深入理解 Context
阿新 • • 發佈:2019-02-04
看到了,context 就是此處的 appContext 他是 ContextImpl 物件,好了,現在我們知道 ContextImpl 才是真正的實現者了。private Activity performLaunchActivity(ActivityClientRecord r, Intent customIntent) { Activity activity = null; try { java.lang.ClassLoader cl = r.packageInfo.getClassLoader(); activity = mInstrumentation.newActivity( cl, component.getClassName(), r.intent); } catch (Exception e) { } try { if (activity != null) { ContextImpl appContext = new ContextImpl(); appContext.init(r.packageInfo, r.token, this); appContext.setOuterContext(activity); CharSequence title = r.activityInfo.loadLabel(appContext.getPackageManager()); Configuration config = new Configuration(mCompatConfiguration); activity.attach(appContext, this, getInstrumentation(), r.token, r.ident, app, r.intent, r.activityInfo, title, r.parent, r.embeddedID, r.lastNonConfigurationInstances, config);