0

嗨,我的应用程序正在强制关闭,我不知道我的代码有什么问题。任何人都可以帮助..

当我运行 apk 文件时,它说不幸的是应用程序已停止

包装代码

    package net.learnscripture.webviewapp;

    import com.google.ads.AdRequest;
    import com.google.ads.AdView;
    import android.annotation.SuppressLint;
    import android.app.Activity;
    import android.content.ComponentName;
    import android.content.Intent;
    import android.content.pm.PackageInfo;
    import android.graphics.Bitmap;
    import android.net.MailTo;
    import android.net.Uri;
    import android.os.Bundle;
    import android.view.Menu;
    import android.view.MenuInflater;
    import android.view.MenuItem;
    import android.view.View;
    import android.view.WindowManager;
    import android.webkit.WebChromeClient;
    import android.webkit.WebView;
    import android.webkit.WebViewClient;
    import android.widget.Button;
    import android.widget.ProgressBar;
    import android.widget.Toast;
    import net.learnscripture.webviewapp.R;

    @SuppressWarnings("deprecation")
    public class Dashboard extends Activity {
        public String BASE_URL = "http://mixss.com/Mobile";
        public String DASHBOARD_URL = BASE_URL + "dashboard/";
        public String CONTACT_URL = BASE_URL + "contact/";

    private JavascriptInterface jsInterface;

    @SuppressLint("SetJavaScriptEnabled")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_dashboard);
        WebView engine = (WebView) findViewById(R.id.web_engine);


        // Progress bar.
        // With full screen app, window progress bar (FEATURE_PROGRESS) doesn't seem to show,
        // so we use an explicitly created one.
        final ProgressBar progressBar = (ProgressBar) findViewById(R.id.progressbar);

        engine.setWebChromeClient(new WebChromeClient() {
            public void onProgressChanged(WebView view, int progress)
            {
                progressBar.setProgress(progress);
            }
        });

        engine.setWebViewClient(new FixedWebViewClient() {
            public void onPageStarted(WebView view, String url, Bitmap favicon)
            {
                jsInterface.enablePreferencesMenu  = false;
                jsInterface.modalIsVisible = false;
                jsInterface.urlForSharing = null;
                progressBar.setVisibility(View.VISIBLE);
            }

            public void onPageFinished(WebView view, String url)
            {
                progressBar.setVisibility(View.GONE);
            }
        });
        engine.getSettings().setJavaScriptEnabled(true);
        jsInterface = new JavascriptInterface();
        try {
            ComponentName comp = new ComponentName(this, Dashboard.class);
            PackageInfo pinfo = getPackageManager().getPackageInfo(comp.getPackageName(), 0);
            jsInterface.versionCode = pinfo.versionCode;
        } catch(android.content.pm.PackageManager.NameNotFoundException e) {
        }

        engine.addJavascriptInterface(jsInterface, "androidlearnscripture");
        engine.loadUrl(BASE_URL);
    }

    private WebView getEngine() {
        return (WebView) findViewById(R.id.web_engine);
    }

    public void onBackPressed() {
        WebView engine = getEngine();
        String url = engine.getUrl(); 
        if (jsInterface.modalIsVisible) {
            engine.loadUrl("javascript: learnscripture.hideModal();");
        } else if (url != null && (
                url.equals(BASE_URL) ||
                url.equals(DASHBOARD_URL) ||
                !engine.canGoBack())) {
            // exit
            super.onBackPressed();
        } else {
            // go back a page, like normal browser
            engine.goBack();
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.main_menu, menu);
        return true;
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        MenuItem prefs = menu.findItem(R.id.preferences_menuitem);
        if (prefs != null) {
            prefs.setVisible(jsInterface.enablePreferencesMenu);
        }
        super.onPrepareOptionsMenu(menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle item selection
        switch (item.getItemId()) {
        case R.id.dashboard_menuitem:
            getEngine().loadUrl(DASHBOARD_URL);
            return true;
        case R.id.refresh_menuitem:
            getEngine().reload();
            return true;
        case R.id.preferences_menuitem:
            getEngine().loadUrl("javascript: learnscripture.showPreferences()");
            return true;
        case R.id.contact_menuitem:
            getEngine().loadUrl(CONTACT_URL);
            return true;
        case R.id.share_url_menuitem:
            final String url = (jsInterface.urlForSharing != null
                                ? jsInterface.urlForSharing
                                : getEngine().getUrl());
            Intent i = new Intent(Intent.ACTION_SEND);
            i.setType("text/plain");
            i.putExtra(Intent.EXTRA_SUBJECT, "LearnScripture URL");
            i.putExtra(Intent.EXTRA_TEXT, url);
            startActivity(Intent.createChooser(i, "Share URL"));
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    private class FixedWebViewClient extends WebViewClient {
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            if (url.startsWith(BASE_URL) || url.startsWith("javascript:")) {
                // handle by the WebView
                return false;
            } else if (url.startsWith("mailto:")) {
                MailTo mt = MailTo.parse(url);
                Intent i = new Intent(Intent.ACTION_SEND);
                i.setType("message/rfc822");
                i.putExtra(Intent.EXTRA_EMAIL, new String[]{mt.getTo()});
                i.putExtra(Intent.EXTRA_SUBJECT, mt.getSubject());
                i.putExtra(Intent.EXTRA_CC, mt.getCc());
                i.putExtra(Intent.EXTRA_TEXT, mt.getBody());
                view.getContext().startActivity(i);
                view.reload();
                return true;
            } else {
                // Use external browser for anything not on this site
                Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
                view.getContext().startActivity(i);
                return true;
            }
        }
    }

