我有一个 MainActivity 带有导航抽屉和一些碎片 . 我正在尝试添加一个设置页面到我的应用程序,带有首选项 Headers (因为我有很多首选项) .

我希望“设置”页面与 MainActivity 处于同一活动中,因为我想保留相同的导航抽屉,并且仅仅因为我找不到任何理由来为首选项创建一个全新的活动 .

这是我的 SettingsFragment 代码:

import android.annotation.TargetApi;
import android.os.Build;
import android.os.Bundle;
import android.support.v7.preference.ListPreference;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceFragmentCompat;

public class SettingsFragment extends PreferenceFragmentCompat {

    @Override
    public void onCreatePreferences(Bundle bundle, String s) {
        addPreferencesFromResource(R.xml.pref_headers);
    }

    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    public static class GeneralPreferenceFragment extends PreferenceFragmentCompat {
        @Override
        public void onCreatePreferences(Bundle bundle, String s) {

            addPreferencesFromResource(R.xml.pref_general);
            setHasOptionsMenu(true);

            // Bind the summaries of EditText/List/Dialog/Ringtone preferences
            // to their values. When their values change, their summaries are
            // updated to reflect the new value, per the Android Design
            // guidelines.
            bindPreferenceSummaryToValue(findPreference("example_text"));
            bindPreferenceSummaryToValue(findPreference("example_list"));
        }
    }

    private static void bindPreferenceSummaryToValue(Preference preference) {
        // Set the listener to watch for value changes.
        preference.setOnPreferenceChangeListener(sBindPreferenceSummaryToValueListener);

        // Trigger the listener immediately with the preference's
        // current value.
        sBindPreferenceSummaryToValueListener.onPreferenceChange(preference,
                android.support.v7.preference.PreferenceManager
                        .getDefaultSharedPreferences(preference.getContext())
                        .getString(preference.getKey(), ""));
    }

    private static Preference.OnPreferenceChangeListener sBindPreferenceSummaryToValueListener = new Preference.OnPreferenceChangeListener() {
        @Override
        public boolean onPreferenceChange(Preference preference, Object value) {
            String stringValue = value.toString();

            if (preference instanceof ListPreference) {
                // For list preferences, look up the correct display value in
                // the preference's 'entries' list.
                ListPreference listPreference = (ListPreference) preference;
                int index = listPreference.findIndexOfValue(stringValue);

                // Set the summary to reflect the new value.
                preference.setSummary(
                        index >= 0
                                ? listPreference.getEntries()[index]
                                : null);

            } else {
                // For all other preferences, set the summary to the value's
                // simple string representation.
                preference.setSummary(stringValue);
            }
            return true;
        }
    };

}

pref_headers.xml

<preference-headers xmlns:android="http://schemas.android.com/apk/res/android">

    <!-- These settings headers are only used on tablets. -->

    <header
        android:fragment="com.morha.cumtaalerts.fragment.SettingsFragment$GeneralPreferenceFragment"
        android:icon="@drawable/ic_info_black_24dp"
        android:title="@string/pref_header_general" />


</preference-headers>

Note: There is only one header in the pref_headers.xml just to make the question shorter and clearer.

更改为此片段时出现的错误是:

android.view.InflateException:二进制XML文件行#1:错误膨胀类(未找到)preference-headers

我在网上看了很多,但我找不到有同样问题的人 . 我发现我应该使用 loadHeadersFromResource 而不是 addPreferencesFromResource ,但问题是 PreferenceFragmentCompat 中不存在 loadHeadersFromResource .

据我所知, PreferenceFragmentCompat 不知道 preference-headers 标签 .

所以我的问题是,我做错了什么?如果没有,有没有办法实现我想要做的事情?

也许我应该使用 AppCompatPreferenceActivity ?如果是这样,有没有办法保持相同的导航抽屉从 MainActivity 和处理首选项页面与片段相同?

谢谢!