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Diffstat (limited to 'docs/html/about/versions/android-4.2.jd')
| -rw-r--r-- | docs/html/about/versions/android-4.2.jd | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/docs/html/about/versions/android-4.2.jd b/docs/html/about/versions/android-4.2.jd index 13ee872..b02c1d1 100644 --- a/docs/html/about/versions/android-4.2.jd +++ b/docs/html/about/versions/android-4.2.jd @@ -111,6 +111,20 @@ android:targetSdkVersion}</a> and <a href="{@docRoot}guide/topics/manifest/uses- android:minSdkVersion}</a> is lower than 17, your app is not able to modify the settings that have moved to {@link android.provider.Settings.Global} when running on Android 4.2 and higher.</p> </li> + + <li>If your app uses {@link android.webkit.WebView}, Android 4.2 adds an additional layer of + security so you can more safely <b>bind JavaScript to your + Android code</b>. If you set your + <a href="{@docRoot}guide/topics/manifest/uses-sdk-element.html#target">{@code targetSdkVersion}</a> + to 17 or higher, you must now add the {@code @JavascriptInterface} annotation to any method that you + want available to your JavaScript (the method must also be public). If you do not provide the + annotation, the method is not accessible by a web page in your {@link android.webkit.WebView} + when running on Android 4.2 or higher. If you set the + <a href="{@docRoot}guide/topics/manifest/uses-sdk-element.html#target">{@code targetSdkVersion}</a> + to 16 or lower, the annotation is not required, but we recommend that you update your target version + and add the annotation for additional security. + <p>Read more about <a href="{@docRoot}guide/webapps/webview.html#BindingJavaScript">binding + JavaScript code to Android code</a>.</p></li> </ul> |