添加应用电量使用情况报告

This commit is contained in:
ZhanGSKen
2025-10-22 16:56:17 +08:00
parent c3978a1e3c
commit f7b2c0d4c0
4 changed files with 334 additions and 76 deletions

View File

@@ -1,8 +1,8 @@
#Created by .winboll/winboll_app_build.gradle #Created by .winboll/winboll_app_build.gradle
#Wed Oct 22 06:41:10 GMT 2025 #Wed Oct 22 08:55:04 GMT 2025
stageCount=14 stageCount=14
libraryProject= libraryProject=
baseVersion=15.4 baseVersion=15.4
publishVersion=15.4.13 publishVersion=15.4.13
buildCount=13 buildCount=43
baseBetaVersion=15.4.14 baseBetaVersion=15.4.14

View File

@@ -1,6 +1,7 @@
<?xml version='1.0' encoding='utf-8'?> <?xml version='1.0' encoding='utf-8'?>
<manifest <manifest
xmlns:android="http://schemas.android.com/apk/res/android" xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="cc.winboll.studio.powerbell"> package="cc.winboll.studio.powerbell">
<!-- 拍摄照片和视频 --> <!-- 拍摄照片和视频 -->
@@ -35,7 +36,18 @@
<uses-feature android:name="android.hardware.camera"/> <uses-feature android:name="android.hardware.camera"/>
<uses-feature android:name="android.hardware.camera.autofocus"/> <uses-feature android:name="android.hardware.camera.autofocus"/>
<!-- 1. 基础应用信息读取权限Android 11 及以下) -->
<uses-permission android:name="android.permission.GET_PACKAGE_SIZE" />
<!-- 2. Android 11+ 应用列表读取权限(必须声明,否则无法获取全部应用) -->
<uses-permission android:name="android.permission.QUERY_ALL_PACKAGES"
tools:ignore="QueryAllPackagesPermission" />
<!-- 3. 可选:若需读取系统应用,添加此权限(部分机型需要) -->
<uses-permission android:name="android.permission.ACCESS_PACKAGE_USAGE_STATS"
tools:ignore="ProtectedPermissions" />
<application <application
android:name=".App" android:name=".App"
android:allowBackup="true" android:allowBackup="true"

View File

@@ -26,8 +26,6 @@ import android.widget.Toast;
import androidx.recyclerview.widget.LinearLayoutManager; import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView; import androidx.recyclerview.widget.RecyclerView;
import cc.winboll.studio.powerbell.R; import cc.winboll.studio.powerbell.R;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Collections; import java.util.Collections;
import java.util.Comparator; import java.util.Comparator;
@@ -38,52 +36,70 @@ import cc.winboll.studio.libappbase.LogUtils;
public class BatteryReportActivity extends Activity { public class BatteryReportActivity extends Activity {
public static final String TAG = "BatteryReportActivity"; public static final String TAG = "BatteryReportActivity";
// 目标应用包名常量(统一维护,数据计算核心标识)
private static final String TARGET_APP_PACKAGE = "cc.winboll.studio.mymessagemanager";
private RecyclerView rvBatteryReport; private RecyclerView rvBatteryReport;
private BatteryReportAdapter adapter; private BatteryReportAdapter adapter;
private List<AppBatteryModel> dataList = new ArrayList<AppBatteryModel>(); // 数据列表:仅存储包名、耗电、时长(不存储名称,计算全程用包名)
private List<AppBatteryModel> filteredList = new ArrayList<AppBatteryModel>(); // 搜索过滤后的数据 private List<AppBatteryModel> dataList = new ArrayList<AppBatteryModel>();
private List<AppBatteryModel> filteredList = new ArrayList<AppBatteryModel>();
private BroadcastReceiver batteryReceiver; private BroadcastReceiver batteryReceiver;
private int batteryCapacity = 5400; // 手动设置电池容量mAh,可根据设备实际容量调整 private int batteryCapacity = 5400; // 电池容量mAh
private float lastBatteryPercent = 100.0f; // 上次电池百分比 private float lastBatteryPercent = 100.0f;
private long lastCheckTime = System.currentTimeMillis(); // 上次检查时间 private long lastCheckTime = System.currentTimeMillis();
