105 lines
2.6 KiB
Java
105 lines
2.6 KiB
Java
package org.mian.gitnex.helpers;
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import android.app.Activity;
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import android.content.pm.PackageManager;
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import android.content.res.Resources;
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import android.content.res.XmlResourceParser;
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import android.text.Html;
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import android.util.Log;
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import androidx.appcompat.app.AlertDialog;
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import org.mian.gitnex.R;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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import java.io.IOException;
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import java.util.Objects;
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/**
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* Author M M Arif
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*/
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public class ChangeLog {
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static final private String TAG = "ChangeLog";
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static final private String CHANGELOG_XML_NODE = "changelog";
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private Activity changelogActivity;
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public ChangeLog(Activity context) {
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changelogActivity = context;
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}
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private String ParseReleaseTag(XmlResourceParser aXml) throws XmlPullParserException, IOException {
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StringBuilder strBuilder = new StringBuilder(aXml.getAttributeValue(null, "version") + "<br>");
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int eventType = aXml.getEventType();
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while ((eventType != XmlPullParser.END_TAG) || (aXml.getName().equals("change"))) {
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if ((eventType == XmlPullParser.START_TAG) && (aXml.getName().equals("change"))) {
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eventType = aXml.next();
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strBuilder.append(aXml.getText()).append("<br>");
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}
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eventType = aXml.next();
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}
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strBuilder.append("<br>");
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return strBuilder.toString();
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}
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private String getChangelog(int resId, Resources res) {
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StringBuilder strBuilder = new StringBuilder();
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try (XmlResourceParser xml = res.getXml(resId)) {
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int eventType = xml.getEventType();
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while (eventType != XmlPullParser.END_DOCUMENT) {
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if ((eventType == XmlPullParser.START_TAG) && (xml.getName().equals("release"))) {
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strBuilder.append(ParseReleaseTag(xml));
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}
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eventType = xml.next();
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}
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}
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catch (XmlPullParserException | IOException e) {
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Log.e(TAG, Objects.requireNonNull(e.getMessage()));
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}
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return strBuilder.toString();
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}
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public void showDialog() {
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String packageName = changelogActivity.getPackageName();
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Resources res = null;
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try {
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res = changelogActivity.getPackageManager().getResourcesForApplication(packageName);
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}
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catch (PackageManager.NameNotFoundException e) {
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Log.e(TAG, Objects.requireNonNull(e.getMessage()));
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}
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assert res != null;
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int resId = res.getIdentifier(CHANGELOG_XML_NODE, "xml", packageName);
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String changelogMessage = getChangelog(resId, res);
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AlertDialog.Builder builder = new AlertDialog.Builder(changelogActivity);
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builder.setTitle(R.string.changelogTitle);
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builder.setMessage(Html.fromHtml("<small>" + changelogMessage + "</small>"));
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builder.setNeutralButton(R.string.close, null);
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builder.setCancelable(false);
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builder.create().show();
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}
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}
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