Android 使用新的GoogleApiClient ActivityRecognition永不激发意图
我一直在尝试将样本从手动移植到新的GoogleAppClient 不幸的是,我有时只从ActivityRecognition获得1次更新,大多数情况下没有 为了找出问题所在,我将代码简化为尽可能少的行。没有检查Google Play服务,也没有错误处理:Android 使用新的GoogleApiClient ActivityRecognition永不激发意图,android,android-intent,google-play-services,Android,Android Intent,Google Play Services,我一直在尝试将样本从手动移植到新的GoogleAppClient 不幸的是,我有时只从ActivityRecognition获得1次更新,大多数情况下没有 为了找出问题所在,我将代码简化为尽可能少的行。没有检查Google Play服务,也没有错误处理: @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Set the main l
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Set the main layout
setContentView(R.layout.activity_main);
mGoogleApiClient = new GoogleApiClient.Builder(this)
.addApi(ActivityRecognition.API)
.addConnectionCallbacks(new GoogleApiClient.ConnectionCallbacks() {
@Override
public void onConnected(Bundle bundle) {
Log.d("ActivityRecognition", "Google Play Services connected");
Intent i = new Intent(MainActivity.this, ActivityRecognitionIntentService.class);
PendingIntent mActivityRecognitionPendingIntent = PendingIntent.getService(MainActivity.this, 0, i, PendingIntent.FLAG_UPDATE_CURRENT);
ActivityRecognition.ActivityRecognitionApi.
requestActivityUpdates(mGoogleApiClient, 1000, mActivityRecognitionPendingIntent);
}
@Override
public void onConnectionSuspended(int i) {
}
})
.build();
mGoogleApiClient.connect();
}
ActivityRecognitionIntentService包含示例中的所有代码,但在onHandleIntent
的开头添加了一个日志,希望看到“某些事情”发生
public class ActivityRecognitionIntentService extends IntentService {
...
/**
* Called when a new activity detection update is available.
*/
@Override
protected void onHandleIntent(Intent intent) {
Log.d("ActivityRecognitionIntentService", "onHandleIntent " + ActivityRecognitionResult.hasResult(intent));
...
}
}
最后是舱单:
<uses-sdk android:minSdkVersion="19" android:targetSdkVersion="21" />
<uses-permission android:name="com.google.android.gms.permission.ACTIVITY_RECOGNITION"/>
<application android:label="@string/app_name"
android:icon="@drawable/ic_launcher"
android:theme="@style/Theme.Sample">
<activity android:name=".MainActivity"
android:label="@string/app_name"
android:uiOptions="splitActionBarWhenNarrow" android:description="@string/app_description">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service android:name=".ActivityRecognitionIntentService"></service>
</application>
</manifest>
任何关于我做错了什么的想法都是值得赞赏的。似乎问题与吊挂帐篷的建造有关
PendingIntent.getService(MainActivity.this, 0, i, PendingIntent.FLAG_UPDATE_CURRENT);
如果我将代码更改为:
PendingIntent.getService(MainActivity.this, (int)Math.random(), i, PendingIntent.FLAG_UPDATE_CURRENT);
意图开始开火
关于第二个参数,请参阅getService()的文档:
requestCode发件人的专用请求代码
因此,没有明显的理由表明该参数会对意图是否被激发产生任何影响。添加
Math.Random
并不能解决我的问题
在我的例子中,我忘记将服务
添加到AndroidManifest
。
见: