startop/apps/test/src/LayoutInflation.java

//
// Copyright (C) 2019 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 com.android.startop.test;

import android.app.Activity;
import android.os.Bundle;
import android.os.Trace;
import android.view.LayoutInflater;
import android.view.View;

/**
 * This activity inflates a reasonably complex layout to see the impact of
 * layout inflation. The layout is supported by the viewcompiler, so this can be
 * used for testing precompiled layout performance.
 */
public class LayoutInflation extends Activity {
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        LayoutInflater inflater = LayoutInflater.from(this);
        Trace.beginSection("inflate layout:activity_main");
        View view = inflater.inflate(R.layout.activity_main, /*root=*/null);
        Trace.endSection();
        setContentView(view);
    }
}