package com.example.assignment.client;
import
android.content.Intent;
import
android.os.Bundle;
import
android.view.Gravity;
import
android.view.View;
import
androidx.annotation.Nullable;
import
androidx.fragment.app.Fragment;
import
androidx.recyclerview.widget.RecyclerView;
import
androidx.viewpager2.widget.ViewPager2;
import com.example.assignment.R;
import com.example.assignment.client.repo.ClientItem;
import com.example.assignment.databinding.ActivityClientBinding;
import com.example.assignment.login.CreateIDActivity;
import com.example.assignment.login.LoginChooseActivity;
import com.google.
android.material.dialog.MaterialAlertDialogB
uilder;
import com.google.
android.material.
tabs.TabLayoutMediator;
import com.tplink.apps.architecture.BaseMvvmActivity;
import com.tplink.design.menu.TPListPopupWindow;
import com.tplink.design.menu.TPSimplePopupAdapter;
import com.tplink.design.menu.TPSimplePopupMen
uItem;
import java.util.ArrayList;
import java.util.List;
public class ClientActivity extends BaseMvvmActivity<ActivityClientBinding> {
private int currentPagePosition = 0; // 当前页面位置
@Nullable
@Override
protected ActivityClientBinding bindContentView(@Nullable Bundle bundle) {
return ActivityClientBinding.inflate(getLayoutInflater());
}
@Override
protected void subscribeViewModel(@Nullable Bundle bundle) {
// 设置适配器
ViewPagerAdapter adapter = new ViewPagerAdapter(this);
viewBinding.viewPager.setAdapter(adapter);
viewBinding.viewPager.setOffscreenPageLimit(2); // 预加载所有页面
// 添加页面切换监听
viewBinding.viewPager.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
@Override
public void onPageSelected(int position) {
currentPagePosition = position;
}
});
// 设置Fragment监听（延迟执行以确保Fragment已创建）
viewBinding.viewPager.post(() -> {
setupFragmentListeners();
if (viewBinding.viewPager.getCurrentItem() == 1) { // 如果初始在页面2
currentPagePosition = 1; // 手动设置位置
}
});
// 启用嵌套滚动
View child = viewBinding.viewPager.getChildAt(0);
if (child instanceof RecyclerView) {
RecyclerView recyclerView = (RecyclerView) child;
recyclerView.setNestedScrollingEnabled(true);
}
// 关联TabLayout和ViewPager2
new TabLayoutMediator(viewBinding.tabLayout, viewBinding.viewPager, (tab, position) -> {
if (position == 0) {
tab.setText("Main");
} else {
tab.setText("Guest");
}
}).attach();
viewBinding.toolbar.setOnMen
uItemClickListener(v -> {
Intent intent = new Intent(ClientActivity.this, BlockListActivity.class);
startActivity(intent);
return false;
});
}
// 为Fragment设置监听器
private void setupFragmentListeners() {
Fragment mainFragment = getSupportFragmentManager().findFragmentByTag("f0"); // ViewPager2的Fragment标签规则：f + position
Fragment guestFragment = getSupportFragmentManager().findFragmentByTag("f1");
if (mainFragment instanceof MainNetworkFragment) {
((MainNetworkFragment) mainFragment).setOnItemLongClickListener((view, position, isOnline) -> {
showPopupMenu
ForItem(view, position, isOnline);
});
}
if (guestFragment instanceof GuestNetworkFragment) {
((GuestNetworkFragment) guestFragment).setOnItemLongClickListener((view, position, isOnline) -> {
showPopupMenu
ForItem(view, position, isOnline);
});
}
}
// 修改弹出窗口方法，增加位置参数
public void showPopupMenu
ForItem(View v, int itemPosition, boolean isOnline) {
List<TPSimplePopupMen
uItem> men
uItems = new ArrayList<>();
men
uItems.add(new TPSimplePopupMen
uItem("Block", R.drawable.ic_block_black));
if(
!isOnline) {
men
uItems.add(new TPSimplePopupMen
uItem("Delete", R.drawable.ic_delete_24));
}
TPListPopupWindow popupWindow = new TPListPopupWindow(this, v);