private EditText etSearch; private EditText etSearch;
// 应用运行时长缓存key包名value时长ms
private Map<String, Long> appRunTimeCache = new HashMap<String, Long>();
// 包管理工具(全局持有,避免重复获取)
private PackageManager mPackageManager;
@Override @Override
protected void onCreate(Bundle savedInstanceState) { protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); super.onCreate(savedInstanceState);
setContentView(R.layout.activity_batteryreport); setContentView(R.layout.activity_batteryreport);
// 初始化包管理工具(仅一次,供后续查询名称使用)
mPackageManager = getPackageManager();
// 权限检查Java7 传统条件判断)
if (!hasUsageStatsPermission(this)) { if (!hasUsageStatsPermission(this)) {
Toast.makeText(this, "请进入设置-应用-权限-特殊访问权限-使用情况访问权限,开启本应用的权限", Toast.LENGTH_LONG).show(); Toast.makeText(this, "请进入设置-应用-权限-特殊访问权限-使用情况访问权限,开启本应用的权限", Toast.LENGTH_LONG).show();
startActivity(new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS)); startActivity(new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS));
return; return;
} }
etSearch = (EditText) findViewById(R.id.et_search); etSearch = (EditText) findViewById(R.id.et_search);
rvBatteryReport = (RecyclerView) findViewById(R.id.rv_battery_report); rvBatteryReport = (RecyclerView) findViewById(R.id.rv_battery_report);
rvBatteryReport.setLayoutManager(new LinearLayoutManager(this)); rvBatteryReport.setLayoutManager(new LinearLayoutManager(this));
loadAllAppList(); // 加载所有应用(包含系统应用 // 1. 加载所有应用(仅存包名,不查名称
loadAllAppPackage();
// 2. 强制添加目标应用(包名兜底)
//forceAddTargetPackage();
// 3. 首次获取运行时长key包名
appRunTimeCache = getAppRunTime();
// 4. 更新时长到数据模型(用包名匹配)
updateAppRunTimeToModel();
// 5. 初始化过滤列表和适配器(传入包管理工具供显示时查名称)
filteredList.addAll(dataList); filteredList.addAll(dataList);
adapter = new BatteryReportAdapter(this, filteredList); adapter = new BatteryReportAdapter(this, filteredList, mPackageManager);
rvBatteryReport.setAdapter(adapter); rvBatteryReport.setAdapter(adapter);
// 搜索功能监听 // 搜索监听(按包名过滤,不涉及名称)
etSearch.addTextChangedListener(new TextWatcher() { etSearch.addTextChangedListener(new TextWatcher() {
@Override @Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {} public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
@Override @Override
public void onTextChanged(CharSequence s, int start, int before, int count) { public void onTextChanged(CharSequence s, int start, int before, int count) {
filterApps(s.toString()); filterAppsByPackage(s.toString());
} }
@Override @Override
public void afterTextChanged(Editable s) {} public void afterTextChanged(Editable s) {}
}); });
// 注册电池广播监听 // 电池广播(耗电计算全程用包名)
batteryReceiver = new BroadcastReceiver() { batteryReceiver = new BroadcastReceiver() {
@Override @Override
public void onReceive(Context context, Intent intent) { public void onReceive(Context context, Intent intent) {
@@ -92,13 +108,17 @@ public class BatteryReportActivity extends Activity {
float currentPercent = (float) level / scale * 100; float currentPercent = (float) level / scale * 100;
LogUtils.d(TAG, "电池百分比变化:" + lastBatteryPercent + " -> " + currentPercent); LogUtils.d(TAG, "电池百分比变化:" + lastBatteryPercent + " -> " + currentPercent);
// 计算电池消耗百分比 // 计算电池消耗并更新数据(全程用包名)
if (currentPercent < lastBatteryPercent) { if (currentPercent < lastBatteryPercent) {
float dropPercent = lastBatteryPercent - currentPercent; float dropPercent = lastBatteryPercent - currentPercent;
long duration = System.currentTimeMillis() - lastCheckTime; long duration = System.currentTimeMillis() - lastCheckTime;
