方式一
创建通知工具类
public class NotificationsUtils {
//判断是否需要打开设置界面
@RequiresApi(api = Build.VERSION_CODES.KITKAT)
public static void OpenNotificationSetting(Context context, OnNotificationLitener mOnLitener) {
if (!isNotificationEnabled(context)) {
showSettingDialog(context);
} else {
if (mOnLitener != null) {
mOnLitener.onNext();
}
}
}
/**
* 判断该app是否打开了通知
* 可以通过NotificationManagerCompat 中的 areNotificationsEnabled()来判断是否开启通知权限。NotificationManagerCompat 在 android.support.v4.app包中，是API 22.1.0 中加入的。而 areNotificationsEnabled()则是在 API 24.1.0之后加入的。
* areNotificationsEnabled 只对 API 19 及以上版本有效，低于API 19 会一直返回true
* */
@RequiresApi(api = Build.VERSION_CODES.KITKAT)
public static boolean isNotificationEnabled(Context context) {
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT){
NotificationManagerCompat notificationManagerCompat = NotificationManagerCompat.from(context);
boolean areNotificationsEnabled = notificationManagerCompat.areNotificationsEnabled();
return areNotificationsEnabled;
}
String CHECK_OP_NO_THROW = "checkOpNoThrow";
String OP_POST_NOTIFICATION = "OP_POST_NOTIFICATION";
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;
/* Context.APP_OPS_MANAGER */
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;
}
/**
* 打开手机设置页面
* 假设没有开启通知权限，点击之后就需要跳转到 APP的通知设置界面，对应的Action是：Settings.ACTION_APP_NOTIFICATION_SETTINGS, 这个Action是 API 26 后增加的
* 如果在部分手机中无法精确的跳转到 APP对应的通知设置界面，那么我们就考虑直接跳转到 APP信息界面，对应的Action是：Settings.ACTION_APPLICATION_DETAILS_SETTINGS*/
private static void gotoSet(Context context) {
Intent intent = new Intent();
if (Build.VERSION.SDK_INT >= 26) {
// android 8.0引导
intent.setAction("android.settings.APP_NOTIFICATION_SETTINGS");
intent.putExtra("android.provider.extra.APP_PACKAGE", context.getPackageName());
} else if (Build.VERSION.SDK_INT >= 21) {
// android 5.0-7.0
intent.setAction("android.settings.APP_NOTIFICATION_SETTINGS");
intent.putExtra("app_package", context.getPackageName());
intent.putExtra("app_uid", context.getApplicationInfo().uid);
} else {
// 其他
intent.setAction("android.settings.APPLICATION_DETAILS_SETTINGS");
intent.setData(Uri.fromParts("package", context.getPackageName(), null));
}
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
/*=====================添加Listener回调================================*/
public interface OnNotificationLitener {
/**
* 不需要设置通知的下一步
*/
void onNext();
}
private OnNotificationLitener onNotificationLitener;
public void setOnNextLitener(OnNotificationLitener mOnNextLitener) {
this.onNotificationLitener = mOnNextLitener;
}
public static void showSettingDialog(final Context mContext) {
//提示弹窗
AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
builder.setTitle("打开推送通知");
builder.setMessage("打开通知第一时间获取相关咨询");
builder.setIcon(R.mipmap.ic_launcher);
builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {//添加"Yes"按钮
@Override
public void onClick(DialogInterface dialogInterface, int i) {
gotoSet(mContext);
}
});
builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {//添加取消
@Override
public void onClick(DialogInterface dialogInterface, int i) {
alertDialog.cancel();
}
});
AlertDialog alertDialog = builder.create();
alertDialog.show();
}
}
调用方式
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
//判断是否需要开启通知栏功能
NotificationsUtils.OpenNotificationSetting(MainActivity.this, new NotificationsUtils.OnNotificationLitener() {
@Override
public void onNext() {
Toast.makeText(MainActivity.this,"已开启通知权限",Toast.LENGTH_SHORT).show();
}
});
}
方式二
private void checkNotifySetting() {
NotificationManagerCompat manager = NotificationManagerCompat.from(this);
// areNotificationsEnabled方法的有效性官方只最低支持到API 19，低于19的仍可调用此方法不过只会返回true，即默认为用户已经开启了通知。
boolean isOpened = manager.areNotificationsEnabled();
if (isOpened) {
LogUtil.v("TEST ", "通知权限已经被打开" +
"\n手机型号:" + android.os.Build.MODEL +
"\nSDK版本:" + android.os.Build.VERSION.SDK_INT +
"\n系统版本:" + android.os.Build.VERSION.RELEASE +
"\n软件包名:" + MainApplication.getAppCtx().getPackageName());
} else {
LogUtil.v("TEST ", "还没有开启通知权限，点击去开启");
try {
// 根据isOpened结果，判断是否需要提醒用户跳转AppInfo页面，去打开App通知权限
Intent intent = new Intent();
intent.setAction(Settings.ACTION_APP_NOTIFICATION_SETTINGS);
//这种方案适用于 API 26, 即8.0（含8.0）以上可以用
intent.putExtra(EXTRA_APP_PACKAGE, MainApplication.getAppCtx().getPackageName());
intent.putExtra(EXTRA_CHANNEL_ID, MainApplication.getAppCtx().getApplicationInfo().uid);
//这种方案适用于 API21——25，即 5.0——7.1 之间的版本可以使用
intent.putExtra("app_package", MainApplication.getAppCtx().getPackageName());
intent.putExtra("app_uid", MainApplication.getAppCtx().getApplicationInfo().uid);
startActivity(intent);
} catch (Exception e) {
e.printStackTrace();
// 出现异常则跳转到应用设置界面：锤子坚果3——OC105 API25
Intent intent = new Intent();
//下面这种方案是直接跳转到当前应用的设置界面。
intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
Uri uri = Uri.fromParts("package", MainApplication.getAppCtx().getPackageName(), null);
intent.setData(uri);
startActivity(intent);
}
}
}
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