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Initialize plugins and custom maps in MapTrek instead of MainActivity (…
…#193) This is necessary because MainActivity can be recreated with a saved bundle in two different cases: - on orientation changes, when only the activity is recreated - after the process has been killed In the first case, mMapIndex = application.getExtraMapIndex() worked well, though in the second case, MapTrek.mExtraMapIndex got cleared and maps from content providers hadn't had any chance to get initialized up to now. Co-authored-by: Andrey Novikov <[email protected]>
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app/src/main/java/mobi/maptrek/plugin/PluginRepository.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| /* | ||
| * Copyright 2022 Andrey Novikov | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify it under the | ||
| * terms of the GNU Lesser General Public License as published by the Free Software | ||
| * Foundation, either version 3 of the License, or (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, but WITHOUT ANY | ||
| * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A | ||
| * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public License along with | ||
| * this program. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| */ | ||
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| package mobi.maptrek.plugin; | ||
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| import android.content.Context; | ||
| import android.content.Intent; | ||
| import android.content.pm.PackageManager; | ||
| import android.content.pm.ResolveInfo; | ||
| import android.content.res.Resources; | ||
| import android.graphics.drawable.Drawable; | ||
| import android.util.Pair; | ||
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| import androidx.annotation.NonNull; | ||
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| import java.util.AbstractMap; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
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| import mobi.maptrek.util.ContextUtils; | ||
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| public final class PluginRepository { | ||
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| private final Context mContext; | ||
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| // Plugins | ||
| private final AbstractMap<String, Intent> mPluginPreferences = new HashMap<>(); | ||
| private final AbstractMap<String, Pair<Drawable, Intent>> mPluginTools = new HashMap<>(); | ||
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| public PluginRepository(@NonNull Context context) { | ||
| mContext = context; | ||
| } | ||
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| public AbstractMap<String, Pair<Drawable, Intent>> getPluginTools() { | ||
| return mPluginTools; | ||
| } | ||
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| public AbstractMap<String, Intent> getPluginPreferences() { | ||
| return mPluginPreferences; | ||
| } | ||
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| public void addPluginEntry(Pair<String, Pair<Drawable, Intent>> entry) { | ||
| mPluginTools.put(entry.first, entry.second); | ||
| } | ||
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| public void initializePlugins() { | ||
| PackageManager packageManager = mContext.getPackageManager(); | ||
| List<ResolveInfo> plugins; | ||
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| // enumerate initializable plugins | ||
| ContextUtils.sendExplicitBroadcast(mContext, "mobi.maptrek.plugins.action.INITIALIZE"); | ||
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| // enumerate plugins with preferences | ||
| plugins = packageManager.queryIntentActivities(new Intent("mobi.maptrek.plugins.preferences"), 0); | ||
| for (ResolveInfo plugin : plugins) { | ||
| Intent intent = new Intent(); | ||
| intent.setClassName(plugin.activityInfo.packageName, plugin.activityInfo.name); | ||
| mPluginPreferences.put(plugin.activityInfo.loadLabel(packageManager).toString(), intent); | ||
| } | ||
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| // enumerate plugins with views | ||
| plugins = packageManager.queryIntentActivities(new Intent("mobi.maptrek.plugins.tool"), 0); | ||
| for (ResolveInfo plugin : plugins) { | ||
| // get menu icon | ||
| Drawable icon = null; | ||
| try { | ||
| Resources resources = packageManager.getResourcesForApplication(plugin.activityInfo.applicationInfo); | ||
| int id = resources.getIdentifier("ic_menu_tool", "drawable", plugin.activityInfo.packageName); | ||
| if (id != 0) | ||
| icon = resources.getDrawable(id, mContext.getTheme()); | ||
| } catch (Resources.NotFoundException | PackageManager.NameNotFoundException e) { | ||
| e.printStackTrace(); | ||
| } | ||
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| Intent intent = new Intent(); | ||
| intent.setClassName(plugin.activityInfo.packageName, plugin.activityInfo.name); | ||
| Pair<Drawable, Intent> pair = new Pair<>(icon, intent); | ||
| mPluginTools.put(plugin.activityInfo.loadLabel(packageManager).toString(), pair); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| /* | ||
| * Copyright 2022 Andrey Novikov | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify it under the | ||
| * terms of the GNU Lesser General Public License as published by the Free Software | ||
| * Foundation, either version 3 of the License, or (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, but WITHOUT ANY | ||
| * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A | ||
| * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public License along with | ||
| * this program. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| */ | ||
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| package mobi.maptrek.util; | ||
|
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| import android.content.Context; | ||
| import android.content.Intent; | ||
| import android.content.pm.PackageManager; | ||
| import android.content.pm.ResolveInfo; | ||
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| import java.util.List; | ||
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| public class ContextUtils { | ||
| public static void sendExplicitBroadcast(Context context, String action) { | ||
| PackageManager packageManager = context.getPackageManager(); | ||
| Intent intent = new Intent(action); | ||
| List<ResolveInfo> plugins = packageManager.queryBroadcastReceivers(intent, 0); | ||
| for (ResolveInfo plugin : plugins) { | ||
| intent = new Intent(action); | ||
| intent.setClassName(plugin.activityInfo.packageName, plugin.activityInfo.name); | ||
| intent.setFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES); | ||
| context.sendBroadcast(intent); | ||
| } | ||
| } | ||
| } |