admob 設定

admob 設定

public class MainActivity extends AppCompatActivity {

    private String T = "### MainActivity";

    private MySurfaceView3 mySurfaceView;

    @Override    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        mySurfaceView = new MySurfaceView3(this);

        RelativeLayout.LayoutParams rl = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.MATCH_PARENT);

        addContentView(mySurfaceView, rl);

        Google_admob();

        View view = findViewById(R.id.activity_main);

        view.bringToFront();

    }

    protected void Google_admob() {

        MobileAds.initialize(this, "ca-app-pub-3940256099942544~3347511713");

        ViewGroup viewGroup = findViewById(R.id.activity_main);

        RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);

        AdView adView = new AdView(this);

        adView.setAdSize(AdSize.BANNER);

        adView.setBackgroundColor(ContextCompat.getColor(this, R.color.colorAccent));

        layoutParams.addRule(RelativeLayout.CENTER_HORIZONTAL);

        layoutParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);

        adView.setLayoutParams(layoutParams);

        adView.setAdUnitId("ca-app-pub-3940256099942544/6300978111");

        AdRequest.Builder builder = new AdRequest.Builder();

        builder.addTestDevice("7026FA2EC1DC7E60FBEA02C64D33BD8B");

        builder.addTestDevice("53185CF5BFA5B2121DF7FA86E7064C22");

        AdRequest adRequest = builder.build();

        adView.loadAd(adRequest);

        viewGroup.addView(adView);

        adView.setAdListener(new AdListener() {

            @Override            public void onAdLoaded() {

                super.onAdLoaded();

                Log.i(T, "onAdLoaded");

            }

            @Override            public void onAdOpened() {

                super.onAdOpened();

                Log.i(T, "onAdOpened");

            }

            @Override            public void onAdLeftApplication() {

                super.onAdLeftApplication();

                Log.i(T, "onAdLeftApplication");

            }

            @Override            public void onAdClosed() {

                super.onAdClosed();

                Log.i(T, "onAdClosed");

            }

        });

    }

}

//

I / ### MainActivity: onAdLoaded

I / ### MainActivity: onAdOpened

I / ### MainActivity: onAdLeftApplication

I / ### MainActivity: onAdClosed

I / ### MainActivity: onAdLoaded

Java 練習

java 練習

import java.util.*;

class demo1 {
public static void main(String[] args) {
int x = 123456789;
StringBuffer b = new StringBuffer();
while (x != 0) {
int t = x % 10;
x = (x - t) / 10;
b.append(t + ",");
}
System.out.println(b);
}
}

//
C:\>java demo1
9,8,7,6,5,4,3,2,1,