1 /* 2 * Copyright 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.example.android.supportv4.widget; 17 18 import android.os.Bundle; 19 import android.view.LayoutInflater; 20 import android.view.View; 21 import android.view.ViewGroup; 22 import android.widget.LinearLayout; 23 import android.widget.TextView; 24 25 import androidx.fragment.app.Fragment; 26 27 import com.example.android.supportv4.R; 28 29 import org.jspecify.annotations.NonNull; 30 import org.jspecify.annotations.Nullable; 31 32 /** 33 * Simple LinearLayout with ~50 TextViews. 34 */ 35 public class PreferenceScreenDetailsTemplateFragment extends Fragment { 36 37 @Override onCreateView( @onNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState )38 public @NonNull View onCreateView( 39 @NonNull LayoutInflater inflater, 40 @Nullable ViewGroup container, 41 @Nullable Bundle savedInstanceState 42 ) { 43 View view = inflater.inflate( 44 R.layout.fragment_preference_screen_details_template, 45 container, 46 false 47 ); 48 49 LinearLayout linearLayout = view.findViewById(R.id.linear_layout); 50 51 for (int index = 1; index <= 50; index++) { 52 TextView textView = new TextView(getContext()); 53 textView.setText("TextView " + index); 54 textView.setFocusable(true); 55 textView.setFocusableInTouchMode(true); // For keyboard/touch based focus 56 textView.setPadding(16, 16, 16, 16); 57 58 linearLayout.addView(textView); 59 } 60 return view; 61 } 62 } 63