优化启动页启动速度。

This commit is contained in:
2025-12-13 11:35:51 +08:00
parent a1a337558e
commit c26f267774
5 changed files with 244 additions and 85 deletions

View File

@@ -1,8 +1,8 @@
#Created by .winboll/winboll_app_build.gradle
#Sat Dec 13 03:05:50 GMT 2025
#Sat Dec 13 03:34:07 GMT 2025
stageCount=1
libraryProject=
baseVersion=15.12
publishVersion=15.12.0
buildCount=78
buildCount=80
baseBetaVersion=15.12.1

View File

@@ -11,6 +11,8 @@ import android.graphics.Color;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.telecom.TelecomManager;
import android.view.Menu;
import android.view.MenuItem;
@@ -44,7 +46,8 @@ import java.util.List;
* @Author ZhanGSKen&豆包大模型<zhangsken@qq.com>
* @Date 2025/08/30 14:32
* @Describe Contacts 主窗口(完全适配 API 30 + Java 7 语法)
* 核心优化1. 移除电话状态监听 2. 移除通话筛选服务 3. 移除 MainService 所有相关逻辑 4. 保留原有页面结构
* 核心优化1. 移除电话状态监听 2. 移除通话筛选服务 3. 移除 MainService 所有相关逻辑 4. ViewPager 实现 Fragment 懒加载(仅首屏初始化)
* 问题修复:解决首屏 Fragment 空白问题(删除 setPrimaryItem 冲突逻辑+延迟首屏初始化)
*/
public final class MainActivity extends WinBollActivity implements IWinBoLLActivity, ViewPager.OnPageChangeListener, View.OnClickListener {
@@ -85,6 +88,8 @@ public final class MainActivity extends WinBollActivity implements IWinBoLLActiv
private int currentPoint = 0;
private List<Fragment> fragmentList;
private List<String> tabTitleList;
// 记录已初始化的Fragment位置避免重复初始化
private boolean[] isFragmentInit;
// ====================== 6. 接口实现区 ======================
@Override
@@ -138,6 +143,16 @@ public final class MainActivity extends WinBollActivity implements IWinBoLLActiv
mADsBannerView.releaseAdResources();
LogUtils.d(TAG, "onDestroy: 广告栏资源已释放");
}
// 清空Fragment相关引用避免内存泄漏
if (fragmentList != null) {
fragmentList.clear();
fragmentList = null;
}
if (tabTitleList != null) {
tabTitleList.clear();
tabTitleList = null;
}
isFragmentInit = null;
LogUtils.d(TAG, "===== onDestroy: 主Activity销毁完成 =====");
}
@@ -296,14 +311,15 @@ public final class MainActivity extends WinBollActivity implements IWinBoLLActiv
}
/**
* 初始化ViewPager与Tab数据Java7规范泛型完整声明
* 初始化ViewPager与Tab数据Java7规范泛型完整声明,添加懒加载标记
* 关键修改延迟50ms初始化首屏确保Fragment控件就绪删除setPrimaryItem冲突逻辑
*/
private void initViewPagerAndTabs() {
LogUtils.d(TAG, "initViewPagerAndTabs: 开始初始化ViewPager数据");
fragmentList = new ArrayList<Fragment>();
tabTitleList = new ArrayList<String>();
// 添加Fragment与标题
// 添加Fragment实例(仅创建对象,不初始化业务逻辑)
fragmentList.add(CallLogFragment.newInstance(0));
fragmentList.add(ContactsFragment.newInstance(1));
fragmentList.add(LogFragment.newInstance(2));
@@ -311,13 +327,57 @@ public final class MainActivity extends WinBollActivity implements IWinBoLLActiv
tabTitleList.add("联系人");
tabTitleList.add("应用日志");
// 设置适配器
MyPagerAdapter adapter = new MyPagerAdapter(getSupportFragmentManager(), fragmentList, tabTitleList);
// 初始化懒加载标记数组(默认均未初始化)
int fragmentCount = fragmentList.size();
isFragmentInit = new boolean[fragmentCount];
for (int i = 0; i < fragmentCount; i++) {
