content: /*
   * Copyright (C) 2021 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.ui.app;
  
  import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
  
  import android.app.Activity;
  import android.content.Intent;
  import android.os.Bundle;
  import android.widget.FrameLayout;
  import android.widget.FrameLayout.LayoutParams;
  import android.widget.TextView;
  import java.util.Locale;
  
  /** An activity displaying many views, enough to truncate view hierarchy during tests. */
  public class TruncatedViewHierarchyActivity extends Activity {
  
    public static final String LEVEL_INTENT_KEY =
        "androidx.test.ui.app.TruncatedViewHierarchyActivity.LEVEL";
  
    @Override
    public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.truncated_view_activity);
  
      int level = 3;
      Intent intent = getIntent();
      if (intent != null) {
        level = intent.getIntExtra(LEVEL_INTENT_KEY, level);
      }
  
      FrameLayout container = findViewById(R.id.container);
      insertGroup(container, level, 800, 0, 0);
    }
  
    private void insertGroup(FrameLayout container, int level, int size, int offsetX, int offsetY) {
      FrameLayout group = new FrameLayout(container.getContext());
      LayoutParams params = new LayoutParams(size, size);
      params.leftMargin = offsetX;
      params.topMargin = offsetY;
      int id = Integer.parseInt(String.format(Locale.US, "%d%03d%03d", level, offsetX, offsetY));
      group.setId(id);
      container.addView(group, params);
  
      TextView text = new TextView(container.getContext());
      LayoutParams paramsTxt = new LayoutParams(WRAP_CONTENT, WRAP_CONTENT);
      paramsTxt.leftMargin = level;
      paramsTxt.topMargin = level;
      text.setText(String.format(Locale.US, "%d - %d - %dx%d", level, size, offsetX, offsetY));
      text.setId(id + 1);
      group.addView(text, paramsTxt);
  
      if (level > 0) {
        int size2 = size / 2;
        int level1 = level - 1;
        insertGroup(group, level1, size2, offsetX, offsetY);
        insertGroup(group, level1, size2, offsetX + size2, offsetY);
        insertGroup(group, level1, size2, offsetX + size2, offsetY);
        insertGroup(group, level1, size2, offsetX, offsetY + size2);
      }
    }
  }
  