ViewGroup.LayoutParams bannerParams = mBanner.getLayoutParams();
int resourceId = getContext().getResources().getIdentifier("status_bar_height",
"dimen","android");
int statusBarHeight = getContext().getResources().getDimensionPixelSize(resourceId);
height = bannerParams.height - statusBarHeight - 104;
return convertView;
}
//模拟后台请求数据 存放在AssertsFile文件夹里
public static byte[] getAssertsFile(Context context, String fileName) {
InputStream inputStream = null;
//读取资源
AssetManager assetManager = context.getAssets();
try {
inputStream = assetManager.open(fileName);
if (inputStream == null) {
return null;
}
BufferedInputStream bis = null;
int length;
try {
bis = new BufferedInputStream(inputStream);
length = bis.available();
byte[] data = new byte[length];
bis.read(data);
return data;
} catch (IOException e) {
} finally {
if (bis != null) {
try {
bis.close();
} catch (Exception e) {
}
}
}
return null;
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
}
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基类Fragment
public abstract class BaseFragment extends Fragment {
View mView;
boolean isLoad = false;
boolean isInit = false;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
if (mView == null)
mView = inflater.inflate(getLayoutId(), container, false);
isInit = true;
initView(mView);
isCanLoadData();
return mView;
}
public abstract void initView(View mView);
/**
* 视图是否已经对用户可见，系统的方法
*/
@Override
public void setUserVisibleHint(boolean isVisibleToUser) {
super.setUserVisibleHint(isVisibleToUser);
isCanLoadData();
}
/**
* 懒加载
*/
private void isCanLoadData() {
if (!isInit) {
return;
}
if (getUserVisibleHint() && !isLoad) {
lazyLoad();
isLoad = true;
} else {
if (isLoad) {
stopLoad();
}
}
}
@Override
public void onDestroyView() {
super.onDestroyView();
isInit = false;
}
/**
* 第一次加载的处理 此处可以留给加载网络去处理
*/
public void lazyLoad() {
}
/**
* 页面停止加载的处理
*/
public void stopLoad() {
}
public abstract int getLayoutId();
}
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核心adapter
public class TestHomeAdapter extends MultipleItemRvAdapter<TestBean, BaseViewHolder> {
//通栏商品大图片
public static final int TYPE_IMG = 100;
//通栏图文
public static final int TYPE_TEXT_AND_IMG = 200;
//通栏文本
public static final int TYPE_TEXT = 300;
//三列
public static final int TYPE_THREE_COLUMN = 400;
//通栏水平拖动
public static final int TYPE_HORIZONTAL_SCROLL = 500;
//通栏窄图片
public static final int TYPE_NARROW_IMG = 600;
//两列
public static final int TYPE_TWO_COLUMN = 700;
public TestHomeAdapter() {
super(null);
finishInitialize();
}
@Override
protected int getViewType(TestBean testBean) {
int type = testBean.getType();
if (type == 1) {
return TYPE_IMG;
} else if (type == 2) {
return TYPE_TEXT_AND_IMG;
} else if (type == 3) {
return TYPE_TEXT;
} else if (type == 4) {
return TYPE_THREE_COLUMN;
} else if (type == 5) {
return TYPE_HORIZONTAL_SCROLL;
} else if (type == 6) {
return TYPE_NARROW_IMG;
} else if (type == 7) {
return TYPE_TWO_COLUMN;
}
return 0;
}