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私はandroid wearとandroid phone appを持っています。私はそれらを接続させようとしており、最終的に時計から電話にメッセージを送信します。Android Wearデバイスがノード（電話）を検出していませんDataApi
public class MainActivity extends WearableActivity {
public static final String TAG = "WatchApp";
public GoogleApiClient mApiClient;
public static final int CONNECTION_TIME_OUT_MS = 1000;
public static String nodeId;
private static final String AIR_LIFT_CAPABILITY = "airlift";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initApi();
final Button btnUp = (Button)findViewById(R.id.btnUp);
btnUp.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String text = "Preset";
//mAdapter.add(text);
//mAdapter.notifyDataSetChanged();
sendMessage(text);
Log.i("WatchApp", "btnUp Sent Preset");
}
});
Button btnDown = (Button)findViewById(R.id.btnDown);
btnDown.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String text = "AirOut";
//mAdapter.add(text);
//mAdapter.notifyDataSetChanged();
sendMessage(text);
Log.i("WatchApp", "btnUp Sent AirOut");
}
});
// Enables Always-on
setAmbientEnabled();
}
private void initApi() {
mApiClient = getGoogleApiClient(this);
setOrUpdateNotification();
Log.i("WatchApp", "initApi()");
}
private GoogleApiClient getGoogleApiClient(Context context) {
return new GoogleApiClient.Builder(context)
.addApi(Wearable.API)
.build();
}
private void setOrUpdateNotification() {
new Thread(new Runnable() {
@Override
public void run() {
CapabilityApi.GetCapabilityResult result =
Wearable.CapabilityApi.getCapability(
mApiClient, AIR_LIFT_CAPABILITY,
CapabilityApi.FILTER_REACHABLE).await(1000, TimeUnit.MILLISECONDS);
updateFindMeCapability(result.getCapability());
CapabilityApi.CapabilityListener capabilityListener =
new CapabilityApi.CapabilityListener() {
@Override
public void onCapabilityChanged(CapabilityInfo capabilityInfo) {
updateFindMeCapability(capabilityInfo);
}
};
// Wearable.CapabilityApi.addCapabilityListener(mApiClient, capabilityListener, AIR_LIFT_CAPABILITY);
}
}).start();
}
private void updateFindMeCapability(CapabilityInfo capabilityInfo) {
if (capabilityInfo.getNodes() == null) return;
Set<Node> connectedNodes = capabilityInfo.getNodes();
if (connectedNodes.isEmpty()) {
Log.i(TAG,"No Nodes Found.");
} else {
for (Node node : connectedNodes) {
// we are only considering those nodes that are directly connected
if (node.isNearby()) {
Log.i(TAG,"FOUND NODE");
nodeId = node.getId();
}
}
}
}
private void sendMessage(final String MESSAGE) {
if (nodeId != null) {
new Thread(new Runnable() {
@Override
public void run() {
mApiClient.blockingConnect(CONNECTION_TIME_OUT_MS, TimeUnit.MILLISECONDS);
Wearable.MessageApi.sendMessage(mApiClient, nodeId, MESSAGE, null);
mApiClient.disconnect();
Log.i("WatchApp", "Message ("+MESSAGE+") sent");
}
}).start();
} else {
Log.i("WatchApp", "No Nodes to send message!");
}
}
@Override
protected void onDestroy() {
super.onDestroy();
mApiClient.disconnect();
mApiClient = null;
Log.i("WatchApp", "onDestroy()");
}
}着用AndroidManifest：
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.schoen.jonathan.airliftwatch">
<uses-feature android:name="android.hardware.type.watch" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@android:style/Theme.DeviceDefault">
<uses-library
android:name="com.google.android.wearable"
android:required="true" />
<meta-data android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
<activity
android:name="com.schoen.jonathan.airliftwatch.MainActivity"
android:label="@string/app_name">
<intent-filter>
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>電話MainActivity：
public class MainActivity extends Activity {
boolean mBound = false;
public static final String TAG = "PhoneApp";
public ListenerService listener;
public GoogleApiClient client;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button btnStart = (Button)findViewById(R.id.btnStart);
Button btnStop = (Button)findViewById(R.id.btnStop);
Log.i("PhoneApp", "onCreate() Receiver Registered ");
btnStart.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Log.i("PhoneApp", "btnStart Receiver Registered");
}
});
btnStop.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Log.i("PhoneApp", "btnStop Receiver unRegistered");
}
});
registerListener();
}
public void registerListener() {
client = new GoogleApiClient.Builder(this)
.addApi(Wearable.API)
.build();
listener = new ListenerService();
Wearable.MessageApi.addListener(client ,listener);
Log.i("PhoneApp", "registerListener() Listener Registered ");
}
@Override
protected void onStart() {
super.onStart();
registerListener();
Log.i("PhoneApp", "onStart() Listener Registered ");
}
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
registerListener();
Log.i("PhoneApp", "onResume() Listener Registered ");
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
//unregister our receiver
if (client != null && listener != null)
Wearable.MessageApi.removeListener(client, listener);
client = null;
listener = null;
Log.i("PhoneApp", "onPause() Listener Unregistered ");
}
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
//unregister our receiver
if (client != null && listener != null)
Wearable.MessageApi.removeListener(client, listener);
client = null;
listener = null;
Log.i("PhoneApp", "onPause() Listener Unregistered ");
}
}電話・リスナー・サービス：
public class ListenerService extends WearableListenerService {
String nodeId;
@Override
public void onMessageReceived(MessageEvent messageEvent) {
nodeId = messageEvent.getSourceNodeId();
Log.i(MainActivity.TAG, messageEvent.getPath());
showToast(messageEvent.getPath());
String msg_for_me = messageEvent.getPath();
if (msg_for_me == "AirOut")
{
Log.i(MainActivity.TAG, "Air Out");
} else if (msg_for_me == "Preset")
{
Log.i(MainActivity.TAG, "Preset");
}
}
private void showToast(String message) {
Toast.makeText(this, message, Toast.LENGTH_LONG).show();
}
}電話Androidのマニフェスト：
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.schoen.jonathan.airliftwatch">
<uses-permission android:name="android.permission.WAKE_LOCK" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<meta-data android:name="com.google.android.gms.version" android:value="@integer/google_play_services_version" />
<service
android:name="com.schoen.jonathan.airliftwatch.ListenerService" >
<intent-filter>
<action android:name="com.google.android.gms.wearable.BIND_LISTENER" />
</intent-filter>
</service>
<meta-data android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
<activity
android:name=".MainActivity"
android:label="@string/app_name"
android:theme="@style/AppTheme.NoActionBar">
<intent-filter>
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>電話wear.xml：
<resources>
<string-array name="android_wear_capabilities">
<item>airlift</item>
</string-array>
</resources>すべてのアイデアは、私が戻ったノードの場合はnull結果を得るなぜ？私の電話と腕時計は現在ペアになっており、私はFacebookやEメールのようなものから私の電話から私の時計の更新を取得します。