edit().putString("referrer", referrerString).apply();
Log.e("TEST", "Referrer is: " + referrerString + " | " + sharedPref.getString("referrer","null" +
"") + " | " + context.getClass().getSimpleName());
}
}
活動
String referrer = getSharedPreferences("referral_pref", MODE_PRIVATE).getString("referral", "null");
Log.e("test", referrer + " was ref");
的logcat的
06-01 10:19:27.011 15963-15963 E/TEST: Referrer is: test | test | ReceiverRestrictedContext
06-01 10:19:32.906 15963-15963 E/test: null was ref