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/*
* 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();
}
}
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