我在 Android 中有一个活动,它显示为背景图片。当我单击背景时,我使用 anintent
来进行另一个活动......这是我的代码的样子:
public class Precisari extends Activity{
protected boolean _active = true;
protected int _splashTime = 10000;
public SplashThread splashThread;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.precisari);
splashThread=new SplashThread();
}
public class SplashThread extends Thread
{
public SplashThread()
{
}
public void run() {
try {
int waited = 0;
while (_active && (waited < _splashTime)) {
sleep(100);
if (_active) {
waited += 100;
}
}
} catch (InterruptedException e) {
// do nothing
} finally {
//finish();
Intent i = new Intent(getBaseContext(), com.SplashScreen.ConnectWithFb.class);
startActivity(i);
stop();
}
}
}
public boolean onTouchEvent(MotionEvent event){
if(event.getAction()==MotionEvent.ACTION_DOWN){
_active=false;
}
return true;
}
public void onResume(){
super.onResume();
_active=true;
splashThread.start();
}
public void onPause()
{
super.onPause();
splashThread.stop();
}
}
我正在使用我开始的线程onResume()
......这个线程循环,直到布尔_active
变量设置为 false 。当我点击模拟器的屏幕时,变量设置为 false:
public boolean onTouchEvent(MotionEvent event){
if(event.getAction()==MotionEvent.ACTION_DOWN){
_active=false;
}
return true;
}
然后我通过使用意图传递到下一个活动:
Intent i = new Intent(getBaseContext(), com.SplashScreen.ConnectWithFb.class);
线程开始onResume()
并停止在onPause()
。想法是,当我回到这个活动时,我希望同样的想法起作用....当我点击屏幕时传递到下一个活动!
这是我的 logcat 的样子:
Uncaught handler: thread main exiting due to uncaught exception
java.lang.RuntimeException: Unable to resume activity {com.SplashScreen/com.SplashScreen.Precisari}: java.lang.IllegalThreadStateException: Thread already started.
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2950)
at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2965)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1889)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:4363)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.IllegalThreadStateException: Thread already started. at java.lang.Thread.start(Thread.java:1322)
at com.SplashScreen.Precisari.onResume(Precisari.java:101)
at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1149)
at android.app.Activity.performResume(Activity.java:3763)
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2937)
请有人告诉我我做错了什么?