MT8385 Android 11 系统状态栏导航栏控制_android mtk 导航栏

项目功能：

在设置中增加状态栏和导航栏得显示隐藏控制

项目修改

1.vendor/mediatek/proprietary/packages/apps/MtkSettings/设置中修改

vendor/mediatek/proprietary/packages/apps/MtkSettings/res/values/strings.xml下增加
 
+    <!-- navigation bar control -->
+    <string name="switch_navigation_title">Switch_BarView</string>
+    <string name="switch_navigation_summary">Display/Hide BarView</string>
 
vendor/mediatek/proprietary/packages/apps/MtkSettings/res/xml/display_settings.xml 下增加
 
+    <SwitchPreference
+       android:key="switch_navagation"
+       android:title="@string/switch_navigation_title"
+       android:summary="@string/switch_navigation_summary" />
vendor/mediatek/proprietary/packages/apps/MtkSettings/src/com/android/settings/DisplaySettings.java 增加
+import com.android.settings.display.SwitchNavagationPreferenceController;
+controllers.add(new SwitchNavagationPreferenceController(context));

vendor/mediatek/proprietary/packages/apps/MtkSettings/src/com/android/settings/display/SwitchNavagationPreferenceController.java
+/*
+ * Copyright (C) 2017 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.
+ */
+package com.android.settings.display;
+
+import android.content.Context;
+import android.provider.Settings;
+import android.os.SystemProperties;
+import android.os.RemoteException;
+import androidx.preference.Preference;
+import androidx.preference.SwitchPreference;
+import android.content.BroadcastReceiver;
+import android.content.Intent;
+import android.util.Log;
+import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.core.AbstractPreferenceController;
+
+public class SwitchNavagationPreferenceController extends AbstractPreferenceController
+        implements PreferenceControllerMixin, Preference.OnPreferenceChangeListener {
+
+    private static final String TAG = "SwitchNavagationPreferenceController";
+
+    private static final String KEY_SWITCH_NAVAGATION = "switch_navagation";
+
+    public SwitchNavagationPreferenceController(Context context) {
+        super(context);
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return true;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_SWITCH_NAVAGATION;
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        boolean value = (Boolean) newValue;
+        //Settings.Secure.putInt(mContext.getContentResolver(),
+        //        KEY_SWITCH_NAVAGATION, value ? 1 : 0);
+        sendToReceiver(value);
+        return true;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        int value = 0;
+        //int value = Settings.Secure.getInt(mContext.getContentResolver(),
+        //        KEY_SWITCH_NAVAGATION, 1);
+      try{
+          String nvbshow = SystemProperties.get("persist.sys.show_bar","1");
+          if(nvbshow.equals("1")){
+                   value = 1;
+          }else{
+          value = 0;
+          }
+       } catch (Exception ex) {
+               Log.d(TAG,"tes get nvbshow failed");
+       }
+        ((SwitchPreference) preference).setChecked(value != 0);
+    }
+
+   private void sendToReceiver(boolean enable) {
+         Intent intent;
+         if(enable){
+               intent = new Intent("com.tes.show_bar");
+         }else{
+       intent = new Intent("com.tes.hide_bar");
+        }
+        mContext.sendBroadcast(intent);
+     }
+
+}

2.vendor/mediatek/proprietary/packages/apps/SystemUI/ 中修改

vendor/mediatek/proprietary/packages/apps/SystemUI/src/com/android/systemui/statusbar/NavigationBarController.java 增加方法
 
+    //add by max.chen 20220602 start
+    public void removeTesNavigationBar(){
+          //removeNavigationBar(DEFAULT_DISPLAY);
+          Display[] displays = mDisplayManager.getDisplays();
+          for (Display display : displays) {
+               removeNavigationBar(display.getDisplayId());
+         }
+    }
+    //add by max.chen 202206-2 end

vendor/mediatek/proprietary/packages/apps/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java中增加
 
+    //add by max.chen 20220602 start
+    private static final String TES_SHOW_BAR = "com.tes.show_bar";
+    private static final String TES_HIDE_BAR = "com.tes.hide_bar";
+    //add by max.chen 20220602 end
 
 
 
+
+       //add by max.chen 20220602 start
+        //createNavigationBar(result);
+        try{
+              //persist.sys.show_bar 1:display 0:hide
+                       String nvbshow = SystemProperties.get("persist.sys.show_bar","1");
+                       if(nvbshow.equals("1")){
+                       mStatusBarWindowController.setForceStatusBarVisible(true);
+                       mPhoneStatusBarWindow.setVisibility(View.VISIBLE);
+                       Log.d(TAG,"display navigation bar");
+                       createNavigationBar(result);
+
+                       }else{
+                               Log.d(TAG,"hide navigation bar");
+                               mStatusBarWindowController.setForceStatusBarVisible(false);
+                               mPhoneStatusBarWindow.setVisibility(View.GONE);
+
+                       }
+        } catch (Exception ex) {
+               Log.d(TAG,"tes set PhoneStatusBarWindow failed");
+        }
 
-        createNavigationBar(result);
 
 
广播中增加
+        filter.addAction(TES_SHOW_BAR);
+        filter.addAction(TES_HIDE_BAR);
 
private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver()方法中增加
 
+           RegisterStatusBarResult result = null;
+            try {
+                result = mBarService.registerStatusBar(mCommandQueue);
+            } catch (RemoteException ex) {
+                ex.rethrowFromSystemServer();
+            }
 
 
 
+           //add by max.chen 20220602 start
+           else if(TES_SHOW_BAR.equals(action)) {
+              NavigationBarView mNavigationBarView = mNavigationBarController.getDefaultNavigationBarView();
+               if(mNavigationBarView != null) return;
+               mStatusBarWindowController.setForceStatusBarVisible(true);
+               mPhoneStatusBarWindow.setVisibility(View.VISIBLE);
+               createNavigationBar(result);
+               SystemProperties.set("persist.sys.show_bar","1");
+              }
+              else if(TES_HIDE_BAR.equals(action)) {
+               NavigationBarView mNavigationBarView = mNavigationBarController.getDefaultNavigationBarView();
+               if(mNavigationBarView == null) return;
+               mNavigationBarController.removeTesNavigationBar();
+              SystemProperties.set("persist.sys.show_bar","0");
+                       mStatusBarWindowController.setForceStatusBarVisible(false);
+                       mPhoneStatusBarWindow.setVisibility(View.GONE);
+             }
+            //add by max.chen 20220602 end

3.增加platform_app对System_property的设置权限

device/mediatek/sepolicy/basic/plat_private/platform_app.te

+get_prop(platform_app, system_prop)
+set_prop(platform_app, system_prop)

device/mediatek/sepolicy/basic/plat_private/platform_app.te 增加
+get_prop(platform_app, system_prop)
+set_prop(platform_app, system_prop)