android10 隐藏SystemUI锁屏下的多用户图标的示例代
需求:如上图,需要隐藏右上角的多用户蓝色图标.
修改后结果如下:
锁屏相关的布局在SystemUI
frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
//更新多用户图标的可见性 private void updateVisibilities() { if (mMultiUserSwitch.getParent() != mStatusIconArea && !mKeyguardUserSwitcherShowing) { if (mMultiUserSwitch.getParent() != null) { getOverlay().remove(mMultiUserSwitch); } mStatusIconArea.addView(mMultiUserSwitch, 0); } else if (mMultiUserSwitch.getParent() == mStatusIconArea && mKeyguardUserSwitcherShowing) { mStatusIconArea.removeView(mMultiUserSwitch); } if (mKeyguardUserSwitcher == null) { // If we have no keyguard switcher, the screen width is under 600dp. In this case, // we only show the multi-user switch if it's enabled through UserManager as well as // by the user. //控制其显示还是不显示 if (mMultiUserSwitch.isMultiUserEnabled()) { mMultiUserSwitch.setVisibility(View.VISIBLE); } else { mMultiUserSwitch.setVisibility(View.GONE); } } //直接使其不显示就可以生效 mMultiUserSwitch.setVisibility(View.GONE); mBatteryView.setForceShowPercent(mBatteryCharging && mShowPercentAvailable); }
mMultiUserSwitch就是显示多用户的控件,对应的代码在
frameworks/base/packages/SystemUI/res/layout/keyguard_status_bar.xml
<com.android.systemui.statusbar.phone.MultiUserSwitch android:id="@+id/multi_user_switch" android:layout_width="@dimen/multi_user_switch_width_keyguard" android:layout_height="match_parent" android:background="@drawable/ripple_drawable" android:layout_marginEnd="@dimen/multi_user_switch_keyguard_margin"> <ImageView android:id="@+id/multi_user_avatar" android:layout_width="@dimen/multi_user_avatar_keyguard_size" android:layout_height="@dimen/multi_user_avatar_keyguard_size" android:layout_gravity="center" android:scaleType="centerInside"/> </com.android.systemui.statusbar.phone.MultiUserSwitch>
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