【发布时间】：2021-12-26 09:07:54
【问题描述】：
在此代码中，插页式广告系统依赖于按钮，这意味着如果要进行下一个活动，则必须使用插页式广告。关闭广告后，您就可以看到下一个活动。如果您删除了广告代码，那么您将无法进入下一个活动。所以现在我想禁用它以显示插页式广告但不能依赖任何按钮。请解决这个问题。我的代码如下，
package com.sheakdev.sscmath;
import android.Manifest;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.icu.text.SimpleDateFormat;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.appcompat.app.AppCompatActivity;
import com.bumptech.glide.Glide;
import com.example.mychat.MainActivity;
import com.example.mychat.R;
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.LoadAdError;
import com.google.android.gms.ads.MobileAds;
import com.google.android.gms.ads.initialization.InitializationStatus;
import com.google.android.gms.ads.initialization.OnInitializationCompleteListener;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
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.Query;
import com.google.firebase.database.ValueEventListener;
import com.google.gson.Gson;
import com.krishna.fileloader.FileLoader;
import com.krishna.fileloader.listener.FileRequestListener;
import com.krishna.fileloader.pojo.FileResponse;
import com.krishna.fileloader.request.FileLoadRequest;
import com.sheakdev.sscmath.Model.Books;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Locale;
import jp.wasabeef.glide.transformations.BlurTransformation;
import static com.bumptech.glide.request.RequestOptions.bitmapTransform;
public class PdfDetail extends AppCompatActivity {
private static final int WRITE_EXT_STORAGECODE = 1;
private static final int READ_EXT_STORAGECODE = 2;
private InterstitialAd mInterstitialAd;
FloatingActionButton favouriteBtn;
FloatingActionButton downloadBtn;
Button read;
ImageView bookImageBack;
TextView bookNameBack;
TextView authorNameBack;
TextView likesText;
TextView readersText;
TextView shareText;
TextView bookCategory1;
TextView downloads;
TextView descriptionText;
ArrayList<Books> dataListOffine;
SharedPreferences sharedPreferences;
//Set<String> set;
File file;
String str;
Bitmap bitmap;
ImageView backgroundImage;
String id = "";
String bookName, authorName, bookImage, pdfUrl, description, downloadsstring, bookCategory = "";
private Dialog progressDialog;
private AdView mAdView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_pdf_detail);
loadBannerAd();
loadInterstatialAd();
progressDialog = new ProgressDialog(this);
((ProgressDialog) progressDialog).setMessage("Please wait\nDownloading pdf...");
progressDialog.setCancelable(false);
favouriteBtn = findViewById(R.id.fab);
downloadBtn = findViewById(R.id.downloadBtn);
bookImageBack = findViewById(R.id.bookImage);
bookNameBack = findViewById(R.id.bookName);
authorNameBack = findViewById(R.id.authorName);
read = findViewById(R.id.readBtn);
backgroundImage = findViewById(R.id.background_blur);
likesText = findViewById(R.id.likesText);
readersText = findViewById(R.id.readerText);
shareText = findViewById(R.id.shareText);
bookCategory1 = findViewById(R.id.bookCategory);
downloads = findViewById(R.id.reviewText);
descriptionText = findViewById(R.id.description);
dataListOffine = new ArrayList<>();
Intent i = getIntent();
bookName = i.getStringExtra("bookName");
authorName = i.getStringExtra("authorName");
bookImage = i.getStringExtra("bookImage");
pdfUrl = i.getStringExtra("pdfUrl");
description = i.getStringExtra("description");
bookCategory = i.getStringExtra("bookCategory");
downloadsstring = i.getStringExtra("bookDownloads");
descriptionText.setText(description);
id = i.getStringExtra("id");
Log.d("bookData:", "bookName " + bookName);
Log.d("bookData:", "authorName " + authorName);
Log.d("bookData:", "bookImage " + bookImage);
Log.d("bookData:", "pdfUrl " + pdfUrl);
Log.d("bookData:", "description " + description);
Log.d("bookData:", "id " + id);
