794b6b35ce
Summary: We would like to know some numbers on benchmarking `YogaLayout` against other layouts, particularly `LinearLayout`. This implements a `BenchmarkActivity` to fill that need. Reviewed By: emilsjolander Differential Revision: D4565531 fbshipit-source-id: fe1c558beb603c3116ac3d0dd6654b0376dd6b8a
111 lines
3.3 KiB
Java
111 lines
3.3 KiB
Java
// Copyright 2004-present Facebook. All Rights Reserved.
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package com.facebook.samples.yoga;
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import java.util.Random;
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import android.os.Bundle;
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import android.support.v4.app.Fragment;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.ViewParent;
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import android.widget.LinearLayout;
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import android.widget.Spinner;
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import android.widget.TextView;
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import android.widget.ArrayAdapter;
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import android.widget.AdapterView;
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import com.facebook.samples.yoga.R;
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import com.facebook.yoga.android.YogaLayout;
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public class BenchmarkFragment extends Fragment implements AdapterView.OnItemSelectedListener {
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private LayoutInflater mInflater;
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protected com.facebook.yoga.android.YogaLayout rootLayout;
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protected int yogaLayout;
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protected int linearLayout;
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static final Random random = new Random();
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static void randomizeText(View root) {
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if (root instanceof TextView) {
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((TextView) root).setText("" + random.nextInt(1000));
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((TextView) root).setTextSize(10 + random.nextInt(20));
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ViewParent parent = root.getParent();
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if (parent instanceof YogaLayout) {
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((YogaLayout) parent).invalidate(root);
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}
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} else if (root instanceof ViewGroup) {
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for (int i = 0; i < ((ViewGroup) root).getChildCount(); i++) {
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randomizeText(((ViewGroup) root).getChildAt(i));
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}
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}
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}
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public BenchmarkFragment() {
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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}
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@Override
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public View onCreateView(
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LayoutInflater inflater,
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ViewGroup container,
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Bundle savedInstanceState) {
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mInflater = inflater;
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rootLayout = (YogaLayout) inflater.inflate(
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R.layout.benchmark_fragment,
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container,
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false);
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Spinner benchmarkSelect = (Spinner) rootLayout.findViewById(R.id.benchmarkSelect);
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String[] items = new String[]{"Basic", "Typical", "Nested"};
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ArrayAdapter<String> adapter = new ArrayAdapter<>(getActivity(), android.R.layout.simple_spinner_dropdown_item, items);
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benchmarkSelect.setAdapter(adapter);
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benchmarkSelect.setOnItemSelectedListener(this);
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return rootLayout;
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}
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@Override
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public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
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switch (pos) {
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case 0:
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yogaLayout = R.layout.benchmark_layout_1;
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linearLayout = R.layout.benchmark_layout_1_linear;
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break;
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case 1:
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yogaLayout = R.layout.benchmark_layout_2;
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linearLayout = R.layout.benchmark_layout_2_linear;
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break;
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case 2:
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default:
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yogaLayout = R.layout.benchmark_layout_3;
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linearLayout = R.layout.benchmark_layout_3_linear;
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break;
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}
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updatePreview();
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}
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@Override
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public void onNothingSelected(AdapterView<?> parent) {
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yogaLayout = R.layout.benchmark_layout_1;
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linearLayout = R.layout.benchmark_layout_1_linear;
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updatePreview();
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}
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private void updatePreview() {
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LinearLayout previewLayout = (LinearLayout) rootLayout.findViewById(R.id.preview);
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View v = mInflater.inflate(yogaLayout, rootLayout, false);
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v.setLayoutParams(new LinearLayout.LayoutParams(
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LinearLayout.LayoutParams.MATCH_PARENT,
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LinearLayout.LayoutParams.MATCH_PARENT));
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previewLayout.removeAllViews();
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previewLayout.addView(v);
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}
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}
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