Start work on checkin

UnifiedNlpApi

@@ -1 +1 @@
-Subproject commit d72e67e45d5eba2d17c1b73ee296fff91d147136
+Subproject commit 06d1132344b4600ae00bda63d4da0acff7de42f0

UnifiedNlpLib

@@ -1 +1 @@
-Subproject commit 35713890ee761a2a5844aa1babd2a1cf737cf06e
+Subproject commit 1b2907207fd145efab7a1653d04134574a960a7d

build.gradle

@@ -37,6 +37,7 @@ dependencies {
     compile 'com.android.support:appcompat-v7:21.0.3'
 
     compile 'de.hdodenhof:circleimageview:1.2.1'
+    compile 'com.squareup.wire:wire-runtime:1.6.1'
 
     compile project(':GmsApi')
     compile project(':UnifiedNlpLib')
@@ -63,7 +64,7 @@ android {
     sourceSets {
         main {
             manifest.srcFile 'AndroidManifest.xml'
-            java.srcDirs = ['src']
+            java.srcDirs = ['src', 'protos-src']
             aidl.srcDirs = ['src']
             res.srcDirs = ['res']
             assets.srcDirs = ['assets']

protos-repo/checkin.proto

@@ -0,0 +1,115 @@
+option java_package = "org.microg.gms.checkin";
+
+option java_outer_classname = "CheckinProto";
+
+message CheckinRequest {
+    message DeviceConfig {
+        optional int32 touchScreen = 1; // ConfigurationInfo.reqTouchScreen
+        optional int32 keyboardType = 2; // ConfigurationInfo.reqKeyboardType
+        optional int32 navigation = 3; // ConfigurationInfo.reqNavigation
+        optional int32 screenLayout = 4; // ConfigurationInfo.screenLayout
+        optional bool hasHardKeyboard = 5; // ConfigurationInfo.reqInputFeatures & ConfigurationInfo.INPUT_FEATURE_HARD_KEYBOARD
+        optional bool hasFiveWayNavigation = 6; // ConfigurationInfo.reqInputFeatures & ConfigurationInfo.INPUT_FEATURE_FIVE_WAY_NAV
+        optional int32 densityDpi = 7; // DisplayMetrics.densityDpi
+        optional int32 glEsVersion = 8; // ConfigurationInfo.reqGlEsVersion
+        repeated string sharedLibrary = 9; // PackageManager.getSystemSharedLibraryNames
+        repeated string availableFeature = 10; // PackageManager.getSystemAvailableFeatures
+        repeated string nativePlatform = 11; // Build.CPU_ABI (and Build.CPU_ABI2 != "unknown")
+        optional int32 widthPixels = 12; // DisplayMetrics.widthPixels
+        optional int32 heightPixels = 13; // DisplayMetrics.heightPixels
+        repeated string locale = 14; // Context.getAssets.getLocales
+        repeated string glExtension = 15; // GLES10.glGetString(GLES10.GL_EXTENSIONS)
+        optional int32 deviceClass = 16; // unused
+        optional int32 maxApkDownloadSizeMb = 17; // unused
+    }
+    message Checkin {
+        message Event {
+            optional string tag = 1;
+            optional string value = 2;
+            optional int64 timeMs = 3;
+        }
+        message Statistic {
+            optional string tag = 1;
+            optional int32 count = 2;
+            optional float sum = 3;
+        }
+        message Build {
+            optional string fingerprint = 1; // Build.FINGERPRINT
+            optional string hardware = 2; // Build.HARDWARE
+            optional string brand = 3; // Build.BRAND
+            optional string radio = 4; // Build.getRadioVersion()
+            optional string bootloader = 5; // Build.BOOTLOADER
+            optional string clientId = 6; // GoogleSettingsContract.Partner["client_id"]
+            optional int64 time = 7; // Build.TIME / 1000L
