我的webview应用程序已处理外部网址(可以打开来自viber,浏览器等外部应用程序的链接),如下所示 - (i got this code from here)
// get URL from browsable intent filter
TextView uri = (TextView) findViewById(R.id.urlField);
// get the url
url = getIntent().getDataString();
Uri data = getIntent().getData();
if (data == null) {
uri.setText("");
} else {
uri.setText(getIntent().getData().toString());
fadeout();
}
// }
在我的网页设置
中// Load URL from Browsable intent filter if there is a valid URL pasted
if (uri.length() > 0)
webView.loadUrl(url);
else
// dont load
这就是我在webview中处理下载的方式
// download manager
webView.setDownloadListener(new DownloadListener() {
@Override
public void onDownloadStart(String url, String userAgent,
String contentDisposition, String mimeType,
long contentLength) {
DownloadManager.Request request = new DownloadManager.Request(
Uri.parse(url));
request.setMimeType(mimeType);
String cookies = CookieManager.getInstance().getCookie(url);
request.addRequestHeader("cookie", cookies);
request.addRequestHeader("User-Agent", userAgent);
request.setDescription("Downloading file...");
request.setTitle(URLUtil.guessFileName(url, contentDisposition,
mimeType));
request.allowScanningByMediaScanner();
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
request.setDestinationInExternalPublicDir(
Environment.DIRECTORY_DOWNLOADS, URLUtil.guessFileName(
url, contentDisposition, mimeType));
DownloadManager dm = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
dm.enqueue(request);
Toast.makeText(getApplicationContext(), "Downloading File",
Toast.LENGTH_LONG).show();
}
});
// download manager
但是,我想处理其他应用程序传递的下载意图。我该怎么做?
这是我用来从另一个应用程序打开系统默认应用程序选择器。(我的应用程序在这里列出) -
// download via...
webView.setDownloadListener(new DownloadListener() {
public void onDownloadStart(String url, String userAgent,
String contentDisposition, String mimetype,
long contentLength) {
Intent i = new Intent(Intent.ACTION_VIEW);
i.setData(Uri.parse(url));
startActivity(i);
Toast.makeText(getApplicationContext(), "don't choose our app as it can't handle download intents, i have posted a question on stackoverflow though.",
Toast.LENGTH_SHORT).show();
}
});
// download via..
每当我点击下载链接时,我的应用程序都会打开,但只是静坐而不是打开网址。我希望它像下载应用程序一样
答案 0 :(得分:3)
你必须解决问题
替换
startActivity(Intent.createChooser(i, "caption of the choser"));
带
<manifest ... >
<application ... >
<activity android:name=".MyDownloadActivity" ...>
<intent-filter >
<action android:name="android.intent.action.VIEW" />
<action android:name="android.intent.action.SEND" />
<action android:name="android.intent.action.SENDTO" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<data
android:mimeType="*/*"
android:scheme="file" />
</intent-filter>
<intent-filter > <!-- mime only SEND(_TO) -->
<action android:name="android.intent.action.SEND" />
<action android:name="android.intent.action.SENDTO" />
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<category android:name="android.intent.category.CATEGORY_OPENABLE" />
<!--
these do not work :-(
<data android:scheme="content" android:host="*" />
<data android:scheme="content"
android:host="media"
android:pathPattern="/external/images/media/.*" />
<data android:host="*" android:scheme="content"
android:mimeType="image/*" />
-->
<data android:mimeType="*/*" />
</intent-filter>
</activity>
</application>
</manifest>
在清单中,您必须声明您有一个可以处理相关内容的活动
MyDownloadActivity.onCreate()
MyDownloadActivity 您的{{1}}将收到SEND,SENDTO,VIEW的所有mime-types * / *。有关详细信息,请参阅@ Vickyexpert的回答
intent-intercept是一个免费的Android工具来分析意图。它几乎可以拦截每一个意图。您可以查看源代码以了解如何完成此操作。
我使用sendtosd作为我的通用下载处理程序。它的源代码编码器可以在github上找到
答案 1 :(得分:2)
您需要将以下代码放在您的活动中,以响应意图,
void onCreate(Bundle savedInstanceState) {
// Get intent, action and MIME type
Intent intent = getIntent();
String action = intent.getAction();
String type = intent.getType();
if (Intent.ACTION_VIEW.equals(action))
{
*/if (type.startsWith("image/“))
{*/
downloadImage(intent); // Download image being sent
}
}
void downloadImage(Intent intent) {
Uri imageUri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
if (imageUri != null) {
// Write Your Download Code Here
}
}