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我試圖從我的應用服務器向我的應用發送推送通知，但我沒有通過FirebaseInstanceIdService獲得FCM註冊令牌。在這裏，我使用Genymotion個人版emulator.is與我的模擬器API的問題？爲什麼不能獲取Android Firebase FCM註冊令牌？
這裏是FirebaseInstanceIdService
public class FcmInstanceIdService extends FirebaseInstanceIdService {
@Override
public void onTokenRefresh() {
String recent_token = FirebaseInstanceId.getInstance().getToken();
SharedPreferences sharedPreferences = getApplicationContext().getSharedPreferences(getString(R.string.FCM_PREF), Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sharedPreferences.edit();
editor.putString(getString(R.string.FCM_TOKEN),recent_token);
editor.commit();
}
} 這裏是MainActivity
public class MainActivity extends AppCompatActivity {
String url = "http://myurl.fcm_insert.php";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button bt = (Button) findViewById(R.id.button2);
bt.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
SharedPreferences sharedPreferences = getApplicationContext().getSharedPreferences(getString(R.string.FCM_PREF), Context.MODE_PRIVATE);
final String token = sharedPreferences.getString(getString(R.string.FCM_TOKEN),"");
StringRequest stringRequest = new StringRequest(Request.Method.POST, url, new Response.Listener<String>() {
@Override
public void onResponse(String response) {
Toast.makeText(MainActivity.this,"Success",Toast.LENGTH_SHORT).show();
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.d("Response",error.toString());
Toast.makeText(MainActivity.this,error.toString(),Toast.LENGTH_SHORT).show();
}
})
{
@Override
protected Map<String, String> getParams() throws AuthFailureError {
Map<String,String> params = new HashMap<String, String>();
params.put("token",token);
return params;
}
} ;
Singletone.getSingletone(MainActivity.this).addToRequest(stringRequest);
}
});
}
}
它只是發送默認值到服務器。