+            optional int32 packageVersionCode = 8; // PackageInfo.versionCode
+            optional string device = 9; // Build.DEVICE
+            optional int32 sdkVersion = 10; // Build.VERSION.SDK_INT
+            optional string model = 11; // Build.MODEL
+            optional string manufacturer = 12; // Build.MANUFACTURER
+            optional string product = 13; // Build.PRODUCT
+            optional bool otaInstalled = 14; // fileExists("/system/recovery-from-boot.p")
+        }
+
+        optional Build build = 1;
+        optional int64 lastCheckinMs = 2; // or 0
+        repeated Event event = 3;
+        repeated Statistic stat = 4;
+        repeated string requestedGroup = 5; // unused
+        optional string cellOperator = 6; // TelephonyManager.getNetworkOperator != null|empty
+        optional string simOperator = 7; // TelephonyManager.getSimOperator != null|empty
+        optional string roaming = 8; // "mobile/notmobile/unknown-roaming/notroaming/unknown"
+        optional int32 userNumber = 9; // UserHandle.myUserId
+    }
+    optional string imei = 1; // unused
+    optional int64 androidId = 2; // Gservices["android_id"] or 0
+    optional string digest = 3; // Gservices["digest"] or ""
+    optional Checkin checkin = 4;
+    optional string desiredBuild = 5; // unused
+    optional string locale = 6; // Locale.toString
+    optional int64 loggingId = 7; // GoogleSettingsContract.Partner["logging_id2"]
+    optional string marketCheckin = 8; // unused
+    repeated string macAddress = 9; // NetworkInfo.getExtraInfo, WifiInfo.getMacAddress (12 hex-digits)
+    optional string meid = 10; // TelephonyManager.getDeviceId (14 hex-digits)
+    repeated string accountCookie = 11; // "[<email>]" followed by "<authToken>"
+    optional string timeZone = 12; // TimeZone.getId
+    optional fixed64 securityToken = 13;
+    optional int32 version = 14; // 3 if securityToken != 0 OR androidId == 0
+    repeated string otaCert = 15; // SHA-1 of each in /system/etc/security/otacerts.zip or "--IOException--" or "--no-output--"
+    optional string serial = 16; // Build.SERIAL != "unknown"
+    optional string esn = 17; // TelephonyManager.getDeviceId (8 hex-digits)
+    optional DeviceConfig deviceConfiguration = 18;
+    repeated string macAddressType = 19; // "ethernet", "wifi"
+    optional int32 fragment = 20; // unknown (use 0)
+    optional string userName = 21; // unused
+    optional int32 userSerialNumber = 22; // UserManager.getUserSerialNumber (if != 0)
+}
+
+message CheckinResponse {
+    message Intent {
+        message Extra {
+            optional string name = 6;
+            optional string value = 7;
+        }
+        optional string action = 1;
+        optional string dataUri = 2;
+        optional string mimeType = 3;
+        optional string javaClass = 4;
+        repeated Extra extra = 5;
+    }
+
+    message GservicesSetting {
+        optional bytes name = 1;
+        optional bytes value = 2;
+    }
+
+    optional bool statsOk = 1;
+    repeated Intent intent = 2;
+    optional int64 timeMs = 3;
+    optional string digest = 4;
+    repeated GservicesSetting setting = 5;
+    optional bool marketOk = 6;
+    optional fixed64 androidId = 7;
+    optional fixed64 securityToken = 8;
+    optional bool settingsDiff = 9;
+    repeated string deleteSetting = 10;
+}

