Add utils
This commit is contained in:
beanstown106
committed by
hungphan2001
hungphan2001
parent
b9fd5ed58a
commit
a4dba2147e
208
src/com/cherish/settings/preferences/Utils.java
Normal file
208
src/com/cherish/settings/preferences/Utils.java
Normal file
@@ -0,0 +1,208 @@
|
||||
/**
|
||||
* Copyright (C) 2016 The Pure Nexus 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.cherish.settings.preferences;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.content.Context;
|
||||
import android.content.pm.ActivityInfo;
|
||||
import android.content.pm.ApplicationInfo;
|
||||
import android.content.pm.PackageInfo;
|
||||
import android.content.pm.PackageManager;
|
||||
import android.content.pm.PackageManager.NameNotFoundException;
|
||||
import android.content.pm.Signature;
|
||||
import android.content.res.Configuration;
|
||||
import android.content.res.Resources;
|
||||
import android.content.res.Resources.NotFoundException;
|
||||
import android.hardware.camera2.CameraAccessException;
|
||||
import android.hardware.camera2.CameraCharacteristics;
|
||||
import android.hardware.camera2.CameraManager;
|
||||
import android.net.ConnectivityManager;
|
||||
import android.os.UserManager;
|
||||
import android.telephony.TelephonyManager;
|
||||
import android.util.DisplayMetrics;
|
||||
import android.view.DisplayInfo;
|
||||
import android.view.Surface;
|
||||
import android.view.WindowManager;
|
||||
|
||||
public final class Utils {
|
||||
private static final String TAG = "NitrogenSettingsUtils";
|
||||
|
||||
// Device types
|
||||
private static final int DEVICE_PHONE = 0;
|
||||
private static final int DEVICE_HYBRID = 1;
|
||||
private static final int DEVICE_TABLET = 2;
|
||||
|
||||
// Device type reference
|
||||
private static int sDeviceType = -1;
|
||||
|
||||
/**
|
||||
* Returns whether the device is voice-capable (meaning, it is also a phone).
|
||||
*/
|
||||
public static boolean isVoiceCapable(Context context) {
|
||||
TelephonyManager telephony =
|
||||
(TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
|
||||
return telephony != null && telephony.isVoiceCapable();
|
||||
}
|
||||
|
||||
public static boolean isWifiOnly(Context context) {
|
||||
ConnectivityManager cm = (ConnectivityManager)context.getSystemService(
|
||||
Context.CONNECTIVITY_SERVICE);
|
||||
return (cm.isNetworkSupported(ConnectivityManager.TYPE_MOBILE) == false);
|
||||
}
|
||||
|
||||
public static boolean hasMultipleUsers(Context context) {
|
||||
return ((UserManager) context.getSystemService(Context.USER_SERVICE))
|
||||
.getUsers().size() > 1;
|
||||
}
|
||||
|
||||
private static int getScreenType(Context context) {
|
||||
if (sDeviceType == -1) {
|
||||
WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
|
||||
DisplayInfo outDisplayInfo = new DisplayInfo();
|
||||
wm.getDefaultDisplay().getDisplayInfo(outDisplayInfo);
|
||||
int shortSize = Math.min(outDisplayInfo.logicalHeight, outDisplayInfo.logicalWidth);
|
||||
int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT
|
||||
/ outDisplayInfo.logicalDensityDpi;
|
||||
if (shortSizeDp < 600) {
|
||||
// 0-599dp: "phone" UI with a separate status & navigation bar
|
||||
sDeviceType = DEVICE_PHONE;
|
||||
} else if (shortSizeDp < 720) {
|
||||
// 600-719dp: "phone" UI with modifications for larger screens
|
||||
sDeviceType = DEVICE_HYBRID;
|
||||
} else {
|
||||
// 720dp: "tablet" UI with a single combined status & navigation bar
|
||||
sDeviceType = DEVICE_TABLET;
|
||||
}
|
||||
}
|
||||
return sDeviceType;
|
||||
}
|
||||
|
||||
public static boolean isPhone(Context context) {
|
||||
return getScreenType(context) == DEVICE_PHONE;
|
||||
}
|
||||
|
||||
public static boolean isHybrid(Context context) {
|
||||
return getScreenType(context) == DEVICE_HYBRID;
|
||||
}
|
||||
|
||||
public static boolean isTablet(Context context) {
|
||||
return getScreenType(context) == DEVICE_TABLET;
|
||||
}
|
||||
|
||||
/**
|
||||
* Determine whether a package is a "system package", in which case certain things (like
|
||||
* disabling notifications or disabling the package altogether) should be disallowed.
