StickerPackDetailsActivity.java

/*
 * Copyright (c) WhatsApp Inc. and its affiliates.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree.
 */

package com.example.samplestickerapp;

import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import android.text.format.Formatter;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewTreeObserver;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.google.android.gms.ads.AdRequest;
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.ads.interstitial.InterstitialAd;
import com.google.android.gms.ads.interstitial.InterstitialAdLoadCallback;

import java.lang.ref.WeakReference;

public class StickerPackDetailsActivity extends BaseActivity {

    /**
     * Do not change below values of below 3 lines as this is also used by WhatsApp
     */
    public static final String EXTRA_STICKER_PACK_ID = "sticker_pack_id";
    public static final String EXTRA_STICKER_PACK_AUTHORITY = "sticker_pack_authority";
    public static final String EXTRA_STICKER_PACK_NAME = "sticker_pack_name";

    public static final int ADD_PACK = 200;
    public static final String EXTRA_STICKER_PACK_WEBSITE = "sticker_pack_website";
    public static final String EXTRA_STICKER_PACK_EMAIL = "sticker_pack_email";
    public static final String EXTRA_STICKER_PACK_PRIVACY_POLICY = "sticker_pack_privacy_policy";
    public static final String EXTRA_STICKER_PACK_TRAY_ICON = "sticker_pack_tray_icon";
    public static final String EXTRA_SHOW_UP_BUTTON = "show_up_button";
    public static final String EXTRA_STICKER_PACK_DATA = "sticker_pack";
    private static final String TAG = "StickerPackDetails";

    private RecyclerView recyclerView;
    private GridLayoutManager layoutManager;
    private StickerPreviewAdapter stickerPreviewAdapter;
    private int numColumns;
    private View addButton;
    private View alreadyAddedText;
    private StickerPack stickerPack;
    private View divider;
    private WhiteListCheckAsyncTask whiteListCheckAsyncTask;
    private InterstitialAd mInterstitialAd;
    private AdRequest adRequest;

    private String InterAd = "ca-app-pub-8299128249632072/3113326183";
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.sticker_pack_details);
        boolean showUpButton = getIntent().getBooleanExtra(EXTRA_SHOW_UP_BUTTON, false);
        stickerPack = getIntent().getParcelableExtra(EXTRA_STICKER_PACK_DATA);
        TextView packNameTextView = findViewById(R.id.pack_name);
        TextView packPublisherTextView = findViewById(R.id.author);
        ImageView packTrayIcon = findViewById(R.id.tray_image);
        TextView packSizeTextView = findViewById(R.id.pack_size);

        addButton = findViewById(R.id.add_to_whatsapp_button);
        alreadyAddedText = findViewById(R.id.already_added_text);
        layoutManager = new GridLayoutManager(this, 1);
        recyclerView = findViewById(R.id.sticker_list);
        recyclerView.setLayoutManager(layoutManager);
        recyclerView.getViewTreeObserver().addOnGlobalLayoutListener(pageLayoutListener);
        recyclerView.addOnScrollListener(dividerScrollListener);
        divider = findViewById(R.id.divider);
        if (stickerPreviewAdapter == null) {
            stickerPreviewAdapter = new StickerPreviewAdapter(getLayoutInflater(), R.drawable.sticker_error, getResources().getDimensionPixelSize(R.dimen.sticker_pack_details_image_size), getResources().getDimensionPixelSize(R.dimen.sticker_pack_details_image_padding), stickerPack);
            recyclerView.setAdapter(stickerPreviewAdapter);
        }
        packNameTextView.setText(stickerPack.name);
        packPublisherTextView.setText(stickerPack.publisher);
        packTrayIcon.setImageURI(StickerPackLoader.getStickerAssetUri(stickerPack.identifier, stickerPack.trayImageFile));
        packSizeTextView.setText(Formatter.formatShortFileSize(this, stickerPack.getTotalSize()));
        addButton.setOnClickListener(v -> addStickerPackToWhatsApp(stickerPack.name));
        if (getSupportActionBar() != null) {
            getSupportActionBar().setDisplayHomeAsUpEnabled(showUpButton);
            getSupportActionBar().setTitle(showUpButton ? R.string.title_activity_sticker_pack_details_multiple_pack : R.string.title_activity_sticker_pack_details_single_pack);
        }
        MobileAds.initialize(this, new OnInitializationCompleteListener() {
            @Override
            public void onInitializationComplete(InitializationStatus initializationStatus) {}
        });
        adRequest = new AdRequest.Builder().build();
        InterstitialAd.load(this, InterAd, adRequest,
                new InterstitialAdLoadCallback() {
                    @Override
                    public void onAdLoaded(@NonNull InterstitialAd interstitialAd) {
                        // The mInterstitialAd reference will be null until
                        // an ad is loaded.
                        mInterstitialAd = interstitialAd;
                        Log.i(TAG, "onAdLoaded");
                    }