protos-src/org/microg/gms/checkin/CheckinResponse.java

@@ -0,0 +1,462 @@
+// Code generated by Wire protocol buffer compiler, do not edit.
+// Source file: protos-repo/checkin.proto
+package org.microg.gms.checkin;
+
+import com.squareup.wire.Message;
+import com.squareup.wire.ProtoField;
+import java.util.Collections;
+import java.util.List;
+import okio.ByteString;
+
+import static com.squareup.wire.Message.Datatype.BOOL;
+import static com.squareup.wire.Message.Datatype.BYTES;
+import static com.squareup.wire.Message.Datatype.FIXED64;
+import static com.squareup.wire.Message.Datatype.INT64;
+import static com.squareup.wire.Message.Datatype.STRING;
+import static com.squareup.wire.Message.Label.REPEATED;
+
+public final class CheckinResponse extends Message {
+
+  public static final Boolean DEFAULT_STATSOK = false;
+  public static final List<Intent> DEFAULT_INTENT = Collections.emptyList();
+  public static final Long DEFAULT_TIMEMS = 0L;
+  public static final String DEFAULT_DIGEST = "";
+  public static final List<GservicesSetting> DEFAULT_SETTING = Collections.emptyList();
+  public static final Boolean DEFAULT_MARKETOK = false;
+  public static final Long DEFAULT_ANDROIDID = 0L;
+  public static final Long DEFAULT_SECURITYTOKEN = 0L;
+  public static final Boolean DEFAULT_SETTINGSDIFF = false;
+  public static final List<String> DEFAULT_DELETESETTING = Collections.emptyList();
+
+  @ProtoField(tag = 1, type = BOOL)
+  public final Boolean statsOk;
+
+  @ProtoField(tag = 2, label = REPEATED, messageType = Intent.class)
+  public final List<Intent> intent;
+
+  @ProtoField(tag = 3, type = INT64)
+  public final Long timeMs;
+
+  @ProtoField(tag = 4, type = STRING)
+  public final String digest;
+
+  @ProtoField(tag = 5, label = REPEATED, messageType = GservicesSetting.class)
+  public final List<GservicesSetting> setting;
+
+  @ProtoField(tag = 6, type = BOOL)
+  public final Boolean marketOk;
+
+  @ProtoField(tag = 7, type = FIXED64)
+  public final Long androidId;
+
+  @ProtoField(tag = 8, type = FIXED64)
+  public final Long securityToken;
+
+  @ProtoField(tag = 9, type = BOOL)
+  public final Boolean settingsDiff;
+
+  @ProtoField(tag = 10, type = STRING, label = REPEATED)
+  public final List<String> deleteSetting;
+
+  public CheckinResponse(Boolean statsOk, List<Intent> intent, Long timeMs, String digest, List<GservicesSetting> setting, Boolean marketOk, Long androidId, Long securityToken, Boolean settingsDiff, List<String> deleteSetting) {
+    this.statsOk = statsOk;
+    this.intent = immutableCopyOf(intent);
+    this.timeMs = timeMs;
+    this.digest = digest;
+    this.setting = immutableCopyOf(setting);
+    this.marketOk = marketOk;
+    this.androidId = androidId;
+    this.securityToken = securityToken;
+    this.settingsDiff = settingsDiff;
+    this.deleteSetting = immutableCopyOf(deleteSetting);
+  }
+
+  private CheckinResponse(Builder builder) {
+    this(builder.statsOk, builder.intent, builder.timeMs, builder.digest, builder.setting, builder.marketOk, builder.androidId, builder.securityToken, builder.settingsDiff, builder.deleteSetting);
+    setBuilder(builder);
+  }
+
+  @Override
+  public boolean equals(Object other) {
+    if (other == this) return true;
+    if (!(other instanceof CheckinResponse)) return false;
+    CheckinResponse o = (CheckinResponse) other;
+    return equals(statsOk, o.statsOk)
+        && equals(intent, o.intent)
+        && equals(timeMs, o.timeMs)
+        && equals(digest, o.digest)
+        && equals(setting, o.setting)
+        && equals(marketOk, o.marketOk)
+        && equals(androidId, o.androidId)
+        && equals(securityToken, o.securityToken)
+        && equals(settingsDiff, o.settingsDiff)
+        && equals(deleteSetting, o.deleteSetting);
+  }
+
+  @Override
+  public int hashCode() {
+    int result = hashCode;
+    if (result == 0) {
+      result = statsOk != null ? statsOk.hashCode() : 0;
+      result = result * 37 + (intent != null ? intent.hashCode() : 1);
+      result = result * 37 + (timeMs != null ? timeMs.hashCode() : 0);
+      result = result * 37 + (digest != null ? digest.hashCode() : 0);
+      result = result * 37 + (setting != null ? setting.hashCode() : 1);
+      result = result * 37 + (marketOk != null ? marketOk.hashCode() : 0);
+      result = result * 37 + (androidId != null ? androidId.hashCode() : 0);
+      result = result * 37 + (securityToken != null ? securityToken.hashCode() : 0);
+      result = result * 37 + (settingsDiff != null ? settingsDiff.hashCode() : 0);
+      result = result * 37 + (deleteSetting != null ? deleteSetting.hashCode() : 1);
+      hashCode = result;
+    }
+    return result;
+  }
+
+  public static final class Builder extends Message.Builder<CheckinResponse> {