LogUtils.d(TAG, "电池消耗:" + dropPercent + "%,时长:" + duration + "ms"); LogUtils.d(TAG, "电池消耗:" + dropPercent + "%,时长:" + duration + "ms");
// 分配耗电到各应用 // 重新获取最新运行时长key包名
distributeBatteryConsumption(dropPercent, getAppRunTime()); appRunTimeCache = getAppRunTime();
// 更新模型中的运行时长(包名匹配)
updateAppRunTimeToModel();
// 分配耗电(包名计算)
distributeBatteryConsumption(dropPercent, appRunTimeCache);
} }
lastBatteryPercent = currentPercent; lastBatteryPercent = currentPercent;
@@ -111,95 +131,248 @@ public class BatteryReportActivity extends Activity {
@Override @Override
protected void onDestroy() { protected void onDestroy() {
super.onDestroy(); super.onDestroy();
// Java7 显式非空判断
if (batteryReceiver != null) { if (batteryReceiver != null) {
unregisterReceiver(batteryReceiver); unregisterReceiver(batteryReceiver);
} }
} }
// 加载所有应用(包含系统应用) /**
private void loadAllAppList() { * 加载所有应用(仅获取包名,不查询应用名称,数据计算核心步骤)
PackageManager pm = getPackageManager(); */
List<ApplicationInfo> appList = pm.getInstalledApplications(PackageManager.GET_META_DATA); private void loadAllAppPackage() {
List<ApplicationInfo> appList = mPackageManager.getInstalledApplications(PackageManager.GET_META_DATA);
dataList.clear(); // 清空列表避免重复
LogUtils.d(TAG, "开始加载应用包名列表,共找到" + appList.size() + "个应用");
// 仅遍历包名,不处理名称(避免名称获取异常影响)
for (ApplicationInfo appInfo : appList) { for (ApplicationInfo appInfo : appList) {
String packageName = appInfo.packageName; String packageName = appInfo.packageName;
String appName = pm.getApplicationLabel(appInfo).toString(); /*if (packageName.equals("cc.winboll.studio.powerbell.beta")) {
dataList.add(new AppBatteryModel(appName, packageName, "0.0")); //if (packageName.equals("aidepro.top")) {
LogUtils.d(TAG, "aidepro.top OK5");
}*/
// 模型仅存包名、初始耗电0、初始时长0名称显示时再查
dataList.add(new AppBatteryModel(packageName, "0.0", 0));
} }
/*for (AppBatteryModel appBatteryModel : dataList) {
if (appBatteryModel.getPackageName().equals("aidepro.top")) {
LogUtils.d(TAG, "aidepro.top OK4");
}
}*/
LogUtils.d(TAG, "应用包名列表加载完成,共添加" + dataList.size() + "个包名。" );
} }
// 搜索过滤应用 /**
private void filterApps(String keyword) { * 强制添加目标包名(兜底逻辑,仅操作包名)
*/
private void forceAddTargetPackage() {
// 1. 先检查列表中是否已存在目标包名
boolean isTargetExists = false;
for (AppBatteryModel model : dataList) {
if (TARGET_APP_PACKAGE.equals(model.getPackageName())) {
isTargetExists = true;
break;
}
}
if (isTargetExists) {
LogUtils.d(TAG, "目标包名已在列表中,无需重复添加");
return;
}
// 2. 仅用包名创建模型,强制添加(不依赖名称查询)
dataList.add(0, new AppBatteryModel(TARGET_APP_PACKAGE, "0.0", 0));
LogUtils.d(TAG, "强制添加目标包名成功:" + TARGET_APP_PACKAGE);
}
/**
* 更新运行时长到模型(用包名匹配,不涉及名称)
*/
private void updateAppRunTimeToModel() {
/*if(appRunTimeCache.containsKey("aidepro.top"))
{
LogUtils.d(TAG, "aidepro.top OK2");
}*/
int nCount = 0;
for (AppBatteryModel model : dataList) {
String packageName = model.getPackageName();
/*if(packageName.equals("aidepro.top"))
{
LogUtils.d(TAG, "aidepro.top OK3");
}*/
Long runTime;
// Java7 显式判断包名是否在缓存中
if (appRunTimeCache.containsKey(packageName)) {
/*if(packageName.equals("cc.winboll.studio.powerbell.beta")) {
LogUtils.d(TAG, String.format("特殊查询 %s 查询有结果。", packageName));
}*/
runTime = appRunTimeCache.get(packageName);
LogUtils.d(TAG, String.format("应用包 %s 运行时长已更新。", packageName));
nCount++;
} else {
runTime = 0L;
}
model.setRunTime(runTime);
}
LogUtils.d(TAG, String.format("dataList.size() %d appRunTimeCache.size() %d。", dataList.size(), appRunTimeCache.size()));
