Android应用获取通知栏权限是否开启--以及跳转到系统设置界面--解决方案

因为项目用到推送功能，所以需求是知道用户是否开启了通知栏的权限，并且提供滑动按钮进行跳转以便用户进行关闭或者开启。1.获取通知栏权限是否开启：

/**
* 获取通知栏权限是否开启
*
*/

public class NotificationsUtils {
private static final String CHECK_OP_NO_THROW = "checkOpNoThrow";
private static final String OP_POST_NOTIFICATION = "OP_POST_NOTIFICATION";

@SuppressLint("NewApi")
public static boolean isNotificationEnabled(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;
/* 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 (ClassNotFoundException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (NoSuchFieldException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
return false;
}
}

12345678910111213141516171819202122232425262728293031323334353637383940414243123456789101112131415161718192021222324252627282930313233343536373839404142432.进入系统设置界面

第一种方法

protected void requestPermission(int requestCode) {// TODO Auto-generated method stub// 6.0以上系统才可以判断权限// 进入设置系统应用权限界面Intent intent = new Intent(Settings.ACTION_SETTINGS);startActivity(intent)；}

第二种方法

以下代码可以跳转到应用详情，可以通过应用详情跳转到权限界面(6.0系统测试可用)private void getAppDetailSettingIntent(Context context) {        Intent localIntent = new Intent();        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.settings.InstalledAppDetails");            localIntent.putExtra("com.android.settings.ApplicationPkgName", getPackageName());        }        startActivity(localIntent);    }

1234567812345678这个功能不是特别重要，但是有时候确实有这样的需求。