NumberFormatException and can never open the setting page anymore #285
Description
This exception was found on the master (v1.4.0, the latest code version) and a Google Android phone.
STR: Go to setting, click Location Service, choose Network, open Update period, delete the default value "5" (leave the EditText empty), and click OK.
The exception trace:
java.lang.NumberFormatException: Invalid int: ""
at java.lang.Integer.invalidInt(Integer.java:138)
at java.lang.Integer.parseInt(Integer.java:358)
at java.lang.Integer.parseInt(Integer.java:334)
at de.rampro.activitydiary.ui.settings.SettingsActivity.updateLocationAge(SettingsActivity.java:238)
at de.rampro.activitydiary.ui.settings.SettingsActivity.onSharedPreferenceChanged(SettingsActivity.java:135)
at android.app.SharedPreferencesImpl$EditorImpl.notifyListeners(SharedPreferencesImpl.java:479)
at android.app.SharedPreferencesImpl$EditorImpl.apply(SharedPreferencesImpl.java:387)
at android.support.v7.preference.Preference.tryCommit(Preference.java:1613)
at android.support.v7.preference.Preference.persistString(Preference.java:1644)
at android.support.v7.preference.EditTextPreference.setText(EditTextPreference.java:69)
at android.support.v7.preference.EditTextPreferenceDialogFragmentCompat.onDialogClosed(EditTextPreferenceDialogFragmentCompat.java:96)
at android.support.v7.preference.PreferenceDialogFragmentCompat.onDismiss(PreferenceDialogFragmentCompat.java:270)
at android.app.Dialog$ListenersHandler.handleMessage(Dialog.java:1323)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Once this issue happens, the setting page cannot be opened, and the app crashes with the exception trace below.
java.lang.RuntimeException: Unable to start activity ComponentInfo{de.rampro.activitydiary.debug/de.rampro.activitydiary.ui.settings.SettingsActivity}: java.lang.NumberFormatException: Invalid int: ""
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
at android.app.ActivityThread.-wrap11(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: java.lang.NumberFormatException: Invalid int: ""
at java.lang.Integer.invalidInt(Integer.java:138)
at java.lang.Integer.parseInt(Integer.java:358)
at java.lang.Integer.parseInt(Integer.java:334)
at de.rampro.activitydiary.ui.settings.SettingsActivity.updateLocationAge(SettingsActivity.java:238)
at de.rampro.activitydiary.ui.settings.SettingsActivity.onCreate(SettingsActivity.java:471)
at android.app.Activity.performCreate(Activity.java:6237)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
... 9 more