在 Android 中如何确定 App(Activity) 的启动者

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(pre_release|✔) % adb logcat | grep -E “ActivityManager: START” –color=always
I ActivityManager: START u0 {act=android.intent.action.MAIN
cat=[android.intent.category.HOME] flg=0x10000000 hwFlg=0x10
cmp=com.huawei.android.launcher/.unihome.UniHomeLauncher (has extras)} from uid 10070

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adb shell ps | grep 10070
没有任何数据输出

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adb shell ps | grep launcher
u0_a70 2207 620 4979992 156312 0 0 S com.huawei.android.launcher

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adb shell id u0_a70
uid=10070(u0_a70) gid=10070(u0_a70) groups=10070(u0_a70), context=u:r:shell:s0

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/**
* Generate a text representation of the uid, breaking out its individual
* components — user, app, isolated, etc.
* @hide
*/
public static void formatUid(StringBuilder sb, int uid) {
if (uid < Process.FIRST_APPLICATION_UID) {
sb.append(uid);
} else {
sb.append(‘u’);
sb.append(getUserId(uid));
final int appId = getAppId(uid);
if (isIsolated(appId)) {
if (appId > Process.FIRST_ISOLATED_UID) {
sb.append(‘i’);
sb.append(appId – Process.FIRST_ISOLATED_UID);
} else {
sb.append(“ai”);
sb.append(appId – Process.FIRST_APP_ZYGOTE_ISOLATED_UID);
}
} else if (appId >= Process.FIRST_APPLICATION_UID) {
sb.append(‘a’);
sb.append(appId – Process.FIRST_APPLICATION_UID);
} else {
sb.append(‘s’);
sb.append(appId);
}
}
}

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/**
* Defines the start of a range of UIDs (and GIDs), going from this
* number to {@link #LAST_APPLICATION_UID} that are reserved for assigning
* to applications.
*/
public static final int FIRST_APPLICATION_UID = 10000;
/**
* Last of application-specific UIDs starting at
* {@link #FIRST_APPLICATION_UID}.
*/
public static final int LAST_APPLICATION_UID = 19999;
/**
* First uid used for fully isolated sandboxed processes (with no permissions of their own)
* @hide
*/
@UnsupportedAppUsage
@TestApi
public static final int FIRST_ISOLATED_UID = 99000;
/**
* First uid used for fully isolated sandboxed processes spawned from an app zygote
* @hide
*/
@TestApi
public static final int FIRST_APP_ZYGOTE_ISOLATED_UID = 90000;