                    @Override
                    public void onAdFailedToLoad(@NonNull LoadAdError loadAdError) {
                        // Handle the error
                        Log.d(TAG, loadAdError.toString());
                        mInterstitialAd = null;
                    }
                });
    }

    @Override
    public void onBackPressed() {
        showAd();
        finish();
    }

    private void showAd() {
        if (mInterstitialAd != null) {
            mInterstitialAd.show(this);
        } else {
            Log.d("TAG", "The interstitial ad wasn't ready yet.");
        }
    }

    private void launchInfoActivity(String publisherWebsite, String publisherEmail, String privacyPolicyWebsite, String trayIconUriString) {
        Intent intent = new Intent(StickerPackDetailsActivity.this, StickerPackInfoActivity.class);
        intent.putExtra(StickerPackDetailsActivity.EXTRA_STICKER_PACK_ID, stickerPack.identifier);
        intent.putExtra(StickerPackDetailsActivity.EXTRA_STICKER_PACK_WEBSITE, publisherWebsite);
        intent.putExtra(StickerPackDetailsActivity.EXTRA_STICKER_PACK_EMAIL, publisherEmail);
        intent.putExtra(StickerPackDetailsActivity.EXTRA_STICKER_PACK_PRIVACY_POLICY, privacyPolicyWebsite);
        intent.putExtra(StickerPackDetailsActivity.EXTRA_STICKER_PACK_TRAY_ICON, trayIconUriString);
        startActivity(intent);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.toolbar, menu);
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == R.id.action_info && stickerPack != null) {
            final String publisherWebsite = stickerPack.publisherWebsite;
            final String publisherEmail = stickerPack.publisherEmail;
            final String privacyPolicyWebsite = stickerPack.privacyPolicyWebsite;
            Uri trayIconUri = StickerPackLoader.getStickerAssetUri(stickerPack.identifier, stickerPack.trayImageFile);
            launchInfoActivity(publisherWebsite, publisherEmail, privacyPolicyWebsite, trayIconUri.toString());
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    private void addStickerPackToWhatsApp(String stickerPackName) {
        Intent intent = new Intent();
        intent.setAction("com.whatsapp.intent.action.ENABLE_STICKER_PACK");
        intent.putExtra(StickerPackDetailsActivity.EXTRA_STICKER_PACK_ID, stickerPack.identifier);
        intent.putExtra(StickerPackDetailsActivity.EXTRA_STICKER_PACK_AUTHORITY, BuildConfig.CONTENT_PROVIDER_AUTHORITY);
        intent.putExtra(StickerPackDetailsActivity.EXTRA_STICKER_PACK_NAME, stickerPackName);
        try {
            startActivityForResult(intent, ADD_PACK);
        } catch (ActivityNotFoundException e) {
            Toast.makeText(this, R.string.error_adding_sticker_pack, Toast.LENGTH_LONG).show();
        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == ADD_PACK) {
            if (resultCode == Activity.RESULT_CANCELED && data != null) {
                final String validationError = data.getStringExtra("validation_error");
                if (validationError != null) {
                    if (BuildConfig.DEBUG) {
                        //validation error should be shown to developer only, not users.
                        MessageDialogFragment.newInstance(R.string.title_validation_error, validationError).show(getSupportFragmentManager(), "validation error");
                    }
                    Log.e(TAG, "Validation failed:" + validationError);
                }
            }
        }
    }

