//访问某个属性 |
Context mmsCtx = createPackageContext("com.android.lockscreen",
Context.CONTEXT_INCLUDE_CODE | Context.CONTEXT_IGNORE_SECURITY);
Class<?> maClass = Class.forName("com.android.lockscreen.LockScreenActivity", true, mmsCtx.getClassLoader());
Object maObject = maClass.newInstance();Field f_mPm = maClass.getDeclaredField("TAG");
f_mPm.setAccessible(true);
Log.i(LOG_TAG, "___________________________________________obj:"+f_mPm.get(maObject));
|
//访问方法
//访问try {
Context mmsCtx = createPackageContext("com.android.lockscreen",
Context.CONTEXT_INCLUDE_CODE | Context.CONTEXT_IGNORE_SECURITY);
Class<?> maClass = Class.forName("com.android.lockscreen.LockScreenActivity", true, mmsCtx.getClassLoader());
Object maObject = maClass.newInstance();
Field f_mPm = maClass.getDeclaredField("TAG");
//maClass.getDeclaredMethod("", parameterTypes);
f_mPm.setAccessible(true);
Log.i(LOG_TAG, "___________________________________________obj:"+f_mPm.get(maObject));
Class[] resource = new Class[]{Context.class};
Object[] resourceObj = new Object[]{mmsCtx};
Method addsMethod = maClass.getDeclaredMethod("getLockScreenView", resource);
addsMethod.setAccessible(true);
View addsResult = (View)addsMethod.invoke(maObject, resourceObj);
Log.i(LOG_TAG, "___________________________________________addsResult:"+addsResult);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//定义被访问public class LockScreenActivity extends Activity {
private String TAG = "LockScreenActivity";
//private LockScreen mScreen = new LockScreen(LockScreenActivity.this);
private LockScreen getLockScreenView(Context context){
Log.i(TAG, "_________________________________________context:"+context);
return new LockScreen(context);
}
} |
//获取setting包的的Context Context mmsCtx = createPackageContext("com.android.settings",
Context.CONTEXT_INCLUDE_CODE | Context.CONTEXT_IGNORE_SECURITY);
//使用setting的classloader加载com.android.settings.ManageApplications类
Class<?> maClass = Class.forName("com.android.settings.ManageApplications", true, mmsCtx.getClassLoader());
//创建它的一个对象
Object maObject = maClass.newInstance();
/*
* 将私有域mPm赋值。因为mPm在SizeObserver的invokeGetSize中用到了，
* 却因为没有执行onCreate而没有初始化，所以要在此处初始化。
*/ Field f_mPm = maClass.getDeclaredField("mPm");
f_mPm.setAccessible(true);
f_mPm.set(maObject, mmsCtx.getPackageManager());
|
分类: android solve
本文转自wanqi博客园博客，原文链接http://www.cnblogs.com/wanqieddy/archive/2011/10/25/2224200.html：如需转载请自行联系原作者