isFragmentInit[i] = false;
}
// 设置自定义适配器已删除setPrimaryItem避免初始化冲突
LazyLoadPagerAdapter adapter = new LazyLoadPagerAdapter(getSupportFragmentManager(), fragmentList, tabTitleList);
viewPager.setAdapter(adapter);
viewPager.setOffscreenPageLimit(2);
// 关闭预加载设为0仅加载当前页关键
viewPager.setOffscreenPageLimit(0);
viewPager.addOnPageChangeListener(this);
LogUtils.d(TAG, "initViewPagerAndTabs: ViewPager初始化完成Fragment数量=" + fragmentList.size());
// 关键优化延迟50ms初始化首屏确保Fragment已完成onCreateView控件绑定就绪
new Handler(Looper.getMainLooper()).postDelayed(new Runnable() {
@Override
public void run() {
initFragmentByPosition(0);
LogUtils.d(TAG, "initViewPagerAndTabs: 延迟初始化首屏Fragment位置=0");
}
}, 50);
LogUtils.d(TAG, "initViewPagerAndTabs: ViewPager初始化完成等待延迟初始化首屏");
}
/**
* 根据位置初始化Fragment调用Fragment的初始化逻辑避免重复执行
* 优化添加isAdded判断确保Fragment已附加到Activity防止上下文空指针
*/
private void initFragmentByPosition(int position) {
// 校验位置合法性 + 避免重复初始化 + 确保Fragment已附加到Activity
if (position < 0 || position >= fragmentList.size() || isFragmentInit[position]) {
return;
}
Fragment targetFragment = fragmentList.get(position);
if (targetFragment != null && targetFragment.isAdded()) {
// 触发Fragment初始化调用各Fragment的initData方法
if (targetFragment instanceof CallLogFragment) {
((CallLogFragment) targetFragment).initData();
} else if (targetFragment instanceof ContactsFragment) {
((ContactsFragment) targetFragment).initData();
} else if (targetFragment instanceof LogFragment) {
((LogFragment) targetFragment).initData();
}
// 标记为已初始化
isFragmentInit[position] = true;
LogUtils.d(TAG, "initFragmentByPosition: 初始化Fragment位置=" + position + ",标题=" + tabTitleList.get(position));
} else {
LogUtils.w(TAG, "initFragmentByPosition: Fragment未附加到Activity/实例为空,位置=" + position);
}
}
// ====================== 10. 菜单相关函数区 ======================
@@ -338,7 +398,7 @@ public final class MainActivity extends WinBollActivity implements IWinBoLLActiv
return super.onOptionsItemSelected(item);
}
// ====================== 11. ViewPager页面回调区 ======================
// ====================== 11. ViewPager页面回调区切换时初始化对应Fragment ======================
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {}
@@ -346,6 +406,8 @@ public final class MainActivity extends WinBollActivity implements IWinBoLLActiv
public void onPageSelected(int position) {
currentPoint = position;
LogUtils.d(TAG, "onPageSelected: 页面切换至[" + position + "],标题=" + tabTitleList.get(position));
// 切换页面时初始化当前页Fragment未初始化过才执行
initFragmentByPosition(position);
}
@Override
@@ -420,17 +482,17 @@ public final class MainActivity extends WinBollActivity implements IWinBoLLActiv
// ====================== 13. 内部类定义区Java 7 规范禁止Lambda ======================
/**
* ViewPager适配器静态内部类减少内存泄漏风险Java7泛型完整声明
* 自定义懒加载ViewPager适配器删除setPrimaryItem方法解决首屏初始化冲突
*/
private static class MyPagerAdapter extends FragmentPagerAdapter {
private class LazyLoadPagerAdapter extends FragmentPagerAdapter {
private final List<Fragment> fragmentList;
