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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"encoding/xml"
"errors"
"fmt"
"html/template"
)
type manifestXML struct {
Activity activityXML `xml:"application>activity"`
}
type activityXML struct {
Name string `xml:"name,attr"`
MetaData []metaDataXML `xml:"meta-data"`
}
type metaDataXML struct {
Name string `xml:"name,attr"`
Value string `xml:"value,attr"`
}
// manifestLibName parses the AndroidManifest.xml and finds the library
// name of the NativeActivity.
func manifestLibName(data []byte) (string, error) {
manifest := new(manifestXML)
if err := xml.Unmarshal(data, manifest); err != nil {
return "", err
}
if manifest.Activity.Name != "org.golang.app.GoNativeActivity" {
return "", fmt.Errorf("can only build an .apk for GoNativeActivity, not %q", manifest.Activity.Name)
}
libName := ""
for _, md := range manifest.Activity.MetaData {
if md.Name == "android.app.lib_name" {
libName = md.Value
break
}
}
if libName == "" {
return "", errors.New("AndroidManifest.xml missing meta-data android.app.lib_name")
}
return libName, nil
}
type manifestTmplData struct {
JavaPkgPath string
Name string
LibName string
}
var manifestTmpl = template.Must(template.New("manifest").Parse(`
<manifest
xmlns:android="http://schemas.android.com/apk/res/android"
package="{{.JavaPkgPath}}"
android:versionCode="1"
android:versionName="1.0">
<application android:label="{{.Name}}" android:debuggable="true">
<activity android:name="org.golang.app.GoNativeActivity"
android:label="{{.Name}}"
android:configChanges="orientation|keyboardHidden">
<meta-data android:name="android.app.lib_name" android:value="{{.LibName}}" />
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>`))