1. am force-stop com.tencent.android.qqdownloader 失败
原因
console:/data/local/tmp # strings /proc/26748/comm; strings /proc/26889/comm; strings /proc/26748/cmdline; strings /proc/26889/cmdline
daemon2_64_v2.2
daemon2_64_v2.2
app_d
/data/user/0/com.tencent.android.qqdownloader/app_indicators/indicator_p1
/data/user/0/com.tencent.android.qqdownloader/app_indicators/indicator_d1
/data/user/0/com.tencent.android.qqdownloader/app_indicators/observer_p1
/data/user/0/com.tencent.android.qqdownloader/app_indicators/observer_d1
/data/user/0/com.tencent.android.qqdownloader/app_indicators/indicator_p1_pid
/data/user/0/com.tencent.android.qqdownloader/app_proc/process_live_indicator_v2.2.4_
app_d
/data/user/0/com.tencent.android.qqdownloader/app_indicators/indicator_d1
/data/user/0/com.tencent.android.qqdownloader/app_indicators/indicator_p1
/data/user/0/com.tencent.android.qqdownloader/app_indicators/observer_d1
/data/user/0/com.tencent.android.qqdownloader/app_indicators/observer_p1
/data/user/0/com.tencent.android.qqdownloader/app_indicators/indicator_d1_pid
/data/user/0/com.tencent.android.qqdownloader/app_proc/process_live_indicator_v2.2.4_
原因这两个进程通过 flock方式请求对同一个文件请求锁
"daemon2_64_v2.2" sysTid=26748
#00 pc 00000000000ccf24 /apex/com.android.runtime/lib64/bionic/libc.so (flock+4) (BuildId: f3345e0229a42c25af43d5598ec9aee6)
#01 pc 0000000000001930 /data/data/com.tencent.android.qqdownloader/app_bin/daemon2_64_v2.2.4 (BuildId: d7b0131ea6ae8310f8f789f81ebed09f01721da3)
#02 pc 0000000000001f04 /data/data/com.tencent.android.qqdownloader/app_bin/daemon2_64_v2.2.4 (BuildId: d7b0131ea6ae8310f8f789f81ebed09f01721da3)
#03 pc 000000000007d780 /apex/com.android.runtime/lib64/bionic/libc.so (__libc_init+108) (BuildId: f3345e0229a42c25af43d5598ec9aee6)
----- end 26748 -----
console:/data/local/tmp # debuggerd -b 26889
----- pid 26889 at 2024-07-23 11:37:08 -----
Cmd line: app_d
ABI: 'arm64'
"daemon2_64_v2.2" sysTid=26889
#00 pc 00000000000ccf24 /apex/com.android.runtime/lib64/bionic/libc.so (flock+4) (BuildId: f3345e0229a42c25af43d5598ec9aee6)
#01 pc 0000000000001930 /data/data/com.tencent.android.qqdownloader/app_bin/daemon2_64_v2.2.4 (BuildId: d7b0131ea6ae8310f8f789f81ebed09f01721da3)
#02 pc 0000000000001f04 /data/data/com.tencent.android.qqdownloader/app_bin/daemon2_64_v2.2.4 (BuildId: d7b0131ea6ae8310f8f789f81ebed09f01721da3)
#03 pc 000000000007d780 /apex/com.android.runtime/lib64/bionic/libc.so (__libc_init+108) (BuildId: f3345e0229a42c25af43d5598ec9aee6)
----- end 26889 -----
6282cee69df5697fd3c72e2426ba2244.png
当持锁的进程退出，立马通知另外请求锁的进程，立刻进行保活处理！
处理方案
pkill -u $pid
2. API保活手段
2.1 账户保活机制
清单文件中
<service android:name="com.live.sync.ServiceC2610YYBLiveSyncService" android:exported="true" android:process=":live">
<intent-filter>
<action android:name="android.content.SyncAdapter"/>
</intent-filter>
<meta-data android:name="android.content.SyncAdapter" android:resource="@xml/d"/>
</service>
<service android:name="com.live.sync.ServiceC2611YYBLiveSyncService1" android:exported="true" android:process=":live">
<intent-filter>
<action android:name="android.content.SyncAdapter"/>
</intent-filter>
<meta-data android:name="android.content.SyncAdapter" android:resource="@xml/g"/>
</service>
<service android:name="com.live.sync.ServiceC2609YYBLiveAuthService" android:exported="true" android:process=":live">
<intent-filter>