popupWindow.setAdapter(new TPSimplePopupAdapter(this, men
uItems));
popupWindow.setDropDownGravity(Gravity.END);
// 添加菜单点击处理
popupWindow.setOnItemClickListener((parent, view1, menuPosition, id) -> {
// 通过菜单位置区分点击项
if (menuPosition == 0) { // "Block" 是第一个菜单项
handleBlockAction(itemPosition, isOnline);
} else if (menuPosition == 1) { // "Delete" 是第二个菜单项
handleDeleteAction(itemPosition, isOnline);
}
// popupWindow.dismiss();
});
popupWindow.show();
}
// 处理 Block 操作
private void handleBlockAction(int devicePosition, boolean isOnline) {
// 根据位置获取设备信息（需补充获取数据的方法）
// ClientItem device = getDeviceByPosition(devicePosition, isOnline);
new MaterialAlertDialogB
uilder(this)
.setTitle("Add to Block List")
.setMessage("确定将XX设备加入黑名单？")
.setPositiveButton("yes", (dialogInterface, i) -> {
// todo sth
})
.setNegativeButton("no", null)
.show();
}
private void handleDeleteAction(int devicePosition, boolean isOnline) {
// 根据位置获取设备信息（需补充获取数据的方法）
// ClientItem device = getDeviceByPosition(devicePosition, isOnline);
new MaterialAlertDialogB
uilder(this)
.setTitle("Delete")
.setMessage("确定删除吗？")
.setPositiveButton("yes", (dialogInterface, i) -> {
// todo sth
})
.setNegativeButton("no", null)
.show();
}
// 根据位置获取设备（示例方法）
// private ClientItem getDeviceByPosition(int position, boolean isOnline) {
// // 需要根据当前网络类型获取对应数据源
// List<ClientItem> dataSource = isOnline ? onlineDevices : offlineDevices;
// return dataSource.get(position);
// }
}
我现在需要完成block操作 加入黑名单即删除改item 然后将其加入到blocklist中去 package com.example.assignment.client.repo;
import
androidx.lifecycle.LiveData;
import
androidx.lifecycle.MutableLiveData;
import com.example.assignment.R;
import java.util.ArrayList;
import java.util.List;
public class ClientRepo {
private static ClientRepo instance;
// 分别存储在线/离线设备（不包含标题）
private final MutableLiveData<List<OnlineItem>> onlineDevices = new MutableLiveData<>();
private final MutableLiveData<List<OfflineItem>> offlineDevices = new MutableLiveData<>();
private final MutableLiveData<List<BlockItem>> blockItems = new MutableLiveData<>(); // 新增黑名单数据源
private ClientRepo() {
initDeviceData(); // 确保数据初始化
initBlockData(); // 初始化黑名单数据
}
// 初始化数据（仅设备）
private void initDeviceData() {
onlineDevices.setValue(createOnlineItems());
offlineDevices.setValue(createOfflineItems());
}
// 单例获取方法
public static synchronized ClientRepo getInstance() {
if (instance == null) {
instance = new ClientRepo();
}
return instance;
}
// 获取在线设备LiveData
public LiveData<List<OnlineItem>> getOnlineDevices() {
return onlineDevices;
}
// 获取离线设备LiveData
public LiveData<List<OfflineItem>> getOfflineDevices() {
return offlineDevices;
}
// 添加在线设备（线程安全）
public void addOnlineDevice(OnlineItem device) {
List<OnlineItem> current = onlineDevices.getValue();
if (current == null) current = new ArrayList<>();
List<OnlineItem> updated = new ArrayList<>(current);
updated.add(device);
onlineDevices.postValue(updated);
}
// 移除在线设备（线程安全）
public void removeOnlineDevice(int position) {
List<OnlineItem> current = onlineDevices.getValue();
if (current == null || position < 0 || position >= current.size()) return;
List<OnlineItem> updated = new ArrayList<>(current);
updated.remove(position);
onlineDevices.postValue(updated);
}
// 添加离线设备（线程安全）
public void addOfflineDevice(OfflineItem device) {
List<OfflineItem> current = offlineDevices.getValue();
if (current == null) current = new ArrayList<>();
List<OfflineItem> updated = new ArrayList<>(current);
updated.add(device);
offlineDevices.postValue(updated);
}
// 移除离线设备（线程安全）
public void removeOfflineDevice(int position) {
