core/tests/coretests/src/android/app/assist/EmptyLayoutActivity.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 android.app.assist;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.WindowManager.LayoutParams;
import android.widget.LinearLayout;

import com.android.frameworks.coretests.R;

public class EmptyLayoutActivity extends Activity {

    private LinearLayout mParent;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.empty_layout);

        mParent = findViewById(R.id.parent);
    }

    public void addView(View view) {
        view.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT,
                LayoutParams.WRAP_CONTENT));
        runOnUiThread(() -> mParent.addView(view));
    }
}