問題描述：

android系統有多用戶功能，行業機需要屏蔽此功能，并且從UI上刪除用戶圖標，如下圖所示：

解決方案：

直接上代碼

Index: device/qcom/msm8909/overlay/frameworks/base/core/res/res/values/config.xml =================================================================== --- device/qcom/msm8909/overlay/frameworks/base/core/res/res/values/config.xml (版本 7124) +++ device/qcom/msm8909/overlay/frameworks/base/core/res/res/values/config.xml (工作副本) @@ -76,4 +76,11 @@The default is false.--><bool name="config_suspendWhenScreenOffDueToProximity">true</bool> + + <!-- Maximum number of supported users --> + <integer name="config_multiuserMaximumUsers">1</integer> + <!-- Whether Multiuser UI should be shown --> + <bool name="config_enableMultiUserUI">false</bool></resources> Index: frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java =================================================================== --- frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java (版本 7124) +++ frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java (工作副本) @@ -121,6 +121,11 @@} else if (mMultiUserSwitch.getParent() == this && mKeyguardUserSwitcherShowing) {removeView(mMultiUserSwitch);} + if (!getResources().getBoolean(com.android.internal.R.bool.config_enableMultiUserUI)) { + mMultiUserSwitch.setVisibility(View.GONE); + }mBatteryLevel.setVisibility((mBatteryCharging || mShow) ? View.VISIBLE : View.GONE);}Index: frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java =================================================================== --- frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java (版本 7124) +++ frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java (工作副本) @@ -359,6 +359,11 @@if (mSignalCluster != null) {updateSignalClusterDetachment();} + if (!getResources().getBoolean(com.android.internal.R.bool.config_enableMultiUserUI)) { + mMultiUserSwitch.setVisibility(View.GONE); + }mEmergencyCallsOnly.setVisibility(mExpanded && mShowEmergencyCallsOnly ? VISIBLE : GONE);mBatteryLevel.setVisibility((mExpanded || mShowBatteryPercent) ? View.VISIBLE : View.GONE);}

通過config_enableMultiUserUI和config_multiuserMaximumUsers控制設置中的菜單和實際功能。
KeyguardStatusBarView.java和StatusBarHeaderView.java將用戶圖標隱藏。

總結

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