使用adb命令查看最上层activity： 方法一 ： 在Terminal命令中输入：adb shell dumpsys activity activities

ACTIVITY MANAGER ACTIVITIES (dumpsys activity activities) Display #0 (activities from top to bottom): Stack #0: mFullscreen=true mBounds=null Task id #763 mFullscreen=true mBounds=null mMinWidth=-1 mMinHeight=-1 mLastNonFullscreenBounds=null * TaskRecord{cf3785f #763 I=com.jwipc.wochu/.MainActivity U=0 StackId=0 sz=2} userId=0 effectiveUid=u0a45 mCallingUid=0 mUserSetupComplete=true mCallingPackage=null intent={act=android.intent.action.MAIN cat=[android.intent.category.HOME] flg=0x10000100 cmp=com.jwipc.wochu/.MainActivity} realActivity=com.jwipc.wochu/.MainActivity autoRemoveRecents=false isPersistable=true numFullscreen=2 taskType=1 mTaskToReturnTo=1 rootWasReset=false mNeverRelinquishIdentity=true mReuseTask=false mLockTaskAuth=LOCK_TASK_AUTH_PINNABLE Activities=[ActivityRecord{dea55db u0 com.jwipc.wochu/.MainActivity t763}, ActivityRecord{913d5c u0 com.jwipc.wochu/.AppActivity t763}] askedCompatMode=false inRecents=true isAvailable=true lastThumbnail=null lastThumbnailFile=/data/system_ce/0/recent_images/763_task_thumbnail.png stackId=0 hasBeenVisible=true mResizeMode=RESIZE_MODE_RESIZEABLE isResizeable=false firstActiveTime=1697685757669 lastActiveTime=1697685757669 (inactive for 91s) * Hist #1: ActivityRecord{913d5c u0 com.jwipc.wochu/.AppActivity t763} packageName=com.jwipc.wochu processName=com.jwipc.wochu launchedFromUid=10045 launchedFromPackage=com.jwipc.wochu userId=0 app=ProcessRecord{ad162ac 1089:com.jwipc.wochu/u0a45} Intent { cmp=com.jwipc.wochu/.AppActivity } frontOfTask=false task=TaskRecord{cf3785f #763 I=com.jwipc.wochu/.MainActivity U=0 StackId=0 sz=2} taskAffinity=com.jwipc.wochu realActivity=com.jwipc.wochu/.AppActivity baseDir=/system/app/WoChuLauncher/WoChuLauncher.apk dataDir=/data/user/0/com.jwipc.wochu stateNotNeeded=false componentSpecified=true mActivityType=1 isHomeActivity=false compat={160dpi always-compat} labelRes=0x7f050000 icon=0x7f020014 theme=0x1030006 config={1.0 dualscreenflag=DISABLE ?mcc?mnc [zh_CN] ldltr sw1080dp w1080dp h1840dp 160dpi xlrg long port finger -keyb/v/h -nav/h s.4} taskConfigOverride={1.0 dualscreenflag=DISABLE ?mcc?mnc ?localeList ?layoutDir ?swdp ?wdp ?hdp ?density ?lsize ?long ?orien ?uimode ?night ?touch ?keyb/?/? ?nav/?} taskDescription: iconFilename=null label=“null” color=ff222222 launchFailed=false launchCount=0 lastLaunchTime=-2m47s338ms haveState=false icicle=null state=RESUMED stopped=false delayedResume=false finishing=false keysPaused=false inHistory=true visible=true sleeping=false idle=true mStartingWindowState=STARTING_WINDOW_NOT_SHOWN fullscreen=true noDisplay=false immersive=false launchMode=0 frozenBeforeDestroy=false forceNewConfig=false mActivityType=HOME_ACTIVITY_TYPE waitingVisible=false nowVisible=true lastVisibleTime=-1m30s630ms resizeMode=RESIZE_MODE_RESIZEABLE * Hist #0: ActivityRecord{dea55db u0 com.jwipc.wochu/.MainActivity t763} packageName=com.jwipc.wochu processName=com.jwipc.wochu launchedFromUid=0 launchedFromPackage=null userId=0 app=ProcessRecord{ad162ac 1089:com.jwipc.wochu/u0a45} Intent { act=android.intent.action.MAIN cat=[android.intent.category.HOME] flg=0x10000100 cmp=com.jwipc.wochu/.MainActivity } frontOfTask=true task=TaskRecord{cf3785f #763 I=com.jwipc.wochu/.MainActivity U=0 StackId=0 sz=2} taskAffinity=null realActivity=com.jwipc.wochu/.MainActivity baseDir=/system/app/WoChuLauncher/WoChuLauncher.apk dataDir=/data/user/0/com.jwipc.wochu stateNotNeeded=true componentSpecified=false mActivityType=1 isHomeActivity=true compat={160dpi always-compat} labelRes=0x7f050000 icon=0x7f020014 theme=0x1030006 config={1.0 dualscreenflag=DISABLE ?mcc?mnc [zh_CN] ldltr sw1080dp w1080dp h1840dp 160dpi xlrg long port finger -keyb/v/h -nav/h s.4} taskConfigOverride={1.0 dualscreenflag=DISABLE ?mcc?mnc ?localeList ?layoutDir ?swdp ?wdp ?hdp ?density ?lsize ?long ?orien ?uimode ?night ?touch ?keyb/?/? ?nav/?} taskDescription: iconFilename=null label=“null” color=ff222222 launchFailed=false launchCount=0 lastLaunchTime=-16m29s632ms haveState=true icicle=Bundle[mParcelledData.dataSize=1412] state=STOPPED stopped=true delayedResume=false finishing=false keysPaused=false inHistory=true visible=false sleeping=false idle=true mStartingWindowState=STARTING_WINDOW_SHOWN fullscreen=true noDisplay=false immersive=false launchMode=2 frozenBeforeDestroy=false forceNewConfig=false mActivityType=HOME_ACTIVITY_TYPE waitingVisible=false nowVisible=false lastVisibleTime=-2m50s115ms resizeMode=RESIZE_MODE_RESIZEABLE

mFocusedActivity: ActivityRecord{913d5c u0 com.jwipc.wochu/.AppActivity t763} mFocusedStack=ActivityStack{43f9b75 stackId=0, 1 tasks} mLastFocusedStack=ActivityStack{43f9b75 stackId=0, 1 tasks} mSleepTimeout=false mCurTaskIdForUser={0=766} mUserStackInFront={} mActivityContainers={0=ActivtyContainer{0}A} mLockTaskModeState=NONE mLockTaskPackages (userId:packages)= 0:[] mLockTaskModeTasks[] realActivity=com.jwipc.wochu/.MainActivity就是了 方法二 ： 在Terminal命令中输入 adb shell dumpsys window | findstr mCurrentFocus

mCurrentFocus=Window{7dde643 u0 com.jwipc.wochu/com.jwipc.wochu.MainActivity}