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POAndroid app using webview gives html code on button click of url
 

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  1. POAndroid app using webview gives html code on button click of url
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    <p>I want to develop an android application that would open a url in a webView, using shouldInterceptRequest method in webViewClient. I must get the data using HttpClient. So I built the application but as I run the application, the main.xml gets loaded and then when I click on the button it gives html code of the url.</p> <p>main.xml:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" &gt; &lt;Button android:id="@+id/buttonurl" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="visit www.stackoverflow.com" /&gt; &lt;/LinearLayout&gt; </code></pre> <p>webview.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;WebView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/webView1" android:layout_width="fill_parent" android:layout_height="fill_parent"/&gt; </code></pre> <p>AndroidManifest.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example" android:versionCode="1" android:versionName="1.0"&gt; &lt;uses-sdk android:minSdkVersion="16"/&gt; &lt;application android:label="@string/app_name" android:icon="@drawable/ic_launcher"&gt; &lt;activity android:name="MyActivity" android:label="@string/app_name"&gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.MAIN"/&gt; &lt;category android:name="android.intent.category.LAUNCHER"/&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;activity android:name=".WebViewActivity" android:label="@string/app_name"&gt; &lt;intent-filter android:label="@string/app_name"&gt; &lt;action android:name="android.intent.action.SEND" /&gt; &lt;action android:name="android.intent.action.VIEW"/&gt; &lt;action android:name="android.intent.action.GET_CONTENT"/&gt; &lt;category android:name="android.intent.category.DEFAULT" /&gt; &lt;!-- &lt;data android:mimeType="image/png" /&gt; --&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;/application&gt; &lt;uses-permission android:name="android.permission.INTERNET"&gt;&lt;/uses-permission&gt; &lt;/manifest&gt; </code></pre> <p>MyActivity.java</p> <pre><code>package com.example; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.view.View; import android.widget.Button; public class MyActivity extends Activity { private Button button; //String strURL="www.facebook.com"; /** * Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { final Context context=this; super.onCreate(savedInstanceState); setContentView(R.layout.main); button =(Button) findViewById(R.id.buttonurl); button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent intent = new Intent(context,WebViewActivity.class); startActivity(intent); } }); } } </code></pre> <p>WebViewActivity.java</p> <pre><code>package com.example; import android.app.Activity; import android.os.Bundle; import android.webkit.WebView; public class WebViewActivity extends Activity{ String url="http://www.stackoverflow.com"; public void onCreate(Bundle savedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.webview); WebView webView= (WebView)findViewById(R.id.webView1); //MyWebViewClient myWebViewClient=new MyWebViewClient(); webView.setWebViewClient(new MyWebViewClient()); webView.loadUrl(url); // myWebViewClient.shouldOverrideUrlLoading(webView,url); } } </code></pre> <p>MyWebViewActivity.java</p> <pre><code>package com.example; import android.webkit.WebResourceResponse; import android.webkit.WebViewClient; import android.webkit.WebView; import android.net.Uri; import android.content.Intent; import android.app.Activity; import android.widget.Toast; import org.apache.http.client.HttpClient; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.HttpResponse; import org.apache.http.HttpEntity; import java.io.*; import org.apache.http.protocol.BasicHttpContext; import org.apache.http.protocol.HttpContext; import org.apache.http.client.ClientProtocolException; public class MyWebViewClient extends WebViewClient { public InputStream httpcall(WebView view,String url) { HttpClient httpClient = new DefaultHttpClient(); HttpContext localContext = new BasicHttpContext(); HttpGet httpGet = new HttpGet("http://www.stackoverflow.com"); BufferedReader reader = null; String result = null; try { HttpResponse response = httpClient.execute(httpGet, localContext); result = ""; reader = new BufferedReader( new InputStreamReader( response.getEntity().getContent() ) ); String line = null; while ((line = reader.readLine()) != null) { result += line + "\n"; } } catch (ClientProtocolException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { if (reader != null) { try { reader.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream( result.getBytes()); return byteArrayInputStream; //String webData = result.toString(); // return webData; //view.loadDataWithBaseURL("http://www.stackoverflow.com", webData, "text/html", "UTF-8", "about:blank"); } @Override public WebResourceResponse shouldInterceptRequest(WebView view,String url){ return new WebResourceResponse("text/json","utf-8",httpcall(view,url)); } } </code></pre>
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    1. COpost your stack trace please
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    3. COERROR/AndroidRuntime(18484): FATAL EXCEPTION: main java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example/com.example.WebViewActivity}: android.view.InflateException: Binary XML file line #3: Error inflating class webview at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084) at android.app.ActivityThread.access$600(ActivityThread.java:130)
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