[adb-wireless] Add Wireless Debugging Switch in Developer options.

Bug: 111434128
Bug: 119492574

Test: make RunSettingsRoboTests ROBOTEST_FILTER=WirelessDebugging
Change-Id: I188badb43035172642cf235bb27e56d3a1dea169

src/com/android/settings/development/AdbDeviceNamePreferenceController.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2020 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.development;
+
+import static android.content.Context.CLIPBOARD_SERVICE;
+
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.os.Build;
+import android.provider.Settings;
+import android.widget.Toast;
+
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * Controller for the device name preference in the Wireless debugging
+ * fragment.
+ */
+public class AdbDeviceNamePreferenceController extends BasePreferenceController {
+    private static final String TAG = "AdbDeviceNamePrefCtrl";
+
+    private String mDeviceName;
+
+    public AdbDeviceNamePreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+
+        // Keep device name in sync with Settings > About phone > Device name
+        mDeviceName = Settings.Global.getString(mContext.getContentResolver(),
+                Settings.Global.DEVICE_NAME);
+        if (mDeviceName == null) {
+            mDeviceName = Build.MODEL;
+        }
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        return mDeviceName;
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public void copy() {
+        final ClipboardManager clipboard = (ClipboardManager) mContext.getSystemService(
+                CLIPBOARD_SERVICE);
+        clipboard.setPrimaryClip(ClipData.newPlainText("text", mDeviceName));
+
+        final String toast = mContext.getString(R.string.copyable_slice_toast,
+                mDeviceName);
+        Toast.makeText(mContext, toast, Toast.LENGTH_SHORT).show();
+    }
+}