未显示Google Admob测试广告（未在Android设备上显示广告）

Question

我已经在布局XML文件中添加了admob AdView，并且可以在android studio的设计部分中看到测试广告，但是在运行项目后，该广告不会显示在设备上。

我已经初始化了广告并将其加载到Java活动文件中，但是测试广告仍然没有显示。

这是我的代码和logcat。

activity_image.xml

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:aapt="http://schemas.android.com/aapt"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_gravity="center"
    android:background="@android:color/black"
    android:gravity="center">

    <com.google.android.gms.ads.AdView
        xmlns:ads="http://schemas.android.com/apk/res-auto"
        android:id="@+id/adView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        ads:adSize="BANNER"
        android:layout_alignParentTop="true"
        ads:adUnitId="ca-app-pub-3940256099942544/6300978111">
    </com.google.android.gms.ads.AdView>

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@id/adView"
        android:layout_marginTop="20dp"
        android:layout_centerVertical="true" />

    <LinearLayout
        android:id="@+id/main"
        android:layout_width="match_parent"
        android:layout_alignParentBottom="true"
        android:layout_height="wrap_content"
        android:alpha="0.9"
        android:background="@android:color/darker_gray">

        <LinearLayout
            android:id="@+id/btn_share"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignParentBottom="true"
            android:layout_weight="1"
            android:background="@android:color/darker_gray"
            android:gravity="center"
            android:paddingLeft="30dp"
            android:paddingTop="10dp"
            android:paddingRight="30dp"
            android:paddingBottom="10dp">

            <ImageButton
                android:id="@+id/img_btn_share"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="@drawable/ic_share_black" />
        </LinearLayout>

        <LinearLayout
            android:id="@+id/btn_re_post"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignParentBottom="true"
            android:layout_weight="1"
            android:background="@android:color/darker_gray"
            android:gravity="center"
            android:paddingLeft="30dp"
            android:paddingTop="10dp"
            android:paddingRight="30dp"
            android:paddingBottom="10dp">

            <ImageButton
                android:id="@+id/img_re_post"
                android:layout_width="25dp"
                android:layout_height="25dp"
                android:background="@drawable/whatsapp_logo" />
        </LinearLayout>

        <LinearLayout
            android:id="@+id/btn_delete"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignParentBottom="true"
            android:layout_weight="1"
            android:background="@android:color/darker_gray"
            android:gravity="center"
            android:paddingLeft="30dp"
            android:paddingTop="10dp"
            android:paddingRight="30dp"
            android:paddingBottom="10dp"
            android:visibility="gone">

            <ImageButton
                android:id="@+id/img_btn_delete"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="@drawable/ic_action_delete" />
        </LinearLayout>

        <LinearLayout
            android:id="@+id/btn_download"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignParentBottom="true"
            android:layout_weight="1"
            android:background="@android:color/darker_gray"
            android:gravity="center"
            android:paddingLeft="30dp"
            android:paddingTop="10dp"
            android:paddingRight="30dp"
            android:paddingBottom="10dp"
            android:visibility="gone">

            <ImageButton
                android:id="@+id/img_btn_download"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="@drawable/ic_action_download" />
        </LinearLayout>

    </LinearLayout>

</RelativeLayout>

ImageViewerAcitviy.java：

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.FragmentActivity;

import com.example.whatsappstatussaver.R;
import com.example.whatsappstatussaver.utils.Config;
//import com.example.whatsappstatussaver.utils.Observer;
//import com.example.whatsappstatussaver.utils.Subject;
import com.bumptech.glide.Glide;
import com.google.android.gms.ads.AdListener;
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.AdView;
import com.google.android.gms.ads.InterstitialAd;
import com.google.android.gms.ads.MobileAds;
import com.google.android.gms.ads.initialization.InitializationStatus;
import com.google.android.gms.ads.initialization.OnInitializationCompleteListener;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;
import java.util.ArrayList;
import java.util.List;


public class ImageViewerActivity extends AppCompatActivity {
    private final String TAG = "ImageViewer";
    String atype = "";
    public LinearLayout btn_download;
    public LinearLayout btn_re_post;
    public LinearLayout btn_share;
    public int count = 6;
    DrawerActivity drawer = new DrawerActivity();
    ImageView imageView;
    String image_path = "";
    public ImageButton img_btn_download;
    public ImageButton img_btn_share;
    public ImageButton img_re_post;
    String listenerValue = "";
//    public List<Observer> observers;
    String package_name = "";
    String path = "";
    String type = "";
    AdView mAdView;

