tv_cz_10 = (TextView) findViewById(R.id.tv_cz_10);
tv_cz_20 = (TextView) findViewById(R.id.tv_cz_20);
tv_cz_30 = (TextView) findViewById(R.id.tv_cz_30);
tv_cz_50 = (TextView) findViewById(R.id.tv_cz_50);
tv_cz_10.setOnClickListener(this);
tv_cz_20.setOnClickListener(this);
tv_cz_30.setOnClickListener(this);
tv_cz_50.setOnClickListener(this);

public abstract class BaseActivity extends FragmentActivity implements View.OnClickListener {

 private SparseArray<View> mViews;

 public abstract int getLayoutId();

 public abstract void initViews();

 public abstract void initListener();

 public abstract void initData();

 public abstract void processClick(View v);

 public void onClick(View v) {
 processClick(v);
 }

 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 mViews = new SparseArray<>();
 setContentView(getLayoutId());
 initViews();
 initListener();
 initData();
 }

 /**
 * 通过ID找到View
 */
 public <E extends View> E findView(int viewId) {
 E view = (E) mViews.get(viewId);
 if (view == null) {
 view = (E) findViewById(viewId);
 mViews.put(viewId, view);
 }
 return view;
 }

 /**
 * View设置OnClick事件
 */
 public <E extends View> void setOnClick(E view){
 view.setOnClickListener(this);
 }
}

public class SearchActivity extends BaseActivity {

 BannerController bannerController;
 ShopController shopController;

 private ImageView iv_zxing;
 private TextView tv_sure;

 @Override
 public int getLayoutId() {
 //这里用来获取Activity的layout
 return R.layout.activity_search;
 }

 @Override
 public void initViews() {
 //这里用来初始化View
 iv_zxing = findView(R.id.iv_zxing);
 tv_sure = findView(R.id.tv_sure);
 }

 @Override
 public void initListener() {
 //这里用来初始化点击事件
 setOnClick(iv_zxing);
 setOnClick(tv_sure);
 }

 @Override
 public void initData() {
 //这里用来设置数据、获取数据、读取网络数据、这里所做的一切都可以在Controller实现
 bannerController = new BannerController(getActivity());
 shopController = new ShopController(getActivity());

 initShop();
 initBanner();
 }


 @Override
 public void processClick(View v) {
 //这里用来处理点击事件
 switch (v.getId()) {
 case R.id.iv_zxing:

 break;
 case R.id.tv_sure:

 break;
 }
 }

 private void initShop() {

 }

 private void initBanner() {

 }
}

public <E extends View> E F(int viewId) {
 E view = (E) mViews.get(viewId);
 if (view == null) {
 view = (E) findViewById(viewId);
 mViews.put(viewId, view);
 }
 return view;
}

public <E extends View> void C(E view){
 view.setOnClickListener(this);
}

//用起来也很帅哦
@Override
public void initViews() {
 iv_zxing = F(R.id.iv_zxing);
 tv_sure = F(R.id.tv_sure);
}

@Override
public void initListener() {
 C(iv_zxing);
 C(tv_sure);
}

public abstract class BaseFragment extends Fragment implements View.OnClickListener {

 private boolean isVisible = false;
 private boolean isInitView = false;
 private boolean isFirstLoad = true;

 public View convertView;
 private SparseArray<View> mViews;

 public abstract int getLayoutId();

 public abstract void initViews();

 public abstract void initListener();

 public abstract void initData();

 public abstract void processClick(View v);

 @Override
 public void onClick(View v) {
 processClick(v);
 }

 @Override
 public void setUserVisibleHint(boolean isVisibleToUser) {
 super.setUserVisibleHint(isVisibleToUser);
 if (isVisibleToUser) {
 isVisible = true;
 lazyLoad();
 } else {
 //设置已经不是可见的
 isVisible = false;
 }
 }

 @Override
 public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 mViews = new SparseArray<>();
 convertView = inflater.inflate(getLayoutId(), container, false);
 initViews();

 isInitView = true;
 lazyLoad();
 return convertView;
 }

 //懒加载
 private void lazyLoad() {
 if (!isFirstLoad || !isVisible || !isInitView) {
 //如果不是第一次加载、不是可见的、不是初始化View，则不加载数据
 return;
 }
 //加载数据
 initListener();
 initData();
 //设置已经不是第一次加载
 isFirstLoad = false;
 }

 public <E extends View> E findView(int viewId) {
 if (convertView != null) {
 E view = (E) mViews.get(viewId);
 if (view == null) {
 view = (E) convertView.findViewById(viewId);
 mViews.put(viewId, view);
 }
 return view;
 }
 return null;
 }

 public <E extends View> void setOnClick(E view){
 view.setOnClickListener(this);
 }
}

public class HomeFragment extends BaseFragment {

 ShopController shopController;

 private ImageView iv_speech;
 private TextView tv_search;


 @Override
 public int getLayoutId() {
 return R.layout.fragment_home;
 }

 @Override
 public void initViews() { 
 iv_speech = findView(R.id.iv_speech);
 tv_search = findView(R.id.tv_search);
 }

 @Override
 public void initData() {
 shopController = new ShopController(getActivity());

 initShop();
 }

 @Override
 public void initListener() {
 setOnClick(iv_speech);
 setOnClick(tv_search);
 }

 @Override
 public void processClick(View v) {
 switch (v.getId()) {
 case R.id.iv_speech:

 break;
 case R.id.tv_search:

 break;
 }
 }

 private void initShop() {

 }
}

//设置缓存页面
viewPager.setOffscreenPageLimit(5);

public abstract class BaseApplication extends Application {

 public abstract void initConfigs();

 @Override
 public void onCreate() {
 super.onCreate();
 initConfigs();
 }

}