+
+    public Boolean statsOk;
+    public List<Intent> intent;
+    public Long timeMs;
+    public String digest;
+    public List<GservicesSetting> setting;
+    public Boolean marketOk;
+    public Long androidId;
+    public Long securityToken;
+    public Boolean settingsDiff;
+    public List<String> deleteSetting;
+
+    public Builder() {
+    }
+
+    public Builder(CheckinResponse message) {
+      super(message);
+      if (message == null) return;
+      this.statsOk = message.statsOk;
+      this.intent = copyOf(message.intent);
+      this.timeMs = message.timeMs;
+      this.digest = message.digest;
+      this.setting = copyOf(message.setting);
+      this.marketOk = message.marketOk;
+      this.androidId = message.androidId;
+      this.securityToken = message.securityToken;
+      this.settingsDiff = message.settingsDiff;
+      this.deleteSetting = copyOf(message.deleteSetting);
+    }
+
+    public Builder statsOk(Boolean statsOk) {
+      this.statsOk = statsOk;
+      return this;
+    }
+
+    public Builder intent(List<Intent> intent) {
+      this.intent = checkForNulls(intent);
+      return this;
+    }
+
+    public Builder timeMs(Long timeMs) {
+      this.timeMs = timeMs;
+      return this;
+    }
+
+    public Builder digest(String digest) {
+      this.digest = digest;
+      return this;
+    }
+
+    public Builder setting(List<GservicesSetting> setting) {
+      this.setting = checkForNulls(setting);
+      return this;
+    }
+
+    public Builder marketOk(Boolean marketOk) {
+      this.marketOk = marketOk;
+      return this;
+    }
+
+    public Builder androidId(Long androidId) {
+      this.androidId = androidId;
+      return this;
+    }
+
+    public Builder securityToken(Long securityToken) {
+      this.securityToken = securityToken;
+      return this;
+    }
+
+    public Builder settingsDiff(Boolean settingsDiff) {
+      this.settingsDiff = settingsDiff;
+      return this;
+    }
+
+    public Builder deleteSetting(List<String> deleteSetting) {
+      this.deleteSetting = checkForNulls(deleteSetting);
+      return this;
+    }
+
+    @Override
+    public CheckinResponse build() {
+      return new CheckinResponse(this);
+    }
+  }
+
+  public static final class Intent extends Message {
+
+    public static final String DEFAULT_ACTION = "";
+    public static final String DEFAULT_DATAURI = "";
+    public static final String DEFAULT_MIMETYPE = "";
+    public static final String DEFAULT_JAVACLASS = "";
+    public static final List<Intent.Extra> DEFAULT_EXTRA = Collections.emptyList();
+
+    @ProtoField(tag = 1, type = STRING)
+    public final String action;
+
+    @ProtoField(tag = 2, type = STRING)
+    public final String dataUri;
+
+    @ProtoField(tag = 3, type = STRING)
+    public final String mimeType;
+
+    @ProtoField(tag = 4, type = STRING)
+    public final String javaClass;
+
+    @ProtoField(tag = 5, label = REPEATED, messageType = Intent.Extra.class)
+    public final List<Intent.Extra> extra;
+
+    public Intent(String action, String dataUri, String mimeType, String javaClass, List<Intent.Extra> extra) {
+      this.action = action;
+      this.dataUri = dataUri;
+      this.mimeType = mimeType;
+      this.javaClass = javaClass;
+      this.extra = immutableCopyOf(extra);
+    }
+
+    private Intent(Builder builder) {
+      this(builder.action, builder.dataUri, builder.mimeType, builder.javaClass, builder.extra);
+      setBuilder(builder);
+    }
+
+    @Override
+    public boolean equals(Object other) {
+      if (other == this) return true;
+      if (!(other instanceof Intent)) return false;
+      Intent o = (Intent) other;
+      return equals(action, o.action)
+          && equals(dataUri, o.dataUri)
+          && equals(mimeType, o.mimeType)
+          && equals(javaClass, o.javaClass)
+          && equals(extra, o.extra);
+    }
+
+    @Override
+    public int hashCode() {
+      int result = hashCode;
+      if (result == 0) {
+        result = action != null ? action.hashCode() : 0;
+        result = result * 37 + (dataUri != null ? dataUri.hashCode() : 0);
+        result = result * 37 + (mimeType != null ? mimeType.hashCode() : 0);
+        result = result * 37 + (javaClass != null ? javaClass.hashCode() : 0);
+        result = result * 37 + (extra != null ? extra.hashCode() : 1);
+        hashCode = result;
+      }
+      return result;
+    }
+
+    public static final class Builder extends Message.Builder<Intent> {
+
+      public String action;
+      public String dataUri;
+      public String mimeType;
+      public String javaClass;
+      public List<Intent.Extra> extra;
+
+      public Builder() {
+      }
+
+      public Builder(Intent message) {
+        super(message);
