ApplicationProvider.java
/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.test.core.app;
import android.content.Context;
import androidx.test.platform.app.InstrumentationRegistry;
/**
* Provides ability to retrieve the current application {@link Context} in tests.
*
* <p>This can be useful if you need to access the application assets (eg
* <i>getApplicationContext().getAssets()</i>), preferences (eg
* <i>getApplicationContext().getSharedPreferences()</i>), file system (eg
* <i>getApplicationContext().getDir()</i>) or one of the many other context APIs in test.
*/
public final class ApplicationProvider {
private ApplicationProvider() {}
/**
* Returns the application {@link android.content.Context} for the application under test.
*
* @see {@link android.content.Context#getApplicationContext()}
*/
@SuppressWarnings("unchecked")
public static <T extends Context> T getApplicationContext() {
return (T)
InstrumentationRegistry.getInstrumentation().getTargetContext().getApplicationContext();
}
}