List<OfflineItem> current = offlineDevices.getValue();
if (current == null || position < 0 || position >= current.size()) return;
List<OfflineItem> updated = new ArrayList<>(current);
updated.remove(position);
offlineDevices.postValue(updated);
}
public void clearAllOfflineDevices() {
// 执行实际的清除操作，比如清除数据库或网络请求等
// 然后更新仓库的LiveData（如果仓库有维护LiveData的话）
// 这里假设仓库有一个方法可以清除所有离线设备，并更新LiveData
// 例如：如果仓库有一个MutableLiveData<List<OfflineItem>> offlineDevicesLiveData;
offlineDevices.postValue(new ArrayList<>());
}
// 更新在线设备（示例）
public void updateOnlineDevice(int position, OnlineItem newDevice) {
List<OnlineItem> current = onlineDevices.getValue();
if (current == null || position < 0 || position >= current.size()) return;
List<OnlineItem> updated = new ArrayList<>(current);
updated.set(position, newDevice);
onlineDevices.postValue(updated);
}
// 获取黑名单LiveData
public LiveData<List<BlockItem>> getBlockItems() {
return blockItems;
}
// 添加黑名单项（线程安全）
public void addBlockItem(BlockItem newItem) {
List<BlockItem> current = blockItems.getValue();
if (current == null) current = new ArrayList<>();
List<BlockItem> updated = new ArrayList<>(current);
updated.add(newItem);
updateFirstLastMarkers(updated); // 更新首尾标记
blockItems.postValue(updated);
}
// 统一的首尾标记更新方法（可从ViewModel移至此）
private void updateFirstLastMarkers(List<BlockItem> items) {
if (items.isEmpty()) return;
for (BlockItem item : items) {
item.setFirst(false);
item.setLast(false);
}
items.get(0).setFirst(true);
items.get(items.size() - 1).setLast(true);
}
private List<OnlineItem> createOnlineItems() {
List<OnlineItem> items = new ArrayList<>();
items.add(new OnlineItem(
"Melanie‘s
iPhone",
R.mipmap.ic_game_console,
true,
"128 Kb/s",
"64 Kb/s",
true,
R.drawable.ic_wifi_4_16,
true,
false
));
items.add(new OnlineItem(
"Melanie‘s Mac1",
R.mipmap.ic_laptop,
false,
"512 Kb/s",
"256 Kb/s",
true,
R.drawable.ic_wifi_1_16,
false,
false
));
items.add(new OnlineItem(
"Melanie‘s Mac2",
R.mipmap.ic_laptop,
false,
"512 Kb/s",
"256 Kb/s",
true,
R.drawable.ic_wifi_1_16,
false,
false
));
items.add(new OnlineItem(
"Melanie‘s Mac3",
R.mipmap.ic_laptop,
false,
"512 Kb/s",
"256 Kb/s",
true,
R.drawable.ic_wifi_1_16,
false,
false
));
items.add(new OnlineItem(
"Melanie‘s Mac4",
R.mipmap.ic_laptop,
false,
"512 Kb/s",
"256 Kb/s",
true,
R.drawable.ic_wifi_1_16,
false,
false
));
items.add(new OnlineItem(
"Melanie‘s Mac5",
R.mipmap.ic_laptop,
false,
"512 Kb/s",
"256 Kb/s",
true,
R.drawable.ic_wifi_1_16,
false,
false
));
items.add(new OnlineItem(
"Melanie‘s
iPhone2",
R.mipmap.ic_game_console,
false,
"1.2 Mb/s",
"320 Kb/s",
true,
R.drawable.ic_wifi_2_16,
false,
true
));
return items;
}
private List<OfflineItem> createOfflineItems() {
List<OfflineItem> items = new ArrayList<>();
items.add(new OfflineItem(
"Melanie‘s
iPhone1",
R.mipmap.ic_game_console,
"昨天 14:30",
true,
false
));
items.add(new OfflineItem(
"Melanie‘s
iPhone2",
R.mipmap.ic_game_console,
"3天前",
false,
false
));
items.add(new OfflineItem(
"Melanie‘s
iPhone3",
R.mipmap.ic_game_console,
"3天前",
false,
true
));
return items;
}
// 初始化黑名单数据
private void initBlockData() {
List<BlockItem> items = new ArrayList<>();
items.add(new BlockMacItem("AA:BB:CC:DD:EE:FF", R.mipmap.ic_other, false, false));
items.add(new BlockClientItem("小米手机", "最后在线：2小时前", R.mipmap.ic_game_console, false, false));
blockItems.setValue(items);
}
}
是直接使用repo吗 还是说需要通过viewmodel
作者利用空闲时间尝试为Android应用程序复制iPhone的UI元素，特别是底部的标签栏导航。通过此代码片段，开发者可以了解如何在Android应用中实现类似的标签栏，并注册点击监听器。
by rolle3k » Mon May 31, 2010 9:37 pm
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