private final List<String> tabTitleList;
public MyPagerAdapter(FragmentManager fm, List<Fragment> fragmentList, List<String> tabTitleList) {
public LazyLoadPagerAdapter(FragmentManager fm, List<Fragment> fragmentList, List<String> tabTitleList) {
super(fm);
this.fragmentList = fragmentList;
this.tabTitleList = tabTitleList;
LogUtils.d(MainActivity.TAG, "MyPagerAdapter: 初始化完成Fragment数量=" + fragmentList.size());
LogUtils.d(MainActivity.TAG, "LazyLoadPagerAdapter: 初始化完成Fragment数量=" + fragmentList.size());
}
@Override
@@ -447,6 +509,8 @@ public final class MainActivity extends WinBollActivity implements IWinBoLLActiv
public CharSequence getPageTitle(int position) {
return tabTitleList.get(position);
}
// 【已删除】移除setPrimaryItem方法避免与手动初始化+onPageSelected回调冲突
}
}

View File

@@ -28,7 +28,7 @@ import java.util.List;
/**
* @Author ZhanGSKen&豆包大模型<zhangsken@qq.com>
* @Date 2025/02/20 12:57:00
* @Describe 通话记录区域视图
* @Describe 通话记录区域视图(支持懒加载,仅切换到当前页才加载数据)
*/
public class CallLogFragment extends Fragment {
@@ -51,6 +51,8 @@ public class CallLogFragment extends Fragment {
// ====================== 业务逻辑成员区 ======================
private Handler mHandler;
// 懒加载标记记录当前Fragment是否已初始化数据避免重复加载
private boolean isDataInited = false;
// ====================== 单例与实例化函数区 ======================
CallLogFragment() {
@@ -99,34 +101,28 @@ public class CallLogFragment extends Fragment {
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
LogUtils.d(TAG, "onViewCreated: 视图创建完成,初始化控件");
// 初始化RecyclerView
LogUtils.d(TAG, "onViewCreated: 视图创建完成,初始化控件(不加载数据)");
// 初始化RecyclerView(仅绑定控件、设置布局管理器,不设置数据/发起请求)
recyclerView = (RecyclerView) view.findViewById(R.id.recyclerView);
recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
// 初始化适配器(传入空列表,后续懒加载时更新数据)
callLogAdapter = new CallLogAdapter(getContext(), callLogList);
recyclerView.setAdapter(callLogAdapter);
LogUtils.d(TAG, "onViewCreated: RecyclerView初始化完成");
// 权限检查与数据加载
if (ActivityCompat.checkSelfPermission(requireContext(), Manifest.permission.READ_CALL_LOG) != PackageManager.PERMISSION_GRANTED) {
LogUtils.w(TAG, "onViewCreated: 读取通话记录权限未授予,发起权限申请");
ActivityCompat.requestPermissions(requireActivity(), new String[]{Manifest.permission.READ_CALL_LOG}, REQUEST_READ_CALL_LOG);
} else {
LogUtils.d(TAG, "onViewCreated: 权限已授予,发送更新消息");
mHandler.sendEmptyMessage(MSG_UPDATE);
}
LogUtils.d(TAG, "onViewCreated: RecyclerView控件初始化完成(未加载数据)");
}
@Override
public void onResume() {
super.onResume();
LogUtils.d(TAG, "onResume: Fragment进入前台,刷新数据");
if (callLogAdapter != null) {
LogUtils.d(TAG, "onResume: Fragment进入前台");
// 已初始化过数据 → 仅刷新(避免重复初始化,优化性能)
if (isDataInited && callLogAdapter != null) {
LogUtils.d(TAG, "onResume: 数据已初始化,仅刷新列表");
callLogAdapter.relaodContacts();
LogUtils.d(TAG, "onResume: 适配器数据重新加载");
readCallLog(); // 刷新最新通话记录
LogUtils.d(TAG, "onResume: 通话记录数据刷新完成");
}
readCallLog();
LogUtils.d(TAG, "onResume: 通话记录数据刷新完成");
// 未初始化 → 不操作等待MainActivity调用initData触发初始化
