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Code Issues Releases Wiki Activity

Use RxJava instead of AsyncTask to check for new app versions.

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This commit is contained in:
Isira Seneviratne 2020-10-12 06:25:35 +05:30
parent 7dd317e530
commit ef5084036c
3 changed files with 120 additions and 100 deletions
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14
app/src/main/java/org/schabi/newpipe/App.java
View File

@ -36,6 +36,7 @@ import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import io.reactivex.disposables.Disposable;
import io.reactivex.exceptions.CompositeException;
import io.reactivex.exceptions.MissingBackpressureException;
import io.reactivex.exceptions.OnErrorNotImplementedException;
@ -65,6 +66,9 @@ public class App extends MultiDexApplication {
protected static final String TAG = App.class.toString();
private static App app;
private Disposable disposable = null;
@NonNull
public static App getApp() {
return app;
}
@ -100,7 +104,15 @@ public class App extends MultiDexApplication {
configureRxJavaErrorHandler();
// Check for new version
new CheckForNewAppVersionTask().execute();
disposable = CheckForNewAppVersion.checkNewVersion(this);
}
@Override
public void onTerminate() {
if (disposable != null) {
disposable.dispose();
}
super.onTerminate();
}
protected Downloader getDownloader() {

161
app/src/main/java/org/schabi/newpipe/CheckForNewAppVersionTask.java → app/src/main/java/org/schabi/newpipe/CheckForNewAppVersion.java
View File