|
||||
*/
|
||||
public static boolean isSystemPackage(PackageManager pm, PackageInfo pkg) {
|
||||
if (sSystemSignature == null) {
|
||||
sSystemSignature = new Signature[]{ getSystemSignature(pm) };
|
||||
}
|
||||
return sSystemSignature[0] != null && sSystemSignature[0].equals(getFirstSignature(pkg));
|
||||
}
|
||||
|
||||
private static Signature[] sSystemSignature;
|
||||
|
||||
private static Signature getFirstSignature(PackageInfo pkg) {
|
||||
if (pkg != null && pkg.signatures != null && pkg.signatures.length > 0) {
|
||||
return pkg.signatures[0];
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
private static Signature getSystemSignature(PackageManager pm) {
|
||||
try {
|
||||
final PackageInfo sys = pm.getPackageInfo("android", PackageManager.GET_SIGNATURES);
|
||||
return getFirstSignature(sys);
|
||||
} catch (NameNotFoundException e) {
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
public static boolean isPackageInstalled(Context context, String pkg, boolean ignoreState) {
|
||||
if (pkg != null) {
|
||||
try {
|
||||
PackageInfo pi = context.getPackageManager().getPackageInfo(pkg, 0);
|
||||
if (!pi.applicationInfo.enabled && !ignoreState) {
|
||||
return false;
|
||||
}
|
||||
} catch (NameNotFoundException e) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
public static boolean isPackageInstalled(Context context, String pkg) {
|
||||
return isPackageInstalled(context, pkg, true);
|
||||
}
|
||||
|
||||
/**
|
||||
* Locks the activity orientation to the current device orientation
|
||||
* @param activity
|
||||
*/
|
||||
public static void lockCurrentOrientation(Activity activity) {
|
||||
int currentRotation = activity.getWindowManager().getDefaultDisplay().getRotation();
|
||||
int orientation = activity.getResources().getConfiguration().orientation;
|
||||
int frozenRotation = 0;
|
||||
switch (currentRotation) {
|
||||
case Surface.ROTATION_0:
|
||||
frozenRotation = orientation == Configuration.ORIENTATION_LANDSCAPE
|
||||
? ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
|
||||
: ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
|
||||
break;
|
||||
case Surface.ROTATION_90:
|
||||
frozenRotation = orientation == Configuration.ORIENTATION_PORTRAIT
|
||||
? ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT
|
||||
: ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
|
||||
break;
|
||||
case Surface.ROTATION_180:
|
||||
frozenRotation = orientation == Configuration.ORIENTATION_LANDSCAPE
|
||||
? ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE
|
||||
: ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
|
||||
break;
|
||||
case Surface.ROTATION_270:
|
||||
frozenRotation = orientation == Configuration.ORIENTATION_PORTRAIT
|
||||
? ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
|
||||
: ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
|
||||
break;
|
||||
}
|
||||
activity.setRequestedOrientation(frozenRotation);
|
||||
}
|
||||
|
||||
public static boolean deviceSupportsFlashLight(Context context) {
|
||||
CameraManager cameraManager = (CameraManager) context.getSystemService(
|
||||
Context.CAMERA_SERVICE);
|
||||
try {
|
||||
String[] ids = cameraManager.getCameraIdList();
|
||||
for (String id : ids) {
|
||||
CameraCharacteristics c = cameraManager.getCameraCharacteristics(id);
|
||||
Boolean flashAvailable = c.get(CameraCharacteristics.FLASH_INFO_AVAILABLE);
|
||||
Integer lensFacing = c.get(CameraCharacteristics.LENS_FACING);
|
||||
if (flashAvailable != null
|
||||
&& flashAvailable
|
||||
&& lensFacing != null
|
||||
&& lensFacing == CameraCharacteristics.LENS_FACING_BACK) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
} catch (CameraAccessException e) {
|
||||
// Ignore
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user