我正在编写一个Twitter应用程序,并遵循Android开发人员的Linkify指南(http://android-deve..linkify-your-text.html)使用户名(例如@ brk3)可点击。接收内容:///使用简单的自定义提供程序的URI(ActivityNotFoundException)
然后,我创建了一个内容提供程序实现来获取单击它们时触发的意图。我的问题是,意图似乎并没有被找到我的供应商,所以就点击我得到下面的异常的链接之一:(例子是用户名点击“Arubin”时)
E/AndroidRuntime(5228): android.content.ActivityNotFoundException: No Activity found to handle Intent {
act=android.intent.action.VIEW dat=content://com.bourke.test/screenname/Arubin (has extras) }
E/AndroidRuntime(5228): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.j
ava:1512)
E/AndroidRuntime(5228): at android.app.Instrumentation.execStartActivity(Instrumentation.java:138
4)
...
这里在relavent一块我AndroidManifest.xml中的:
<application
android:label="@string/app_name"
android:icon="@drawable/ic_launcher"
android:name="TestApplication"
android:uiOptions="splitActionBarWhenNarrow">
<provider
android:name="com.bourke.test.provider.TestProvider"
android:authorities="com.bourke.test.provider" />
<activity android:name="TestActivity"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<data android:mimeType=
"vnd.android.cursor.item/vnd.test.screenname" />;
</intent-filter>
</activity>
...
和提供者:
package com.bourke.test.provider;
public class TestProvider extends ContentProvider {
/* The root authority for this provider */
public static final String AUTHORITY = "com.bourke.test.provider";
private static final String BASE_PATH = "screenname";
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY
+ "/" + BASE_PATH);
public static final int SCREEN_NAMES = 0;
public static final int SCREEN_NAME = 1;
private static final UriMatcher mUriMatcher = new UriMatcher(
UriMatcher.NO_MATCH);
static {
mUriMatcher.addURI(AUTHORITY, BASE_PATH, SCREEN_NAMES);
mUriMatcher.addURI(AUTHORITY, BASE_PATH+"/*", SCREEN_NAME);
}
@Override
public boolean onCreate() {
Log.d(TAG, "XXX: onCreate()");
/* The provider was successfully loaded */
return true;
}
@Override
public int update(Uri uri, ContentValues values, String where,
String[] whereArgs) {
throw new UnsupportedOperationException();
}
@Override
public int delete(Uri uri, String where, String[] whereArgs) {
throw new UnsupportedOperationException();
}
@Override
public Uri insert(Uri uri, ContentValues initialValues) {
throw new UnsupportedOperationException();
}
@Override
public String getType(Uri uri) {
Log.d(TAG, "XXX: getType()");
switch (mUriMatcher.match(uri)) {
case SCREEN_NAMES:
Log.d(TAG, "XXX1: SCREEN_NAMES");
return "vnd.android.cursor.dir/vnd.test.screenname";
case SCREEN_NAME:
Log.d(TAG, "XXX2: SCREEN_NAME");
return "vnd.android.cursor.item/vnd.test.screenname";
default:
// any other kind of URL is illegal
throw new IllegalArgumentException("Unknown URL " + uri);
}
}
@Override
public Cursor query(Uri uri, String[] projection, String selection,
String[] selectionArgs, String sort) {
throw new UnsupportedOperationException();
}
}
正如你可以看到我真的不关心使用的后台数据库,尽管它可能是有用的在不久的将来添加。现在,我只是希望能够获取内容://com.bourke.test/screenname/风格的URI,因此我的活动可以使Twitter API调用显示相应用户的信息。
任何反馈或信息,为什么这是崩溃将是非常有益的。
添加
.provider
当你调用这个ContentUri或删除它你肯定,你不不要错过在您的清单中添加Internet权限? – Hiral 2012-02-27 12:33:25谢谢,但我已经在那里获取推文,所有这些都在工作。我只是没有粘贴完整的文件。 – brk3 2012-02-27 12:36:40
你调用'content:// com.bourke.test /'content Uri,但你将其定义为'content:// com.bourke.test.provider /' – Selvin 2012-02-27 12:43:08