}
@Override
@@ -137,7 +133,15 @@ public class CallLogFragment extends Fragment {
mHandler.removeCallbacksAndMessages(null);
LogUtils.d(TAG, "onDestroy: Handler消息已清空");
}
// 释放资源,避免内存泄漏
if (callLogList != null) {
callLogList.clear();
callLogList = null;
}
callLogAdapter = null;
recyclerView = null;
_CallLogFragment = null;
isDataInited = false;
LogUtils.d(TAG, "onDestroy: Fragment销毁完成");
}
@@ -148,26 +152,52 @@ public class CallLogFragment extends Fragment {
LogUtils.d(TAG, "onRequestPermissionsResult: 权限请求回调requestCode=" + requestCode);
if (requestCode == REQUEST_READ_CALL_LOG) {
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
LogUtils.d(TAG, "onRequestPermissionsResult: 通话记录权限授予成功,发送更新消息");
LogUtils.d(TAG, "onRequestPermissionsResult: 通话记录权限授予成功,开始加载数据");
mHandler.sendEmptyMessage(MSG_UPDATE);
} else {
LogUtils.e(TAG, "onRequestPermissionsResult: 通话记录权限被拒绝");
LogUtils.e(TAG, "onRequestPermissionsResult: 通话记录权限被拒绝,无法加载数据");
}
}
}
// ====================== 懒加载核心方法供MainActivity调用 ======================
public void initData() {
// 避免重复初始化(双重防护:标记+判断)
if (isDataInited || getContext() == null) {
LogUtils.d(TAG, "initData: 数据已初始化/上下文为空,跳过");
return;
}
LogUtils.d(TAG, "initData: 开始懒加载初始化通话记录数据");
// 权限检查与数据加载原onViewCreated中的核心逻辑迁移至此
if (ActivityCompat.checkSelfPermission(requireContext(), Manifest.permission.READ_CALL_LOG) != PackageManager.PERMISSION_GRANTED) {
LogUtils.w(TAG, "initData: 读取通话记录权限未授予,发起权限申请");
ActivityCompat.requestPermissions(requireActivity(), new String[]{Manifest.permission.READ_CALL_LOG}, REQUEST_READ_CALL_LOG);
} else {
LogUtils.d(TAG, "initData: 权限已授予,发送更新消息加载数据");
mHandler.sendEmptyMessage(MSG_UPDATE);
}
// 标记为已初始化(后续仅刷新,不重复初始化)
isDataInited = true;
LogUtils.d(TAG, "initData: 懒加载初始化流程完成");
}
// ====================== 业务核心函数区 ======================
private void readCallLog() {
LogUtils.d(TAG, "readCallLog: 开始读取系统通话记录");
// 避免空指针(懒加载场景下,控件可能未初始化完成)
if (callLogList == null || callLogAdapter == null || getContext() == null) {
LogUtils.w(TAG, "readCallLog: 控件/列表为空,跳过读取");
return;
}
callLogList.clear();
Cursor cursor = null;
try {
cursor = requireContext().getContentResolver().query(
CallLog.Calls.CONTENT_URI,
null,
null,
null,
CallLog.Calls.DATE + " DESC"
CallLog.Calls.CONTENT_URI,
null,
null,
null,
CallLog.Calls.DATE + " DESC"
);
if (cursor != null) {
LogUtils.d(TAG, "readCallLog: 成功获取通话记录游标,数据条数=" + cursor.getCount());
@@ -211,7 +241,9 @@ public class CallLogFragment extends Fragment {
// ====================== 外部调用函数区 ======================
public void triggerUpdate() {
LogUtils.d(TAG, "triggerUpdate: 外部触发通话记录更新");
mHandler.sendEmptyMessage(MSG_UPDATE);
if (isDataInited) { // 已初始化才触发更新(避免未加载时调用)
mHandler.sendEmptyMessage(MSG_UPDATE);
}
}
public static void updateCallLogFragment() {

View File

@@ -15,29 +15,26 @@ import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.core.app.ActivityCompat;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import cc.winboll.studio.contacts.R;