LogUtils.d(TAG, String.format("updateAppRunTimeToModel() 更新的数据量为:%d", nCount));
}
/**
* 按包名过滤应用(搜索逻辑仅操作包名)
*/
private void filterAppsByPackage(String keyword) {
filteredList.clear(); filteredList.clear();
if (keyword.isEmpty()) { if (keyword == null || keyword.isEmpty()) {
filteredList.addAll(dataList); filteredList.addAll(dataList);
} else { } else {
String lowerKeyword = keyword.toLowerCase();
boolean isTargetMatched = false;
for (AppBatteryModel model : dataList) { for (AppBatteryModel model : dataList) {
if (model.getAppName().toLowerCase().contains(keyword.toLowerCase()) String packageNameLower = model.getPackageName().toLowerCase();
|| model.getPackageName().toLowerCase().contains(keyword.toLowerCase())) { // 仅按包名包含关键词过滤
boolean isMatched = packageNameLower.contains(lowerKeyword);
if (isMatched) {
filteredList.add(model); filteredList.add(model);
// 检查是否是目标包名
if (TARGET_APP_PACKAGE.equals(model.getPackageName())) {
isTargetMatched = true;
}
}
}
// 兜底:目标包名未匹配时强制添加
if (!isTargetMatched) {
for (AppBatteryModel model : dataList) {
if (TARGET_APP_PACKAGE.equals(model.getPackageName())) {
filteredList.add(0, model);
LogUtils.d(TAG, "搜索兜底:强制添加目标包名到结果列表");
break;
}
} }
} }
} }
adapter.notifyDataSetChanged(); adapter.notifyDataSetChanged();
} }
// 获取应用前台运行时长统计24小时数据 /**
* 获取应用运行时长(返回包名-时长映射,不处理名称)
*/
private Map<String, Long> getAppRunTime() { private Map<String, Long> getAppRunTime() {
Map<String, Long> runTimeMap = new HashMap<String, Long>(); Map<String, Long> runTimeMap = new HashMap<String, Long>();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
try { try {
android.app.usage.UsageStatsManager manager = android.app.usage.UsageStatsManager manager =
(android.app.usage.UsageStatsManager) getSystemService(Context.USAGE_STATS_SERVICE); (android.app.usage.UsageStatsManager) getSystemService(Context.USAGE_STATS_SERVICE);
long endTime = System.currentTimeMillis(); long endTime = System.currentTimeMillis();
long startTime = endTime - 24 * 3600 * 1000; // 近24小时 long startTime = endTime - 24 * 3600 * 1000; // 近24小时
// 使用数值4替代INTERVAL_DAY兼容低版本识别问题
List<android.app.usage.UsageStats> statsList = manager.queryUsageStats( List<android.app.usage.UsageStats> statsList = manager.queryUsageStats(
4, startTime, endTime); android.app.usage.UsageStatsManager.INTERVAL_DAILY, startTime, endTime);
// 仅存储包名和时长(不查名称)
for (android.app.usage.UsageStats stats : statsList) { for (android.app.usage.UsageStats stats : statsList) {
LogUtils.d(TAG, "应用" + stats.getPackageName() + "运行时长:" + stats.getTotalTimeInForeground()); long runTimeMs = stats.getTotalTimeInForeground();
runTimeMap.put(stats.getPackageName(), stats.getTotalTimeInForeground()); String packageName = stats.getPackageName();
LogUtils.d(TAG, "包名" + packageName + "运行时长:" + formatRunTime(runTimeMs));
runTimeMap.put(packageName, runTimeMs);
if (packageName.equals("aidepro.top")) {
LogUtils.d(TAG, String.format("runTimeMap.put(packageName, runTimeMs) 特殊查询 %s 查询有结果。", packageName));
}
} }
} catch (Exception e) { } catch (Exception e) {
LogUtils.e(TAG, "获取应用运行时长失败:" + e.getMessage()); LogUtils.e(TAG, "获取应用运行时长失败:" + e.getMessage());
} }
} }
/*if(runTimeMap.containsKey("aidepro.top"))
{
LogUtils.d(TAG, "aidepro.top OK");
}*/
LogUtils.d(TAG, String.format("应用运行时长列表数量%d。", runTimeMap.size()));
return runTimeMap; return runTimeMap;
} }
// 分配电池消耗到各应用,并按消耗从大到小排序 /**
* 格式化运行时长(工具方法,与包名无关)
*/
private String formatRunTime(long runTimeMs) {
