android9.0隐藏虚拟按键跟状态栏,除去google搜索栏.

1、隐藏虚拟按键跟状态栏

       1、修改文件: frameworks/base/packages/SettingsProvider/res/values/defaults.xml

     <string name="def_airplane_mode_radios" translatable="false">cell,bluetooth,wifi,nfc,wimax</string>
+    <string name="policy_control" translatable="false">immersive.full=*</string>
     <string name="airplane_mode_toggleable_radios" translatable="false">bluetooth,wifi,nfc</string>

     policy_control 有三种值:

     全屏沉浸模式(包括状态栏和虚拟按键): immersive.full=*

     沉浸状态栏:immersive.status=*

     沉浸虚拟按键(隐藏后底部上划可以呼出): immersive.navigation=*

     恢复正常模式(如果隐藏了状态栏或者虚拟按键但是又不想用了):null
     2.修改文件: frameworks/base/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java

       

函数 private void loadGlobalSettings(SQLiteDatabase db) 中加上如下代码:
             loadBooleanSetting(stmt, Settings.Global.AIRPLANE_MODE_ON,
                     R.bool.def_airplane_mode_on);
+                       loadStringSetting(stmt, Settings.Global.POLICY_CONTROL,
+                    R.string.policy_control);
 
             loadBooleanSetting(stmt, Settings.Global.THEATER_MODE_ON,
                     R.bool.def_theater_mode_on);

Settings.Global.POLICY_CONTROL 定义在: frameworks/base/core/java/android/provider/Settings.java中      

2、除去google搜索栏

       1.修改文件:packages/apps/Launcher3/res/layout/search_container_workspace.xml

        

+<!---
     <fragment
         android:name="com.android.launcher3.qsb.QsbContainerView$QsbFragment"
         android:layout_width="match_parent"
         android:tag="qsb_view"
         android:layout_height="match_parent"/>
+-->
将以上注释掉
</com.android.launcher3.qsb.QsbContainerView>

2、修改文件:packages/apps/Launcher3/src/com/android/launcher3/Workspace.java

在函数: public void bindAndInitFirstWorkspaceScreen(View qsb)  中
+/*   除去Launcher3 自带的google 搜索框
         CellLayout.LayoutParams lp = new CellLayout.LayoutParams(0, 0, firstPage.getCountX(), 1);
         lp.canReorder = false;
         if (!firstPage.addViewToCellLayout(qsb, 0, R.id.search_container_workspace, lp, true)) {
             Log.e(TAG, "Failed to add to item at (0, 0) to CellLayout");
         }
+        */
 注释掉以上代码即可

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转载自blog.csdn.net/lwz622/article/details/103131972
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