Java tutorial
/* * Copyright 2013 2015 Ricki Hirner (bitfire web engineering). * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Public License v3.0 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/gpl.html */ package at.bitfire.davdroid.ui; import android.annotation.SuppressLint; import android.annotation.TargetApi; import android.app.Dialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.pm.PackageManager; import android.graphics.drawable.Drawable; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.os.PowerManager; import android.support.annotation.NonNull; import android.support.v4.app.DialogFragment; import android.support.v7.app.AlertDialog; import java.util.Collections; import java.util.LinkedList; import java.util.List; import java.util.logging.Level; import at.bitfire.davdroid.App; import at.bitfire.davdroid.BuildConfig; import at.bitfire.davdroid.Constants; import at.bitfire.davdroid.R; import at.bitfire.davdroid.model.ServiceDB; import at.bitfire.davdroid.model.Settings; import at.bitfire.davdroid.resource.LocalTaskList; import lombok.Cleanup; public class StartupDialogFragment extends DialogFragment { public static final String HINT_BATTERY_OPTIMIZATIONS = "hint_BatteryOptimizations", HINT_GOOGLE_PLAY_ACCOUNTS_REMOVED = "hint_GooglePlayAccountsRemoved", HINT_OPENTASKS_NOT_INSTALLED = "hint_OpenTasksNotInstalled"; private static final String ARGS_MODE = "mode"; enum Mode { BATTERY_OPTIMIZATIONS, DEVELOPMENT_VERSION, FDROID_DONATE, GOOGLE_PLAY_ACCOUNTS_REMOVED, OPENTASKS_NOT_INSTALLED } public static StartupDialogFragment[] getStartupDialogs(Context context) { List<StartupDialogFragment> dialogs = new LinkedList<>(); @Cleanup ServiceDB.OpenHelper dbHelper = new ServiceDB.OpenHelper(context); Settings settings = new Settings(dbHelper.getReadableDatabase()); if (BuildConfig.VERSION_NAME.contains("-alpha") || BuildConfig.VERSION_NAME.contains("-beta") || BuildConfig.VERSION_NAME.contains("-rc")) dialogs.add(StartupDialogFragment.instantiate(Mode.DEVELOPMENT_VERSION)); else dialogs.add(StartupDialogFragment.instantiate(Mode.FDROID_DONATE)); // battery optimization whitelisting if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && settings.getBoolean(HINT_BATTERY_OPTIMIZATIONS, true)) { PowerManager powerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE); if (!powerManager.isIgnoringBatteryOptimizations(BuildConfig.APPLICATION_ID)) dialogs.add(StartupDialogFragment.instantiate(Mode.BATTERY_OPTIMIZATIONS)); } // OpenTasks information if (!LocalTaskList.tasksProviderAvailable(context) && settings.getBoolean(HINT_OPENTASKS_NOT_INSTALLED, true)) dialogs.add(StartupDialogFragment.instantiate(Mode.OPENTASKS_NOT_INSTALLED)); Collections.reverse(dialogs); return dialogs.toArray(new StartupDialogFragment[dialogs.size()]); } public static StartupDialogFragment instantiate(Mode mode) { StartupDialogFragment frag = new StartupDialogFragment(); Bundle args = new Bundle(1); args.putString(ARGS_MODE, mode.name()); frag.setArguments(args); return frag; } @NonNull @Override @TargetApi(Build.VERSION_CODES.M) @SuppressLint("BatteryLife") public Dialog onCreateDialog(Bundle savedInstanceState) { setCancelable(false); final ServiceDB.OpenHelper dbHelper = new ServiceDB.OpenHelper(getContext()); Mode mode = Mode.valueOf(getArguments().getString(ARGS_MODE)); switch (mode) { case BATTERY_OPTIMIZATIONS: return new AlertDialog.Builder(getActivity()).setTitle(R.string.startup_battery_optimization) .setMessage(R.string.startup_battery_optimization_message) .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }).setNeutralButton(R.string.startup_battery_optimization_disable, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Intent intent = new Intent( android.provider.Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS, Uri.parse("package:" + BuildConfig.APPLICATION_ID)); getContext().startActivity(intent); } }) .setNegativeButton(R.string.startup_dont_show_again, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Settings settings = new Settings(dbHelper.getWritableDatabase()); settings.putBoolean(HINT_BATTERY_OPTIMIZATIONS, false); } }).create(); case DEVELOPMENT_VERSION: return new AlertDialog.Builder(getActivity()).setIcon(R.mipmap.ic_launcher) .setTitle(R.string.startup_development_version) .setMessage(R.string.startup_development_version_message) .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }).setNeutralButton(R.string.startup_development_version_give_feedback, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { startActivity(new Intent(Intent.ACTION_VIEW, Constants.webUri.buildUpon().appendEncodedPath("forums/").build())); } }) .create(); case FDROID_DONATE: return new AlertDialog.Builder(getActivity()).setIcon(R.mipmap.ic_launcher) .setTitle(R.string.startup_donate).setMessage(R.string.startup_donate_message) .setPositiveButton(R.string.startup_donate_now, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { startActivity(new Intent(Intent.ACTION_VIEW, Constants.webUri.buildUpon().appendEncodedPath("donate/").build())); } }).setNegativeButton(R.string.startup_donate_later, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }).create(); case OPENTASKS_NOT_INSTALLED: StringBuilder builder = new StringBuilder(getString(R.string.startup_opentasks_not_installed_message)); if (Build.VERSION.SDK_INT < 23) builder.append("\n\n").append(getString(R.string.startup_opentasks_reinstall_davdroid)); return new AlertDialog.Builder(getActivity()).setIcon(R.drawable.ic_alarm_on_dark) .setTitle(R.string.startup_opentasks_not_installed).setMessage(builder.toString()) .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }).setNeutralButton(R.string.startup_opentasks_not_installed_install, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=org.dmfs.tasks")); if (intent.resolveActivity(getContext().getPackageManager()) != null) getContext().startActivity(intent); else App.log.warning("No market app available, can't install OpenTasks"); } }) .setNegativeButton(R.string.startup_dont_show_again, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Settings settings = new Settings(dbHelper.getWritableDatabase()); settings.putBoolean(HINT_OPENTASKS_NOT_INSTALLED, false); } }).create(); } throw new IllegalArgumentException(/* illegal mode argument */); } private static String installedFrom(Context context) { try { return context.getPackageManager().getInstallerPackageName(context.getPackageName()); } catch (IllegalArgumentException e) { return null; } } }