    /* access modifiers changed from: protected */
    public void onCreate(Bundle bundle) {
        super.onCreate(bundle);
        setContentView((int) R.layout.activity_image);

        MobileAds.initialize(this, new OnInitializationCompleteListener() {
            @Override
            public void onInitializationComplete(InitializationStatus initializationStatus) {
            }
        });

         mAdView = findViewById(R.id.adView);
        AdRequest adRequest = new AdRequest.Builder().build();
        mAdView.loadAd(adRequest);


        this.imageView = (ImageView) findViewById(R.id.imageView);
//        this.observers = new ArrayList();
        Intent intent = getIntent();
        if (intent != null) {
            this.image_path = intent.getStringExtra("image");
            this.type = intent.getStringExtra("type");
            this.atype = intent.getStringExtra("atype");
            if (this.image_path != null) {
                Glide.with((FragmentActivity) this).load(this.image_path).into(this.imageView);
            }
        }
        if (this.type.equals("0")) {
            this.path = Config.WhatsAppSaveStatus;
            this.package_name = "com.whatsapp";
            Log.i("WhatsAppSaveStatus", this.path);
        } else if (this.type.equals("1")) {
            this.path = Config.GBWhatsAppSaveStatus;
            this.package_name = "com.gbwhatsapp";
            Log.i("GBWhatsAppSaveStatus", this.path);
        } else if (this.type.equals("2")) {
            this.path = Config.WhatsAppBusinessSaveStatus;
            this.package_name = "com.whatsapp.w4b";
            Log.i("WhatsAppBusinessSave", this.path);
        }
        this.btn_download = (LinearLayout) findViewById(R.id.btn_download);
        this.btn_download.setOnClickListener(new View.OnClickListener() {
            public void onClick(View view) {
                ImageViewerActivity.this.copyFileOrDirectory(ImageViewerActivity.this.image_path, ImageViewerActivity.this.path);
                ImageViewerActivity.this.sharePerAds();

            }
        });
        this.img_btn_download = (ImageButton) findViewById(R.id.img_btn_download);
        this.img_btn_download.setOnClickListener(new View.OnClickListener() {
            public void onClick(View view) {
                ImageViewerActivity.this.copyFileOrDirectory(ImageViewerActivity.this.image_path, ImageViewerActivity.this.path);
                ImageViewerActivity.this.sharePerAds();

