Add WiFi toggle prompts - settings
If permission review is enabled toggling WiFi on or off results in a user prompt to collect a consent. This applies only to legacy apps, i.e. ones that don't support runtime permissions as they target SDK 22. bug:28715749 Change-Id: I10d1231ea0c47eec5993dbe367cc0c245cba9385
This commit is contained in:
Svetoslav Ganov
303
src/com/android/settings/wifi/RequestToggleWiFiActivity.java
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303
src/com/android/settings/wifi/RequestToggleWiFiActivity.java
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.wifi;
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import android.app.Activity;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.PackageManager;
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import android.net.wifi.WifiManager;
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import android.os.Bundle;
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import android.support.annotation.NonNull;
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import android.text.TextUtils;
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import android.util.Log;
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import android.widget.Toast;
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import com.android.internal.app.AlertActivity;
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import com.android.settings.R;
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/**
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* This activity handles requests to toggle WiFi by collecting user
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* consent and waiting until the state change is completed.
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*/
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public class RequestToggleWiFiActivity extends AlertActivity
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implements DialogInterface.OnClickListener {
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private static final String LOG_TAG = "RequestToggleWiFiActivity";
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private static final long TOGGLE_TIMEOUT_MILLIS = 10000; // 10 sec
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private static final int STATE_UNKNOWN = -1;
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private static final int STATE_ENABLE = 1;
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private static final int STATE_ENABLING = 2;
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private static final int STATE_DISABLE = 3;
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private static final int STATE_DISABLING = 4;
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private final StateChangeReceiver mReceiver = new StateChangeReceiver();
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private final Runnable mTimeoutCommand = () -> {
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if (!isFinishing() && !isDestroyed()) {
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finish();
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}
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};
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private @NonNull WifiManager mWiFiManager;
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private @NonNull CharSequence mAppLabel;
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private int mState = STATE_UNKNOWN;
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private int mLastUpdateState = STATE_UNKNOWN;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mWiFiManager = getSystemService(WifiManager.class);
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setResult(Activity.RESULT_CANCELED);
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String packageName = getIntent().getStringExtra(Intent.EXTRA_PACKAGE_NAME);
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if (TextUtils.isEmpty(packageName)) {
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finish();
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return;
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}
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try {
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ApplicationInfo applicationInfo = getPackageManager().getApplicationInfo(
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packageName, 0);
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mAppLabel = applicationInfo.loadSafeLabel(getPackageManager());
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} catch (PackageManager.NameNotFoundException e) {
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Log.e(LOG_TAG, "Couldn't find app with package name " + packageName);
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finish();
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return;
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}
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String action = getIntent().getAction();
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switch (action) {
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case WifiManager.ACTION_REQUEST_ENABLE: {
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mState = STATE_ENABLE;
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} break;
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case WifiManager.ACTION_REQUEST_DISABLE: {
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mState = STATE_DISABLE;
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} break;
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default: {
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finish();
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}
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}
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}
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@Override
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public void onClick(DialogInterface dialog, int which) {
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if (which != DialogInterface.BUTTON_POSITIVE) {
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return;
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}
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switch (mState) {
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case STATE_ENABLE: {
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mWiFiManager.setWifiEnabled(true);
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mState = STATE_ENABLING;
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scheduleToggleTimeout();
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updateUi();
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} break;
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case STATE_DISABLE: {
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mWiFiManager.setWifiEnabled(false);
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mState = STATE_DISABLING;
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scheduleToggleTimeout();
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updateUi();
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} break;
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}
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}
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@Override
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protected void onStart() {
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super.onStart();
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mReceiver.register();
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final int wifiState = mWiFiManager.getWifiState();
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switch (mState) {
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case STATE_ENABLE: {
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switch (wifiState) {
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case WifiManager.WIFI_STATE_ENABLED: {
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setResult(RESULT_OK);
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finish();
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} return;
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case WifiManager.WIFI_STATE_ENABLING: {
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mState = STATE_ENABLING;
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scheduleToggleTimeout();
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} break;
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}
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} break;
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case STATE_DISABLE: {
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switch (wifiState) {
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case WifiManager.WIFI_STATE_DISABLED: {
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setResult(RESULT_OK);
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finish();
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}
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return;
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case WifiManager.WIFI_STATE_ENABLING: {
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mState = STATE_DISABLING;
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scheduleToggleTimeout();
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}
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break;
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}
