後自動啓動新的活動我還是很新的這一點,我的工作我的第一個應用程序。我遇到的問題是這個。明確意圖到閃屏
我有工作正常啓動畫面,但我不斷收到一個錯誤,當它進入切換到新的活動。我知道問題出在意圖,但我不知道它是什麼或如何解決它。我的代碼是:
splashTread = new Thread() {
@Override
public void run() {
try {
synchronized(this){
//wait 5 sec
wait(_splashTime);
}
} catch(InterruptedException e) {}
finally {
finish();
//start a new activity
Intent intent = new Intent(MAIN.this, Home.class);
startActivity(intent);
stop();
和貓日誌:
02-12 13:01:46.009: D/AndroidRuntime(753): Shutting down VM
02-12 13:01:46.009: W/dalvikvm(753): threadid=1: thread exiting with uncaught exception (group=0x4001e560)
02-12 13:01:46.049: E/AndroidRuntime(753): FATAL EXCEPTION: main
02-12 13:01:46.049: E/AndroidRuntime(753): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.madonk.LAFEST/com.madonk.LAFEST.Home}: java.lang.ClassCastException: android.widget.LinearLayout
02-12 13:01:46.049: E/AndroidRuntime(753): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1702)
02-12 13:01:46.049: E/AndroidRuntime(753): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1722)
02-12 13:01:46.049: E/AndroidRuntime(753): at android.app.ActivityThread.access$1500(ActivityThread.java:124)
02-12 13:01:46.049: E/AndroidRuntime(753): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:974)
02-12 13:01:46.049: E/AndroidRuntime(753): at android.os.Handler.dispatchMessage(Handler.java:99)
02-12 13:01:46.049: E/AndroidRuntime(753): at android.os.Looper.loop(Looper.java:130)
02-12 13:01:46.049: E/AndroidRuntime(753): at android.app.ActivityThread.main(ActivityThread.java:3821)
02-12 13:01:46.049: E/AndroidRuntime(753): at java.lang.reflect.Method.invokeNative(Native Method)
02-12 13:01:46.049: E/AndroidRuntime(753): at java.lang.reflect.Method.invoke(Method.java:507)
02-12 13:01:46.049: E/AndroidRuntime(753): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
02-12 13:01:46.049: E/AndroidRuntime(753): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
02-12 13:01:46.049: E/AndroidRuntime(753): at dalvik.system.NativeStart.main(Native Method)
02-12 13:01:46.049: E/AndroidRuntime(753): Caused by: java.lang.ClassCastException: android.widget.LinearLayout
02-12 13:01:46.049: E/AndroidRuntime(753): at android.app.ListActivity.onContentChanged(ListActivity.java:241)
02-12 13:01:46.049: E/AndroidRuntime(753): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:256)
02-12 13:01:46.049: E/AndroidRuntime(753): at android.app.Activity.setContentView(Activity.java:1716)
02-12 13:01:46.049: E/AndroidRuntime(753): at com.madonk.LAFEST.Home.onCreate(Home.java:11)
02-12 13:01:46.049: E/AndroidRuntime(753): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
02-12 13:01:46.049: E/AndroidRuntime(753): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1666)
02-12 13:01:46.049: E/AndroidRuntime(753): ... 11 more
首頁活動
package com.madonk.LAFEST;
import android.app.ListActivity;
import android.os.Bundle;
public class Home extends ListActivity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.home);
}
}
好像你家的活動是麻煩製造者。從Home.class發佈代碼plz – ezcoding 2012-02-12 18:08:19
它不能成爲家庭活動,因爲我沒有改變它。它調用了xml文件,就是這樣。 – Madonk 2012-02-12 18:23:37
這很奇怪。導致此行在這裏說不同: 「02-12 13:01:46.049:E/AndroidRuntime(753):java.lang.RuntimeException:無法啓動活動ComponentInfo {com.madonk.LAFEST/com.madonk.LAFEST.Home }:java.lang.ClassCastException:android.widget.LinearLayout「 – ezcoding 2012-02-12 18:32:25