            }
        });
        this.btn_share = (LinearLayout) findViewById(R.id.btn_share);
        this.btn_share.setOnClickListener(new View.OnClickListener() {
            public void onClick(View view) {
                if (ImageViewerActivity.this.image_path.endsWith(".jpg")) {
                    ImageViewerActivity.this.shareVia("image/jpg", ImageViewerActivity.this.image_path);
                } else if (ImageViewerActivity.this.image_path.endsWith(".mp4")) {
                    ImageViewerActivity.this.shareVia("video/mp4", ImageViewerActivity.this.image_path);
                }
                ImageViewerActivity.this.sharePerAds();
            }
        });
        this.img_btn_share = (ImageButton) findViewById(R.id.img_btn_share);
        this.img_btn_share.setOnClickListener(new View.OnClickListener() {
            public void onClick(View view) {
                if (ImageViewerActivity.this.image_path.endsWith(".jpg")) {
                    ImageViewerActivity.this.shareVia("image/jpg", ImageViewerActivity.this.image_path);
                } else if (ImageViewerActivity.this.image_path.endsWith(".mp4")) {
                    ImageViewerActivity.this.shareVia("video/mp4", ImageViewerActivity.this.image_path);
                }
                ImageViewerActivity.this.sharePerAds();
            }
        });
        this.btn_re_post = (LinearLayout) findViewById(R.id.btn_re_post);
        this.btn_re_post.setOnClickListener(new View.OnClickListener() {
            public void onClick(View view) {
                if (ImageViewerActivity.this.image_path.endsWith(".jpg")) {
                    ImageViewerActivity.this.shareViaWhatsApp("image/jpg", ImageViewerActivity.this.image_path, ImageViewerActivity.this.package_name);
                } else if (ImageViewerActivity.this.image_path.endsWith(".mp4")) {
                    ImageViewerActivity.this.shareViaWhatsApp("video/mp4", ImageViewerActivity.this.image_path, ImageViewerActivity.this.package_name);
                }
                ImageViewerActivity.this.sharePerAds();
            }
        });
        this.img_re_post = (ImageButton) findViewById(R.id.img_re_post);
        this.img_re_post.setOnClickListener(new View.OnClickListener() {
            public void onClick(View view) {
                if (ImageViewerActivity.this.image_path.endsWith(".jpg")) {
                    ImageViewerActivity.this.shareViaWhatsApp("image/jpg", ImageViewerActivity.this.image_path, ImageViewerActivity.this.package_name);
                } else if (ImageViewerActivity.this.image_path.endsWith(".mp4")) {
                    ImageViewerActivity.this.shareViaWhatsApp("video/mp4", ImageViewerActivity.this.image_path, ImageViewerActivity.this.package_name);
                }
                ImageViewerActivity.this.sharePerAds();
            }
        });
        if (this.atype.equals("0")) {
            this.btn_download.setVisibility(View.GONE);
        } else if (this.atype.equals("1")) {
            this.btn_download.setVisibility(View.VISIBLE);
        }
        sharePerAds();
    }

    public void copyFileOrDirectory(String str, String str2) {
        try {
            File file = new File(str);
            File file2 = new File(str2, file.getName());
            if (file.isDirectory()) {
                for (String file3 : file.list()) {
                    copyFileOrDirectory(new File(file, file3).getPath(), file2.getPath());
                }
                return;
            }
            copyFile(file, file2);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public void onDestroy() {
        if (this.mAdView != null) {
            this.mAdView.destroy();
        }

        super.onDestroy();
    }

    public void copyFile(File sourceFile, File destFile) throws IOException {
        if (!destFile.getParentFile().exists())
            destFile.getParentFile().mkdirs();

        if (!destFile.exists()) {
            destFile.createNewFile();
        }

        FileChannel source = null;
        FileChannel destination = null;

        try {
            source = new FileInputStream(sourceFile).getChannel();
            destination = new FileOutputStream(destFile).getChannel();
            destination.transferFrom(source, 0, source.size());
            Toast.makeText(getApplicationContext(), "Picture Saved", Toast.LENGTH_SHORT).show();
        } finally {
            if (source != null) {
                source.close();
            }
            if (destination != null) {
                destination.close();
            }
        }
    }


    public void shareVia(String str, String str2) {
        Intent intent = new Intent("android.intent.action.SEND");
        intent.setType(str);
        intent.putExtra("android.intent.extra.STREAM", Uri.fromFile(new File(str2)));
        startActivity(Intent.createChooser(intent, "Share via"));
    }

    public void shareViaWhatsApp(String str, String str2, String str3) {
        try {
            getPackageManager().getPackageInfo(str3, PackageManager.GET_META_DATA);
            Intent intent = new Intent("android.intent.action.SEND");
            intent.setType(str);
            intent.putExtra("android.intent.extra.STREAM", Uri.fromFile(new File(str2)));
            intent.setPackage(str3);
            startActivity(Intent.createChooser(intent, "Share via"));
        } catch (PackageManager.NameNotFoundException unused) {
            Toast.makeText(this, "WhatsApp not Installed", Toast.LENGTH_SHORT).show();
        }
    }

