mirror of
https://github.com/deltachat/deltachat-android.git
synced 2025-10-03 01:39:18 +02:00
102 lines
3 KiB
Java
102 lines
3 KiB
Java
package org.thoughtcrime.securesms;
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import android.content.res.AssetManager;
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import android.os.Bundle;
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import android.view.Menu;
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import android.view.MenuItem;
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import java.io.InputStream;
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import java.util.Locale;
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public class LocalHelpActivity extends WebViewActivity
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{
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public static final String SECTION_EXTRA = "section_extra";
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@Override
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protected boolean allowInLockedMode() { return true; }
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@Override
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protected void onCreate(Bundle state, boolean ready) {
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super.onCreate(state, ready);
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setForceDark();
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getSupportActionBar().setTitle(getString(R.string.menu_help));
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String section = getIntent().getStringExtra(SECTION_EXTRA);
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String helpPath = "help/LANG/help.html";
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String helpLang = "en";
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try {
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Locale locale = dynamicLanguage.getCurrentLocale();
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String appLang = locale.getLanguage();
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String appCountry = locale.getCountry();
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if (assetExists(helpPath.replace("LANG", appLang))) {
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helpLang = appLang;
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} else if (assetExists(helpPath.replace("LANG", appLang+"_"+appCountry))) {
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helpLang = appLang+"_"+appCountry;
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} else {
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appLang = appLang.substring(0, 2);
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if (assetExists(helpPath.replace("LANG", appLang))) {
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helpLang = appLang;
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}
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}
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} catch(Exception e) {
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e.printStackTrace();
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}
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webView.loadUrl("file:///android_asset/" + helpPath.replace("LANG", helpLang) + (section!=null? section : ""));
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}
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@Override
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public boolean onPrepareOptionsMenu(Menu menu) {
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super.onPrepareOptionsMenu(menu);
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this.getMenuInflater().inflate(R.menu.local_help, menu);
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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super.onOptionsItemSelected(item);
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switch (item.getItemId()) {
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case R.id.log_scroll_up:
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webView.scrollTo(0, 0);
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return true;
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case R.id.learn_more:
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openOnlineUrl("https://delta.chat");
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return true;
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case R.id.privacy_policy:
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openOnlineUrl("https://delta.chat/gdpr");
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return true;
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case R.id.contribute:
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openOnlineUrl("https://github.com/deltachat/deltachat-android");
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return true;
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case R.id.report_issue:
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openOnlineUrl("https://github.com/deltachat/deltachat-android/issues");
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return true;
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}
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return false;
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}
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@Override
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public void onBackPressed() {
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if (webView.canGoBack()) {
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webView.goBack();
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} else {
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super.onBackPressed();
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}
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}
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private boolean assetExists(String fileName) {
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// test using AssetManager.open();
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// AssetManager.list() is unreliable eg. on my Android 7 Moto G
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// and also reported to be pretty slow.
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boolean exists = false;
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try {
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AssetManager assetManager = getResources().getAssets();
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InputStream is = assetManager.open(fileName);
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exists = true;
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is.close();
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} catch(Exception e) {
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; // a non-existent asset is no error, the function's purpose is to check exactly that.
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}
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return exists;
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}
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}
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