+        if (message == null) return;
+        this.action = message.action;
+        this.dataUri = message.dataUri;
+        this.mimeType = message.mimeType;
+        this.javaClass = message.javaClass;
+        this.extra = copyOf(message.extra);
+      }
+
+      public Builder action(String action) {
+        this.action = action;
+        return this;
+      }
+
+      public Builder dataUri(String dataUri) {
+        this.dataUri = dataUri;
+        return this;
+      }
+
+      public Builder mimeType(String mimeType) {
+        this.mimeType = mimeType;
+        return this;
+      }
+
+      public Builder javaClass(String javaClass) {
+        this.javaClass = javaClass;
+        return this;
+      }
+
+      public Builder extra(List<Intent.Extra> extra) {
+        this.extra = checkForNulls(extra);
+        return this;
+      }
+
+      @Override
+      public Intent build() {
+        return new Intent(this);
+      }
+    }
+
+    public static final class Extra extends Message {
+
+      public static final String DEFAULT_NAME = "";
+      public static final String DEFAULT_VALUE = "";
+
+      @ProtoField(tag = 6, type = STRING)
+      public final String name;
+
+      @ProtoField(tag = 7, type = STRING)
+      public final String value;
+
+      public Extra(String name, String value) {
+        this.name = name;
+        this.value = value;
+      }
+
+      private Extra(Builder builder) {
+        this(builder.name, builder.value);
+        setBuilder(builder);
+      }
+
+      @Override
+      public boolean equals(Object other) {
+        if (other == this) return true;
+        if (!(other instanceof Extra)) return false;
+        Extra o = (Extra) other;
+        return equals(name, o.name)
+            && equals(value, o.value);
+      }
+
+      @Override
+      public int hashCode() {
+        int result = hashCode;
+        if (result == 0) {
+          result = name != null ? name.hashCode() : 0;
+          result = result * 37 + (value != null ? value.hashCode() : 0);
+          hashCode = result;
+        }
+        return result;
+      }
+
+      public static final class Builder extends Message.Builder<Extra> {
+
+        public String name;
+        public String value;
+
+        public Builder() {
+        }
+
+        public Builder(Extra message) {
+          super(message);
+          if (message == null) return;
+          this.name = message.name;
+          this.value = message.value;
+        }
+
+        public Builder name(String name) {
+          this.name = name;
+          return this;
+        }
+
+        public Builder value(String value) {
+          this.value = value;
+          return this;
+        }
+
+        @Override
+        public Extra build() {
+          return new Extra(this);
+        }
+      }
+    }
+  }
+
+  public static final class GservicesSetting extends Message {
+
+    public static final ByteString DEFAULT_NAME = ByteString.EMPTY;
+    public static final ByteString DEFAULT_VALUE = ByteString.EMPTY;
+
+    @ProtoField(tag = 1, type = BYTES)
+    public final ByteString name;
+
+    @ProtoField(tag = 2, type = BYTES)
+    public final ByteString value;
+
+    public GservicesSetting(ByteString name, ByteString value) {
+      this.name = name;
+      this.value = value;
+    }
+
+    private GservicesSetting(Builder builder) {
+      this(builder.name, builder.value);
+      setBuilder(builder);
+    }
+
+    @Override
+    public boolean equals(Object other) {
+      if (other == this) return true;
+      if (!(other instanceof GservicesSetting)) return false;
+      GservicesSetting o = (GservicesSetting) other;
+      return equals(name, o.name)
+          && equals(value, o.value);
+    }
+
+    @Override
+    public int hashCode() {
+      int result = hashCode;
+      if (result == 0) {
+        result = name != null ? name.hashCode() : 0;
+        result = result * 37 + (value != null ? value.hashCode() : 0);
+        hashCode = result;
+      }
+      return result;
+    }
+
+    public static final class Builder extends Message.Builder<GservicesSetting> {
+
+      public ByteString name;
+      public ByteString value;
+
+      public Builder() {
+      }
+
+      public Builder(GservicesSetting message) {
+        super(message);
+        if (message == null) return;
+        this.name = message.name;
+        this.value = message.value;
+      }
+
+      public Builder name(ByteString name) {
+        this.name = name;
+        return this;
+      }
+
+      public Builder value(ByteString value) {
+        this.value = value;
+        return this;
+      }
+
+      @Override
+      public GservicesSetting build() {
+        return new GservicesSetting(this);
+      }
+    }
+  }
+}

