[已解决] [以下固定代码]
这是一个带有webview的小应用程序,我希望在连接到互联网时重新加载。我打开应用程序(连接互联网),它显示网络(google.com.ar),当我断开WiFi和3G,如果我在网络上导航它显示错误消息,它没关系,但如果我重新连接WiFi应用程序崩溃。问题是什么?我认为是在BroadReceiver中,在清单中我有android.net.wifi.STATE_CHANGE和android.net.conn.CONNECTIVITY_CHANGE。
感谢。
MainActivity.java
package com.example.app;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.os.StrictMode;
import android.webkit.WebView;
import android.webkit.WebViewClient;
public class MainActivity extends ActionBarActivity {
static WebView myWebView;
@Override
protected void onCreate(Bundle savedInstanceState) {
StrictMode.enableDefaults();
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
myWebView = (WebView) findViewById(R.id.webView);
myWebView.loadUrl("http://google.com.ar");
myWebView.setWebViewClient(new WebViewClient() );
}
}
ConnectionBroadReceiver.java
package com.example.app;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
public class ConnectionBroadReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
ConnectivityManager cm = (ConnectivityManager)
context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo netInfo = cm.getActiveNetworkInfo();
if (netInfo != null && netInfo.isConnectedOrConnecting()) {
MainActivity.myWebView.reload();
} else {
}
}
}
的AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.app"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="19"
android:targetSdkVersion="19" />
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme"
android:screenOrientation="landscape" android:configChanges="orientation|keyboardHidden">
<activity
android:name="com.example.app.MainActivity"
android:label="@string/app_name"
android:screenOrientation="landscape" android:configChanges="orientation|keyboardHidden">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<receiver
android:name="com.example.app.ConnectionBroadReceiver">
<intent-filter>
<action android:name="android.net.conn.CONNECTIVITY_CHANGE" />
</intent-filter>
</receiver>
</application>
</manifest>