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/*
* Copyright (C) 2014 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 android.telecom;
import android.annotation.SystemApi;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.PackageManager;
import android.content.res.Resources.NotFoundException;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.Icon;
import android.net.Uri;
import android.os.Parcel;
import android.os.Parcelable;
import android.text.TextUtils;
import java.lang.String;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.MissingResourceException;
/**
* Represents a distinct method to place or receive a phone call. Apps which can place calls and
* want those calls to be integrated into the dialer and in-call UI should build an instance of
* this class and register it with the system using {@link TelecomManager}.
* <p>
* {@link TelecomManager} uses registered {@link PhoneAccount}s to present the user with
* alternative options when placing a phone call. When building a {@link PhoneAccount}, the app
* should supply a valid {@link PhoneAccountHandle} that references the connection service
* implementation Telecom will use to interact with the app.
*/
public final class PhoneAccount implements Parcelable {
/**
* Flag indicating that this {@code PhoneAccount} can act as a connection manager for
* other connections. The {@link ConnectionService} associated with this {@code PhoneAccount}
* will be allowed to manage phone calls including using its own proprietary phone-call
* implementation (like VoIP calling) to make calls instead of the telephony stack.
* <p>
* When a user opts to place a call using the SIM-based telephony stack, the
* {@link ConnectionService} associated with this {@code PhoneAccount} will be attempted first
* if the user has explicitly selected it to be used as the default connection manager.
* <p>
* See {@link #getCapabilities}
*/
public static final int CAPABILITY_CONNECTION_MANAGER = 0x1;
/**
* Flag indicating that this {@code PhoneAccount} can make phone calls in place of
* traditional SIM-based telephony calls. This account will be treated as a distinct method
* for placing calls alongside the traditional SIM-based telephony stack. This flag is
* distinct from {@link #CAPABILITY_CONNECTION_MANAGER} in that it is not allowed to manage
* or place calls from the built-in telephony stack.
* <p>
* See {@link #getCapabilities}
* <p>
*/
public static final int CAPABILITY_CALL_PROVIDER = 0x2;
/**
* Flag indicating that this {@code PhoneAccount} represents a built-in PSTN SIM
* subscription.
* <p>
* Only the Android framework can register a {@code PhoneAccount} having this capability.
* <p>
* See {@link #getCapabilities}
*/
public static final int CAPABILITY_SIM_SUBSCRIPTION = 0x4;
/**
* Flag indicating that this {@code PhoneAccount} is capable of placing video calls.
* <p>
* See {@link #getCapabilities}
*/
public static final int CAPABILITY_VIDEO_CALLING = 0x8;
/**
* Flag indicating that this {@code PhoneAccount} is capable of placing emergency calls.
* By default all PSTN {@code PhoneAccount}s are capable of placing emergency calls.
* <p>
* See {@link #getCapabilities}
*/
public static final int CAPABILITY_PLACE_EMERGENCY_CALLS = 0x10;
/**
* Flag indicating that this {@code PhoneAccount} is capable of being used by all users. This
* should only be used by system apps (and will be ignored for all other apps trying to use it).
* <p>
* See {@link #getCapabilities}
* @hide
*/
@SystemApi
public static final int CAPABILITY_MULTI_USER = 0x20;
/**
* Flag indicating that this {@code PhoneAccount} supports a subject for Calls. This means a
* caller is able to specify a short subject line for an outgoing call. A capable receiving
* device displays the call subject on the incoming call screen.
* <p>
* See {@link #getCapabilities}
*/
public static final int CAPABILITY_CALL_SUBJECT = 0x40;
/**
* URI scheme for telephone number URIs.
*/
public static final String SCHEME_TEL = "tel";
/**
* URI scheme for voicemail URIs.
*/
public static final String SCHEME_VOICEMAIL = "voicemail";
/**
* URI scheme for SIP URIs.
*/
public static final String SCHEME_SIP = "sip";
/**
* Indicating no icon tint is set.
* @hide
*/
public static final int NO_ICON_TINT = 0;
/**
* Indicating no hightlight color is set.