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} break;
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case STATE_ENABLING: {
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switch (wifiState) {
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case WifiManager.WIFI_STATE_ENABLED: {
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setResult(RESULT_OK);
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finish();
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} return;
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case WifiManager.WIFI_STATE_ENABLING: {
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scheduleToggleTimeout();
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} break;
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case WifiManager.WIFI_STATE_DISABLED:
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case WifiManager.WIFI_STATE_DISABLING: {
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mState = STATE_ENABLE;
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} break;
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}
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} break;
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case STATE_DISABLING: {
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switch (wifiState) {
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case WifiManager.WIFI_STATE_DISABLED: {
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setResult(RESULT_OK);
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finish();
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} return;
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case WifiManager.WIFI_STATE_DISABLING: {
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scheduleToggleTimeout();
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} break;
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case WifiManager.WIFI_STATE_ENABLED:
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case WifiManager.WIFI_STATE_ENABLING: {
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mState = STATE_DISABLE;
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} break;
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}
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} break;
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}
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updateUi();
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}
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@Override
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protected void onStop() {
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mReceiver.unregister();
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unscheduleToggleTimeout();
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super.onStop();
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}
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private void updateUi() {
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if (mLastUpdateState == mState) {
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return;
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}
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mLastUpdateState = mState;
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switch (mState) {
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case STATE_ENABLE: {
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mAlertParams.mPositiveButtonText = getString(android.R.string.ok);
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mAlertParams.mPositiveButtonListener = this;
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mAlertParams.mMessage = getString(R.string.wifi_ask_enable, mAppLabel);
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} break;
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case STATE_ENABLING: {
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// Params set button text only if non-null, but we want a null
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// button text to hide the button, so reset the controller directly.
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mAlert.setButton(DialogInterface.BUTTON_POSITIVE, null, null, null);
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mAlertParams.mPositiveButtonText = null;
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mAlertParams.mPositiveButtonListener = null;
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mAlertParams.mMessage = getString(R.string.wifi_starting);
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} break;
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case STATE_DISABLE: {
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mAlertParams.mPositiveButtonText = getString(android.R.string.ok);
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mAlertParams.mPositiveButtonListener = this;
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mAlertParams.mMessage = getString(R.string.wifi_ask_disable, mAppLabel);
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} break;
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case STATE_DISABLING: {
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// Params set button text only if non-null, but we want a null
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// button text to hide the button, so reset the controller directly.
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mAlert.setButton(DialogInterface.BUTTON_POSITIVE, null, null, null);
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mAlertParams.mPositiveButtonText = null;
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mAlertParams.mPositiveButtonListener = null;
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mAlertParams.mMessage = getString(R.string.wifi_stopping);
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} break;
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}
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setupAlert();
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}
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@Override
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public void dismiss() {
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// Clicking on the dialog buttons dismisses the dialog and finishes
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// the activity but we want to finish after the WiFi state changed.
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}
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private void scheduleToggleTimeout() {
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getWindow().getDecorView().postDelayed(mTimeoutCommand, TOGGLE_TIMEOUT_MILLIS);
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}
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private void unscheduleToggleTimeout() {
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getWindow().getDecorView().removeCallbacks(mTimeoutCommand);
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}
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private final class StateChangeReceiver extends BroadcastReceiver {
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private final IntentFilter mFilter = new IntentFilter(
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WifiManager.WIFI_STATE_CHANGED_ACTION);
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public void register() {
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registerReceiver(this, mFilter);
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}
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public void unregister() {
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unregisterReceiver(this);
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}
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public void onReceive(Context context, Intent intent) {
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Activity activity = RequestToggleWiFiActivity.this;
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if (activity.isFinishing() || activity.isDestroyed()) {
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return;
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}
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final int currentState = mWiFiManager.getWifiState();
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switch (currentState) {
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case WifiManager.WIFI_STATE_ENABLED:
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case WifiManager.WIFI_STATE_DISABLED: {
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if (mState == STATE_ENABLING || mState == STATE_DISABLING) {
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RequestToggleWiFiActivity.this.setResult(Activity.RESULT_OK);
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finish();
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}
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} break;
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case WifiManager.ERROR: {
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Toast.makeText(activity, R.string.wifi_error, Toast.LENGTH_SHORT).show();
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finish();
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} break;
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}
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}
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}
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}
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Block a user