88 lines
2.7 KiB
Java
88 lines
2.7 KiB
Java
/*
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* Copyright (C) 2012-2019 Jorrit "Chainfire" Jongma
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package eu.chainfire.libsuperuser;
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import android.content.Context;
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import android.os.Handler;
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import android.widget.Toast;
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import androidx.annotation.AnyThread;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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/**
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* Base application class to extend from, solving some issues with
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* toasts and AsyncTasks you are likely to run into
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*/
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@SuppressWarnings("WeakerAccess")
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public class Application extends android.app.Application {
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/**
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* Shows a toast message
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*
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* @param context Any context belonging to this application
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* @param message The message to show
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*/
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@AnyThread
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public static void toast(@Nullable Context context, @NonNull String message) {
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// this is a static method so it is easier to call,
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// as the context checking and casting is done for you
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if (context == null) return;
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if (!(context instanceof Application)) {
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context = context.getApplicationContext();
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}
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if (context instanceof Application) {
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final Context c = context;
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final String m = message;
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((Application) context).runInApplicationThread(new Runnable() {
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@Override
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public void run() {
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Toast.makeText(c, m, Toast.LENGTH_LONG).show();
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}
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});
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}
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}
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private static final Handler mApplicationHandler = new Handler();
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/**
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* Run a runnable in the main application thread
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*
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* @param r Runnable to run
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*/
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@AnyThread
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public void runInApplicationThread(@NonNull Runnable r) {
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mApplicationHandler.post(r);
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}
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@Override
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public void onCreate() {
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super.onCreate();
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try {
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// workaround bug in AsyncTask, can show up (for example) when you toast from a service
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// this makes sure AsyncTask's internal handler is created from the right (main) thread
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Class.forName("android.os.AsyncTask");
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} catch (ClassNotFoundException e) {
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// will never happen
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}
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}
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}
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