1. 如何将xml布局用作首选项的布局视图? 2. 如何将此自定义首选项添加到PreferenceActivity中,以便在点击时启动?
谢谢
*编辑以回应alibi
我试图从首选项屏幕中声明要启动的活动启动一个活动,这会导致以下异常:
04-01 19:04:37.962: ERROR/AndroidRuntime(8061): android.content.ActivityNotFoundException: Unable to find explicit activity class {com.me/CustomPrefScreen}; have you declared this activity in your AndroidManifest.xml?
*另一个更新。 但是,如果我在settings.xml中将PrefrenceScreen替换为Preference的某个扩展,该扩展覆盖了onClick()以启动CustomPrefScreen,则一切正常。
主要偏好设置活动:
public class MyPreferences extends PreferenceActivity
{
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.settings);
}
}
settings.xml
<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
<PreferenceScreen
android:summary="my summary"
android:title="my title">
<intent android:action="android.intent.action.MAIN"
android:targetPackage="com.me"
android:targetClass="CustomPrefScreen"/>
</PreferenceScreen>
</PreferenceScreen>
清单文件
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.me"
android:versionCode="1"
android:versionName="1.0">
<application
android:icon="@drawable/icon"
android:label="@string/app_name"
android:theme="@style/Theme.NoBackground">
<activity
android:name=".MyApp"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".CustomPrefScreen"
android:label="@string/app_name">
</activity>
<activity
android:name=".MyPreferences"
android:label="@string/app_name">
</activity>
</application>
<uses-sdk android:minSdkVersion="4" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
</manifest>