| /* |
| * Copyright (C) 2012 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.test.hwui; |
| |
| |
| import android.app.Activity; |
| import android.os.Bundle; |
| import android.view.ViewGroup; |
| import android.widget.LinearLayout; |
| import android.widget.ScrollView; |
| import android.widget.TextView; |
| |
| import static android.widget.LinearLayout.LayoutParams; |
| |
| public class GlyphCacheActivity extends Activity { |
| |
| private static final String mCharacterSet = "abcdefghijklmnopqrstuvwxyz" + |
| "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "0123456789" + "~!@#$%^&*()_+-={}[]:\";'<>?,./"; |
| private int mTotalChars = 0; |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| ScrollView scrollView = new ScrollView(this); |
| scrollView.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, |
| ViewGroup.LayoutParams.MATCH_PARENT)); |
| LinearLayout layout = new LinearLayout(this); |
| layout.setOrientation(LinearLayout.VERTICAL); |
| layout.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, |
| ViewGroup.LayoutParams.WRAP_CONTENT)); |
| scrollView.addView(layout); |
| |
| while (mTotalChars < 10000) { |
| layout.addView(createTextView()); |
| } |
| setContentView(scrollView); |
| } |
| |
| private TextView createTextView() { |
| TextView textview = new TextView(this); |
| textview.setTextSize(6 + (int) (Math.random() * 5) * 10); |
| textview.setTextColor(0xff << 24 | (int) (Math.random() * 255) << 16 | |
| (int) (Math.random() * 255) << 8 | (int) (Math.random() * 255) << 16); |
| textview.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, |
| ViewGroup.LayoutParams.WRAP_CONTENT)); |
| int numChars = 5 + (int) (Math.random() * 10); |
| mTotalChars += numChars; |
| textview.setText(createString(numChars)); |
| |
| return textview; |
| } |
| |
| private String createString(int length) { |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < length; i++) { |
| sb.append(mCharacterSet.charAt((int)(Math.random() * mCharacterSet.length()))); |
| } |
| return sb.toString(); |
| } |
| } |