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Code Issues Releases Wiki Activity

WebView: Open links in external Browser

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1a20ca06f1 connected a WebViewClient
to the WebView. But as soon as a client is connected, the WebView
stops handling links itself and tries to display everything on
its own.

Override shouldOverrideUrlLoading() and replicate what Android's
default WebView does if no WebViewClient is connected to work
around this.

This fixes #587.
This commit is contained in:
m0viefreak 2015-03-26 02:17:48 +01:00
parent ffc5ba2cf3
commit 46f74bd11c
1 changed files with 27 additions and 0 deletions
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27
k9mail/src/main/java/com/fsck/k9/view/K9WebViewClient.java
View File

@ -5,11 +5,14 @@ import java.io.InputStream;
import java.util.Stack; import java.util.Stack;
import android.annotation.TargetApi; import android.annotation.TargetApi;
import android.content.ActivityNotFoundException;
import android.content.ContentResolver; import android.content.ContentResolver;
import android.content.Context; import android.content.Context;
import android.content.Intent;
import android.net.Uri; import android.net.Uri;
import android.os.Build; import android.os.Build;
import android.os.Build.VERSION_CODES; import android.os.Build.VERSION_CODES;
import android.provider.Browser;
import android.text.TextUtils; import android.text.TextUtils;
import android.util.Log; import android.util.Log;
import android.webkit.WebResourceRequest; import android.webkit.WebResourceRequest;
@ -48,6 +51,30 @@ public abstract class K9WebViewClient extends WebViewClient {
this.part = part; this.part = part;
} }
@Override
public boolean shouldOverrideUrlLoading(WebView webView, String url) {
Context context = webView.getContext();
Uri uri = Uri.parse(url);
if (!CID_SCHEME.equals(uri.getScheme())) {
// Replicate Android 4 android.webkit.CallbackProxy.uiOverrideUrlLoading()
// default behavior to open clicked links in external applications.
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
intent.addCategory(Intent.CATEGORY_BROWSABLE);
// If another application is running a WebView and launches the
// Browser through this Intent, we want to reuse the same window if
// possible.
intent.putExtra(Browser.EXTRA_APPLICATION_ID, context.getPackageName());
try {
context.startActivity(intent);
return true;
} catch (ActivityNotFoundException ex) {
// If no application can handle the URL, assume that the
// WebView can handle it.
}
}
return false;
}
protected WebResourceResponse shouldInterceptRequest(WebView webView, Uri uri) { protected WebResourceResponse shouldInterceptRequest(WebView webView, Uri uri) {
if (!CID_SCHEME.equals(uri.getScheme())) { if (!CID_SCHEME.equals(uri.getScheme())) {
return RESULT_DO_NOT_INTERCEPT; return RESULT_DO_NOT_INTERCEPT;