我正在按照 Google 教程在 Android 上安装推送通知。我正在使用Google Play 服务模块,因为 Google Cloud Messaging 最近已弃用。
教程:Google 云消息传递 - Google Play 服务
但是当我启动应用程序时,我遇到了这个错误:
11-06 13:37:30.119 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1821 (common_google_play_services_unknown_issue) in Lcom/google/android/gms/R$string;
11-06 13:37:30.119 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1821 (common_google_play_services_unknown_issue) in Lcom/google/android/gms/R$string;
11-06 13:37:30.119 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1816 (common_google_play_services_install_title) in Lcom/google/android/gms/R$string;
11-06 13:37:30.119 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1812 (common_google_play_services_enable_title) in Lcom/google/android/gms/R$string;
11-06 13:37:30.119 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1826 (common_google_play_services_update_title) in Lcom/google/android/gms/R$string;
11-06 13:37:30.119 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1823 (common_google_play_services_unsupported_title) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1820 (common_google_play_services_network_error_title) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1821 (common_google_play_services_unknown_issue) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1821 (common_google_play_services_unknown_issue) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1818 (common_google_play_services_invalid_account_title) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1821 (common_google_play_services_unknown_issue) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1813 (common_google_play_services_install_button) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1810 (common_google_play_services_enable_button) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1824 (common_google_play_services_update_button) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1821 (common_google_play_services_unknown_issue) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1815 (common_google_play_services_install_text_tablet) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1814 (common_google_play_services_install_text_phone) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1811 (common_google_play_services_enable_text) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1825 (common_google_play_services_update_text) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1822 (common_google_play_services_unsupported_text) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1819 (common_google_play_services_network_error_text) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1817 (common_google_play_services_invalid_account_text) in Lcom/google/android/gms/R$string;
11-06 13:37:30.129 20097-20097/com.thedjnivek.android.emarchespublics W/dalvikvm﹕ VFY: unable to resolve static field 1821 (common_google_play_services_unknown_issue) in Lcom/google/android/gms/R$string;
11-06 13:37:30.139 20097-20097/com.thedjnivek.android.emarchespublics E/GooglePlayServicesUtil﹕ The Google Play services resources were not found. Check your project configuration to ensure that the resources are included.
11-06 13:37:30.220 20097-20097/com.thedjnivek.android.emarchespublics E/GooglePlayServicesUtil﹕ The Google Play services resources were not found. Check your project configuration to ensure that the resources are included.
你可以在这里看到我的源代码
//basic import ...
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesUtil;
import com.google.android.gms.gcm.GoogleCloudMessaging;
public class AppMainTabActivity extends FragmentActivity {
public static final String EXTRA_MESSAGE = "message";
public static final String PROPERTY_REG_ID = "registration_id";
private static final String PROPERTY_APP_VERSION = "appVersion";
private final static int PLAY_SERVICES_RESOLUTION_REQUEST = 9000;
/**
* Substitute you own sender ID here. This is the project number you got
* from the API Console, as described in "Getting Started."
*/
String SENDER_ID = "7984****78";
/**
* Tag used on log messages.
*/
static final String TAG = "GCMDemo";
TextView mDisplay;
GoogleCloudMessaging gcm;
AtomicInteger msgId = new AtomicInteger();
SharedPreferences prefs;
Context context;
String regid;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
context = getApplicationContext();
// Check device for Play Services APK. If check succeeds, proceed with
// GCM registration.
if (checkPlayServices()) {
gcm = GoogleCloudMessaging.getInstance(this);
regid = getRegistrationId(context);
if (regid.isEmpty()) {
registerInBackground();
}
} else {
Log.i(TAG, "No valid Google Play Services APK found.");
}
}
// You need to do the Play Services APK check here too.
@Override
protected void onResume() {
super.onResume();
checkPlayServices();
}
/**
* Check the device to make sure it has the Google Play Services APK. If
* it doesn't, display a dialog that allows users to download the APK from
* the Google Play Store or enable it in the device's system settings.
*/
private boolean checkPlayServices() {
int resultCode = GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);
if (resultCode != ConnectionResult.SUCCESS) {
if (GooglePlayServicesUtil.isUserRecoverableError(resultCode)) {
GooglePlayServicesUtil.getErrorDialog(resultCode, this,
PLAY_SERVICES_RESOLUTION_REQUEST).show();
} else {
Log.i(TAG, "This device is not supported.");
finish();
}
return false;
}
return true;
}
/**
* Gets the current registration ID for application on GCM service.
* <p>
* If result is empty, the app needs to register.
*
* @return registration ID, or empty string if there is no existing
* registration ID.
*/
private String getRegistrationId(Context context) {
final SharedPreferences prefs = getGCMPreferences(context);
String registrationId = prefs.getString(PROPERTY_REG_ID, "");
if (registrationId.isEmpty()) {
Log.i(TAG, "Registration not found.");
return "";
}
// Check if app was updated; if so, it must clear the registration ID
// since the existing regID is not guaranteed to work with the new
// app version.
int registeredVersion = prefs.getInt(PROPERTY_APP_VERSION, Integer.MIN_VALUE);
int currentVersion = getAppVersion(context);
if (registeredVersion != currentVersion) {
Log.i(TAG, "App version changed.");
return "";
}
return registrationId;
}
/**
* @return Application's {@code SharedPreferences}.