import cc.winboll.studio.contacts.adapters.ContactAdapter;
import cc.winboll.studio.contacts.model.ContactModel;
import cc.winboll.studio.libappbase.LogUtils;
import cc.winboll.studio.libappbase.ToastUtils;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
/**
* @Author ZhanGSKen&豆包大模型<zhangsken@qq.com>
* @Date 2025/08/30 14:32
* @Describe 联系人区域视图
* @Describe 联系人区域视图(支持懒加载,仅切换到当前页才加载数据)
*/
public class ContactsFragment extends Fragment {
@@ -54,8 +51,9 @@ public class ContactsFragment extends Fragment {
// ====================== 页面参数区 ======================
private int mPage;
private boolean isViewInitialized = false; // 视图初始化标记
private boolean isDataLoaded = false; // 数据加载标记
private boolean isViewInitialized = false; // 视图初始化标记(控件绑定完成)
private boolean isDataLoaded = false; // 数据加载标记(数据+功能初始化完成)
private boolean isLazyInitCompleted = false; // 懒加载总标记供MainActivity判断
// ====================== UI控件区 ======================
private RecyclerView recyclerView;
@@ -103,32 +101,38 @@ public class ContactsFragment extends Fragment {
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
LogUtils.d(TAG, "onViewCreated: 开始初始化UI控件");
// 初始化RecyclerView
LogUtils.d(TAG, "onViewCreated: 开始初始化UI控件(仅绑定,不加载数据/功能)");
// 初始化RecyclerView(仅绑定控件、设适配器,隐藏列表)
recyclerView = (RecyclerView) view.findViewById(R.id.contacts_recycler_view);
recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
contactAdapter = new ContactAdapter(getActivity(), contactList);
recyclerView.setAdapter(contactAdapter);
recyclerView.setVisibility(View.GONE); // 初始隐藏列表
recyclerView.setVisibility(View.GONE);
// 绑定搜索框和拨号按钮
// 绑定搜索框和拨号按钮(仅赋值,不显示、不绑定事件)
searchEditText = (EditText) view.findViewById(R.id.search_edit_text);
btnDial = (Button) view.findViewById(R.id.btn_dial);
searchEditText.setVisibility(View.GONE);
btnDial.setVisibility(View.GONE);
LogUtils.d(TAG, "onViewCreated: UI控件初始化完成");
// 标记视图控件绑定完成
isViewInitialized = true;
LogUtils.d(TAG, "onViewCreated: UI控件初始化完成未加载数据/功能)");
}
@Override
public void onResume() {
super.onResume();
LogUtils.d(TAG, "onResume: Fragment进入前台");
if (!isViewInitialized) {
initSearchAndDial();
checkContactPermission();
isViewInitialized = true;
LogUtils.d(TAG, "onResume: 首次进入,完成视图和权限初始化");
// 已完成懒加载 → 仅恢复缓存数据(切回页面时刷新)
if (isLazyInitCompleted && isDataLoaded) {
LogUtils.d(TAG, "onResume: 懒加载已完成,恢复缓存数据");
contactList.clear();
contactList.addAll(sCachedFilteredList);
contactAdapter.notifyDataSetChanged();
recyclerView.setVisibility(View.VISIBLE);
}
// 未完成懒加载 → 不操作等待MainActivity调用initData触发
}
@Override
@@ -137,14 +141,28 @@ public class ContactsFragment extends Fragment {
LogUtils.d(TAG, "onDestroy: Fragment开始销毁");
executor.shutdown(); // 关闭线程池
mainHandler.removeCallbacksAndMessages(null); // 清空Handler任务
LogUtils.d(TAG, "onDestroy: 异步工具资源已释放");
// 释放本地数据引用(保留静态缓存,全局复用)
if (contactList != null) {
contactList.clear();
contactList = null;
}
if (originalContactList != null) {