/*final SharedPreferences sharedPreferencesDownloads = getSharedPreferences("downloads", MODE_PRIVATE);
set = sharedPreferencesDownloads.getStringSet("key", null);
try {
dataListOffine = new ArrayList<String>(set);
} catch (Exception e) {
e.printStackTrace();
}*/
Log.d("idTest: ", "Id: " + id);
sharedPreferences = this.getSharedPreferences("favourites", Context.MODE_PRIVATE);
boolean check = sharedPreferences.getBoolean("liked_" + id, false);
if (check) {
favouriteBtn.invalidate();
favouriteBtn.setBackground(getResources().getDrawable(R.drawable.ic_thumb_up_filled));
} else {
favouriteBtn.setImageResource(R.drawable.ic_thumb_up);
}
//setting selected book data
//setting selected book data
Glide.with(this)
.load(bookImage)
.into(bookImageBack);
Glide.with(this).load(bookImage)
.apply(bitmapTransform(new BlurTransformation(30)))
.into(backgroundImage);
bookNameBack.setText(bookName);
authorNameBack.setText(authorName);
bookCategory1.setText(bookCategory);
try {
downloads.setText(downloadsstring);
} catch (Exception e) {
e.printStackTrace();
}
//for updating likes
final DatabaseReference reference = FirebaseDatabase.getInstance().getReference("Books");
final Query query = reference.orderByChild("id").equalTo(id);
query.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot snapshot) {
if (snapshot != null) {
for (DataSnapshot snapshot1 : snapshot.getChildren()) {
Books books = snapshot1.getValue(Books.class);
likesText.setText(books.getLiked());
if (snapshot1.child("readers").exists()) {
readersText.setText(books.getReaders());
} else {
readersText.setText("0");
}
if (snapshot1.child("shared").exists()) {
shareText.setText(books.getShared());
} else {
shareText.setText("0");
}
}
}
}
@Override
public void onCancelled(@NonNull DatabaseError error) {
}
});
favouriteBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
SharedPreferences sharedPreferences = getSharedPreferences("favourites", Context.MODE_PRIVATE);
boolean check = sharedPreferences.getBoolean("liked_" + id, false);
if (check) {
sharedPreferences = getSharedPreferences("favourites", MODE_PRIVATE);
SharedPreferences.Editor editor = sharedPreferences.edit();
editor.putBoolean("liked_" + id, false);
editor.commit();
final DatabaseReference reference = FirebaseDatabase.getInstance().getReference("Books");
final Query query = reference.orderByChild("id").equalTo(id);
query.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot snapshot) {
if (snapshot != null) {
for (DataSnapshot snapshot1 : snapshot.getChildren()) {
Books books = snapshot1.getValue(Books.class);
String liked = books.getLiked();
if (liked.equals("0")) {
//do nothing
} else {
int integerLiked = (Integer.parseInt(liked)) - 1;
books.setLiked(String.valueOf(integerLiked));
reference.child(id).setValue(books);
likesText.setText(books.getLiked());
}
}
}
}
@Override
public void onCancelled(@NonNull DatabaseError error) {
}
});
favouriteBtn.setImageResource(R.drawable.ic_thumb_up);
Toast.makeText(PdfDetail.this, "Dislike", Toast.LENGTH_SHORT).show();
} else {
/*saveData(id);*/
sharedPreferences = getSharedPreferences("favourites", MODE_PRIVATE);
SharedPreferences.Editor editor = sharedPreferences.edit();
editor.putBoolean("liked_" + id, true);
editor.commit();
final DatabaseReference reference = FirebaseDatabase.getInstance().getReference("Books");
final Query query = reference.orderByChild("id").equalTo(id);
query.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot snapshot) {
if (snapshot != null) {
for (DataSnapshot snapshot1 : snapshot.getChildren()) {
Books books = snapshot1.getValue(Books.class);
String liked = books.getLiked();
int integerLiked = (Integer.parseInt(liked)) + 1;
books.setLiked(String.valueOf(integerLiked));
reference.child(id).setValue(books);
likesText.setText(books.getLiked());
}
}
}
@Override