*/
private SharedPreferences getGCMPreferences(Context context) {
// This sample app persists the registration ID in shared preferences, but
// how you store the regID in your app is up to you.
return getSharedPreferences(AppMainTabActivity.class.getSimpleName(),
Context.MODE_PRIVATE);
}
/**
* @return Application's version code from the {@code PackageManager}.
*/
private static int getAppVersion(Context context) {
try {
PackageInfo packageInfo = context.getPackageManager()
.getPackageInfo(context.getPackageName(), 0);
return packageInfo.versionCode;
} catch (PackageManager.NameNotFoundException e) {
// should never happen
throw new RuntimeException("Could not get package name: " + e);
}
}
/**
* Registers the application with GCM servers asynchronously.
* <p>
* Stores the registration ID and app versionCode in the application's
* shared preferences.
*/
private void registerInBackground() {
new AsyncTask() {
@Override
protected Object doInBackground(Object[] objects) {
String msg = "";
try {
if (gcm == null) {
gcm = GoogleCloudMessaging.getInstance(context);
}
regid = gcm.register(SENDER_ID);
msg = "Device registered, registration ID=" + regid;
// You should send the registration ID to your server over HTTP,
// so it can use GCM/HTTP or CCS to send messages to your app.
// The request to your server should be authenticated if your app
// is using accounts.
sendRegistrationIdToBackend();
// For this demo: we don't need to send it because the device
// will send upstream messages to a server that echo back the
// message using the 'from' address in the message.
// Persist the regID - no need to register again.
storeRegistrationId(context, regid);
} catch (IOException ex) {
msg = "Error :" + ex.getMessage();
// If there is an error, don't just keep trying to register.
// Require the user to click a button again, or perform
// exponential back-off.
}
return msg;
}
@Override
protected void onPostExecute(Object o) {
mDisplay.append(o + "\n");
Logger.logit("onPostExecute","o");
}
}.execute(null, null, null);
}
/**
* Sends the registration ID to your server over HTTP, so it can use GCM/HTTP
* or CCS to send messages to your app. Not needed for this demo since the
* device sends upstream messages to a server that echoes back the message
* using the 'from' address in the message.
*/
private void sendRegistrationIdToBackend() {
// Your implementation here.
PushNotification.register(OpenUDID.value(this), regid, new AsyncHRHandler(this, true) {
@Override
public void onSuccess(String s) {
super.onSuccess(s);
}
});
}
/**
* Stores the registration ID and app versionCode in the application's
* {@code SharedPreferences}.
*
* @param context application's context.
* @param regId registration ID
*/
private void storeRegistrationId(Context context, String regId) {
final SharedPreferences prefs = getGCMPreferences(context);
int appVersion = getAppVersion(context);
Log.i(TAG, "Saving regId on app version " + appVersion);
SharedPreferences.Editor editor = prefs.edit();
editor.putString(PROPERTY_REG_ID, regId);
editor.putInt(PROPERTY_APP_VERSION, appVersion);
editor.commit();
}
}
然而,谷歌播放服务已被添加。
在我的模块设置上
AndroidManifest.xml
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="16"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<!-- For notification push -->
<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE"/>
<uses-permission android:name="android.permission.GET_ACCOUNTS"/>
<uses-permission android:name="android.permission.WAKE_LOCK"/>
<permission android:name="com.thedjnivek.android.emarchespublics.permission.C2D_MESSAGE"
android:protectionLevel="signature" />
<uses-permission android:name="com.thedjnivek.android.emarchespublics.permission.C2D_MESSAGE" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme">
<receiver
android:name=".GcmBroadcastReceiver"
android:permission="com.google.android.c2dm.permission.SEND" >
<intent-filter>
<action android:name="com.google.android.c2dm.intent.RECEIVE" />
<category android:name="com.thedjnivek.android.emarchespublics" />
</intent-filter>
</receiver>
<service android:name=".GcmIntentService" />
<activity
android:name=".fragmentmodule.AppMainTabActivity"
android:label="@string/app_name"
android:windowSoftInputMode="adjustResize|stateVisible">
<intent-filter >
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".activity.PDFActivity"
android:label="activity_pdf"/>
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="AIza**************mGE4Mq88"/>
</application>
构建.gradle
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:0.6.+'
}
}
apply plugin: 'android'
dependencies {
compile fileTree(dir: 'libs', include: '*.jar')
compile: "com.google.android.gms:play-services:3.+"
}
android {
compileSdkVersion 17
buildToolsVersion "17.0.0"
defaultConfig {
minSdkVersion 8
targetSdkVersion 16
}
}
我不知道问题出在哪里。有人帮不了我吗?非常感谢 !