    // The methods of JavascriptInterface are called from javascript.
    // The attributes are accessed from the Dashboard class.
    // This is deliberately a dumb container class to stop possible
    // security issues of javascript controlling Java app.
    final class JavascriptInterface {
        public boolean enablePreferencesMenu = false;
        public boolean modalIsVisible = false;
        public int versionCode = 0;
        public String urlForSharing = null;

        public void setEnablePreferencesMenu() {
            enablePreferencesMenu = true;
        }

        public void setModalIsVisible(boolean visible) {
            modalIsVisible = visible;
        }

        // This is useful for allowing the web site to be able to detect
        // old app versions and prompt the user to upgrade.
        public int getVersionCode() {
            return versionCode;
        }

        public void setUrlForSharing(String url) {
            urlForSharing = url;
        }
    }

}

布局 Main.xml

    <?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:ads="http://schemas.android.com/apk/lib/com.google.ads"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical" >

    <ProgressBar
        android:id="@+id/progressbar"
        style="?android:attr/progressBarStyleHorizontal"
        android:layout_width="fill_parent"
        android:layout_height="10dp"
        android:max="100"
        android:visibility="gone" />
  <com.google.ads.AdView android:id="@+id/adView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
ads:adUnitId="a151b9a90b51ae7"                          
ads:adSize="BANNER"                         
ads:loadAdOnCreate="true"/>

<WebView
    android:id="@+id/web_engine"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />
</LinearLayout>

安卓清单.xml

    <?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:ads="http://schemas.android.com/apk/lib/com.google.ads"
    package="net.learnscripture.webviewapp"
    android:versionCode="11"
    android:versionName="1.5" >

    <uses-sdk
        android:minSdkVersion="6"
        android:targetSdkVersion="17" />
    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<meta-data android:value="true" android:name="ADMOB_ALLOW_LOCATION_FOR_ADS" />
    <application
        android:allowBackup="true"
        android:configChanges="keyboard|keyboardHidden|orientation"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
       <activity android:name="com.google.ads.AdActivity"
          android:configChanges="keyboard|keyboardHidden|orientation"/>
        <activity
            android:name="net.learnscripture.webviewapp.Dashboard"
            android:label="@string/app_name"
            android:theme="@style/AppTheme">            
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

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

</manifest>

日志猫

    06-14 04:53:17.850: D/AndroidRuntime(1105): Shutting down VM
06-14 04:53:17.850: W/dalvikvm(1105): threadid=1: thread exiting with uncaught exception (group=0xb3f764f0)
06-14 04:53:17.850: I/Process(1105): Sending signal. PID: 1105 SIG: 9
06-14 04:53:17.850: D/AndroidRuntime(1105): procName from cmdline: net.learnscripture.webviewapp
06-14 04:53:17.850: E/AndroidRuntime(1105): in writeCrashedAppName, pkgName :net.learnscripture.webviewapp
06-14 04:53:17.850: D/AndroidRuntime(1105): file written successfully with content: net.learnscripture.webviewapp StringBuffer : ;net.learnscripture.webviewapp
06-14 04:53:17.850: E/AndroidRuntime(1105): FATAL EXCEPTION: main
06-14 04:53:17.850: E/AndroidRuntime(1105): java.lang.RuntimeException: Unable to start activity ComponentInfo{net.learnscripture.webviewapp/net.learnscripture.webviewapp.Dashboard}: android.view.InflateException: Binary XML file line #16: Error inflating class com.google.ads.AdView
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.app.ActivityThread.access$1500(ActivityThread.java:117)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.os.Handler.dispatchMessage(Handler.java:99)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.os.Looper.loop(Looper.java:130)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.app.ActivityThread.main(ActivityThread.java:3683)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at java.lang.reflect.Method.invokeNative(Native Method)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at java.lang.reflect.Method.invoke(Method.java:507)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:880)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:638)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at dalvik.system.NativeStart.main(Native Method)
06-14 04:53:17.850: E/AndroidRuntime(1105): Caused by: android.view.InflateException: Binary XML file line #16: Error inflating class com.google.ads.AdView
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:581)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:623)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.view.LayoutInflater.inflate(LayoutInflater.java:408)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:207)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.app.Activity.setContentView(Activity.java:1660)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at net.learnscripture.webviewapp.Dashboard.onCreate(Dashboard.java:39)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
06-14 04:53:17.850: E/AndroidRuntime(1105):     ... 11 more
06-14 04:53:17.850: E/AndroidRuntime(1105): Caused by: java.lang.ClassNotFoundException: com.google.ads.AdView in loader dalvik.system.PathClassLoader[/data/app/net.learnscripture.webviewapp-1.apk]
06-14 04:53:17.850: E/AndroidRuntime(1105):     at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.view.LayoutInflater.createView(LayoutInflater.java:471)
06-14 04:53:17.850: E/AndroidRuntime(1105):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:570)
06-14 04:53:17.850: E/AndroidRuntime(1105):     ... 20 more
4

1 回答 1

0

从 logcat 中可以清楚地看出 AdView 类不可用

06-14 04:53:17.850: E/AndroidRuntime(1105): Caused by: java.lang.ClassNotFoundException: com.google.ads.AdView in loader dalvik.system.PathClassLoader[/data/app/net.learnscripture.webviewapp-1.apk]

ADT 更新后的 ClassNotFoundException

于 2013-06-14T10:04:52.940 回答