public void onCancelled(@NonNull DatabaseError error) {
}
});
favouriteBtn.setImageResource(R.drawable.ic_thumb_up_filled);
Toast.makeText(PdfDetail.this, "Liked", Toast.LENGTH_SHORT).show();
}
}
});
downloadBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//storing value in array list
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) ==
PackageManager.PERMISSION_DENIED) {
String[] permission = {
Manifest.permission.WRITE_EXTERNAL_STORAGE
};
requestPermissions(permission, WRITE_EXT_STORAGECODE);
return;
}
}
bitmap = ((BitmapDrawable) bookImageBack.getDrawable()).getBitmap();
progressDialog.show();
savepdf();
Log.d("bookDataf:", "bookName " + bookName);
Log.d("bookDataf:", "authorName " + authorName);
Log.d("bookDataf:", "pdfUrl " + pdfUrl);
Log.d("bookDataf:", "description " + description);
Log.d("bookDataf:", "id " + id);
//dataListOffine.add(bk);
//saveData();
/*//Set the values
set = new HashSet<String>();
set.addAll(dataListOffine);
SharedPreferences.Editor editor = sharedPreferencesDownloads.edit();
editor.putStringSet("key", set);
editor.commit();*/
}
private void savepdf() {
FileLoader.with(getApplicationContext())
.load(pdfUrl, false) //2nd parameter is optioal, pass true to force load from network
.fromDirectory("test4", FileLoader.DIR_INTERNAL)
.asFile(new FileRequestListener<File>() {
@Override
public void onLoad(FileLoadRequest request, FileResponse<File> response) {
saveimagetoGallary();
}
@Override
public void onError(FileLoadRequest request, Throwable t) {
progressDialog.dismiss();
}
});
}
});
read.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
if (connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState() == NetworkInfo.State.CONNECTED ||
connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState() == NetworkInfo.State.CONNECTED) {
if (mInterstitialAd.isLoaded()) {
mInterstitialAd.show();
return;
} else {
mInterstitialAd.loadAd(new AdRequest.Builder().build());
}
} else {
// for offline oppening of book without ads...
final DatabaseReference reference = FirebaseDatabase.getInstance().getReference("Books");
final Query query = reference.orderByChild("id").equalTo(id);
query.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot snapshot) {
if (snapshot != null) {
for (DataSnapshot snapshot1 : snapshot.getChildren()) {
Books books = snapshot1.getValue(Books.class);
if (snapshot1.child("readers").exists()) {
String readers = books.getReaders();
int integerReader = (Integer.parseInt(readers)) + 1;
books.setReaders(String.valueOf(integerReader));
reference.child(id).setValue(books);
readersText.setText(books.getReaders());
} else {
books.setReaders("1");
reference.child(id).setValue(books);
readersText.setText(books.getReaders());
}
}
}
}
@Override
public void onCancelled(@NonNull DatabaseError error) {
}
});
Intent i = new Intent(PdfDetail.this, BookView.class);
i.putExtra("pdfUrl", pdfUrl);
i.putExtra("bookId", id);
i.putExtra("bookName", bookName);
startActivity(i);
}
}
});
}
private void loadBannerAd() {
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);
}
private void saveData(String id) {
SharedPreferences sharedPreferences = getSharedPreferences("favourites", MODE_PRIVATE);
SharedPreferences.Editor editor = sharedPreferences.edit();
editor.putBoolean("liked_" + id, true);
editor.commit();
}
@RequiresApi(api = Build.VERSION_CODES.N)
private void saveimagetoGallary() {
String time = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault()).format(System.currentTimeMillis());
File path = Environment.getExternalStorageDirectory();
File dir = new File(path + "/DCIM/.eBookImages");
dir.mkdir();
String imagename = time + ".JPEG";
file = new File(dir, imagename);
OutputStream out;
try {
out = new FileOutputStream(file);
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
out.flush();
out.close();
