[英]NoClassDefFoundError on implementing Runnable class in android studio
我的代码不断出现NoClassDefFoundError。 这是代码:
handler.postDelayed(check = new Runnable() {
@Override
public void run() {
if (foreground && paused) {
foreground = false;
Log.i(TAG, "went background");
for (Listener l : listeners) {
try {
l.onBecameBackground();
} catch (Exception exc) {
Log.e(TAG, "Listener threw exception!", exc);
}
}
} else {
Log.i(TAG, "still foreground");
}
}
}
, CHECK_DELAY);
分配new Runnable()
进行check
时发生错误
我试图分离Runnable
,但没有成功
final Runnable temp = new Runnable() {
@Override
public void run() {
if (foreground && paused) {
foreground = false;
Log.i(TAG, "went background");
for (Listener l : listeners) {
try {
l.onBecameBackground();
} catch (Exception exc) {
Log.e(TAG, "Listener threw exception!", exc);
}
}
} else {
Log.i(TAG, "still foreground");
}
}
};
handler.postDelayed(check = new Runnable() {
@Override
public void run() {
if (foreground && paused) {
foreground = false;
Log.i(TAG, "went background");
for (Listener l : listeners) {
try {
l.onBecameBackground();
} catch (Exception exc) {
Log.e(TAG, "Listener threw exception!", exc);
}
}
} else {
Log.i(TAG, "still foreground");
}
}
}
, CHECK_DELAY);
现在,该错误出现在行的final Runnable temp = new Runnable() {
发生了什么? 我检查编译的类,文件在那里。 类和$类。 有解决方案还是替代方案?
编辑(添加错误日志):
08-31 10:54:51.672 17887-17887/com.travelio.traveliochatapp E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.travelio.traveliochatapp, PID: 17887
java.lang.NoClassDefFoundError: com.travelio.traveliochatapp.misc.ForegroundHelper$1
at com.travelio.traveliochatapp.misc.ForegroundHelper.onActivityPaused(ForegroundHelper.java:159)
at android.app.Application.dispatchActivityPaused(Application.java:217)
at android.app.Activity.onPause(Activity.java:1287)
at com.travelio.traveliochatapp.SplashActivity.onPause(SplashActivity.java:79)
at android.app.Activity.performPause(Activity.java:5335)
at android.app.Instrumentation.callActivityOnPause(Instrumentation.java:1233)
at android.app.ActivityThread.performPauseActivity(ActivityThread.java:3138)
at android.app.ActivityThread.performPauseActivity(ActivityThread.java:3107)
at android.app.ActivityThread.handlePauseActivity(ActivityThread.java:3085)
at android.app.ActivityThread.access$1000(ActivityThread.java:144)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1257)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:212)
at android.app.ActivityThread.main(ActivityThread.java:5137)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:902)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:718)
at dalvik.system.NativeStart.main(Native Method)
啊,我明白了。 我在应用程序中使用了multidex,但忘记在AndroidManifest.xml
添加android:name="android.support.multidex.MultiDexApplication"
。 尽管我选择修整代码,所以添加它可以解决问题,从而不必使用multidex
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