src/org/microg/gms/auth/AuthClient.java

@@ -48,13 +48,16 @@ public class AuthClient {
                 content.append("&");
             content.append(Uri.encode(key)).append("=").append(Uri.encode(formContent.get(key)));
         }
+
         Log.d(TAG, "-- Request --\n" + content);
         OutputStream os = connection.getOutputStream();
         os.write(content.toString().getBytes());
         os.close();
+
         if (connection.getResponseCode() != 200) {
             throw new IOException(connection.getResponseMessage());
         }
+
         String result = new String(Utils.readStreamToEnd(connection.getInputStream()));
         Log.d(TAG, "-- Response --\n" + result);
         return AuthResponse.parse(result);

src/org/microg/gms/checkin/CheckinClient.java

@@ -0,0 +1,155 @@
+/*
+ * Copyright 2013-2015 µg Project Team
+ *
+ * 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 org.microg.gms.checkin;
+
+import android.util.Log;
+
+import com.squareup.wire.Wire;
+
+import org.microg.gms.common.Build;
+import org.microg.gms.common.DeviceConfiguration;
+import org.microg.gms.common.DeviceIdentifier;
+import org.microg.gms.common.PhoneInfo;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.Arrays;
+import java.util.List;
+
+public class CheckinClient {
+    private static final String TAG = "GmsCheckinClient";
+    private static final Object TODO = null;
+    private static final String SERVICE_URL = "https://android.clients.google.com/checkin";
+
+    public static CheckinResponse request(CheckinRequest request) throws IOException {
+        HttpURLConnection connection = (HttpURLConnection) new URL(SERVICE_URL).openConnection();
+        connection.setRequestMethod("POST");
+        connection.setDoInput(true);
+        connection.setDoOutput(true);
+        connection.setRequestProperty("Content-Type", "application/x-protobuffer");
+        connection.setRequestProperty("User-Agent", "Android-Checkin/2.0");
+
+        Log.d(TAG, "-- Request --\n" + request);
+        OutputStream os = connection.getOutputStream();
+        os.write(request.toByteArray());
+        os.close();
+
+        if (connection.getResponseCode() != 200) {
+            throw new IOException(connection.getResponseMessage());
+        }
+
+        InputStream is = connection.getInputStream();
+        CheckinResponse response = new Wire().parseFrom(is, CheckinResponse.class);
+        is.close();
+        return response;
+    }
+
+    private static CheckinRequest.Checkin.Build makeBuild(Build build) {
+        return new CheckinRequest.Checkin.Build.Builder()
+                .bootloader(build.bootloader)
+                .brand(build.brand)
+                .clientId((String) TODO)
+                .device(build.device)
+                .fingerprint(build.fingerprint)
+                .hardware(build.hardware)
+                .manufacturer(build.manufacturer)
+                .model(build.model)
+                .otaInstalled(false) // TODO?
+                .packageVersionCode(build.sdk) // TODO?
+                .product(build.product)
+                .radio(build.radio)
+                .sdkVersion(build.sdk)
+                .time(build.time / 1000)
+                .build();
+    }
+
+    private static CheckinRequest.DeviceConfig makeDeviceConfig(DeviceConfiguration deviceConfiguration) {
+        return new CheckinRequest.DeviceConfig.Builder()
+                .availableFeature(deviceConfiguration.availableFeatures)
+                .densityDpi(deviceConfiguration.densityDpi)