if (runTimeMs <= 0) {
return "0秒";
}
long seconds = runTimeMs / 1000;
long hours = seconds / 3600;
long minutes = (seconds % 3600) / 60;
seconds = seconds % 60;
if (hours > 0) {
return String.format("%d时%d分%d秒", hours, minutes, seconds);
} else if (minutes > 0) {
return String.format("%d分%d秒", minutes, seconds);
} else {
return String.format("%d秒", seconds);
}
}
/**
* 分配电池消耗(全程用包名计算,不涉及名称)
*/
private void distributeBatteryConsumption(float totalDropPercent, Map<String, Long> runTimeMap) { private void distributeBatteryConsumption(float totalDropPercent, Map<String, Long> runTimeMap) {
long totalRunTime = 0; long totalRunTime = 0;
for (Long time : runTimeMap.values()) { // 遍历包名计算总时长
totalRunTime += time; for (Map.Entry<String, Long> entry : runTimeMap.entrySet()) {
} totalRunTime += entry.getValue();
for (AppBatteryModel model : dataList) {
Long appRunTime = runTimeMap.get(model.getPackageName());
if (appRunTime == null) appRunTime = 0L;
float ratio = totalRunTime > 0 ? (float) appRunTime / totalRunTime : 0;
float consumption = batteryCapacity * totalDropPercent / 100 * ratio;
model.setConsumption(String.format("%.1f", consumption));
} }
// 按电量消耗从大到小排序 // 按包名匹配计算各应用耗电
for (AppBatteryModel model : dataList) {
String packageName = model.getPackageName();
Long appRunTime;
// Java7 显式判断包名是否存在
if (runTimeMap.containsKey(packageName)) {
appRunTime = runTimeMap.get(packageName);
} else {
appRunTime = 0L;
}
float ratio = (totalRunTime > 0) ? (float) appRunTime / totalRunTime : 0;
float consumption = batteryCapacity * totalDropPercent / 100 * ratio;
model.setConsumption(String.format("%.1f", consumption));
model.setRunTime(appRunTime); // 同步更新时长
}
// 按耗电排序(用包名对应的耗电值排序)
Collections.sort(dataList, new Comparator<AppBatteryModel>() { Collections.sort(dataList, new Comparator<AppBatteryModel>() {
@Override @Override
public int compare(AppBatteryModel m1, AppBatteryModel m2) { public int compare(AppBatteryModel m1, AppBatteryModel m2) {
float c1 = Float.parseFloat(m1.getConsumption()); float c1 = Float.parseFloat(m1.getConsumption());
float c2 = Float.parseFloat(m2.getConsumption()); float c2 = Float.parseFloat(m2.getConsumption());
return Float.compare(c2, c1); // 逆序排列 return Float.compare(c2, c1); // 逆序(耗电从高到低)
} }
}); });
filterApps(etSearch.getText().toString()); // 重新应用搜索过滤
// 重新应用包名过滤
filterAppsByPackage(etSearch.getText().toString());
} }
/**
* 权限检查(仅操作系统服务,与包名无关)
*/
private boolean hasUsageStatsPermission(Context context) { private boolean hasUsageStatsPermission(Context context) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) { if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
return false; return false;
} }
android.app.usage.UsageStatsManager manager = android.app.usage.UsageStatsManager manager =
(android.app.usage.UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE); (android.app.usage.UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE);
if (manager == null) { if (manager == null) {
return false; return false;
} }
@@ -207,26 +380,27 @@ public class BatteryReportActivity extends Activity {
long endTime = System.currentTimeMillis(); long endTime = System.currentTimeMillis();
long startTime = endTime - 1000 * 60; long startTime = endTime - 1000 * 60;
List<android.app.usage.UsageStats> statsList = manager.queryUsageStats( List<android.app.usage.UsageStats> statsList = manager.queryUsageStats(
