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我正在处理自定义ROM,并在尝试编译时收到此错误。我试图添加一个自定义电池选择器。StatusBar不抽象,不重写抽象方法onPreferenceChange
com.android.settings.pcf.StatusBar is not abstract and does not override abstract method onPreferenceChange(android.preference.Preference,java.lang.Object) in android.preference.Preference.OnPreferenceChangeListener
这是该com.android.settings.pcf.StatusBar文件:
package com.android.settings.pcf;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.PreferenceScreen;
import android.provider.Settings;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.R;
public class StatusBar extends SettingsPreferenceFragment implements OnPreferenceChangeListener {
private static final String PREF_BATT_ICON = "battery_icon_list";
ListPreference mBatteryIcon;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Load the preferences from an XML resource
addPreferencesFromResource(R.xml.prefs_statusbar);
mBatteryIcon = (ListPreference) findPreference(PREF_BATT_ICON);
mBatteryIcon.setOnPreferenceChangeListener(this);
mBatteryIcon.setValue((Settings.System.getInt(getActivity()
.getContentResolver(), Settings.System.STATUSBAR_BATTERY_ICON,
0))
+ "");
}
public boolean OnPreferenceChange(Preference preference, Object newValue) {
if (preference == mBatteryIcon) {
int val = Integer.parseInt((String) newValue);
return Settings.System.putInt(getActivity().getContentResolver(),
Settings.System.STATUSBAR_BATTERY_ICON, val);
}
return false;
}
}
谁能帮助?
哇哦。我不相信我没有注意到大写字母o。我将它改为小写字母并添加了@Override,现在它可以工作。谢谢一堆。 –