+                .deviceClass(deviceConfiguration.deviceClass)
+                .glEsVersion(deviceConfiguration.glEsVersion)
+                .glExtension(deviceConfiguration.glExtensions)
+                .hasFiveWayNavigation(deviceConfiguration.hasFiveWayNavigation)
+                .hasHardKeyboard(deviceConfiguration.hasHardKeyboard)
+                .heightPixels(deviceConfiguration.heightPixels)
+                .keyboardType(deviceConfiguration.keyboardType)
+                .locale(deviceConfiguration.locales)
+                .maxApkDownloadSizeMb((Integer) TODO)
+                .nativePlatform(deviceConfiguration.nativePlatforms)
+                .navigation(deviceConfiguration.navigation)
+                .screenLayout(deviceConfiguration.screenLayout)
+                .sharedLibrary(deviceConfiguration.sharedLibraries)
+                .touchScreen(deviceConfiguration.touchScreen)
+                .widthPixels(deviceConfiguration.widthPixels)
+                .build();
+    }
+
+    private static CheckinRequest.Checkin makeCheckin(CheckinRequest.Checkin.Build build,
+                                                      PhoneInfo phoneInfo, LastCheckinInfo checkinInfo) {
+        return new CheckinRequest.Checkin.Builder()
+                .build(build)
+                .cellOperator(phoneInfo.cellOperator)
+                .event((List<CheckinRequest.Checkin.Event>) TODO)
+                .lastCheckinMs(checkinInfo.lastCheckin)
+                .requestedGroup((List<String>) TODO)
+                .roaming(phoneInfo.roaming)
+                .simOperator(phoneInfo.simOperator)
+                .stat((List<CheckinRequest.Checkin.Statistic>) TODO)
+                .userNumber((Integer) TODO)
+                .build();
+    }
+
+    private static CheckinRequest makeRequest(CheckinRequest.Checkin checkin,
+                                              CheckinRequest.DeviceConfig deviceConfig,
+                                              DeviceIdentifier deviceIdent, LastCheckinInfo checkinInfo) {
+        return new CheckinRequest.Builder()
+                .accountCookie((List<String>) TODO)
+                .androidId(checkinInfo.androidId)
+                .checkin(checkin)
+                .desiredBuild((String) TODO)
+                .deviceConfiguration(deviceConfig)
+                .digest((String) TODO)
+                .esn(deviceIdent.esn)
+                .fragment((Integer) TODO)
+                .locale((String) TODO)
+                .loggingId((Long) TODO)
+                .macAddress(Arrays.asList(deviceIdent.wifiMac, deviceIdent.bluetoothMac))
+                .macAddressType(Arrays.asList("wifi", "bt")) // TODO
+                .marketCheckin((String) TODO)
+                .meid(deviceIdent.meid)
+                .otaCert((List<String>) TODO)
+                .securityToken(checkinInfo.securityToken)
+                .serial((String) TODO)
+                .timeZone((String) TODO)
+                .userName((String) TODO)
+                .userSerialNumber((Integer) TODO)
+                .version((Integer) TODO)
+                .build();
+
+    }
+
+    private static CheckinRequest makeRequest(Build build, DeviceConfiguration deviceConfiguration,
+                                              DeviceIdentifier deviceIdent, PhoneInfo phoneInfo,
+                                              LastCheckinInfo checkinInfo) {
+        return makeRequest(makeCheckin(makeBuild(build), phoneInfo, checkinInfo),
+                makeDeviceConfig(deviceConfiguration), deviceIdent, checkinInfo);
+    }
+}