android.app.usage.UsageStatsManager.INTERVAL_DAILY, startTime, endTime); android.app.usage.UsageStatsManager.INTERVAL_DAILY, startTime, endTime);
return statsList != null && !statsList.isEmpty(); return statsList != null && !statsList.isEmpty();
} }
/**
* 数据模型(仅存储包名、耗电、时长,不存名称)
*/
public static class AppBatteryModel { public static class AppBatteryModel {
private String appName; private String packageName; // 核心标识:应用包名
private String packageName; private String consumption; // 电量消耗mAh
private String consumption; private long runTime; // 运行时长ms
public AppBatteryModel(String appName, String packageName, String consumption) { // Java7 显式构造(仅传入包名、初始耗电、初始时长)
this.appName = appName; public AppBatteryModel(String packageName, String consumption, long runTime) {
this.packageName = packageName; this.packageName = packageName;
this.consumption = consumption; this.consumption = consumption;
this.runTime = runTime;
} }
public String getAppName() { // Getter/Setter仅操作包名、耗电、时长
return appName;
}
public String getPackageName() { public String getPackageName() {
return packageName; return packageName;
} }
@@ -238,42 +412,105 @@ public class BatteryReportActivity extends Activity {
public void setConsumption(String consumption) { public void setConsumption(String consumption) {
this.consumption = consumption; this.consumption = consumption;
} }
public long getRunTime() {
return runTime;
}
public void setRunTime(long runTime) {
this.runTime = runTime;
}
} }
/**
* RecyclerView 适配器(仅在显示时通过包名查询应用名称)
*/
public static class BatteryReportAdapter extends RecyclerView.Adapter<BatteryReportAdapter.ViewHolder> { public static class BatteryReportAdapter extends RecyclerView.Adapter<BatteryReportAdapter.ViewHolder> {
private Context mContext; private Context mContext;
private List<AppBatteryModel> mDataList; private List<AppBatteryModel> mDataList;
private PackageManager mPm; // 用于显示时查询应用名称
public BatteryReportAdapter(Context context, List<AppBatteryModel> dataList) { // Java7 显式构造(传入包管理工具)
public BatteryReportAdapter(Context context, List<AppBatteryModel> dataList, PackageManager pm) {
this.mContext = context; this.mContext = context;
this.mDataList = dataList; this.mDataList = dataList;
this.mPm = pm; // 持有包管理工具,供显示时查名称
} }
@Override @Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View itemView = LayoutInflater.from(mContext) View itemView = LayoutInflater.from(mContext)
.inflate(android.R.layout.simple_list_item_2, parent, false); .inflate(android.R.layout.simple_list_item_2, parent, false);
return new ViewHolder(itemView); return new ViewHolder(itemView);
} }
// 绑定数据:核心修改——仅在此处通过包名查询应用名称并显示
@Override @Override
public void onBindViewHolder(ViewHolder holder, int position) { public void onBindViewHolder(ViewHolder holder, int position) {
// Java7 显式非空判断(避免空指针)
if (mDataList == null || mDataList.isEmpty() || position >= mDataList.size()) {
holder.tvAppName.setText("未知应用");
holder.tvConsumption.setText("耗电0.0 mAh | 运行时长0秒");
return;
}
AppBatteryModel model = mDataList.get(position); AppBatteryModel model = mDataList.get(position);
holder.tvAppName.setText(model.getAppName()); // 显示应用名称 String packageName = model.getPackageName();
holder.tvConsumption.setText("电量消耗:" + model.getConsumption() + " mAh"); String appName = "";
// 关键步骤:通过包名查询应用名称(仅显示时执行,不影响数据计算)
try {
ApplicationInfo appInfo = mPm.getApplicationInfo(packageName, 0);
appName = mPm.getApplicationLabel(appInfo).toString();
} catch (PackageManager.NameNotFoundException e) {
// 包名不存在(如应用已卸载),用包名作为名称兜底
appName = packageName;
LogUtils.e("Adapter", "包名" + packageName + "对应的应用未找到:" + e.getMessage());
} catch (Exception e) {
// 其他异常(如权限问题),同样用包名兜底
appName = packageName;
LogUtils.e("Adapter", "查询应用名称失败(包名:" + packageName + "" + e.getMessage());
}
// 显示应用名称(查询到则显示名称,否则显示包名)
holder.tvAppName.setText(appName);
// 格式化运行时长(调用 Activity 的工具方法)
String runTimeStr = ((BatteryReportActivity) mContext).formatRunTime(model.getRunTime());
// 显示耗电+运行时长(基于包名计算的结果)
String consumptionText = String.format("耗电:%s mAh | 运行时长:%s",
model.getConsumption(), runTimeStr);
holder.tvConsumption.setText(consumptionText);
// 优化显示:目标应用文字标蓝(通过包名匹配)
if (BatteryReportActivity.TARGET_APP_PACKAGE.equals(packageName)) {
holder.tvAppName.setTextColor(mContext.getResources().getColor(android.R.color.holo_blue_dark));
holder.tvConsumption.setTextColor(mContext.getResources().getColor(android.R.color.holo_blue_dark));
} else {
holder.tvAppName.setTextColor(mContext.getResources().getColor(android.R.color.black));
holder.tvConsumption.setTextColor(mContext.getResources().getColor(android.R.color.darker_gray));
}
// 调整文字大小(提升可读性)
holder.tvAppName.setTextSize(16);
holder.tvConsumption.setTextSize(14);
} }
// 获取列表长度Java7 三元运算符)
@Override @Override
public int getItemCount() { public int getItemCount() {
return mDataList.size(); return mDataList == null ? 0 : mDataList.size();
} }
// ViewHolder绑定系统布局的两个 TextView
public static class ViewHolder extends RecyclerView.ViewHolder { public static class ViewHolder extends RecyclerView.ViewHolder {
TextView tvAppName; TextView tvAppName; // 显示应用名称(通过包名查询)
TextView tvConsumption; TextView tvConsumption; // 显示耗电+运行时长(包名计算结果)
// Java7 显式构造
public ViewHolder(View itemView) { public ViewHolder(View itemView) {
super(itemView); super(itemView);
// 强制类型转换(系统布局控件 IDtext1 和 text2
tvAppName = (TextView) itemView.findViewById(android.R.id.text1); tvAppName = (TextView) itemView.findViewById(android.R.id.text1);
tvConsumption = (TextView) itemView.findViewById(android.R.id.text2); tvConsumption = (TextView) itemView.findViewById(android.R.id.text2);
} }

View File

@@ -1,22 +1,31 @@
<?xml version="1.0" encoding="utf-8"?> <?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" <LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent" android:layout_width="match_parent"
android:layout_height="match_parent" android:layout_height="match_parent"
android:orientation="vertical"> android:orientation="vertical"
android:background="@android:color/white">
<!-- 搜索框:使用系统兼容背景 -->
<EditText <EditText
android:id="@+id/et_search" android:id="@+id/et_search"
android:layout_width="match_parent" android:layout_width="match_parent"
android:layout_height="wrap_content" android:layout_height="wrap_content"
android:hint="搜索应用名称或包名" android:layout_margin="8dp"
android:padding="8dp" android:padding="12dp"
android:background="@android:drawable/editbox_background" /> android:hint="搜索应用包名"
android:background="@android:drawable/btn_default_small"
android:inputType="text"
android:textSize="16sp"/>
<!-- 应用列表:不依赖系统分割线,避免资源缺失 -->
<androidx.recyclerview.widget.RecyclerView <androidx.recyclerview.widget.RecyclerView
android:id="@+id/rv_battery_report" android:id="@+id/rv_battery_report"
android:layout_width="match_parent" android:layout_width="match_parent"
android:layout_height="match_parent" android:layout_height="0dp"
android:padding="8dp" /> android:layout_weight="1"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"/>
</LinearLayout> </LinearLayout>