可以使用横幅广告。但是当加载intertitial广告时，按钮点击后app会崩溃，这会加载广告和调用方法submitpost（）;广告关闭后。 我用firebase连接了admob。 没有插页式广告，submitpost（）;单击mSubmitPost按钮后执行方法。
我已经搜索了解决方案，但一无所获。请帮我。 此java代码来自google firebase示例，并且在没有插页式广告的情况下正常运行。
这是我的代码：
package com.dharatirths.yatras.mohim;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import com.google.android.gms.ads.AdListener;
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.InterstitialAd;
import java.util.HashMap;
import java.util.Map;
public class NewPost extends BaseActivity {
private static final String TAG = "NewPostActivity";
private static final String REQUIRED = "Required";
private InterstitialAd mInterstitialAd;
// [START declare_database_ref]
private DatabaseReference mDatabase;
// [END declare_database_ref]
private EditText mTitleField;
private EditText mBodyField;
private FloatingActionButton mSubmitButton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_new_post);
// [START initialize_database_ref]
mDatabase = FirebaseDatabase.getInstance().getReference();
// [END initialize_database_ref]
mTitleField = findViewById(R.id.field_title);
mBodyField = findViewById(R.id.field_body);
mSubmitButton = findViewById(R.id.fab_submit_post);
mSubmitButton.setEnabled(true);
mSubmitButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
showIntAdd();
}
});
mInterstitialAd = createNewIntAd();
loadIntAdd();
}
private InterstitialAd createNewIntAd() {
InterstitialAd intAd = new InterstitialAd(getApplicationContext());
// set the adUnitId (defined in values/strings.xml)
intAd.setAdUnitId("ca-app-pub-3940256099942544/1033173712");
intAd.setAdListener(new AdListener() {
@Override
public void onAdLoaded() {
mSubmitButton.setEnabled(true);
}
@Override
public void onAdFailedToLoad(int errorCode) {
mSubmitButton.setEnabled(true);
}
@Override
public void onAdClosed() {
// Proceed to the next level.
submitPost();
}
});
return intAd;
}
private void showIntAdd() {
// Show the ad if it's ready. Otherwise toast and reload the ad.
if (mInterstitialAd != null && mInterstitialAd.isLoaded()) {
mInterstitialAd.show();
} else {
submitPost();
}
}
private void loadIntAdd() {
// Disable the level two button and load the ad.
mSubmitButton.setEnabled(false);
AdRequest adRequest = new AdRequest.Builder().build();
mInterstitialAd.loadAd(adRequest);
}
private void submitPost() {
final String title = mTitleField.getText().toString();
final String body = mBodyField.getText().toString();
// Title is required
if (TextUtils.isEmpty(title)) {
mTitleField.setError(REQUIRED);
return;
}
// Body is required
if (TextUtils.isEmpty(body)) {
mBodyField.setError(REQUIRED);
return;
}
// Disable button so there are no multi-posts
setEditingEnabled(false);
Toast.makeText(this, "Posting...", Toast.LENGTH_SHORT).show();
// [START single_value_read]
final String userId = getUid();
mDatabase.child("users").child(userId).addListenerForSingleValueEvent(
new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
// Get user value
User user = dataSnapshot.getValue(User.class);
// [START_EXCLUDE]
if (user == null) {
// User is null, error out
Log.e(TAG, "User " + userId + " is unexpectedly null");
Toast.makeText(NewPost.this,
"Error: could not fetch user.",
Toast.LENGTH_SHORT).show();
} else {
// Write new post
writeNewPost(userId, user.username, title, body);
}
// Finish this Activity, back to the stream
setEditingEnabled(true);
finish();
// [END_EXCLUDE]
}
@Override
public void onCancelled(DatabaseError databaseError) {
Log.w(TAG, "getUser:onCancelled", databaseError.toException());
// [START_EXCLUDE]
setEditingEnabled(true);
// [END_EXCLUDE]
}
});
// [END single_value_read]
}
private void setEditingEnabled(boolean enabled) {
mTitleField.setEnabled(enabled);
mBodyField.setEnabled(enabled);
if (enabled) {
mSubmitButton.setVisibility(View.VISIBLE);
} else {
mSubmitButton.setVisibility(View.GONE);
}
}
// [START write_fan_out]
private void writeNewPost(String userId, String username, String title, String body) {
// Create new post at /user-posts/$userid/$postid and at
// /posts/$postid simultaneously
String key = mDatabase.child("posts").push().getKey();
Post post = new Post(userId, username, title, body);
Map<String, Object> postValues = post.toMap();
Map<String, Object> childUpdates = new HashMap<>();
childUpdates.put("/posts/" + key, postValues);
childUpdates.put("/user-posts/" + userId + "/" + key, postValues);
mDatabase.updateChildren(childUpdates);
}
// [END write_fan_out]
}
这是logcat
01-30 11:53:20.778 28873-28873/com.dharatirths.yatras.mohim E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.dharatirths.yatras.mohim, PID: 28873
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.dharatirths.yatras.mohim/com.google.android.gms.ads.AdActivity}: java.lang.IllegalStateException: Only fullscreen activities can request orientation
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2817)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6541)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
Caused by: java.lang.IllegalStateException: Only fullscreen activities can request orientation
at android.os.Parcel.readException(Parcel.java:1950)
at android.os.Parcel.readException(Parcel.java:1888)
at android.app.IActivityManager$Stub$Proxy.setRequestedOrientation(IActivityManager.java:5675)
at android.app.Activity.setRequestedOrientation(Activity.java:5739)
at com.google.android.gms.ads.internal.overlay.d.a(:com.google.android.gms.DynamiteModulesA@11975470:182)
at com.google.android.gms.ads.internal.overlay.d.b(:com.google.android.gms.DynamiteModulesA@11975470:216)
at com.google.android.gms.ads.internal.overlay.d.a(:com.google.android.gms.DynamiteModulesA@11975470:76)
at com.google.android.gms.ads.internal.overlay.client.c.onTransact(:com.google.android.gms.DynamiteModulesA@11975470:8)
at android.os.Binder.transact(Binder.java:604)
at com.google.android.gms.internal.zzeu.zzb(Unknown Source:7)
at com.google.android.gms.internal.zzxg.onCreate(Unknown Source:8)
at com.google.android.gms.ads.AdActivity.onCreate(Unknown Source:29)
at android.app.Activity.performCreate(Activity.java:6975)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1213)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2770)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6541)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
01-30 11:53:20.990 28873-28896/com.dharatirths.yatras.mohim D/FA: Logging event (FE): ad_impression(_ai), Bundle[{firebase_event_origin(_o)=am, ad_event_id(_aeid)=1139149630212468820}]