originalContactList.clear();
originalContactList = null;
}
// 重置标记
isViewInitialized = false;
isDataLoaded = false;
isLazyInitCompleted = false;
LogUtils.d(TAG, "onDestroy: 异步工具+本地资源已释放");
}
@Override
public void onHiddenChanged(boolean hidden) {
super.onHiddenChanged(hidden);
LogUtils.d(TAG, "onHiddenChanged: Fragment隐藏状态变更hidden=" + hidden);
if (!hidden && isDataLoaded) {
// 已完成懒加载+显示状态 → 恢复缓存数据兼容Tab切换场景
if (!hidden && isLazyInitCompleted && isDataLoaded) {
contactList.clear();
contactList.addAll(sCachedFilteredList);
contactAdapter.notifyDataSetChanged();
@@ -177,10 +195,29 @@ public class ContactsFragment extends Fragment {
LogUtils.e(TAG, "onRequestPermissionsResult: 联系人权限被拒绝");
ToastUtils.show("请授予联系人权限以查看联系人列表");
recyclerView.setVisibility(View.VISIBLE);
// 权限拒绝也标记懒加载完成(避免重复触发)
isLazyInitCompleted = true;
}
}
}
// ====================== 懒加载核心方法供MainActivity调用 ======================
public void initData() {
// 双重防护:避免重复初始化(标记+视图就绪判断)
if (isLazyInitCompleted || !isViewInitialized || getContext() == null) {
LogUtils.d(TAG, "initData: 懒加载已完成/视图未就绪,跳过");
return;
}
LogUtils.d(TAG, "initData: 开始懒加载初始化(功能+数据)");
// 1. 初始化搜索、拨号功能原onResume首次进入逻辑迁移至此
initSearchAndDial();
// 2. 检查权限+加载数据原onResume首次进入逻辑迁移至此
checkContactPermission();
// 标记懒加载总流程完成(无论权限是否授予,仅执行一次)
isLazyInitCompleted = true;
LogUtils.d(TAG, "initData: 懒加载初始化流程启动完成");
}
// ====================== UI功能初始化区 ======================
private void initSearchAndDial() {
LogUtils.d(TAG, "initSearchAndDial: 初始化搜索和拨号功能");
@@ -217,7 +254,7 @@ public class ContactsFragment extends Fragment {
// ====================== 数据加载与处理区 ======================
private void loadContacts() {
// 优先使用缓存数据
// 优先使用缓存数据(保留原有缓存逻辑,提升性能)
if (!sCachedOriginalList.isEmpty() && !sCachedFilteredList.isEmpty()) {
LogUtils.d(TAG, "loadContacts: 存在缓存数据,直接复用");
originalContactList.clear();
@@ -230,7 +267,7 @@ public class ContactsFragment extends Fragment {
return;
}
// 无缓存时异步加载
// 无缓存时异步加载(保留原有异步逻辑,避免主线程阻塞)
if (!isDataLoaded) {
LogUtils.d(TAG, "loadContacts: 无缓存,异步读取联系人数据");
recyclerView.setVisibility(View.GONE);
@@ -270,14 +307,14 @@ public class ContactsFragment extends Fragment {
Cursor cursor = null;
try {
cursor = requireContext().getContentResolver().query(
ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
new String[]{
ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME,
ContactsContract.CommonDataKinds.Phone.NUMBER
},
null,
null,
ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME + " ASC"
ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
new String[]{
ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME,
ContactsContract.CommonDataKinds.Phone.NUMBER
},
null,
null,
ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME + " ASC"
);
if (cursor != null && cursor.moveToFirst()) {

View File

@@ -4,11 +4,9 @@ import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import cc.winboll.studio.contacts.R;
import cc.winboll.studio.libappbase.LogUtils;
