85 lines
3.1 KiB
Java
85 lines
3.1 KiB
Java
/*
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* Copyright (C) 2015 Dominik Schürmann <dominik@dominikschuermann.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.util;
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import android.app.Activity;
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import android.content.Context;
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import android.content.pm.ActivityInfo;
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import android.content.res.Configuration;
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import android.view.Display;
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import android.view.Surface;
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import android.view.WindowManager;
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/**
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* Static methods related to device orientation.
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*/
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public class OrientationUtils {
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/**
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* Locks the device window in landscape mode.
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*/
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public static void lockOrientationLandscape(Activity activity) {
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activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
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}
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/**
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* Locks the device window in portrait mode.
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*/
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public static void lockOrientationPortrait(Activity activity) {
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activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
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}
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/**
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* Locks the device window in actual screen mode.
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*/
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public static void lockOrientation(Activity activity) {
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Display display = ((WindowManager) activity.getSystemService(Context.WINDOW_SERVICE))
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.getDefaultDisplay();
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int rotation = display.getRotation();
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int tempOrientation = activity.getResources().getConfiguration().orientation;
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int orientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
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switch (tempOrientation) {
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case Configuration.ORIENTATION_LANDSCAPE: {
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if (rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_90) {
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orientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
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} else {
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orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
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}
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break;
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}
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case Configuration.ORIENTATION_PORTRAIT: {
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if (rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_270) {
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orientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
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} else {
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orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
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}
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break;
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}
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}
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activity.setRequestedOrientation(orientation);
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}
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/**
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* Unlocks the device window in user defined screen mode.
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*/
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public static void unlockOrientation(Activity activity) {
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activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_USER);
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}
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} |