跳转手机网络设置页面 崩溃了怎么办呢

java.lang.RuntimeException: Unable to resume activity {com.huichenghe.xinlvshuju/com.huichenghe.xinlvshuju.mainpack.MainActivity}: android.util.AndroidRuntimeException: Calling startActivity() from outside of an Activity  context requires the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want?
    at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3139)
    at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3170)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2516)
    at android.app.ActivityThread.access$900(ActivityThread.java:165)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1375)
    at android.os.Handler.dispatchMessage(Handler.java:102)
    at android.os.Looper.loop(Looper.java:150)
    at android.app.ActivityThread.main(ActivityThread.java:5621)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:794)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:684)
Caused by: android.util.AndroidRuntimeException: Calling startActivity() from outside of an Activity  context requires the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want?
    at android.app.ContextImpl.startActivity(ContextImpl.java:757)
    at android.app.ContextImpl.startActivity(ContextImpl.java:737)
    at android.content.ContextWrapper.startActivity(ContextWrapper.java:331)
    at com.huichenghe.xinlvshuju.zhy.utils.utils.NetWorkUtil.openSettingNetActivity(NetWorkUtil.java:102)
    at com.huichenghe.xinlvshuju.mainpack.MainActivity.onResume(MainActivity.java:2433)
    at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1266)
    at android.app.Activity.performResume(Activity.java:6446)
    at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3129)
    ... 10 more

解决办法：

启动之前设置flagintent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);