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/*
* Copyright (C) 2012 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.keyguard;
import com.android.internal.widget.LockPatternUtils;
public interface KeyguardSecurityView {
static public final int SCREEN_ON = 1;
static public final int VIEW_REVEALED = 2;
int PROMPT_REASON_NONE = 0;
/**
* Strong auth is required because the device has just booted.
*/
int PROMPT_REASON_RESTART = 1;
/**
* Strong auth is required because the user hasn't used strong auth since a while.
*/
int PROMPT_REASON_TIMEOUT = 2;
/**
* Interface back to keyguard to tell it when security
* @param callback
*/
void setKeyguardCallback(KeyguardSecurityCallback callback);
/**
* Set {@link LockPatternUtils} object. Useful for providing a mock interface.
* @param utils
*/
void setLockPatternUtils(LockPatternUtils utils);
/**
* Reset the view and prepare to take input. This should do things like clearing the
* password or pattern and clear error messages.
*/
void reset();
/**
* Emulate activity life cycle within the view. When called, the view should clean up
* and prepare to be removed.
*/
void onPause();
/**
* Emulate activity life cycle within this view. When called, the view should prepare itself
* to be shown.
* @param reason the root cause of the event.
*/
void onResume(int reason);
/**
* Inquire whether this view requires IME (keyboard) interaction.
*
* @return true if IME interaction is required.
*/
boolean needsInput();
/**
* Get {@link KeyguardSecurityCallback} for the given object
* @return KeyguardSecurityCallback
*/
KeyguardSecurityCallback getCallback();
/**
* Show a string explaining why the security view needs to be solved.
*
* @param reason a flag indicating which string should be shown, see {@link #PROMPT_REASON_NONE}
* and {@link #PROMPT_REASON_RESTART}
*/
void showPromptReason(int reason);
/**
* Show a message on the security view with a specified color
*
* @param message the message to show
* @param color the color to use
*/
void showMessage(String message, int color);
/**
* Instruct the view to show usability hints, if any.
*
*/
void showUsabilityHint();
/**
* Starts the animation which should run when the security view appears.
*/
void startAppearAnimation();
/**
* Starts the animation which should run when the security view disappears.
*
* @param finishRunnable the runnable to be run when the animation ended
* @return true if an animation started and {@code finishRunnable} will be run, false if no
* animation started and {@code finishRunnable} will not be run
*/
boolean startDisappearAnimation(Runnable finishRunnable);
}
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