    public void allSharedPreference(int i) {
        SharedPreferences.Editor edit = getSharedPreferences("PREFRENCE", 0).edit();
        edit.putString("ALL", String.valueOf(i));
        edit.commit();
    }

    public void sharePerAds() {
        int i = 1;
        if (Config.getALLState(this).length() > 0) {
            i = Integer.parseInt(Config.getALLState(this));
            if (i > this.count) {
                allSharedPreference(0);
            } else {
                i++;
                allSharedPreference(i);
            }
        } else {
            allSharedPreference(1);
        }
    }
}

Manifest.xml：

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.whatsappstatussaver">
    <!-- <uses-sdk -->
    <!-- android:minSdkVersion="16" -->
    <!-- android:targetSdkVersion="30" /> -->
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <application
        android:name=".utils.Application"
        android:allowBackup="true"
        android:hardwareAccelerated="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".activity.AdDemo"></activity>
        <!-- android:requestLegacyExternalStorage="true" -->
        <activity
            android:name=".activity.ImageViewerActivity"
            android:theme="@style/AppTheme.NoActionBar">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <meta-data
            android:name="com.google.android.gms.ads.APPLICATION_ID"
            android:value="ca-app-pub-3940256099942544~3347511713" />
    </application>

</manifest>

buildgradle（应用程序）：

apply plugin: 'com.android.application'
//apply plugin: 'com.google.gms.google-services'

android {
    compileSdkVersion 28
    buildToolsVersion "28.0.3"

    defaultConfig {
        applicationId "com.example.whatsappstatussaver"
        minSdkVersion 16
        targetSdkVersion 28
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }

}

configurations {
    all*.exclude group: 'com.google.firebase', module: 'firebase-common'
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])

    implementation 'com.github.bumptech.glide:glide:4.11.0'
//    implementation 'com.google.firebase:firebase-ads:19.0.1'
    annotationProcessor 'com.github.bumptech.glide:compiler:4.11.0'
    implementation 'com.google.android.material:material:1.0.0'
    implementation 'org.jsoup:jsoup:1.11.3'

    implementation 'com.google.android.gms:play-services-ads:19.3.0'


    implementation 'androidx.appcompat:appcompat:1.2.0'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
}

