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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 package org.chromium.webview_shell; | 5 package org.chromium.webview_shell; |
6 | 6 |
| 7 import android.annotation.SuppressLint; |
7 import android.app.Activity; | 8 import android.app.Activity; |
8 import android.content.Intent; | 9 import android.content.Intent; |
9 import android.os.Bundle; | 10 import android.os.Bundle; |
10 import android.view.ViewGroup; | 11 import android.view.ViewGroup; |
11 import android.webkit.WebSettings; | 12 import android.webkit.WebSettings; |
12 import android.webkit.WebView; | 13 import android.webkit.WebView; |
13 import android.webkit.WebViewClient; | 14 import android.webkit.WebViewClient; |
14 import android.widget.RelativeLayout; | 15 import android.widget.RelativeLayout; |
15 | 16 |
16 /** | 17 /** |
17 * This activity always has at most one live webview. Any previously exisisting | 18 * This activity always has at most one live webview. Any previously exisisting |
18 * webview instance is destroyed first before creating a new one. This activity | 19 * webview instance is destroyed first before creating a new one. This activity |
19 * is designed for testing create/destroy webview sequence, for catching potenti
al | 20 * is designed for testing create/destroy webview sequence, for catching potenti
al |
20 * memory leaks and memory benchmarking. | 21 * memory leaks and memory benchmarking. |
21 * | 22 * |
22 * Note that this activity does not destroy any webviews in other activities. Fo
r | 23 * Note that this activity does not destroy any webviews in other activities. Fo
r |
23 * example launching TelemetryActivity followed by WebViewCreateDestroyActivity | 24 * example launching TelemetryActivity followed by WebViewCreateDestroyActivity |
24 * will yield two webview instances in total. | 25 * will yield two webview instances in total. |
25 */ | 26 */ |
26 public class WebViewCreateDestroyActivity extends Activity { | 27 public class WebViewCreateDestroyActivity extends Activity { |
| 28 @SuppressLint("StaticFieldLeak") |
27 private static WebView sWebView; | 29 private static WebView sWebView; |
28 | 30 |
29 @Override | 31 @Override |
30 protected void onDestroy() { | 32 protected void onDestroy() { |
31 destroyWebViewIfExists(); | 33 destroyWebViewIfExists(); |
32 super.onDestroy(); | 34 super.onDestroy(); |
33 } | 35 } |
34 | 36 |
35 @Override | 37 @Override |
36 protected void onCreate(Bundle savedInstanceState) { | 38 protected void onCreate(Bundle savedInstanceState) { |
(...skipping 40 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
77 RelativeLayout layout = (RelativeLayout) findViewById(R.id.emptyview); | 79 RelativeLayout layout = (RelativeLayout) findViewById(R.id.emptyview); |
78 layout.removeView(sWebView); | 80 layout.removeView(sWebView); |
79 sWebView.destroy(); | 81 sWebView.destroy(); |
80 sWebView = null; | 82 sWebView = null; |
81 } | 83 } |
82 | 84 |
83 private static String getUrlFromIntent(Intent intent) { | 85 private static String getUrlFromIntent(Intent intent) { |
84 return intent != null ? intent.getDataString() : null; | 86 return intent != null ? intent.getDataString() : null; |
85 } | 87 } |
86 } | 88 } |
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