由网友(昔ㄖ夕阳╰)分享简介:我是一个新手在Android开发。我必须展示从URL的PDF文件。这是我目前的code,但我不能显示PDF文件:公共类TestActivity扩展活动{公共无效的onCreate(包savedInstanceState){super.onCreate(savedInstanceState);的setContentVi...
我是一个新手在Android开发。我必须展示从URL的PDF文件。
这是我目前的code,但我不能显示PDF文件:
公共类TestActivity扩展活动
{
公共无效的onCreate(包savedInstanceState)
{
super.onCreate(savedInstanceState);
的setContentView(R.layout.main);
System.setProperty(http.proxyHost,192.168.0.2);
System.setProperty(把http.proxyPort,8080);
showPdf();
}
私人无效showPdf()
{
的WebView的WebView =新的WebView(本);
的setContentView(web视图);
webview.getSettings()setJavaScriptEnabled(真)。
Log.v(......你好......,);
webview.loadUrl(http://docs.google.com/gview?embedded=true&url=http://myurl.com/demo.pdf);
}
}
logcat的:
10-11 14:50:49.586:ERROR / AndroidRuntime(537):致命异常:主要
10-11 14:50:49.586:ERROR / AndroidRuntime(537):android.app.SuperNotCalledException:活动{com.vidushi.Test / com.vidushi.Test.TestActivity}没有要求通过对super.onCreate()
10-11 14:50:49.586:ERROR / AndroidRuntime(537):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2629)
10-11 14:50:49.586:ERROR / AndroidRuntime(537):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
10-11 14:50:49.586:ERROR / AndroidRuntime(537):在android.app.ActivityThread.access $ 2300(ActivityThread.java:125)
10-11 14:50:49.586:ERROR / AndroidRuntime(537):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:2033)
10-11 14:50:49.586:ERROR / AndroidRuntime(537):在android.os.Handler.dispatchMessage(Handler.java:99)
10-11 14:50:49.586:ERROR / AndroidRuntime(537):在android.os.Looper.loop(Looper.java:123)
10-11 14:50:49.586:ERROR / AndroidRuntime(537):在android.app.ActivityThread.main(ActivityThread.java:4627)
10-11 14:50:49.586:ERROR / AndroidRuntime(537):在java.lang.reflect.Method.invokeNative(本机方法)
10-11 14:50:49.586:ERROR / AndroidRuntime(537):在java.lang.reflect.Method.invoke(Method.java:521)
10-11 14:50:49.586:ERROR / AndroidRuntime(537):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:868)
10-11 14:50:49.586:ERROR / AndroidRuntime(537):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
10-11 14:50:49.586:ERROR / AndroidRuntime(537):在dalvik.system.NativeStart.main(本机方法)
解决方案
它的工作在这里很好。还是让我建议你测试你是否已经添加INTERNET权限在AndroidManifest.xml文件与否:
<使用-权限的Android:名称=android.permission.INTERNET对>< /使用-许可>
更新:
你要打开的链接: http://litofinter.es。 milfoil.arvixe.com/PDF/Book6.pdf
现在它也正在这里很好:
I am a novice at android development. I have to show a PDF from a URL.
This is my current code but I'm not able to show the PDF file:
public class TestActivity extends Activity
{
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
System.setProperty("http.proxyHost","192.168.0.2");
System.setProperty("http.proxyPort","8080");
showPdf();
}
private void showPdf()
{
WebView webview = new WebView(this);
setContentView(webview);
webview.getSettings().setJavaScriptEnabled(true);
Log.v("....hello....","");
webview.loadUrl("http://docs.google.com/gview?embedded=true&url=http://myurl.com/demo.pdf");
}
}
Logcat:
10-11 14:50:49.586: ERROR/AndroidRuntime(537): FATAL EXCEPTION: main
10-11 14:50:49.586: ERROR/AndroidRuntime(537): android.app.SuperNotCalledException: Activity {com.vidushi.Test/com.vidushi.Test.TestActivity} did not call through to super.onCreate()
10-11 14:50:49.586: ERROR/AndroidRuntime(537): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2629)
10-11 14:50:49.586: ERROR/AndroidRuntime(537): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
10-11 14:50:49.586: ERROR/AndroidRuntime(537): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
10-11 14:50:49.586: ERROR/AndroidRuntime(537): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
10-11 14:50:49.586: ERROR/AndroidRuntime(537): at android.os.Handler.dispatchMessage(Handler.java:99)
10-11 14:50:49.586: ERROR/AndroidRuntime(537): at android.os.Looper.loop(Looper.java:123)
10-11 14:50:49.586: ERROR/AndroidRuntime(537): at android.app.ActivityThread.main(ActivityThread.java:4627)
10-11 14:50:49.586: ERROR/AndroidRuntime(537): at java.lang.reflect.Method.invokeNative(Native Method)
10-11 14:50:49.586: ERROR/AndroidRuntime(537): at java.lang.reflect.Method.invoke(Method.java:521)
10-11 14:50:49.586: ERROR/AndroidRuntime(537): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
10-11 14:50:49.586: ERROR/AndroidRuntime(537): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
10-11 14:50:49.586: ERROR/AndroidRuntime(537): at dalvik.system.NativeStart.main(Native Method)
解决方案
Its working fine here. Still let me suggest you to test whether you have added INTERNET permission in AndroidManifest.xml file or not:
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
Update:
The link you want to open is: http://litofinter.es.milfoil.arvixe.com/PDF/Book6.pdf
Now its also working fine here:
相关推荐
最新文章