反射得到全局Context
16lz
2021-01-26
public static Context getContext() {
Application application = null;
try {
Class<?> activityThreadClass = Class.forName("android.app.ActivityThread");
Object activityThread;
activityThread = activityThreadClass.getMethod("currentActivityThread").invoke(null);
Field activitiesField = activityThreadClass.getDeclaredField("mInitialApplication");
activitiesField.setAccessible(true);
application = (Application)activitiesField.get(activityThread);
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (NoSuchFieldException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return application;
}
Application application = null;
try {
Class<?> activityThreadClass = Class.forName("android.app.ActivityThread");
Object activityThread;
activityThread = activityThreadClass.getMethod("currentActivityThread").invoke(null);
Field activitiesField = activityThreadClass.getDeclaredField("mInitialApplication");
activitiesField.setAccessible(true);
application = (Application)activitiesField.get(activityThread);
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (NoSuchFieldException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return application;
}
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