query device adid for Facebook Ads Testing. contact me at https://xmanyou.com

getAdvertisingId.java

// https://xmanyou.com
// in app gradle file
android {
  // ...
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

dependencies {
  // ...
  // 获取adid
  implementation 'androidx.ads:ads-identifier:1.0.0-alpha01'
  // Used for the calls to addCallback() in the snippets on this page.
  implementation 'com.google.guava:guava:28.0-android'
}

// java code, in Main Activity
private void getADID(){
    AsyncTask<Void, Void, String> task = new AsyncTask<Void, Void, String>() {
        @Override
        protected String doInBackground(Void... params) {
            AdvertisingIdClient.Info idInfo = null;
            try {
                idInfo = AdvertisingIdClient.getAdvertisingIdInfo(getApplicationContext());
            } catch (GooglePlayServicesNotAvailableException e) {
                e.printStackTrace();
            } catch (GooglePlayServicesRepairableException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
            String advertId = null;
            try{
                advertId = idInfo.getId();
                Log.d("[Main]", "adid ===> " + advertId);
            }catch (NullPointerException e){
                e.printStackTrace();
            }

            return advertId;
        }

        @Override
        protected void onPostExecute(String advertId) {
            Toast.makeText(getApplicationContext(), advertId, Toast.LENGTH_SHORT).show();
        }

    };
    task.execute();
}