解析最终在android上崩溃

我对解析有一个问题，但我不知道为什么它会崩溃，我解释了

我正在使用parse，工作正常，但是没有任何原因，有时，当我关闭手机或离开wifi的范围时，应用程序崩溃。我认为一切都没问题，因为我可以毫无问题地接收parse的通知。。。。我们需要一些帮助

该应用程序是一个网络视图

公共类MainActivity扩展了活动{

私有网络视图myWebView

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
this.setContentView(R.layout.activity_main); 

Parse.initialize(getApplicationContext(), "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
PushService.setDefaultPushCallback(this, MainActivity.class);


ParseInstallation.getCurrentInstallation().saveEventually(); 


this.myWebView = (WebView) this.findViewById(R.id.web);

myWebView.getSettings().setJavaScriptEnabled(true);

//iniciamos javascript

myWebView.addJavascriptInterface(new WebAppInterface(this),"Android");

//webviewclient para websettings
WebSettings websettings= myWebView.getSettings();
websettings.setJavaScriptEnabled(true);

myWebView.setWebViewClient(new MyWebViewClient());

myWebView.loadUrl("http://www.aaaaa.com/);

}

}

然后是舱单

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.jor.dietd"
android:versionCode="3"
android:versionName="1.2" >

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />  

<permission android:name="com.jor.dietd.permission.C2D_MESSAGE"
        android:protectionLevel="signature"/>

<uses-permission android:name="com.jor.xxxxxx.permission.C2D_MESSAGE" />


 <uses-sdk
    android:minSdkVersion="11"
    android:targetSdkVersion="22" />

<application

    android:allowBackup="true"
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name"
    android:theme="@style/AppTheme" >
    <activity
        android:name="com.jor.xxxxx.MainActivity"
        android:label="@string/app_name"
        android:screenOrientation="portrait" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>

    <service android:name="com.parse.PushService" />
<receiver android:name="com.parse.ParseBroadcastReceiver">
  <intent-filter>
      <action android:name="android.intent.action.BOOT_COMPLETED" />
      <action android:name="android.intent.action.USER_PRESENT" />
 </intent-filter>
</receiver>
<receiver android:name="com.parse.GcmBroadcastReceiver"
android:permission="com.google.android.c2dm.permission.SEND">
 <intent-filter>
    <action android:name="com.google.android.c2dm.intent.RECEIVE" />
   <action android:name="com.google.android.c2dm.intent.REGISTRATION" />


 <category android:name="com.jor.xxxx" />
    </intent-filter>
</receiver>
</application>

</manifest>

切换wifi，获取logcat错误堆栈，然后将其添加到此处，这样会更容易理解错误，但如果我猜它位于OnReceive部分，并且错误为nullpointerexception，因为意图为null。问题并不总是在我关闭wifi时崩溃，所以我不知道什么时候会崩溃……我应该如何证明它没有使意图无效@attels？如果为null，您唯一能做的就是检查-If（intent==null）{return；}，并可能提醒用户出了问题。

private class MyWebViewClient extends WebViewClient{

@SuppressWarnings("unused")
private long loadTime;

@Override 
public boolean shouldOverrideUrlLoading(WebView view, String url){
    if (Uri.parse(url).getHost().equals("www.aaaaa.com"))  { 

            return false;
}
    Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
    startActivity(intent);
    return true;

}



public class ParseBroadcastReceiver extends BroadcastReceiver {
    private static final String TAG = "com.parse.ParseBroadcastReceiver";

    @Override
    public void onReceive(Context context, Intent intent) {
        Log.d(TAG, "received " + intent.getAction());
        PushService.startServiceIfRequired(context);
    }
    }


}

}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.jor.dietd"
android:versionCode="3"
android:versionName="1.2" >

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />  

<permission android:name="com.jor.dietd.permission.C2D_MESSAGE"
        android:protectionLevel="signature"/>

<uses-permission android:name="com.jor.xxxxxx.permission.C2D_MESSAGE" />


 <uses-sdk
    android:minSdkVersion="11"
    android:targetSdkVersion="22" />

<application

    android:allowBackup="true"
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name"
    android:theme="@style/AppTheme" >
    <activity
        android:name="com.jor.xxxxx.MainActivity"
        android:label="@string/app_name"
        android:screenOrientation="portrait" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>

    <service android:name="com.parse.PushService" />
<receiver android:name="com.parse.ParseBroadcastReceiver">
  <intent-filter>
      <action android:name="android.intent.action.BOOT_COMPLETED" />
      <action android:name="android.intent.action.USER_PRESENT" />
 </intent-filter>
</receiver>
<receiver android:name="com.parse.GcmBroadcastReceiver"
android:permission="com.google.android.c2dm.permission.SEND">
 <intent-filter>
    <action android:name="com.google.android.c2dm.intent.RECEIVE" />
   <action android:name="com.google.android.c2dm.intent.REGISTRATION" />


 <category android:name="com.jor.xxxx" />
    </intent-filter>
</receiver>
</application>

</manifest>