一、錯誤:Unknown host api.tudou.com, throwing UnknownHostException。
解決辦法:在AndroidManifest.xml中添加
二、Unable to find explicit activity class have you declared this activity in your AndroidManifest.xml?
解決辦法:在AndroidManifest.xml的application段添加聲明:,詳情見:
https://stackoverflow.com/questions/736571/using-intent-in-an-android-application-to-show-another-activity
三、ListActivity setContentView錯誤:
代碼及相關xml如下:
main.xml:
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:drawSelectorOnTop="false"/>
tudouPlayer.java:
public class tudouPlayer extends ListActivity implements OnClickListener {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
}
編譯不會報錯,運行時,adb打出來的錯誤為:
E/AndroidRuntime( 701): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.java.tudouPlayer/com.java.tudouPlayer.tudouPlayer}: java.lang.RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
解決辦法:
將main.xml中,上面貼出來的那段改為(原因見註釋):
<!– Here is the list. Since we are using a ListActivity, we
have to call it "@android:id/list" so ListActivity will
find it –>
<ListView android:id="@android:id/list"(在ListActivity中的main.xml中不能用android:id = "@+id/list"來加list的id,不然adb 也會報錯setContentView(R.layout.main);)
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:drawSelectorOnTop="false"/>
摘自Tony的攻城學習博客