*/
public static final int NO_HIGHLIGHT_COLOR = 0;
/**
* Indicating no resource ID is set.
*/
public static final int NO_RESOURCE_ID = -1;
private final PhoneAccountHandle mAccountHandle;
private final Uri mAddress;
private final Uri mSubscriptionAddress;
private final int mCapabilities;
private final int mHighlightColor;
private final CharSequence mLabel;
private final CharSequence mShortDescription;
private final List<String> mSupportedUriSchemes;
private final Icon mIcon;
private boolean mIsEnabled;
/**
* Helper class for creating a {@link PhoneAccount}.
*/
public static class Builder {
private PhoneAccountHandle mAccountHandle;
private Uri mAddress;
private Uri mSubscriptionAddress;
private int mCapabilities;
private int mHighlightColor = NO_HIGHLIGHT_COLOR;
private CharSequence mLabel;
private CharSequence mShortDescription;
private List<String> mSupportedUriSchemes = new ArrayList<String>();
private Icon mIcon;
private boolean mIsEnabled = false;
/**
* Creates a builder with the specified {@link PhoneAccountHandle} and label.
*/
public Builder(PhoneAccountHandle accountHandle, CharSequence label) {
this.mAccountHandle = accountHandle;
this.mLabel = label;
}
/**
* Creates an instance of the {@link PhoneAccount.Builder} from an existing
* {@link PhoneAccount}.
*
* @param phoneAccount The {@link PhoneAccount} used to initialize the builder.
*/
public Builder(PhoneAccount phoneAccount) {
mAccountHandle = phoneAccount.getAccountHandle();
mAddress = phoneAccount.getAddress();
mSubscriptionAddress = phoneAccount.getSubscriptionAddress();
mCapabilities = phoneAccount.getCapabilities();
mHighlightColor = phoneAccount.getHighlightColor();
mLabel = phoneAccount.getLabel();
mShortDescription = phoneAccount.getShortDescription();
mSupportedUriSchemes.addAll(phoneAccount.getSupportedUriSchemes());
mIcon = phoneAccount.getIcon();
mIsEnabled = phoneAccount.isEnabled();
}
/**
* Sets the address. See {@link PhoneAccount#getAddress}.
*
* @param value The address of the phone account.
* @return The builder.
*/
public Builder setAddress(Uri value) {
this.mAddress = value;
return this;
}
/**
* Sets the subscription address. See {@link PhoneAccount#getSubscriptionAddress}.
*
* @param value The subscription address.
* @return The builder.
*/
public Builder setSubscriptionAddress(Uri value) {
this.mSubscriptionAddress = value;
return this;
}
/**
* Sets the capabilities. See {@link PhoneAccount#getCapabilities}.
*
* @param value The capabilities to set.
* @return The builder.
*/
public Builder setCapabilities(int value) {
this.mCapabilities = value;
return this;
}
/**
* Sets the icon. See {@link PhoneAccount#getIcon}.
*
* @param icon The icon to set.
*/
public Builder setIcon(Icon icon) {
mIcon = icon;
return this;
}
/**
* Sets the highlight color. See {@link PhoneAccount#getHighlightColor}.
*
* @param value The highlight color.
* @return The builder.
*/
public Builder setHighlightColor(int value) {
this.mHighlightColor = value;
return this;
}
/**
* Sets the short description. See {@link PhoneAccount#getShortDescription}.
*
* @param value The short description.
* @return The builder.
*/
public Builder setShortDescription(CharSequence value) {
this.mShortDescription = value;
return this;
}
/**
* Specifies an additional URI scheme supported by the {@link PhoneAccount}.
*
* @param uriScheme The URI scheme.
* @return The builder.
*/
public Builder addSupportedUriScheme(String uriScheme) {
if (!TextUtils.isEmpty(uriScheme) && !mSupportedUriSchemes.contains(uriScheme)) {
this.mSupportedUriSchemes.add(uriScheme);
}
return this;
}
/**
* Specifies the URI schemes supported by the {@link PhoneAccount}.
*
* @param uriSchemes The URI schemes.
* @return The builder.
