我正在android中工作。我想製作TabHost和Tab小部件。這是我的清單: -Android:未找到活動例外
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.pericent"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".HelloTabWidget" android:label="@string/app_name" android:theme="@android:style/Theme.NoTitleBar" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<Acivity android:name=".AlbumsActivity" android:label="@string/app_name" />
<activity android:name=".ArtistsActivity" android:label="@string/app_name" />
<Acivity android:name=".SongsActivity" android:label="@string/app_name" />
</application>
</manifest>
,這是我HelloTabWidget.java 包com.pericent;
import android.app.TabActivity;
import android.content.Intent;
import android.content.res.Resources;
import android.os.Bundle;
import android.util.Log;
import android.widget.TabHost;
public class HelloTabWidget extends TabActivity {
private String TAG="HelloTabWidget";
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Resources res = getResources(); // Resource object to get Drawables
TabHost tabHost = getTabHost(); // The activity TabHost
TabHost.TabSpec spec; // Resusable TabSpec for each tab
Intent intent1; // Reusable Intent for each tab
Intent intent2;
Intent intent3;
intent2 = new Intent().setClass(this, AlbumsActivity.class);
Log.v(TAG,"---album activity is called---");
spec = tabHost.newTabSpec("albums").setIndicator("Albums",res.getDrawable(R.drawable.ic_tab_albums)).setContent(intent2);
tabHost.addTab(spec);
// Create an Intent to launch an Activity for the tab (to be reused)
intent1 = new Intent().setClass(this, ArtistsActivity.class);
Log.v(TAG,"---artist activity is called---");
// Initialize a TabSpec for each tab and add it to the TabHost
spec = tabHost.newTabSpec("artists").setIndicator("Artists",res.getDrawable(R.drawable.ic_tab_artists)).setContent(intent1);
tabHost.addTab(spec);
// Do the same for the other tabs
}
}
每當我跑這個項目這個創建一個錯誤,「無法啓動活動ComponentInfo {com.pericent/com.pericent.HelloTabWidget}:android.content.ActivityNotFoundException:無法找到明確的活動類{COM .pericent/com.pericent.AlbumsActivity};你是否在你的AndroidManifest.xml中聲明瞭這個活動?「
但是正如你所看到的,我在manifest文件中聲明瞭這個類。請檢查這一點,並幫助找出我所做的錯誤。 預先感謝您。
您的清單中存在拼寫錯誤,部分文件丟失。 '
Ronnie