src/org/microg/gms/checkin/LastCheckinInfo.java

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2013-2015 µg Project Team
+ *
+ * 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 org.microg.gms.checkin;
+
+public class LastCheckinInfo {
+    public long lastCheckin;
+    public long androidId;
+    public long securityToken;
+}

src/org/microg/gms/common/Build.java

@@ -17,7 +17,25 @@
 package org.microg.gms.common;
 
 public class Build {
-    public int sdk = android.os.Build.VERSION.SDK_INT;
-    public String id = android.os.Build.ID;
+    public String fingerprint = android.os.Build.FINGERPRINT;
+    public String hardware = android.os.Build.HARDWARE;
+    public String brand = android.os.Build.BRAND;
+    public String radio = getRadio();
+    public String bootloader = android.os.Build.BOOTLOADER;
+    public long time = android.os.Build.TIME;
     public String device = android.os.Build.DEVICE;
+    public int sdk = android.os.Build.VERSION.SDK_INT;
+    public String model = android.os.Build.MODEL;
+    public String manufacturer = android.os.Build.MANUFACTURER;
+    public String product = android.os.Build.PRODUCT;
+    public String id = android.os.Build.ID;
+
+    private static String getRadio() {
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
+            return android.os.Build.getRadioVersion();
+        } else {
+            //noinspection deprecation
+            return android.os.Build.RADIO;
+        }
+    }
 }

src/org/microg/gms/common/DeviceConfiguration.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2013-2015 µg Project Team
+ *
+ * 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 org.microg.gms.common;
+
+import java.util.List;
+
+public class DeviceConfiguration {
+    public List<String> availableFeatures;
+    public int densityDpi;
+    public int deviceClass;
+    public int glEsVersion;
+    public List<String> glExtensions;
+    public boolean hasFiveWayNavigation;
+    public boolean hasHardKeyboard;
+    public int heightPixels;
+    public int keyboardType;
+    public List<String> locales;
+    public List<String> nativePlatforms;
+    public int navigation;
+    public int screenLayout;
+    public List<String> sharedLibraries;
+    public int touchScreen;
+    public int widthPixels;
+}

src/org/microg/gms/common/DeviceIdentifier.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2013-2015 µg Project Team
+ *
+ * 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 org.microg.gms.common;
+
+public class DeviceIdentifier {
+    public String bluetoothMac;
+    public String wifiMac;
+    public String meid;
+    public String esn;
+}

src/org/microg/gms/common/PhoneInfo.java

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2013-2015 µg Project Team
+ *
+ * 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 org.microg.gms.common;
+
+public class PhoneInfo {
+    public String cellOperator;
+    public String roaming;
+    public String simOperator;
+}