Logcat：

com.example.whatsappstatussaver, 1402, 
    batch {
      bundle {
        protocol_version: 1
        platform: android
        gmp_version: 31028
        uploading_gmp_version: 203019
        dynamite_version: 16
        config_version: -1
        gmp_app_id: 
        admob_app_id: ca-app-pub-3940256099942544~3347511713
        app_id: com.example.whatsappstatussaver
        app_version: 1.0
        app_version_major: 1
        firebase_instance_id: 
        dev_cert_hash: 4629537210627045213
        app_store: pc
        upload_timestamp_millis: 1598703946747
        start_timestamp_millis: 1598703934340
        end_timestamp_millis: 1598703934340
        app_instance_id: ce7f10ffa66ccd0e4b9e7b90abe45d83
        resettable_device_id: 1c1944ae-94b5-4a65-8f96-63a1db9cf843
        device_id: 
        ds_id: 
        limited_ad_tracking: false
        os_version: 9
        device_model: RMX1805
        user_default_language: en-us
        time_zone_offset_minutes: 330
        bundle_sequential_index: 1
        service_upload: true
        health_monitor: 
        user_property {
          set_timestamp_millis: 1598703934340
          name: first_open_time(_fot)
          string_value: 
          int_value: 1598706000000
        }
        user_property {
          set_timestamp_millis: 1598703934340
          name: first_open_after_install(_fi)
          string_value: 
          int_value: 1
        }
        user_property {
          set_timestamp_millis: 1598703946752
          name: lifetime_user_engagement(_lte)
          string_value: 
          int_value: 1
        }
        event {
          name: first_open(_f)
          timestamp_millis: 1598703934340
          previous_timestamp_millis: 0
          param {
            name: ga_conversion(_c)
            int_value: 1
          }
          param {
            name: ga_event_origin(_o)
            string_value: auto
          }
          param {
            name: _r
            int_value: 1
          }
          param {
            name: engagement_time_msec(_et)
            int_value: 1
          }
          param {
            name: previous_first_open_count(_pfo)
            int_value: 13
          }
          param {
            name: system_app(_sys)
            int_value: 0
          }
          param {
            name: update_with_analytics(_uwa)
            int_value: 0
          }
          param {
            name: system_app_update(_sysu)
            int_value: 0
          }
        }
        event {
          name: user_engagement(_e)
          timestamp_millis: 1598703934340
          previous_timestamp_millis: 0
          param {
            name: ga_event_origin(_o)
            string_value: auto
          }
          param {
            name: engagement_time_msec(_et)
            int_value: 1
          }
          param {
            name: _fr
            int_value: 1
          }
        }
      }
      bundle {
        protocol_version: 1
        platform: android
        gmp_version: 31028
        uploading_gmp_version: 203019
        dynamite_version: 16
        config_version: -1
        gmp_app_id: 
        admob_app_id: ca-app-pub-3940256099942544~3347511713
        app_id: com.example.whatsappstatussaver
        app_version: 1.0
        app_version_major: 1
        firebase_instance_id: 
        dev_cert_hash: 4629537210627045213
        app_store: pc
        upload_timestamp_millis: 1598703946747
        start_timestamp_millis: 1598703936107
        end_timestamp_millis: 1598703946339
        previous_bundle_start_timestamp_millis: 1598703934340
        previous_bundle_end_timestamp_millis: 1598703934340
        app_instance_id: ce7f10ffa66ccd0e4b9e7b90abe45d83
        resettable_device_id: 1c1944ae-94b5-4a65-8f96-63a1db9cf843
        device_id: 
        ds_id: 
        limited_ad_tracking: false
        os_version: 9
        device_model: RMX1805
        user_default_language: en-us
        time_zone_offset_minutes: 330
        bundle_sequential_index: 2
        service_upload: true
        health_monitor: 
        user_property {
          set_timestamp_millis: 1598703934340
          name: first_open_time(_fot)
          string_value: 
          int_value: 1598706000000
        }
        user_property {
          set_timestamp_millis: 1598703934340
          name: first_open_after_install(_fi)
          string_value: 
          int_value: 1
        }
        user_property {
          set_timestamp_millis: 1598703936107
          name: ga_session_number(_sno)
          string_value: 
          int_value: 1
        }
        user_property {
          set_timestamp_millis

2020-08-29 17:55:54.565 3482-3723/com.example.whatsappstatussaver W/ConnectionTracker: Exception thrown while unbinding
    java.lang.IllegalArgumentException: Service not registered: ly@b95b675
        at android.app.LoadedApk.forgetServiceDispatcher(LoadedApk.java:1723)
        at android.app.ContextImpl.unbindService(ContextImpl.java:1759)
        at android.content.ContextWrapper.unbindService(ContextWrapper.java:728)
        at ci.b(:com.google.android.gms.dynamite_measurementdynamite@203019066@20.30.19 (100406-0):1)
        at ci.a(:com.google.android.gms.dynamite_measurementdynamite@203019066@20.30.19 (100406-0):6)
        at lz.A(:com.google.android.gms.dynamite_measurementdynamite@203019066@20.30.19 (100406-0):10)
        at lk.a(:com.google.android.gms.dynamite_measurementdynamite@203019066@20.30.19 (100406-0):3)
        at eb.run(:com.google.android.gms.dynamite_measurementdynamite@203019066@20.30.19 (100406-0):3)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:458)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at jf.run(:com.google.android.gms.dynamite_measurementdynamite@203019066@20.30.19 (100406-0):6)