近期客戶需求，狀態欄只顯示時間和電池圖標，如圖

狀態欄圖標的布局文件在frameworksbasepackagesSystemUIreslayoutstatus_bar.xml,主要包括通知，定位，藍牙，信號，時間，電池等圖標，只要在相應的布局文件中加入屬性android:visibility='invisible' 或者“gone”即可

<?xml version='1.0' encoding='utf-8'?><!--**** Copyright 2006, The Android Open Source Project**** Licensed under the Apache License, Version 2.0 (the 'License'); ** you may not use this file except in compliance with the License. ** You may obtain a copy of the License at **** http://www.apache.org/licenses/LICENSE-2.0 **** Unless required by applicable law or agreed to in writing, software ** distributed under the License is distributed on an 'AS IS' BASIS, ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. ** See the License for the specific language governing permissions and ** limitations under the License.*/--><!-- android:background='@drawable/status_bar_closed_default_background' --><com.android.systemui.statusbar.phone.PhoneStatusBarView xmlns:android='http://schemas.android.com/apk/res/android' xmlns:systemui='http://schemas.android.com/apk/res/com.android.systemui' android:layout_width='match_parent' android:layout_height='@dimen/status_bar_height' android: android:background='@drawable/system_bar_background' android:orientation='vertical' android:focusable='false' android:descendantFocusability='afterDescendants' > <ImageView android: android:layout_width='0dp' android:layout_height='match_parent' android:paddingStart='6dip' android:paddingBottom='2dip' android:src='http://www.b3g6.com/bcjs/@drawable/ic_sysbar_lights_out_dot_small' android:scaleType='center' android:visibility='gone' /> <LinearLayout android: android:layout_width='match_parent' android:layout_height='match_parent' android:paddingStart='6dp' android:paddingEnd='8dp' android:orientation='horizontal' > <!-- The alpha of this area is controlled from both PhoneStatusBarTransitions and PhoneStatusBar (DISABLE_NOTIFICATION_ICONS). --> <com.android.systemui.statusbar.AlphaOptimizedFrameLayout android: android:layout_width='0dip' android:layout_height='match_parent' android:layout_weight='1' android:visibility='invisible' android:orientation='horizontal' /> <com.android.keyguard.AlphaOptimizedLinearLayout android: android:layout_width='wrap_content' android:layout_height='match_parent' android:orientation='horizontal' > <include layout='@layout/system_icons' /> <com.android.systemui.statusbar.policy.Clockandroid: android:textAppearance='@style/TextAppearance.StatusBar.Clock'android:layout_width='wrap_content'android:layout_height='match_parent'android:singleLine='true'android:paddingStart='@dimen/status_bar_clock_starting_padding'android:paddingEnd='@dimen/status_bar_clock_end_padding'android:gravity='center_vertical|start'/> </com.android.keyguard.AlphaOptimizedLinearLayout> </LinearLayout> <ViewStub android: android:layout_width='wrap_content' android:layout_height='match_parent' android:layout='@layout/emergency_cryptkeeper_text' /></com.android.systemui.statusbar.phone.PhoneStatusBarView><?xml version='1.0' encoding='utf-8'?><!-- ~ Copyright (C) 2014 The Android Open Source Project ~ ~ Licensed under the Apache License, Version 2.0 (the 'License'); ~ you may not use this file except in compliance with the License. ~ You may obtain a copy of the License at ~ ~ http://www.apache.org/licenses/LICENSE-2.0 ~ ~ Unless required by applicable law or agreed to in writing, software ~ distributed under the License is distributed on an 'AS IS' BASIS, ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. ~ See the License for the specific language governing permissions and ~ limitations under the License --><LinearLayout xmlns:android='http://schemas.android.com/apk/res/android' android: android:layout_width='wrap_content' android:layout_height='match_parent' android:gravity='center_vertical'> <com.android.keyguard.AlphaOptimizedLinearLayout android: android:layout_width='wrap_content' android:layout_height='match_parent' android:gravity='center_vertical' android:visibility='invisible' android:orientation='horizontal'/> <include layout='@layout/signal_cluster_view' android:visibility='invisible' android:layout_width='wrap_content' android:layout_height='wrap_content' android:layout_marginStart='@dimen/signal_cluster_margin_start'/> <com.android.systemui.BatteryMeterView android: android:layout_height='match_parent' android:layout_width='wrap_content' /></LinearLayout>

總結

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