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Chromium内核浏览器编译记(一)踩坑实录
Chromium内核浏览器编译记(二)UI定制
0.写在前面
最近因为业务需求,需要编译最新版本的Chromium内核,目前最新的版本是116.0.5845.59,编译的过程中发现有一些代码逻辑修改的地方都变了,所以在此记录下,分享给大家。
定制需求是这样的:
-
修改包名、版本号、应用图标、应用名称
-
不显示应用第一次启动时的设置引导页
-
应用全屏显示,移除首页的所有菜单栏
-
增加点击两次退出应用的功能
-
默认不加载新标签页
1.修改包名
源码路径:/chromium/src/chrome/android/chrome_public_apk_tmpl.gni
将下面两个属性的值替换成你要修改的包名就可以了:
chrome_public_manifest_package = "org.chromium.chrome"
chrome_public_test_manifest_package = "org.chromium.chrome.tests"
2.修改版本号
源码路径:/chromium/src/build/config/android/config.gni
将下面四个属性的值替换成你要修改的版本号就可以了:
android_default_version_code = "10000"
android_default_version_name = "1.00.00"
android_override_version_code = "10000"
android_override_version_name = "1.00.00"
3.修改应用图标
源码路径:/chromium/src/chrome/android/java/res_chromium_base
在这个目录下,有几个mipmap文件夹,把里面的图标替换下就可以,和AS项目是一样的。
4.修改应用名称
源码路径:/chromium/src/chrome/android/java/res_chromium_base/values/channel_constants.xml
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<string name="app_name" translatable="false">应用名称</string>
</resources>
5.屏蔽启动引导页
源码路径:/chromium/src/chrome/android/java/src/org/chromium/chrome/browser/init/AsyncInitializationActivity.java
将requiresFirstRunToBeCompleted方法的返回值修改为false:
/**
* Overriding this function is almost always wrong.
* @return Whether or not the user needs to go through First Run before using this Activity.
*/
protected boolean requiresFirstRunToBeCompleted(Intent intent) {
return false;
}
源码路径:/chromium/src/chrome/android/java/src/org/chromium/chrome/browser/LaunchIntentDispatcher.java
删除或注释掉dispatch方法中下面的判断逻辑:
// Check if we should push the user through First Run.
if (FirstRunFlowSequencer.launch(mActivity, mIntent, false /* requiresBroadcast */,
false /* preferLightweightFre */)) {
return Action.FINISH_ACTIVITY;
}
6.应用全屏显示
源码路径:/chromium/src/chrome/android/java/res/values/styles.xml
在上面的源码中,找到Base.Theme.Chromium.WithWindowAnimation主题,增加下面的全屏设置属性:
<style name="Base.Theme.Chromium.WithWindowAnimation">
...
<item name="windowNoTitle">true</item>
<item name="windowActionBar">false</item>
<item name="android:windowFullscreen">true</item>
<item name="android:windowActionBar">false</item>
</style>
7.移除首页的所有菜单栏
源码路径:/chromium/src/chrome/android/java/res_app/layout/main.xml
在CoordinatorLayoutForPointer控件中,增加layout_marginTop属性,其实是往上移动了UI,把菜单栏隐藏了:
<merge
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
...
<org.chromium.components.browser_ui.widget.CoordinatorLayoutForPointer
android:id="@+id/coordinator"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:layout_marginTop="-96dp">
</mergr>
8.增加点击两次退出应用的功能
源码路径:/chromium/src/chrome/android/java/src/org/chromium/chrome/browser/app/ChromeActivity.java
在ChromeActivity类中增加下面的方法:
public int getTabsCount() {
TabModelSelector modelSelector = getTabModelSelector();
if (modelSelector == null) return 0;
return modelSelector.getTotalTabCount();
}
源码路径:/chromium/src/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
修改minimizeAppAndCloseTabOnBackPress方法:
private boolean mExitApp;
private boolean minimizeAppAndCloseTabOnBackPress(@Nullable Tab currentTab) {
if (currentTab == null) {
BackPressManager.record(BackPressHandler.Type.MINIMIZE_APP_AND_CLOSE_TAB);
MinimizeAppAndCloseTabBackPressHandler.record(MinimizeAppAndCloseTabType.MINIMIZE_APP);
assertOnLastBackPress();
moveTaskToBack(true);
return true;
}
// TAB history handler has a higher priority and should navigate page back before
// minimizing app and closing tab.