@ -9,9 +9,9 @@ import android.content.pm.PackageManager;
import android.content.pm.Signature;
import android.net.ConnectivityManager;
import android.net.Uri;
import android.os.AsyncTask;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.core.app.NotificationCompat;
import androidx.core.app.NotificationManagerCompat;
import androidx.core.content.ContextCompat;
@ -35,16 +35,18 @@ import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
/**
* AsyncTask to check if there is a newer version of the NewPipe github apk available or not.
* If there is a newer version we show a notification, informing the user. On tapping
* the notification, the user will be directed to the download link.
*/
public class CheckForNewAppVersionTask extends AsyncTask<Void, Void, String> {
private static final boolean DEBUG = MainActivity.DEBUG;
private static final String TAG = CheckForNewAppVersionTask.class.getSimpleName();
import io.reactivex.Observable;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.disposables.Disposables;
import io.reactivex.schedulers.Schedulers;
public final class CheckForNewAppVersion {
private CheckForNewAppVersion() { }
private static final boolean DEBUG = MainActivity.DEBUG;
private static final String TAG = CheckForNewAppVersion.class.getSimpleName();
private static final Application APP = App.getApp();
private static final String GITHUB_APK_SHA1
= "B0:2E:90:7C:1C:D6:FC:57:C3:35:F0:88:D0:8F:50:5F:94:E4:D2:15";
private static final String NEWPIPE_API_URL = "https://newpipe.schabi.org/api/data.json";
@ -52,18 +54,19 @@ public class CheckForNewAppVersionTask extends AsyncTask<Void, Void, String> {
/**
* Method to get the apk's SHA1 key. See https://stackoverflow.com/questions/9293019/#22506133.
*
* @param application The application
* @return String with the apk's SHA1 fingeprint in hexadecimal
*/
private static String getCertificateSHA1Fingerprint() {
final PackageManager pm = APP.getPackageManager();
final String packageName = APP.getPackageName();
private static String getCertificateSHA1Fingerprint(@NonNull final Application application) {
final PackageManager pm = application.getPackageManager();
final String packageName = application.getPackageName();
final int flags = PackageManager.GET_SIGNATURES;
PackageInfo packageInfo = null;
try {
packageInfo = pm.getPackageInfo(packageName, flags);
} catch (final PackageManager.NameNotFoundException e) {
ErrorActivity.reportError(APP, e, null, null,
ErrorActivity.reportError(application, e, null, null,
ErrorActivity.ErrorInfo.make(UserAction.SOMETHING_ELSE, "none",
"Could not find package info", R.string.app_ui_crash));
}
@ -78,7 +81,7 @@ public class CheckForNewAppVersionTask extends AsyncTask<Void, Void, String> {
final CertificateFactory cf = CertificateFactory.getInstance("X509");
c = (X509Certificate) cf.generateCertificate(input);
} catch (final CertificateException e) {
ErrorActivity.reportError(APP, e, null, null,
ErrorActivity.reportError(application, e, null, null,
ErrorActivity.ErrorInfo.make(UserAction.SOMETHING_ELSE, "none",
"Certificate error", R.string.app_ui_crash));
}
@ -90,7 +93,7 @@ public class CheckForNewAppVersionTask extends AsyncTask<Void, Void, String> {
final byte[] publicKey = md.digest(c.getEncoded());
hexString = byte2HexFormatted(publicKey);
} catch (NoSuchAlgorithmException | CertificateEncodingException e) {
ErrorActivity.reportError(APP, e, null, null,
ErrorActivity.reportError(application, e, null, null,
ErrorActivity.ErrorInfo.make(UserAction.SOMETHING_ELSE, "none",
"Could not retrieve SHA1 key", R.string.app_ui_crash));
}
@ -118,24 +121,71 @@ public class CheckForNewAppVersionTask extends AsyncTask<Void, Void, String> {
return str.toString();
}
public static boolean isGithubApk() {
return getCertificateSHA1Fingerprint().equals(GITHUB_APK_SHA1);
/**
* Method to compare the current and latest available app version.
* If a newer version is available, we show the update notification.
*
* @param application The application
* @param versionName Name of new version
* @param apkLocationUrl Url with the new apk
* @param versionCode Code of new version
*/
private static void compareAppVersionAndShowNotification(@NonNull final Application application,
final String versionName,
final String apkLocationUrl,
final int versionCode) {
final int notificationId = 2000;
if (BuildConfig.VERSION_CODE < versionCode) {
// A pending intent to open the apk location url in the browser.
final Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(apkLocationUrl));
final PendingIntent pendingIntent
= PendingIntent.getActivity(application, 0, intent, 0);
final String channelId = application
.getString(R.string.app_update_notification_channel_id);
final NotificationCompat.Builder notificationBuilder
= new NotificationCompat.Builder(application, channelId)
.setSmallIcon(R.drawable.ic_newpipe_update)
.setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
.setContentIntent(pendingIntent)
.setAutoCancel(true)
.setContentTitle(application
.getString(R.string.app_update_notification_content_title))
.setContentText(application
.getString(R.string.app_update_notification_content_text)
+ " " + versionName);
final NotificationManagerCompat notificationManager
= NotificationManagerCompat.from(application);
notificationManager.notify(notificationId, notificationBuilder.build());
}
}
@Override
protected void onPreExecute() {
final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(APP);
private static boolean isConnected(@NonNull final App app) {
final ConnectivityManager cm = ContextCompat.getSystemService(app,
ConnectivityManager.class);
return cm.getActiveNetworkInfo() != null
&& cm.getActiveNetworkInfo().isConnected();
}
public static boolean isGithubApk(@NonNull final App app) {
return getCertificateSHA1Fingerprint(app).equals(GITHUB_APK_SHA1);
}
@NonNull
public static Disposable checkNewVersion(@NonNull final App app) {
final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(app);
// Check if user has enabled/disabled update checking
// and if the current apk is a github one or not.
if (!prefs.getBoolean(APP.getString(R.string.update_app_key), true) || !isGithubApk()) {
this.cancel(true);
}
if (!prefs.getBoolean(app.getString(R.string.update_app_key), true)
|| !isGithubApk(app)) {
return Disposables.empty();
}
@Override
protected String doInBackground(final Void... voids) {
if (isCancelled() || !isConnected()) {
return Observable.fromCallable(() -> {
if (!isConnected(app)) {
return null;
}
@ -150,13 +200,12 @@ public class CheckForNewAppVersionTask extends AsyncTask<Void, Void, String> {
}
return null;
}
@Override
protected void onPostExecute(final String response) {
})
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(response -> {
// Parse the json from the response.
if (response != null) {
try {
final JsonObject githubStableObject = JsonParser.object().from(response)
.getObject("flavors").getObject("github").getObject("stable");
@ -165,8 +214,8 @@ public class CheckForNewAppVersionTask extends AsyncTask<Void, Void, String> {
final int versionCode = githubStableObject.getInt("version_code");
final String apkLocationUrl = githubStableObject.getString("apk");
compareAppVersionAndShowNotification(versionName, apkLocationUrl, versionCode);
compareAppVersionAndShowNotification(app, versionName, apkLocationUrl,
versionCode);
} catch (final JsonParserException e) {
// connectivity problems, do not alarm user and fail silently
if (DEBUG) {
@ -174,48 +223,6 @@ public class CheckForNewAppVersionTask extends AsyncTask<Void, Void, String> {
}
}
}
}
/**
* Method to compare the current and latest available app version.
* If a newer version is available, we show the update notification.
*
* @param versionName Name of new version
* @param apkLocationUrl Url with the new apk
* @param versionCode Code of new version
*/
private void compareAppVersionAndShowNotification(final String versionName,
final String apkLocationUrl,
final int versionCode) {
final int notificationId = 2000;
if (BuildConfig.VERSION_CODE < versionCode) {
// A pending intent to open the apk location url in the browser.
final Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(apkLocationUrl));
final PendingIntent pendingIntent
= PendingIntent.getActivity(APP, 0, intent, 0);
final NotificationCompat.Builder notificationBuilder = new NotificationCompat
.Builder(APP, APP.getString(R.string.app_update_notification_channel_id))
.setSmallIcon(R.drawable.ic_newpipe_update)
.setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
.setContentIntent(pendingIntent)
.setAutoCancel(true)
.setContentTitle(APP.getString(R.string.app_update_notification_content_title))
.setContentText(APP.getString(R.string.app_update_notification_content_text)
+ " " + versionName);
final NotificationManagerCompat notificationManager
= NotificationManagerCompat.from(APP);
notificationManager.notify(notificationId, notificationBuilder.build());
}
}
private boolean isConnected() {
final ConnectivityManager cm = ContextCompat.getSystemService(APP,
ConnectivityManager.class);
return cm.getActiveNetworkInfo() != null
&& cm.getActiveNetworkInfo().isConnected();
});
}
}

5
app/src/main/java/org/schabi/newpipe/settings/MainSettingsFragment.java
View File

@ -4,7 +4,8 @@ import android.os.Bundle;
import androidx.preference.Preference;
import org.schabi.newpipe.CheckForNewAppVersionTask;
import org.schabi.newpipe.App;
import org.schabi.newpipe.CheckForNewAppVersion;
import org.schabi.newpipe.MainActivity;
import org.schabi.newpipe.R;
@ -15,7 +16,7 @@ public class MainSettingsFragment extends BasePreferenceFragment {
public void onCreatePreferences(final Bundle savedInstanceState, final String rootKey) {
addPreferencesFromResource(R.xml.main_settings);
if (!CheckForNewAppVersionTask.isGithubApk()) {
if (!CheckForNewAppVersion.isGithubApk(App.getApp())) {
final Preference update = findPreference(getString(R.string.update_pref_screen_key));
getPreferenceScreen().removePreference(update);