通知栏权限，+跳转设置

获取是否开启通知栏权限

Android获取应用通知栏权限，并跳转通知设置页面（全版本适配）

public class NotificationUtil {
    private static final String CHECK_OP_NO_THROW = "checkOpNoThrow";
    private static final String OP_POST_NOTIFICATION = "OP_POST_NOTIFICATION";
    
    //调用该方法获取是否开启通知栏权限
    public static boolean isNotifyEnabled(Context context) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            return isEnableV26(context);
        } else {
            return isEnabledV19(context);
        }
    }

    /**
     * 8.0以下判断
     *
     * @param context api19  4.4及以上判断
     * @return
     */
    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
    private static boolean isEnabledV19(Context context) {

        AppOpsManager mAppOps =
                (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);

        ApplicationInfo appInfo = context.getApplicationInfo();
        String pkg = context.getApplicationContext().getPackageName();
        int uid = appInfo.uid;
        Class appOpsClass = null;

        try {
            appOpsClass = Class.forName(AppOpsManager.class.getName());

            Method checkOpNoThrowMethod =
                    appOpsClass.getMethod(CHECK_OP_NO_THROW,
                            Integer.TYPE, Integer.TYPE, String.class);

            Field opPostNotificationValue = appOpsClass.getDeclaredField(OP_POST_NOTIFICATION);
            int value = (Integer) opPostNotificationValue.get(Integer.class);

            return ((Integer) checkOpNoThrowMethod.invoke(mAppOps, value, uid, pkg) ==
                    AppOpsManager.MODE_ALLOWED);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }


    /**
     * 8.0及以上通知权限判断
     *
     * @param context
     * @return
     */
    private static boolean isEnableV26(Context context) {
        ApplicationInfo appInfo = context.getApplicationInfo();
        String pkg = context.getApplicationContext().getPackageName();
        int uid = appInfo.uid;
        try {
            NotificationManager notificationManager = (NotificationManager)
                    context.getSystemService(Context.NOTIFICATION_SERVICE);
            Method sServiceField = notificationManager.getClass().getDeclaredMethod("getService");
            sServiceField.setAccessible(true);
            Object sService = sServiceField.invoke(notificationManager);

            Method method = sService.getClass().getDeclaredMethod("areNotificationsEnabledForPackage"
                    , String.class, Integer.TYPE);
            method.setAccessible(true);
            return (boolean) method.invoke(sService, pkg, uid);
        } catch (Exception e) {
            return true;
        }
    }
}

使用support v4:28.0.0使用此api可以全版本判断获取是否开启通知栏权限！

v4包中加入（改为androidx）

NotificationManagerCompat.from(this).areNotificationsEnabled();

跳转通知设置页面

Intent localIntent = new Intent();
//直接跳转到应用通知设置的代码：
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {//8.0及以上
    localIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    localIntent.setAction("android.settings.APPLICATION_DETAILS_SETTINGS");
    localIntent.setData(Uri.fromParts("package", getPackageName(), null));
} else if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {//5.0以上到8.0以下
    localIntent.setAction("android.settings.APP_NOTIFICATION_SETTINGS");
    localIntent.putExtra("app_package", getPackageName());
    localIntent.putExtra("app_uid", getApplicationInfo().uid);
} else if (android.os.Build.VERSION.SDK_INT == Build.VERSION_CODES.KITKAT) {//4.4
    localIntent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
    localIntent.addCategory(Intent.CATEGORY_DEFAULT);
    localIntent.setData(Uri.parse("package:" + getPackageName()));
} else {
    //4.4以下没有从app跳转到应用通知设置页面的Action，可考虑跳转到应用详情页面,
    localIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    if (Build.VERSION.SDK_INT >= 9) {
        localIntent.setAction("android.settings.APPLICATION_DETAILS_SETTINGS");
        localIntent.setData(Uri.fromParts("package", getPackageName(), null));
    } else if (Build.VERSION.SDK_INT <= 8) {
        localIntent.setAction(Intent.ACTION_VIEW);
        localIntent.setClassName("com.android.settings", "com.android.setting.InstalledAppDetails");
        localIntent.putExtra("com.android.settings.ApplicationPkgName", getPackageName());
    }
}
startActivity(localIntent);

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• 本文作者： 风追着云
• 本文链接： https:/github.com/tuyrt7/tuyrt7.github.io/2020/02/17/通知栏权限，-跳转设置/
• 版权声明： 本博客所有文章除特别声明外，均采用 MIT 许可协议。转载请注明出处！