Compatibility.java

 1package eu.siacs.conversations.utils;
 2
 3import android.content.Context;
 4import android.content.SharedPreferences;
 5import android.content.pm.PackageManager;
 6import android.os.Build;
 7import android.preference.Preference;
 8import android.preference.PreferenceCategory;
 9import android.preference.PreferenceGroup;
10import android.preference.PreferenceManager;
11import android.support.annotation.BoolRes;
12import android.support.v4.content.ContextCompat;
13
14import java.util.Arrays;
15import java.util.Collections;
16import java.util.List;
17
18import eu.siacs.conversations.R;
19import eu.siacs.conversations.ui.SettingsActivity;
20import eu.siacs.conversations.ui.SettingsFragment;
21
22public class Compatibility {
23
24    private static final List<String> UNUSED_SETTINGS_POST_TWENTYSIX = Arrays.asList(
25            SettingsActivity.KEEP_FOREGROUND_SERVICE,
26            "led",
27            "notification_ringtone",
28            "notification_headsup",
29            "vibrate_on_notification");
30    private static final List<String> UNUESD_SETTINGS_PRE_TWENTYSIX = Collections.singletonList("more_notification_settings");
31
32
33    public static boolean hasStoragePermission(Context context) {
34        return Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(context, android.Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
35    }
36
37    public static boolean twentySix() {
38        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.O;
39    }
40
41    public static boolean twentyTwo() {
42        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1;
43    }
44
45    private static boolean getBooleanPreference(Context context, String name, @BoolRes int res) {
46        return getPreferences(context).getBoolean(name, context.getResources().getBoolean(res));
47    }
48
49    private static SharedPreferences getPreferences(final Context context) {
50        return PreferenceManager.getDefaultSharedPreferences(context);
51    }
52
53    public static boolean keepForegroundService(Context context) {
54        return twentySix() || getBooleanPreference(context, SettingsActivity.KEEP_FOREGROUND_SERVICE, R.bool.enable_foreground_service);
55    }
56
57    public static void removeUnusedPreferences(SettingsFragment settingsFragment) {
58        List<PreferenceCategory> categories = Arrays.asList(
59                (PreferenceCategory) settingsFragment.findPreference("notification_category"),
60                (PreferenceCategory) settingsFragment.findPreference("other_expert_category"));
61        for (String key : (twentySix() ? UNUSED_SETTINGS_POST_TWENTYSIX : UNUESD_SETTINGS_PRE_TWENTYSIX)) {
62            Preference preference = settingsFragment.findPreference(key);
63            if (preference != null) {
64                for (PreferenceCategory category : categories) {
65                    if (category != null) {
66                        category.removePreference(preference);
67                    }
68                }
69            }
70        }
71    }
72}