89 lines
3.4 KiB
Java
89 lines
3.4 KiB
Java
/*
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* Copyright (C) 2017 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.dialer.precall.impl;
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import android.app.Activity;
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import android.app.KeyguardManager;
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import android.os.Bundle;
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import android.support.annotation.Nullable;
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import android.view.WindowManager.LayoutParams;
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/** A transparent activity to host dialogs for {@link PreCallCoordinatorImpl} */
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public class PreCallActivity extends Activity {
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private PreCallCoordinatorImpl preCallCoordinator;
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@Override
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public void onCreate(@Nullable Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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preCallCoordinator = new PreCallCoordinatorImpl(this);
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preCallCoordinator.onCreate(getIntent(), savedInstanceState);
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if (getSystemService(KeyguardManager.class).isKeyguardLocked()) {
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// Note:
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//
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// Flag LayoutParams.FLAG_TURN_SCREEN_ON was deprecated in O_MR1, but calling the new API
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// setTurnScreenOn(true) doesn't give us the expected behavior.
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//
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// Calling setTurnScreenOn(true) alone doesn't turn on the screen when the device is locked.
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// We must also call KeyguardManager#requestDismissKeyguard, which will bring up the lock
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// screen for the user to enter their credentials.
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//
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// If the Keyguard is not secure or the device is currently in a trusted state, calling
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// requestDismissKeyguard will immediately dismiss the Keyguard without any user interaction.
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// However, the lock screen will still pop up before it quickly disappears.
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//
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// If the Keyguard is secure and the device is not in a trusted state, the device will show
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// the lock screen and wait for the user's credentials.
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//
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// Therefore, to avoid showing the lock screen, we will continue using the deprecated flag in
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// O_MR1 and later Android versions.
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//
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// Flag LayoutParams.FLAG_SHOW_WHEN_LOCKED was also deprecated in O_MR1, and the new API
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// setShowWhenLocked(boolean) works. However, as the purpose of the two new APIs is to prevent
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// an unintentional double life-cycle event, only using one is ineffective.
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//
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// Therefore, to simplify code and make testing easier, we will also keep using
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// LayoutParams.FLAG_SHOW_WHEN_LOCKED.
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getWindow().addFlags(LayoutParams.FLAG_SHOW_WHEN_LOCKED | LayoutParams.FLAG_TURN_SCREEN_ON);
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}
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}
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@Override
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protected void onRestoreInstanceState(Bundle savedInstanceState) {
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super.onRestoreInstanceState(savedInstanceState);
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preCallCoordinator.onRestoreInstanceState(savedInstanceState);
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}
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@Override
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public void onResume() {
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super.onResume();
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preCallCoordinator.onResume();
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}
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@Override
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public void onPause() {
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super.onPause();
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preCallCoordinator.onPause();
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}
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@Override
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public void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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preCallCoordinator.onSaveInstanceState(outState);
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}
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}
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