2 * Copyright (C) 2013 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.android.settings;
19 import android.app.Activity;
20 import android.app.AlertDialog;
21 import android.content.DialogInterface;
22 import android.content.res.Resources;
23 import android.graphics.drawable.Drawable;
24 import android.os.Bundle;
25 import android.os.SystemProperties;
26 import android.text.TextUtils;
27 import android.view.Gravity;
28 import android.view.View;
29 import android.widget.ImageView;
30 import android.widget.TextView;
33 * {@link Activity} that displays regulatory information for the "Regulatory information"
34 * preference item, and when "*#07#" is dialed on the Phone keypad. To enable this feature,
35 * set the "config_show_regulatory_info" boolean to true in a device overlay resource, and in the
36 * same overlay, either add a drawable named "regulatory_info.png" containing a graphical version
37 * of the required regulatory info (If ro.bootloader.hardware.sku property is set use
38 * "regulatory_info_<sku>.png where sku is ro.bootloader.hardware.sku property value in lowercase"),
39 * or add a string resource named "regulatory_info_text" with an HTML version of the required
40 * information (text will be centered in the dialog).
42 public class RegulatoryInfoDisplayActivity extends Activity implements
43 DialogInterface.OnDismissListener {
44 private final String REGULATORY_INFO_RESOURCE = "regulatory_info";
47 * Display the regulatory info graphic in a dialog window.
50 protected void onCreate(Bundle savedInstanceState) {
51 super.onCreate(savedInstanceState);
52 Resources resources = getResources();
54 if (!resources.getBoolean(R.bool.config_show_regulatory_info)) {
55 finish(); // no regulatory info to display for this device
58 AlertDialog.Builder builder = new AlertDialog.Builder(this)
59 .setTitle(R.string.regulatory_information)
60 .setOnDismissListener(this);
62 boolean regulatoryInfoDrawableExists = false;
63 int resId = getResourceId();
66 Drawable d = getDrawable(resId);
67 // set to false if the width or height is <= 2
68 // (missing PNG can return an empty 2x2 pixel Drawable)
69 regulatoryInfoDrawableExists = (d.getIntrinsicWidth() > 2
70 && d.getIntrinsicHeight() > 2);
71 } catch (Resources.NotFoundException ignored) {
72 regulatoryInfoDrawableExists = false;
76 CharSequence regulatoryText = resources.getText(R.string.regulatory_info_text);
78 if (regulatoryInfoDrawableExists) {
79 View view = getLayoutInflater().inflate(R.layout.regulatory_info, null);
80 ImageView image = (ImageView) view.findViewById(R.id.regulatoryInfo);
81 image.setImageResource(resId);
82 builder.setView(view);
84 } else if (regulatoryText.length() > 0) {
85 builder.setMessage(regulatoryText);
86 AlertDialog dialog = builder.show();
87 // we have to show the dialog first, or the setGravity() call will throw a NPE
88 TextView messageText = (TextView) dialog.findViewById(android.R.id.message);
89 messageText.setGravity(Gravity.CENTER);
91 // neither drawable nor text resource exists, finish activity
96 private int getResourceId() {
97 // Use regulatory_info by default.
98 int resId = getResources().getIdentifier(
99 REGULATORY_INFO_RESOURCE, "drawable", getPackageName());
101 // When hardware sku property exists, use regulatory_info_<sku> resource if valid.
102 String sku = SystemProperties.get("ro.boot.hardware.sku", "");
103 if (!TextUtils.isEmpty(sku)) {
104 String regulatory_info_res = REGULATORY_INFO_RESOURCE + "_" + sku.toLowerCase();
105 int id = getResources().getIdentifier(
106 regulatory_info_res, "drawable", getPackageName());
115 public void onDismiss(DialogInterface dialog) {
116 finish(); // close the activity