Booksdb bk = new Booksdb();
bk.setBookName(bookName);
bk.setAuthorName(authorName);
bk.setBookImage(String.valueOf(file));
bk.setPdfUrl(pdfUrl);
bk.setDescription(description);
bk.setId(id);
MainActivity.myappdatabas.myDao().addBook(bk);
progressDialog.dismiss();
final DatabaseReference reference = FirebaseDatabase.getInstance().getReference("Books").child(id);
//final Query query = reference.orderByChild("id").equalTo(id);
reference.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot snapshot) {
String dwnlds1 = snapshot.child("downloads").getValue(String.class);
Log.e("TAGFIRE", "onDataChange: " + snapshot + ":" + dwnlds1 + "id" + id);
int val = Integer.parseInt(dwnlds1);
val = val + 1;
HashMap<String, Object> hashMap = new HashMap<>();
hashMap.put("downloads", String.valueOf(val));
final int finalVal = val;
reference.updateChildren(hashMap).addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task) {
downloads.setText("" + finalVal);
Toast.makeText(PdfDetail.this, "Download complete ", Toast.LENGTH_SHORT).show();
}
});
}
@Override
public void onCancelled(@NonNull DatabaseError error) {
}
});
// Toast.makeText(PdfDetail.this, "Saved in DCIM", Toast.LENGTH_SHORT).show();
} catch (Exception e) {
e.printStackTrace();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) ==
PackageManager.PERMISSION_DENIED) {
String[] permission = {
Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE
};
requestPermissions(permission, WRITE_EXT_STORAGECODE);
}
}
}
}
public void saveData() {
sharedPreferences = getSharedPreferences("saveData", MODE_PRIVATE);
SharedPreferences.Editor editor = sharedPreferences.edit();
Gson gson = new Gson();
String json = gson.toJson(dataListOffine);
editor.putInt("dataListSize", dataListOffine.size());
editor.putString("downloadBookData_" + id, json);
editor.commit();
}
private void loadInterstatialAd() {
mInterstitialAd = new InterstitialAd(this);
mInterstitialAd.setAdUnitId("ca-app-pub-9478755017139489/9139057379");
mInterstitialAd.setAdListener(new AdListener() {
@Override
public void onAdLoaded() {
// Code to be executed when an ad finishes loading.
}
@Override
public void onAdFailedToLoad(LoadAdError adError) {
// Code to be executed when an ad request fails.
}
@Override
public void onAdOpened() {
// Code to be executed when the ad is displayed.
}
@Override
public void onAdClicked() {
// Code to be executed when the user clicks on an ad.
}
@Override
public void onAdLeftApplication() {
// Code to be executed when the user has left the app.
}
@Override
public void onAdClosed() {
final DatabaseReference reference = FirebaseDatabase.getInstance().getReference("Books");
final Query query = reference.orderByChild("id").equalTo(id);
query.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot snapshot) {
if (snapshot != null) {
for (DataSnapshot snapshot1 : snapshot.getChildren()) {
Books books = snapshot1.getValue(Books.class);
if (snapshot1.child("readers").exists()) {
String readers = books.getReaders();
int integerReader = (Integer.parseInt(readers)) + 1;
books.setReaders(String.valueOf(integerReader));
reference.child(id).setValue(books);
readersText.setText(books.getReaders());
} else {
books.setReaders("1");
reference.child(id).setValue(books);
readersText.setText(books.getReaders());
}
}
}
}
@Override
public void onCancelled(@NonNull DatabaseError error) {
}
});
Intent i = new Intent(PdfDetail.this, BookView.class);
i.putExtra("pdfUrl", pdfUrl);
i.putExtra("bookId", id);
i.putExtra("bookName", bookName);
startActivity(i);
// Code to be executed when the interstitial ad is closed.
//isPlayed = true;
mInterstitialAd.loadAd(new AdRequest.Builder().build());
}
});
mInterstitialAd.loadAd(new AdRequest.Builder().build());
}
}
【问题讨论】：
标签： android android-studio admob buttonclick interstitial