    private final ViewTreeObserver.OnGlobalLayoutListener pageLayoutListener = new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            setNumColumns(recyclerView.getWidth() / recyclerView.getContext().getResources().getDimensionPixelSize(R.dimen.sticker_pack_details_image_size));
        }
    };

    private void setNumColumns(int numColumns) {
        if (this.numColumns != numColumns) {
            layoutManager.setSpanCount(numColumns);
            this.numColumns = numColumns;
            if (stickerPreviewAdapter != null) {
                stickerPreviewAdapter.notifyDataSetChanged();
            }
        }
    }

    private final RecyclerView.OnScrollListener dividerScrollListener = new RecyclerView.OnScrollListener() {
        @Override
        public void onScrollStateChanged(@NonNull final RecyclerView recyclerView, final int newState) {
            super.onScrollStateChanged(recyclerView, newState);
            updateDivider(recyclerView);
        }

        @Override
        public void onScrolled(@NonNull final RecyclerView recyclerView, final int dx, final int dy) {
            super.onScrolled(recyclerView, dx, dy);
            updateDivider(recyclerView);
        }

        private void updateDivider(RecyclerView recyclerView) {
            boolean showDivider = recyclerView.computeVerticalScrollOffset() > 0;
            if (divider != null) {
                divider.setVisibility(showDivider ? View.VISIBLE : View.INVISIBLE);
            }
        }
    };

    @Override
    protected void onResume() {
        super.onResume();
        whiteListCheckAsyncTask = new WhiteListCheckAsyncTask(this);
        whiteListCheckAsyncTask.execute(stickerPack);
    }

    @Override
    protected void onPause() {
        super.onPause();
        if (whiteListCheckAsyncTask != null && !whiteListCheckAsyncTask.isCancelled()) {
            whiteListCheckAsyncTask.cancel(true);
        }
    }

    private void updateAddUI(Boolean isWhitelisted) {
        if (isWhitelisted) {
            addButton.setVisibility(View.GONE);
            alreadyAddedText.setVisibility(View.VISIBLE);
        } else {
            addButton.setVisibility(View.VISIBLE);
            alreadyAddedText.setVisibility(View.GONE);
        }
    }

    static class WhiteListCheckAsyncTask extends AsyncTask<StickerPack, Void, Boolean> {
        private final WeakReference<StickerPackDetailsActivity> stickerPackDetailsActivityWeakReference;

        WhiteListCheckAsyncTask(StickerPackDetailsActivity stickerPackListActivity) {
            this.stickerPackDetailsActivityWeakReference = new WeakReference<>(stickerPackListActivity);
        }

        @Override
        protected final Boolean doInBackground(StickerPack... stickerPacks) {
            StickerPack stickerPack = stickerPacks[0];
            final StickerPackDetailsActivity stickerPackDetailsActivity = stickerPackDetailsActivityWeakReference.get();
            //noinspection SimplifiableIfStatement
            if (stickerPackDetailsActivity == null) {
                return false;
            }
            return WhitelistCheck.isWhitelisted(stickerPackDetailsActivity, stickerPack.identifier);
        }

        @Override
        protected void onPostExecute(Boolean isWhitelisted) {
            final StickerPackDetailsActivity stickerPackDetailsActivity = stickerPackDetailsActivityWeakReference.get();
            if (stickerPackDetailsActivity != null) {
                stickerPackDetailsActivity.updateAddUI(isWhitelisted);
            }
        }
    }
}