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已經試圖手動將示例從http://developer.android.com/training/location/activity-recognition.html移植到新的GoogleApiClient。意圖永遠不會使用新的GoogleApiClient觸發ActivityRecognition
不幸的是我有時只有1次從ActivityRecognition更新，大部分時間沒有更新。
作爲一個試圖找到問題，我把代碼煮成儘可能少的行。對於谷歌沒有檢查播放服務，並沒有任何錯誤處理：
@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();
}
的ActivityRecognitionIntentService具有從樣本的所有代碼，但增加了一個日誌的希望onHandleIntent開始看到「東西」發生。
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));
...
}
}
最後清單：
<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>
任何想法我在做什麼錯誤認識。
PendingIntent.getService(MainActivity.this, (int)Math.random(), i, PendingIntent.FLAG_UPDATE_CURRENT);
的意圖開始firering：