<action android:name="android.accounts.AccountAuthenticator"/>
</intent-filter>
<meta-data android:name="android.accounts.AccountAuthenticator" android:resource="@xml/b"/>
</service>
2.2 注册为文档内容提供者
清单文件中
<provider android:name="com.tencent.assistant.syscomponent.C6034DocumentsProvider" android:readPermission="android.permission.MANAGE_DOCUMENTS" android:writePermission="android.permission.MANAGE_DOCUMENTS" android:enabled="true" android:exported="true" android:process=":live" android:authorities="com.tencent.assistant.syscomponent.DOCUMENTS" android:grantUriPermissions="true">
<intent-filter>
<action android:name="android.content.action.DOCUMENTS_PROVIDER"/>
</intent-filter>
</provider>
2.3 注册为媒体浏览器服务
<service android:name="com.tencent.assistant.syscomponent.ServiceC6035MediaBrowserService" android:enabled="true" android:exported="true" android:process=":live">
<intent-filter>
<action android:name="android.media.browse.MediaBrowserService"/>
</intent-filter>
</service>
2.4 注册为媒体路由提供程序服务
<service android:name="com.tencent.assistant.syscomponent.ServiceC6037MediaRouteProviderService2" android:enabled="true" android:exported="true" android:process=":live">
<intent-filter>
<action android:name="android.media.MediaRoute2ProviderService"/>
</intent-filter>
</service>
2.5 注册壁纸服务
<service android:label="@string/v" android:name="com.tencent.nucleus.manager.videowallpaper.video.ProGuard" android:permission="android.permission.BIND_WALLPAPER" android:exported="true" android:process="@string/ahu">
<intent-filter>
<action android:name="android.service.wallpaper.WallpaperService"/>
</intent-filter>
<meta-data android:name="android.service.wallpaper" android:resource="@xml/e"/>
</service>
还有很多不一一罗列出来，可以自行通过 查看应用宝清单文件注册信息，以下检测方式只针对原生 rom,其他手机厂商自行处理
3. 检测方式
String[] accountActions = new String[] {
"android.accounts.AccountAuthenticator",
"android.content.SyncAdapter",
};
for (String action : accountActions) {
List<ComponentName> accountNames = Utils.getAccountServiceNames(ctx, packageName, action);
if (accountNames != null) {
componentNames.addAll(accountNames);
}
}
String[] providerActions = new String[] {
"android.content.action.DOCUMENTS_PROVIDER"
};
for (String action : providerActions) {
ComponentName providerName = Utils.getProviderNameAction(ctx, packageName, action);
if (providerName != null) {
componentNames.add(providerName);
}
}
String[] serviceActions = new String[] {
"android.service.wallpaper.WallpaperService",
"android.media.MediaRouteProviderService",
"android.media.MediaRoute2ProviderService",
"android.media.browse.MediaBrowserService",
"android.service.controls.ControlsProviderService"
};
for (String action : serviceActions) {
List<ComponentName> serviceNames = Utils.getServiceNameAction(ctx, packageName, action);
if (serviceNames.size() != 0) {
componentNames.addAll(serviceNames);
}
}
String[] metaActions = new String[] {
"android.content.ContactDirectory"
};
for (String action : metaActions) {
List<ComponentName> metaNames = Utils.getMetaDataNames(ctx, packageName, action);
if (metaNames.size() != 0) {
componentNames.addAll(metaNames);
}
}
ProviderInfo[] providerInfos = Utils.getContentProvider(ctx, packageName);
if (providerInfos != null) {
for (ProviderInfo pi : providerInfos) {
if (pi.exported) {
componentNames.add(new ComponentName(packageName, pi.name));
}
}
}
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