*/
public Builder setSupportedUriSchemes(List<String> uriSchemes) {
mSupportedUriSchemes.clear();
if (uriSchemes != null && !uriSchemes.isEmpty()) {
for (String uriScheme : uriSchemes) {
addSupportedUriScheme(uriScheme);
}
}
return this;
}
/**
* Sets the enabled state of the phone account.
*
* @param isEnabled The enabled state.
* @return The builder.
* @hide
*/
public Builder setIsEnabled(boolean isEnabled) {
mIsEnabled = isEnabled;
return this;
}
/**
* Creates an instance of a {@link PhoneAccount} based on the current builder settings.
*
* @return The {@link PhoneAccount}.
*/
public PhoneAccount build() {
// If no supported URI schemes were defined, assume "tel" is supported.
if (mSupportedUriSchemes.isEmpty()) {
addSupportedUriScheme(SCHEME_TEL);
}
return new PhoneAccount(
mAccountHandle,
mAddress,
mSubscriptionAddress,
mCapabilities,
mIcon,
mHighlightColor,
mLabel,
mShortDescription,
mSupportedUriSchemes,
mIsEnabled);
}
}
private PhoneAccount(
PhoneAccountHandle account,
Uri address,
Uri subscriptionAddress,
int capabilities,
Icon icon,
int highlightColor,
CharSequence label,
CharSequence shortDescription,
List<String> supportedUriSchemes,
boolean isEnabled) {
mAccountHandle = account;
mAddress = address;
mSubscriptionAddress = subscriptionAddress;
mCapabilities = capabilities;
mIcon = icon;
mHighlightColor = highlightColor;
mLabel = label;
mShortDescription = shortDescription;
mSupportedUriSchemes = Collections.unmodifiableList(supportedUriSchemes);
mIsEnabled = isEnabled;
}
public static Builder builder(
PhoneAccountHandle accountHandle,
CharSequence label) {
return new Builder(accountHandle, label);
}
/**
* Returns a builder initialized with the current {@link PhoneAccount} instance.
*
* @return The builder.
*/
public Builder toBuilder() { return new Builder(this); }
/**
* The unique identifier of this {@code PhoneAccount}.
*
* @return A {@code PhoneAccountHandle}.
*/
public PhoneAccountHandle getAccountHandle() {
return mAccountHandle;
}
/**
* The address (e.g., a phone number) associated with this {@code PhoneAccount}. This
* represents the destination from which outgoing calls using this {@code PhoneAccount}
* will appear to come, if applicable, and the destination to which incoming calls using this
* {@code PhoneAccount} may be addressed.
*
* @return A address expressed as a {@code Uri}, for example, a phone number.
*/
public Uri getAddress() {
return mAddress;
}
/**
* The raw callback number used for this {@code PhoneAccount}, as distinct from
* {@link #getAddress()}. For the majority of {@code PhoneAccount}s this should be registered
* as {@code null}. It is used by the system for SIM-based {@code PhoneAccount} registration
* where {@link android.telephony.TelephonyManager#setLine1NumberForDisplay(String, String)}
* has been used to alter the callback number.
* <p>
*
* @return The subscription number, suitable for display to the user.
*/
public Uri getSubscriptionAddress() {
return mSubscriptionAddress;
}
/**
* The capabilities of this {@code PhoneAccount}.
*
* @return A bit field of flags describing this {@code PhoneAccount}'s capabilities.
*/
public int getCapabilities() {
return mCapabilities;
}
/**
* Determines if this {@code PhoneAccount} has a capabilities specified by the passed in
* bit mask.
*
* @param capability The capabilities to check.
* @return {@code true} if the phone account has the capability.
*/
public boolean hasCapabilities(int capability) {
return (mCapabilities & capability) == capability;
}
/**
* A short label describing a {@code PhoneAccount}.
*
* @return A label for this {@code PhoneAccount}.
*/
public CharSequence getLabel() {
return mLabel;
}
/**
* A short paragraph describing this {@code PhoneAccount}.
*
* @return A description for this {@code PhoneAccount}.
*/
public CharSequence getShortDescription() {
return mShortDescription;
}
/**
* The URI schemes supported by this {@code PhoneAccount}.
