Merge "[Regulatory Labels] Load labels from overlays" into udc-d1-dev

Author: wangchaohui

AndroidManifest.xml

@@ -3759,6 +3759,7 @@
         <!-- Show regulatory info (from settings item or dialing "*#07#") -->
         <activity
             android:name="RegulatoryInfoDisplayActivity"
+            android:theme="@style/Theme.AlertDialog"
             android:label="@string/regulatory_labels"
             android:exported="true"
             android:enabled="@bool/config_show_regulatory_info">

res/values/config.xml

@@ -345,6 +345,9 @@
     <bool name="config_show_manual">false</bool>
     <!-- Whether to show a preference item for regulatory information in About phone -->
     <bool name="config_show_regulatory_info">false</bool>
+    <!-- Package name of regulatory information overlay which provides mapping and contents.
+         Fetch resource from overlay package directly if this is set. -->
+    <string name="config_regulatory_info_overlay_package_name" translatable="false" />
 
     <!-- Whether to show a preference item for mobile plan -->
     <bool name="config_show_mobile_plan">true</bool>

src/com/android/settings/RegulatoryInfoDisplayActivity.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2023 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
+
+import android.app.Activity
+import android.os.Bundle
+import android.view.Gravity
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.appcompat.app.AlertDialog
+import com.android.settings.deviceinfo.regulatory.RegulatoryInfo.getRegulatoryInfo
+
+/**
+ * [Activity] that displays regulatory information for the "Regulatory information"
+ * preference item, and when "*#07#" is dialed on the Phone keypad. To enable this feature,
+ * set the "config_show_regulatory_info" boolean to true in a device overlay resource, and in the
+ * same overlay, either add a drawable named "regulatory_info.png" containing a graphical version
+ * of the required regulatory info (If ro.bootloader.hardware.sku property is set use
+ * "regulatory_info_<sku>.png where sku is ro.bootloader.hardware.sku property value in lowercase"),
+ * or add a string resource named "regulatory_info_text" with an HTML version of the required
+ * information (text will be centered in the dialog).
+ */
+class RegulatoryInfoDisplayActivity : Activity() {
+
+    /** Display the regulatory info graphic in a dialog window. */
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        val builder = AlertDialog.Builder(this)
+            .setTitle(R.string.regulatory_labels)
+            .setOnDismissListener { finish() }  // close the activity
+            .setPositiveButton(android.R.string.ok, null)
+
+        getRegulatoryInfo()?.let {
+            val view = layoutInflater.inflate(R.layout.regulatory_info, null)
+            val image = view.findViewById<ImageView>(R.id.regulatoryInfo)
+            image.setImageDrawable(it)
+            builder.setView(view)
+            builder.show()
+            return
+        }
+
+        val regulatoryText = resources.getText(R.string.regulatory_info_text)
+        if (regulatoryText.isNotEmpty()) {
+            builder.setMessage(regulatoryText)
+            val dialog = builder.show()
+            // we have to show the dialog first, or the setGravity() call will throw a NPE
+            dialog.findViewById<TextView>(android.R.id.message)?.gravity = Gravity.CENTER
+        } else {
+            // neither drawable nor text resource exists, finish activity
+            finish()
+        }
+    }
+}

src/com/android/settings/RegulatoryInfoDisplayActivity.kt

@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2023 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.deviceinfo.regulatory
+
+import android.content.Context
+import android.content.res.Resources
+import android.graphics.drawable.Drawable
+import android.os.SystemProperties
+import androidx.annotation.DrawableRes
+import androidx.annotation.VisibleForTesting
+import com.android.settings.R
+
+
+
+/** To load Regulatory Info from device. */
+object RegulatoryInfo {
+    private const val REGULATORY_INFO_RESOURCE = "regulatory_info"
+
+    @VisibleForTesting
+    const val KEY_COO = "ro.boot.hardware.coo"
+
+    @VisibleForTesting
+    const val KEY_SKU = "ro.boot.hardware.sku"
+
+    /** Gets the regulatory drawable. */
+    fun Context.getRegulatoryInfo(): Drawable? {
+        val sku = getSku()
+        if (sku.isNotBlank()) {
+            // When hardware coo property exists, use regulatory_info_<sku>_<coo> resource if valid.
+            val coo = getCoo()
+            if (coo.isNotBlank()) {
+                getRegulatoryInfo("${REGULATORY_INFO_RESOURCE}_${sku}_$coo")?.let { return it }
+            }
+            // Use regulatory_info_<sku> resource if valid.
+            getRegulatoryInfo("${REGULATORY_INFO_RESOURCE}_$sku")?.let { return it }
+        }
+        return getRegulatoryInfo(REGULATORY_INFO_RESOURCE)
+    }
+
+    private fun getCoo(): String = SystemProperties.get(KEY_COO).lowercase()
+
+    private fun getSku(): String = SystemProperties.get(KEY_SKU).lowercase()
+
+    private fun Context.getRegulatoryInfo(fileName: String): Drawable? {
+        val overlayPackageName =
+            resources.getString(R.string.config_regulatory_info_overlay_package_name)
+                .ifBlank { packageName }
+        val resources = packageManager.getResourcesForApplication(overlayPackageName)
+        val id = resources.getIdentifier(fileName, "drawable", overlayPackageName)
+        return if (id > 0) resources.getRegulatoryInfo(id) else null
+    }
+
+    private fun Resources.getRegulatoryInfo(@DrawableRes resId: Int): Drawable? = try {
+        getDrawable(resId, null).takeIf {
+            // Ignore the placeholder image
+            it.intrinsicWidth > 10 && it.intrinsicHeight > 10
+        }
+    } catch (_: Resources.NotFoundException) {
+        null
+    }
+}