Android Studio 中關聯源碼跟 Eclipse 不太一樣:
Eclipse 關聯的 SDK 默認沒附帶源碼,需要自己去下載,存放在 $USER_HOME$/charo/software/sdk/sdk/source/src 之下,源碼中附帶有源碼的註釋文檔,以 Android 中 Activity 的 findViewById 方法爲例,如下所示(Activity.class):
/**
* Finds a view that was identified by the id attribute from the XML that
* was processed in {@link #onCreate}.
*
* @return The view if found or null otherwise.
*/
@Nullable
public View findViewById(@IdRes int id) {
return getWindow().findViewById(id);
}
Android Studio 關聯的 SDK 本身就自帶有源碼,但默認源碼中不帶註釋,如下(Activity.class):
/** @deprecated */
@Deprecated
public void stopManagingCursor(Cursor c) {
throw new RuntimeException("Stub!");
}
public View findViewById(int id) {
throw new RuntimeException("Stub!");
}
public ActionBar getActionBar() {
throw new RuntimeException("Stub!");
}
所以 Android Studio 需要我們自己去下載並關聯註釋文檔,首先是下載:
其次是關聯,vi $USER_HOME$/.AndroidStudio2.1/config/options/jdk.table.xml(粗體彩色字爲添加的內容):
<application>
<component name="ProjectJdkTable">
<jdk version="2">
<name value="Android API 23 Platform" />
<type value="Android SDK" />
<homePath value="$USER_HOME$/charo/software/adt-bundle-linux-x86-20140321/sdk" />
<roots>
<annotationsPath>
<root type="composite">
<root type="simple" url="jar://$APPLICATION_HOME_DIR$/plugins/android/lib/androidAnnotations.jar!/" />
</root>
</annotationsPath>
<classPath>
<root type="composite">
<root type="simple" url="jar://$USER_HOME$/charo/software/adt-bundle-linux-x86-20140321/sdk/platforms/android-23/android.jar!/" />
<root type="simple" url="file://$USER_HOME$/charo/software/adt-bundle-linux-x86-20140321/sdk/platforms/android-23/data/res" />
</root>
</classPath>
<javadocPath>
<root type="composite">
<root type="simple" url="file://$USER_HOME$/charo/software/adt-bundle-linux-x86-20140321/sdk/docs/reference" />
</root>
</javadocPath>
<sourcePath>
<root type="composite">
<root type="simple" url="file://$USER_HOME$/charo/software/adt-bundle-linux-x86-20140321/sdk/platforms/android-23" />
</root>
</sourcePath>
</roots>
<additional jdk="1.7" sdk="android-23" />
</jdk>
<jdk version="2">
<name value="1.7" />
<type value="JavaSDK" />
<version value="java version "1.7.0_55"" />
<homePath value="$USER_HOME$/charo/software/jdk1.7.0_55" />
<roots>
<annotationsPath>
<root type="composite">
<root type="simple" url="jar://$APPLICATION_HOME_DIR$/lib/jdkAnnotations.jar!/" />
</root>
</annotationsPath>
<classPath>
<root type="composite">
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/charsets.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/deploy.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/ext/dnsns.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/ext/localedata.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/ext/mysql-connector-java-5.1.16.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/ext/sunec.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/ext/sunjce_provider.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/ext/sunpkcs11.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/ext/zipfs.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/javaws.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/jce.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/jfr.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/jfxrt.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/jsse.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/management-agent.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/plugin.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/resources.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/rt.jar!/" />
</root>
</classPath>
<javadocPath>
<root type="composite">
<root type="simple" url="http://docs.oracle.com/javafx/2/api/" />
</root>
</javadocPath>
<sourcePath>
<root type="composite">
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/src.zip!/" />
</root>
</sourcePath>
</roots>
<additional />
</jdk>
</component>
</application>
file://$USER_HOME$/charo/software/adt-bundle-linux-x86-20140321/sdk/docs/reference" />
</root>
</javadocPath>
<sourcePath>
<root type="composite">
<root type="simple" url="file://$USER_HOME$/charo/software/adt-bundle-linux-x86-20140321/sdk/platforms/android-23" />
</root>
</sourcePath>
</roots>
<additional jdk="1.7" sdk="android-23" />
</jdk>
<jdk version="2">
<name value="1.7" />
<type value="JavaSDK" />
<version value="java version "1.7.0_55"" />
<homePath value="$USER_HOME$/charo/software/jdk1.7.0_55" />
<roots>
<annotationsPath>
<root type="composite">
<root type="simple" url="jar://$APPLICATION_HOME_DIR$/lib/jdkAnnotations.jar!/" />
</root>
</annotationsPath>
<classPath>
<root type="composite">
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/charsets.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/deploy.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/ext/dnsns.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/ext/localedata.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/ext/mysql-connector-java-5.1.16.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/ext/sunec.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/ext/sunjce_provider.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/ext/sunpkcs11.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/ext/zipfs.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/javaws.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/jce.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/jfr.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/jfxrt.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/jsse.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/management-agent.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/plugin.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/resources.jar!/" />
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/jre/lib/rt.jar!/" />
</root>
</classPath>
<javadocPath>
<root type="composite">
<root type="simple" url="http://docs.oracle.com/javafx/2/api/" />
</root>
</javadocPath>
<sourcePath>
<root type="composite">
<root type="simple" url="jar://$USER_HOME$/charo/software/jdk1.7.0_55/src.zip!/" />
</root>
</sourcePath>
</roots>
<additional />
</jdk>
</component>
</application>