1

我使用holoeverywhere庫,當我開始ActivityPreference我收到此錯誤:SeekBarPreference/NumberPickerPreference ClassCastException異常

06-22 22:54:23.425: E/AndroidRuntime(11853): FATAL EXCEPTION: main 
06-22 22:54:23.425: E/AndroidRuntime(11853): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.tufan.liveprices/com.tufan.liveprices.ActivityPreferences}: java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Integer 
06-22 22:54:23.425: E/AndroidRuntime(11853): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2100) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2125) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at android.app.ActivityThread.access$600(ActivityThread.java:140) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1227) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at android.os.Handler.dispatchMessage(Handler.java:99) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at android.os.Looper.loop(Looper.java:137) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at android.app.ActivityThread.main(ActivityThread.java:4898) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at java.lang.reflect.Method.invokeNative(Native Method) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at java.lang.reflect.Method.invoke(Method.java:511) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1006) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:773) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at dalvik.system.NativeStart.main(Native Method) 
06-22 22:54:23.425: E/AndroidRuntime(11853): Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Integer 
06-22 22:54:23.425: E/AndroidRuntime(11853): at android.app.SharedPreferencesImpl.getInt(SharedPreferencesImpl.java:221) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.preference._SharedPreferencesImpl_XML.getInt(_SharedPreferencesImpl_XML.java:232) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.preference._SharedPreferencesImpl_XML.getInt(_SharedPreferencesImpl_XML.java:232) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.preference.Preference.getPersistedInt(Preference.java:332) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.preference.NumberPickerPreference.onSetInitialValue(NumberPickerPreference.java:190) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.preference.Preference.dispatchSetInitialValue(Preference.java:202) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.preference.Preference.onAttachedToHierarchy(Preference.java:492) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.preference.PreferenceGroup.addPreference(PreferenceGroup.java:74) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.preference.PreferenceGroup.addItemFromInflater(PreferenceGroup.java:40) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.preference.PreferenceGroup.addItemFromInflater(PreferenceGroup.java:1) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.internal.GenericInflater.rInflate(GenericInflater.java:262) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.internal.GenericInflater.rInflate(GenericInflater.java:263) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.internal.GenericInflater.inflate(GenericInflater.java:194) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.internal.GenericInflater.inflate(GenericInflater.java:164) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.internal.GenericInflater.inflate(GenericInflater.java:158) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.preference.PreferenceManager.inflateFromResource(PreferenceManager.java:380) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at org.holoeverywhere.preference.PreferenceActivity.addPreferencesFromResource(PreferenceActivity.java:282) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at com.tufan.liveprices.ActivityPreferences.onCreate(ActivityPreferences.java:15) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at android.app.Activity.performCreate(Activity.java:5206) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1083) 
06-22 22:54:23.425: E/AndroidRuntime(11853): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2064) 
06-22 22:54:23.425: E/AndroidRuntime(11853): ... 11 more 

PreferenceActivity:

package com.***; 

import org.holoeverywhere.preference.PreferenceActivity; 
import android.os.Bundle; 

public class ActivityPreferences extends PreferenceActivity { 
    @SuppressWarnings("deprecation") 
    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     addPreferencesFromResource(R.xml.activity_preferences); 
    } 
} 

activity_preferences.xml

<?xml version="1.0" encoding="utf-8"?> 
<PreferenceScreen xmlns:holo="http://schemas.android.com/apk/res-auto"> 

    <PreferenceCategory 
     holo:key="cat_refresh" 
     holo:title="@string/preferencecategory_refresh" > 

     <CheckBoxPreference 
      holo:key="autoRefresh" 
      holo:title="@string/preference_autorefreshtitle" 
      holo:summary="@string/preference_autorefreshsummary" 
      holo:defaultValue="true" /> 

     <org.holoeverywhere.preference.NumberPickerPreference 
      holo:key="refreshInterval" 
      holo:title="@string/preference_refreshintervaltitle" 
      holo:summary="@string/preference_refreshintervalsummary" 
      holo:defaultValue="5" 
      holo:max="200" 
      holo:min="1" /> 

    </PreferenceCategory> 
</PreferenceScreen> 

Holoeverywhere版本: 1.6.1
的Android SDK: 4.2
測試於:的Android 4.1.2(GT-I9300)

而且其中問題?我在哪裏犯錯?

回答

2

我用EditTextPreference之前。所以refreshInterval鍵用於字符串值。我從手機中卸載了應用程序並重新安裝了它。所以優先值被清除。

現在用於Integer和app的refreshInterval鍵工作正常。