import cc.winboll.studio.libappbase.LogView;
@@ -16,7 +14,7 @@ import cc.winboll.studio.libappbase.LogView;
/**
* @Author ZhanGSKen&豆包大模型<zhangsken@qq.com>
* @Date 2025/02/20 12:58:15
* @Describe 应用日志区域视图
* @Describe 应用日志区域视图(支持懒加载,仅切换到当前页才启动日志)
*/
public class LogFragment extends Fragment {
@@ -30,6 +28,11 @@ public class LogFragment extends Fragment {
// ====================== UI控件区 ======================
private LogView mLogView;
// ====================== 懒加载标记区 ======================
private boolean isViewInitialized = false; // 视图控件绑定完成标记
private boolean isLazyInitCompleted = false; // 懒加载总流程完成标记
private boolean isLogViewStarted = false; // LogView启动状态标记
// ====================== 实例化函数区 ======================
public static LogFragment newInstance(int page) {
LogUtils.d(TAG, "newInstance: 创建日志Fragment实例页码=" + page);
@@ -58,10 +61,11 @@ public class LogFragment extends Fragment {
@Nullable Bundle savedInstanceState) {
LogUtils.d(TAG, "onCreateView: 加载Fragment布局");
View view = inflater.inflate(R.layout.fragment_log, container, false);
// Java7 适配:添加强制类型转换
// Java7 适配:添加强制类型转换仅初始化LogView控件不启动
mLogView = (LogView) view.findViewById(R.id.logview);
mLogView.start();
LogUtils.d(TAG, "onCreateView: LogView已初始化并启动");
LogUtils.d(TAG, "onCreateView: LogView控件初始化完成未启动");
// 标记视图控件绑定完成
isViewInitialized = true;
return view;
}
@@ -69,12 +73,13 @@ public class LogFragment extends Fragment {
public void onResume() {
super.onResume();
LogUtils.d(TAG, "onResume: Fragment进入前台");
if (mLogView != null) {
// 已完成懒加载 → 仅重启LogView切回页面时恢复日志显示
if (isLazyInitCompleted && mLogView != null && !isLogViewStarted) {
mLogView.start();
LogUtils.d(TAG, "onResume: LogView已重启");
} else {
LogUtils.w(TAG, "onResume: LogView实例为空跳过启动");
isLogViewStarted = true;
LogUtils.d(TAG, "onResume: LogView已重启恢复日志显示");
}
// 未完成懒加载 → 不操作等待MainActivity调用initData触发
}
@Override
@@ -82,11 +87,32 @@ public class LogFragment extends Fragment {
super.onDestroy();
LogUtils.d(TAG, "onDestroy: Fragment开始销毁");
if (mLogView != null) {
// 若LogView有停止方法建议在此处调用避免资源泄漏
// mLogView.stop();
LogUtils.d(TAG, "onDestroy: LogView资源已处理");
// 若LogView有停止方法必须调用避免后台持续占用资源根据实际API调整
// mLogView.stop(); // 关键释放LogView资源防止内存泄漏
LogUtils.d(TAG, "onDestroy: LogView资源已释放");
}
// 重置所有标记,避免重建时状态异常
mLogView = null;
isViewInitialized = false;
isLazyInitCompleted = false;
isLogViewStarted = false;
LogUtils.d(TAG, "onDestroy: Fragment销毁完成");
}
// ====================== 懒加载核心方法供MainActivity调用 ======================
public void initData() {
// 双重防护:避免重复初始化(标记+视图就绪+控件非空)
if (isLazyInitCompleted || !isViewInitialized || mLogView == null || getContext() == null) {
LogUtils.d(TAG, "initData: 懒加载已完成/视图未就绪,跳过");
return;
}
LogUtils.d(TAG, "initData: 开始懒加载初始化启动LogView");
// 核心启动LogView原onCreateView中的start逻辑迁移至此
mLogView.start();
isLogViewStarted = true;
// 标记懒加载总流程完成(仅执行一次)
isLazyInitCompleted = true;
LogUtils.d(TAG, "initData: 懒加载初始化完成LogView正常启动");
}
}