*
* @return The URI schemes.
*/
public List<String> getSupportedUriSchemes() {
return mSupportedUriSchemes;
}
/**
* The icon to represent this {@code PhoneAccount}.
*
* @return The icon.
*/
public Icon getIcon() {
return mIcon;
}
/**
* Indicates whether the user has enabled this {@code PhoneAccount} or not. This value is only
* populated for {@code PhoneAccount}s returned by {@link TelecomManager#getPhoneAccount}.
*
* @return {@code true} if the account is enabled by the user, {@code false} otherwise.
*/
public boolean isEnabled() {
return mIsEnabled;
}
/**
* Determines if the {@link PhoneAccount} supports calls to/from addresses with a specified URI
* scheme.
*
* @param uriScheme The URI scheme to check.
* @return {@code true} if the {@code PhoneAccount} supports calls to/from addresses with the
* specified URI scheme.
*/
public boolean supportsUriScheme(String uriScheme) {
if (mSupportedUriSchemes == null || uriScheme == null) {
return false;
}
for (String scheme : mSupportedUriSchemes) {
if (scheme != null && scheme.equals(uriScheme)) {
return true;
}
}
return false;
}
/**
* A highlight color to use in displaying information about this {@code PhoneAccount}.
*
* @return A hexadecimal color value.
*/
public int getHighlightColor() {
return mHighlightColor;
}
/**
* Sets the enabled state of the phone account.
* @hide
*/
public void setIsEnabled(boolean isEnabled) {
mIsEnabled = isEnabled;
}
//
// Parcelable implementation
//
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel out, int flags) {
if (mAccountHandle == null) {
out.writeInt(0);
} else {
out.writeInt(1);
mAccountHandle.writeToParcel(out, flags);
}
if (mAddress == null) {
out.writeInt(0);
} else {
out.writeInt(1);
mAddress.writeToParcel(out, flags);
}
if (mSubscriptionAddress == null) {
out.writeInt(0);
} else {
out.writeInt(1);
mSubscriptionAddress.writeToParcel(out, flags);
}
out.writeInt(mCapabilities);
out.writeInt(mHighlightColor);
out.writeCharSequence(mLabel);
out.writeCharSequence(mShortDescription);
out.writeStringList(mSupportedUriSchemes);
if (mIcon == null) {
out.writeInt(0);
} else {
out.writeInt(1);
mIcon.writeToParcel(out, flags);
}
out.writeByte((byte) (mIsEnabled ? 1 : 0));
}
public static final Creator<PhoneAccount> CREATOR
= new Creator<PhoneAccount>() {
@Override
public PhoneAccount createFromParcel(Parcel in) {
return new PhoneAccount(in);
}
@Override
public PhoneAccount[] newArray(int size) {
return new PhoneAccount[size];
}
};
private PhoneAccount(Parcel in) {
if (in.readInt() > 0) {
mAccountHandle = PhoneAccountHandle.CREATOR.createFromParcel(in);
} else {
mAccountHandle = null;
}
if (in.readInt() > 0) {
mAddress = Uri.CREATOR.createFromParcel(in);
} else {
mAddress = null;
}
if (in.readInt() > 0) {
mSubscriptionAddress = Uri.CREATOR.createFromParcel(in);
} else {
mSubscriptionAddress = null;
}
mCapabilities = in.readInt();
mHighlightColor = in.readInt();
mLabel = in.readCharSequence();
mShortDescription = in.readCharSequence();
mSupportedUriSchemes = Collections.unmodifiableList(in.createStringArrayList());
if (in.readInt() > 0) {
mIcon = Icon.CREATOR.createFromParcel(in);
} else {
mIcon = null;
}
mIsEnabled = in.readByte() == 1;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder().append("[[")
.append(mIsEnabled ? 'X' : ' ')
.append("] PhoneAccount: ")
.append(mAccountHandle)
.append(" Capabilities: ")
.append(mCapabilities)
.append(" Schemes: ");
for (String scheme : mSupportedUriSchemes) {
sb.append(scheme)
.append(" ");
}
sb.append("]");
return sb.toString();
}
}