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开发平台基本信息

芯片: MTK8766
版本: Android 12
kernel: msm-4.19

问题描述

最近做了一款没有屏幕显示的智能盒子，要想操控这款设备就只能通过adb投屏，如果默认不允许有线连接，那么要怎么实现adb投屏呢？安卓是支持WIFI adb连接投屏的，只要盒子启动热点，然后用手机或者其他有屏幕的设备连接盒子的热点，这样就可以通过IP地址在有屏幕的设备操纵智能盒子。所以，需要做的事情有几个：

• 修改盒子热点的默认名称、密码
• 固定热点的IP地址

解决方法

设备默认开启热点，固定热点的名称、密码以及IP地址，然后手机或者电脑，连接设备的热点，这样电脑跟设备就处于同一个局域网内，通过固定IP就能连接、操作设备。

• 固定热点名称、密码

--- a/packages/modules/Wifi/service/java/com/android/server/wifi/WifiApConfigStore.java
+++ b/packages/modules/Wifi/service/java/com/android/server/wifi/WifiApConfigStore.java
@@ -346,13 +346,16 @@ public class WifiApConfigStore {private SoftApConfiguration getDefaultApConfiguration() {SoftApConfiguration.Builder configBuilder = new SoftApConfiguration.Builder();configBuilder.setBand(generateDefaultBand(mContext));
-        configBuilder.setSsid(mContext.getResources().getString(
-                R.string.wifi_tether_configure_ssid_default) + "_" + getRandomIntForDefaultSsid());
+        // configBuilder.setSsid(mContext.getResources().getString(
+        //         R.string.wifi_tether_configure_ssid_default) + "_" + getRandomIntForDefaultSsid());
+        configBuilder.setSsid("WIFI_Test");if (ApConfigUtil.isWpa3SaeSupported(mContext)) {
-            configBuilder.setPassphrase(generatePassword(),
+            // configBuilder.setPassphrase(generatePassword(),
+            configBuilder.setPassphrase("123456",SoftApConfiguration.SECURITY_TYPE_WPA3_SAE_TRANSITION);} else {
-            configBuilder.setPassphrase(generatePassword(),
+            // configBuilder.setPassphrase(generatePassword(),
+            configBuilder.setPassphrase("123456",SoftApConfiguration.SECURITY_TYPE_WPA2_PSK);}

• 固定IP地址

--- a/packages/modules/Connectivity/Tethering/src/android/net/ip/IpServer.java
+++ b/packages/modules/Connectivity/Tethering/src/android/net/ip/IpServer.java
@@ -111,6 +111,7 @@ public class IpServer extends StateMachine {// TODO: have PanService use some visible version of this constantprivate static final String BLUETOOTH_IFACE_ADDR = "192.168.44.1/24";
+    private static final String WIFI_IFACE_ADDR = "192.168.68.68/24";// TODO: have this configurableprivate static final int DHCP_LEASE_TIME_SECS = 3600;
@@ -657,6 +658,8 @@ public class IpServer extends StateMachine {if (mInterfaceType == TetheringManager.TETHERING_BLUETOOTH) {return new LinkAddress(BLUETOOTH_IFACE_ADDR);
+        }else if (mInterfaceType == TetheringManager.TETHERING_WIFI){
+            return new LinkAddress(WIFI_IFACE_ADDR);}return mPrivateAddressCoordinator.requestDownstreamAddress(this, useLastAddress);

• 接收到开机广播，默认开启热点

--- a/frameworks/base/custom/java/com/common/sdk/security/SecurityService.java
+++ b/frameworks/base/custom/java/com/common/sdk/security/SecurityService.java
@@ -60,6 +60,10 @@ import android.os.UserHandle;import static android.provider.Settings.System.SHOW_BATTERY_PERCENT;import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE;import android.telephony.SubscriptionManager;
+import static android.net.ConnectivityManager.TETHERING_WIFI;
+import android.os.Handler;
+import android.os.Looper;
+import android.net.ConnectivityManager;public class SecurityService extends ISecurityService.Stub {private static final String TAG = "SecurityService";
@@ -124,11 +128,23 @@ public class SecurityService extends ISecurityService.Stub {//}}+    ConnectivityManager.OnStartTetheringCallback mOnStartTetheringCallback =
+            new ConnectivityManager.OnStartTetheringCallback() {
+                @Override
+                public void onTetheringFailed() {
+                    super.onTetheringFailed();
+                }
+            };
+private final class securityReceiver extends BroadcastReceiver {@Overridepublic void onReceive(Context context, Intent intent) {if (intent.getAction().equals(Intent.ACTION_BOOT_COMPLETED)) {Log.d(TAG, "Receive intent ACTION_BOOT_COMPLETED");
+                ConnectivityManager mConnectivityManager = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
+                mConnectivityManager.startTethering(TETHERING_WIFI, true /* showProvisioningUi */,
+                    mOnStartTetheringCallback, new Handler(Looper.getMainLooper()));
+String basebandVersion = null;String languageAlreadySet = null;basebandVersion = TelpoUtil.getBasebandVersion();