Kosong

allprojects { repositories { jcenter() maven { url "https://maven.google.com" } } } { compile 'com.android.support:support-v4:25.1.0' compile 'com.google.android.gms:play-services-ads:11.6.2' compile 'com.android.support:multidex:1.0.1' compile 'com.android.support:appcompat-v7:26.1.0' compile files('libs/Shutterbug-1.0.0.jar') compile files('libs/httpclient-4.3.6.jar') compile files('libs/httpcore-4.3.3.jar') compile files('libs/httpmime-4.3.6.jar') } package name... import ... import com.google.android.gms.ads.MobileAds; // (a) public class MainActivity extends AppCompatActivity { ... protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // 5145041 MobileAds.initialize(this, "5145041"); (b) } ... } package ... import ... import com.google.android.gms.ads.AdRequest; import com.google.android.gms.ads.AdView; public class MainActivity extends AppCompatActivity { private AdView mAdView; protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); --> (A) MobileAds.initialize(this, "5145041"); mAdView = findViewById(R.id.adView); ---> (B) AdRequest adRequest = new AdRequest.Builder().build(); mAdView.loadAd(adRequest); } } ⇒ (A) script setContentView(R.layout.activity_main); kode tersebut sangat jelas bahwa class java akan diarahkan sepenuhnya ke layout - activity_main.xml ⇒ (B) script mAdView = findViewById(R.id.adView); kode tersebut akan terhubung dengan R.id.adView. Kode ini harus terpasang juga pada layout (android:id="@+id/adView")

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