assert !currentTab.canGoBack()
: "Tab should be navigated back before closing or exiting app";
final boolean shouldCloseTab = backShouldCloseTab(currentTab);
final WebContents webContents = currentTab.getWebContents();
// Minimize the app if either:
// - we decided not to close the tab
// - we decided to close the tab, but it was opened by an external app, so we will go
// exit Chrome on top of closing the tab
final boolean minimizeApp = false;
BackPressManager.record(BackPressHandler.Type.MINIMIZE_APP_AND_CLOSE_TAB);
assertOnLastBackPress();
if (minimizeApp) {
if (shouldCloseTab) {
MinimizeAppAndCloseTabBackPressHandler.record(
MinimizeAppAndCloseTabType.MINIMIZE_APP_AND_CLOSE_TAB);
sendToBackground(currentTab);
} else {
MinimizeAppAndCloseTabBackPressHandler.record(
MinimizeAppAndCloseTabType.MINIMIZE_APP);
sendToBackground(null);
}
return true;
} else if (shouldCloseTab) {
if (getTabsCount() > 1) {
MinimizeAppAndCloseTabBackPressHandler.record(MinimizeAppAndCloseTabType.CLOSE_TAB);
if (webContents != null) webContents.dispatchBeforeUnload(false);
return true;
}
if (mExitApp) {
MinimizeAppAndCloseTabBackPressHandler.record(MinimizeAppAndCloseTabType.CLOSE_TAB);
if (webContents != null) webContents.dispatchBeforeUnload(false);
return false;
}
Toast.makeText(this, "再按一次退出", Toast.LENGTH_SHORT).show();
mExitApp = true;
new Timer().schedule(new TimerTask() {
@Override
public void run() {
mExitApp = false;
}
}, 2000);
return true;
}
return false;
}
9.默认不加载新标签页
源码路径:/chromium/src/components/embedder_support/android/java/src/org/chromium/components/embedder_support/util/UrlConstants.java
把下面两个参数,改成你想要显示的网页地址就可以了:
public static final String NTP_URL = "chrome-native://newtab/";
public static final String NTP_NON_NATIVE_URL = "chrome://newtab/";
10.导航栏背景
新版本的浏览器,底部导航栏背景是白色的,如果有修改背景颜色的需求,可以改这里:
源码路径:/chromium/src/chrome/android/java/src/org/chromium/chrome/browser/tabbed_mode/TabbedNavigationBarColorController.java
把updateNavigationBarColor方法中,setNavigationBarIconColor参数改成false:
@SuppressLint("NewApi")
private void updateNavigationBarColor() {
...
UiUtils.setNavigationBarIconColor(mRootView, false);
}
修改下面两个方法,冒号后面修改成你想要设置的导航栏背景颜色就可以了:
private @ColorInt int getNavigationBarColor(boolean forceDarkNavigationBar) {
return forceDarkNavigationBar
? mContext.getColor(R.color.toolbar_background_primary_dark)
: mContext.getColor(R.color.navigation_bubble_arrow);
}
private @ColorInt int getNavigationBarDividerColor(boolean forceDarkNavigationBar) {
return forceDarkNavigationBar
? mContext.getColor(R.color.bottom_system_nav_divider_color_light)
: mContext.getColor(R.color.navigation_bubble_arrow);
}
11.遇到的问题
更新源码的时候,遇到这个提示:
NOTICE: You have PROXY values set in your environment, but gsutilin depot_tools does not (yet) obey them.
Also, --no_auth prevents the normal BOTO_CONFIG environmentvariable from being used.
To use a proxy in this situation, please supply those settingsin a .boto file pointed to by the NO_AUTH_BOTO_CONFIG environmentvariable.
被墙了,已经设置了全局代理,还需要再加个配置,将下面的配置保存成文件**.boto**,然后配置下环境变量:
[boto]
proxy=127.0.0.1
proxy_port=端口号
环境变量:
export PATH="$PATH:$HOME/.boto"
注意:文章中是把depot_tool下载到了【home/用户名】目录下,所以使用【$HOME】代表,环境变量要根据实际下载的路径修改。
12.编译脚本
最后在附上args.gn编译脚本:文章来源:https://www.toymoban.com/news/detail-822190.html
target_os = "android"
target_cpu = "arm"
# Release版本
is_debug = false
# 不允许远程调试
enable_remoting = false
# 使用Chrome官方的编译优化建议
is_official_build = true
# 分散链接编译
is_component_build = false
# 不使用官方API秘钥
use_official_google_api_keys = false
# 关闭支持NACL,这是一种Chrome插件,因为安全性,稳定性存在问题,已经很少使用了
enable_nacl = false
# 支持H264编码
proprietary_codecs = true
# 解码器
ffmpeg_branding = "Chrome"
# 解决不能播放MP4格式的视频问题
rtc_use_h264 = true
declare_args(){
# 整体优化,对整个程序的多个编译单元进行全局优化,获取更好的性能和代码体积优化
full_wpo_on_official = true
# 删除内核层支持调试的符号文件
remove_webcore_debug_symbols = false
# 初始化FFmpeg
rtc_initialize_ffmpeg = true
# 支持OpenH264
use_openh264 = true
}
13.写在最后
到这里,Chromium源码的UI定制就完成了,有问题可以给我留言评论,谢谢。文章来源地址https://www.toymoban.com/news/detail-822190.html
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