St.John's v1.0.9 - LearningTopicDataActivity.java 源代码

package com.mcb.stjohnsemschool.activity;

import android.app.ProgressDialog;
import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.util.Base64;
import android.view.KeyEvent;
import android.view.MenuItem;
import android.view.View;
import android.webkit.JsResult;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import androidx.appcompat.app.AppCompatActivity;
import com.google.android.exoplayer2.C;
import com.google.firebase.analytics.FirebaseAnalytics;
import com.mcb.stjohnsemschool.utils.Utility;
import java.io.UnsupportedEncodingException;

public class LearningTopicDataActivity extends AppCompatActivity {
    private static final String TAG = "com.mcb.stjohnsemschool.activity.LearningTopicDataActivity";
    private int chapterId;
    private Context context;
    private int id;
    private ProgressDialog mProgress;
    private SharedPreferences mSharedPref;
    private WebView mWebView;
    private AppCompatActivity myActivity;
    private String studentEnrollmentId = "0";
    private String subjectGUID = "";
    private int topicId;

    protected void onCreate(Bundle bundle) {
        super.onCreate(bundle);
        setContentView(R.layout.activity_learning_topic_description);
        this.context = getApplicationContext();
        this.myActivity = this;
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setDisplayShowTitleEnabled(true);
        getSupportActionBar().setHomeButtonEnabled(true);
        getSupportActionBar().setTitle("Note");
        this.mProgress = ProgressDialog.show(this.myActivity, "", "Please wait for a moment...");
        setUpIds();
    }

    private void setUpIds() {
        SharedPreferences sharedPreferences = this.context.getSharedPreferences("", 0);
        this.mSharedPref = sharedPreferences;
        this.studentEnrollmentId = sharedPreferences.getString("studentEnrollmentIdKey", this.studentEnrollmentId);
        Bundle extras = getIntent().getExtras();
        this.subjectGUID = extras.getString("SubjectGUID", "");
        this.chapterId = extras.getInt("ChapterId", 0);
        this.topicId = extras.getInt("TopicId", 0);
        this.id = extras.getInt("Id", 0);
        String string = extras.getString("Description", "");
        WebView webView = (WebView) findViewById(2131364517);
        this.mWebView = webView;
        webView.setWebViewClient(new WebViewClient() {
            @Override
            public boolean shouldOverrideUrlLoading(WebView webView2, String str) {
                return false;
            }

            @Override
            public void onPageStarted(WebView webView2, String str, Bitmap bitmap) {
                super.onPageStarted(webView2, str, bitmap);
            }

            @Override
            public void onPageFinished(WebView webView2, String str) {
                if (LearningTopicDataActivity.this.mProgress.isShowing()) {
                    LearningTopicDataActivity.this.mProgress.dismiss();
                }
            }
        });
        this.mWebView.setWebChromeClient(new WebChromeClient() {
            @Override
            public boolean onJsAlert(WebView webView2, String str, String str2, JsResult jsResult) {
                return super.onJsAlert(webView2, str, str2, jsResult);
            }
        });
        this.mWebView.setOnKeyListener(new View.OnKeyListener() {
            @Override
            public boolean onKey(View view, int i, KeyEvent keyEvent) {
                if (i != 4 || !LearningTopicDataActivity.this.mWebView.canGoBack()) {
                    return false;
                }
                LearningTopicDataActivity.this.mWebView.goBack();
                return true;
            }
        });
        WebSettings settings = this.mWebView.getSettings();
        settings.setJavaScriptEnabled(true);
        settings.getAllowContentAccess();
        settings.setDomStorageEnabled(true);
        settings.setBuiltInZoomControls(true);
        settings.setDisplayZoomControls(false);
        settings.setLoadWithOverviewMode(true);
        settings.setUseWideViewPort(true);
        settings.setDefaultFontSize(40);
        settings.setDefaultTextEncodingName("utf-8");
        try {
            this.mWebView.loadData(Base64.encodeToString(string.getBytes(C.UTF8_NAME), 0), "text/html; charset=utf-8", "base64");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
    }

    public boolean onOptionsItemSelected(MenuItem menuItem) {
        if (menuItem.getItemId() == 16908332) {
            super.onBackPressed();
            return true;
        }
        return super.onOptionsItemSelected(menuItem);
    }

    protected void onResume() {
        super.onResume();
        String string = this.mSharedPref.getString("usernamekey", "");
        Bundle bundle = new Bundle();
        bundle.putString("user_name", string);
        FirebaseAnalytics.getInstance(this).logEvent("PAGE_LEARNING_TOPIC_CONTENT", bundle);
        Utility.saveNoteViewLog(this.context, this.subjectGUID, this.chapterId, this.topicId, this.id, 0);
    }

    protected void onDestroy() {
        Utility.saveNoteViewLog(this.context, this.subjectGUID, this.chapterId, this.topicId, this.id, 1);
        super.onDestroy();
    }
}