Ich bin neu bei Android und nach dem Udacity Android Entwicklerkurs zu lernen. Ich bin in Kapitel 3, wo sie über das Hinzufügen der Einstellungen in Ihrer App unterrichten. Ich habe die SettingActivity von Android Studio hinzugefügt. Wenn ich auf das Einstellungsmenü klicke, stürzt meine App ab. Das ist mein pref_general.xml DateiRuntime Ausnahme bei der Verwendung der Einstellungen in Android (Ich bin der Udacity Android Developer Kurs gefolgt)
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
<!-- NOTE: EditTextPreference accepts EditText attributes. -->
<!-- NOTE: EditTextPreference's summary should be set to its value by the activity code. -->
<EditTextPreference
android:key="@string/pref_location_key"
android:defaultValue="@string/pref_location_default"
android:maxLines="1"
android:inputType="text"
android:selectAllOnFocus="true"
android:singleLine="true"
android:title="@string/pref_location_label" />
ich diese Änderungen in SettingActivity gemacht haben
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setupActionBar();
addPreferencesFromResource(R.xml.pref_general);
bindPreferenceSummaryToValue(findPreference(getString(R.string.pref_location_key)));}
ich folgende Ausnahme bin immer, wenn ich das Einstellungsmenü klicken
Process: com.example.android.sunshine.app, PID: 10131
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.android.sunshine.app/com.example.android.sunshine.app.SettingsActivity}: java.lang.RuntimeException: Modern two-pane PreferenceActivity requires use of a PreferenceFragment
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2339)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2413)
at android.app.ActivityThread.access$800(ActivityThread.java:155)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1317)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5343)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:905)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700)
Caused by: java.lang.RuntimeException: Modern two-pane PreferenceActivity requires use of a PreferenceFragment
at android.preference.PreferenceActivity.requirePreferenceManager(PreferenceActivity.java:1441)
at android.preference.PreferenceActivity.addPreferencesFromResource(PreferenceActivity.java:1511)
at com.example.android.sunshine.app.SettingsActivity.onCreate(SettingsActivity.java:124)
at android.app.Activity.performCreate(Activity.java:6010)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1129)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2292)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2413)
at android.app.ActivityThread.access$800(ActivityThread.java:155)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1317)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5343)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:905)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700)
Irgendwelche Hilfe? Entschuldigung, wenn es sehr naiv ist
Cna Sie es einige Beispiele teilen? –