我的Android应用程序有问题。我想通过这样做,创建一个新的观点:关于继承视图的setLayoutParams
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
LinearLayout l = (LinearLayout)findViewById(R.id.mainActivity);
f = new InheritedView(this);
f.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.FILL_PARENT));
l.addView(f);
}
随着
public class InheritedView extends ImageView implements AbstractView
public InheritedView(Context context) {
super(context);
}
但是,当我测试,执行setLayoutParams当我的应用程序崩溃与java.lang.StackOverflowError的(..)。 但是,下面的工作:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
LinearLayout l = (LinearLayout)findViewById(R.id.mainActivity);
f = new ImageView(this);
f.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.FILL_PARENT));
l.addView(f);
}
logcat的文件
致命异常:主 工艺:fr.cameleoz.nemo,PID:30304 java.lang.StackOverflowError的 在fr.cameleoz.nemo。 business.factories.nemoviews.impl.InheritedView.setLayoutParams(InheritedView.java:32) at fr.cameleoz.nemo.business.factories.nemoviews.impl.InheritedView.setLayoutParams(InheritedView.java:32) at fr.cameleoz。 nemo.business.factories.nemoviews.impl.InheritedView.setLayoutParams(InheritedView.java:32)(继承视图.java:32) (继承的视图)。在32位客户端上, ...) at [012]你能解释我为什么吗? 谢谢
您是否尝试切换addView和setLayoutParams行? – Blackbelt
我有。它崩溃,因为缺乏必要的参数,我猜... –
有一些东西在logcat中出现。应用程序不会无缘无故地崩溃。 –