import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
import com.zhy.ioc.view.ViewInjectUtils;
import com.zhy.ioc.view.annotation.ContentView;
import com.zhy.ioc.view.annotation.ViewInject;
@ContentView(value = R.layout.activity_main)
public class MainActivity extends Activity implements OnClickListener
{
@ViewInject(R.id.id_btn)
private Button mBtn1;
@ViewInject(R.id.id_btn02)
private Button mBtn2;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
ViewInjectUtils.inject(this);
mBtn1.setOnClickListener(this);
mBtn2.setOnClickListener(this);
}
@Override
public void onClick(View v)
{
switch (v.getId())
{
case R.id.id_btn:
Toast.makeText(MainActivity.this, "Why do you click me ?",
Toast.LENGTH_SHORT).show();
break;
case R.id.id_btn02:
Toast.makeText(MainActivity.this, "I am sleeping !!!",
Toast.LENGTH_SHORT).show();
break;
}
}
}
注解都写好了,核心的代码就是ViewInjectUtils.inject(this)了~
(3)ViewInjectUtils
A、首先是注入主布局文件的代码:
/**
* 注入主布局文件
*
* @param activity
*/
private static void injectContentView(Activity activity)
{
Class<? extends Activity> clazz = activity.getClass();
// 查询类上是否存在ContentView注解
ContentView contentView = clazz.getAnnotation(ContentView.class);
if (contentView != null)// 存在
{
int contentViewLayoutId = contentView.value();
try
{
Method method = clazz.getMethod(METHOD_SET_CONTENTVIEW,
int.class);
method.setAccessible(true);
method.invoke(activity, contentViewLayoutId);
} catch (Exception e)
{
e.printStackTrace();
}
}
}