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Android Dev 웹 사이트에서 Card Flip 튜토리얼을 진행하는 데 문제가있는 것 같습니다. 나는 따라 와서 그것을 스위트 룸에 맞게 수정하지만 충돌이 발생하고 이유가 확실하지 않습니다. 이클립스는 내 자바 코드에서 어떤 오류도주지 않는다. 누군가 시도 할 수있는 제안이 있는지 궁금합니다. 나는 java와 logcat을 포함시켰다. 시간 내 줘서 고마워.Android, 앱이 카드 뒤집기 애니메이션을 사용하여 충돌 함
자바 :
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.os.Bundle;
import android.os.Handler;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;
import android.os.Build;
public class MainActivity extends ActionBarActivity {
/**
* Whether or not we're showing the back of the card (otherwise showing the front).
*/
private boolean mShowingBack = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (savedInstanceState == null) {
getSupportFragmentManager()
.beginTransaction()
.add(R.id.container, new CardFrontFragment())
.commit();
}else {
mShowingBack = (getFragmentManager().getBackStackEntryCount() > 0);
}
/**
getSupportFragmentManager().beginTransaction()
.add(R.id.container, new PlaceholderFragment()).commit();
*/
}
private void flipCard() {
if (mShowingBack) {
getFragmentManager().popBackStack();
return;
}
// Flip to the back.
mShowingBack = true;
// Create and commit a new fragment transaction that adds the fragment for the back of
// the card, uses custom animations, and is part of the fragment manager's back stack.
getSupportFragmentManager()
.beginTransaction()
// Replace the default fragment animations with animator resources representing
// rotations when switching to the back of the card, as well as animator
// resources representing rotations when flipping back to the front (e.g. when
// the system Back button is pressed).
.setCustomAnimations(
R.animator.card_flip_right_in, R.animator.card_flip_right_out,
R.animator.card_flip_left_in, R.animator.card_flip_left_out)
// Replace any fragments currently in the container view with a fragment
// representing the next page (indicated by the just-incremented currentPage
// variable).
.replace(R.id.container, new CardBackFragment())
// Add this transaction to the back stack, allowing users to press Back
// to get to the front of the card.
.addToBackStack(null)
// Commit the transaction.
.commit();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.card_flip) {
flipCard();
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* A placeholder fragment containing a simple view.
*/
public static class PlaceholderFragment extends Fragment {
public PlaceholderFragment() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_main, container,
false);
return rootView;
}
}
/**
* A fragment representing the front of the card.
*/
public static class CardFrontFragment extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.card_front, container, false);
}
}
/**
* A fragment representing the back of the card.
*/
public static class CardBackFragment extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.card_back, container, false);
}
}
}
로그 캣 : 당신이 Animation objectAnimator를 초기화하지 않았기 때문에
04-09 01:44:56.440: D/dalvikvm(799): Not late-enabling CheckJNI (already on)
04-09 01:45:01.850: D/dalvikvm(799): GC_FOR_ALLOC freed 87K, 8% free 2905K/3124K, paused 37ms, total 41ms
04-09 01:45:01.850: I/dalvikvm-heap(799): Grow heap (frag case) to 8.892MB for 6220816-byte allocation
04-09 01:45:01.900: D/dalvikvm(799): GC_FOR_ALLOC freed 3K, 3% free 8976K/9200K, paused 43ms, total 43ms
04-09 01:45:02.530: D/(799): HostConnection::get() New Host Connection established 0xb89a8468, tid 799
04-09 01:45:02.660: W/EGL_emulation(799): eglSurfaceAttrib not implemented
04-09 01:45:02.670: D/OpenGLRenderer(799): Enabling debug mode 0
04-09 01:45:06.140: W/EGL_emulation(799): eglSurfaceAttrib not implemented
04-09 01:45:10.960: W/EGL_emulation(799): eglSurfaceAttrib not implemented
04-09 01:45:13.390: W/EGL_emulation(799): eglSurfaceAttrib not implemented
04-09 01:46:59.588: D/dalvikvm(1088): GC_FOR_ALLOC freed 84K, 7% free 2905K/3120K, paused 36ms, total 38ms
04-09 01:46:59.588: I/dalvikvm-heap(1088): Grow heap (frag case) to 8.892MB for 6220816-byte allocation
04-09 01:46:59.638: D/dalvikvm(1088): GC_FOR_ALLOC freed 3K, 3% free 8976K/9196K, paused 40ms, total 40ms
04-09 01:47:00.298: D/(1088): HostConnection::get() New Host Connection established 0xb8acdf90, tid 1088
04-09 01:47:00.458: W/EGL_emulation(1088): eglSurfaceAttrib not implemented
04-09 01:47:00.478: D/OpenGLRenderer(1088): Enabling debug mode 0
04-09 01:47:03.968: W/EGL_emulation(1088): eglSurfaceAttrib not implemented
04-09 01:47:08.418: W/EGL_emulation(1088): eglSurfaceAttrib not implemented
04-09 01:48:39.118: D/dalvikvm(1145): GC_FOR_ALLOC freed 87K, 8% free 2905K/3124K, paused 41ms, total 45ms
04-09 01:48:39.118: I/dalvikvm-heap(1145): Grow heap (frag case) to 8.892MB for 6220816-byte allocation
04-09 01:48:39.158: D/dalvikvm(1145): GC_FOR_ALLOC freed 3K, 3% free 8976K/9200K, paused 31ms, total 32ms
04-09 01:48:39.728: D/(1145): HostConnection::get() New Host Connection established 0xb8acdfa0, tid 1145
04-09 01:48:39.858: W/EGL_emulation(1145): eglSurfaceAttrib not implemented
04-09 01:48:39.888: D/OpenGLRenderer(1145): Enabling debug mode 0
04-09 01:48:45.628: W/EGL_emulation(1145): eglSurfaceAttrib not implemented
04-09 01:48:46.758: D/AndroidRuntime(1145): Shutting down VM
04-09 01:48:46.758: W/dalvikvm(1145): threadid=1: thread exiting with uncaught exception (group=0xb3a87ba8)
04-09 01:48:46.778: E/AndroidRuntime(1145): FATAL EXCEPTION: main
04-09 01:48:46.778: E/AndroidRuntime(1145): Process: you.ca.mohawk.lab6b, PID: 1145
04-09 01:48:46.778: E/AndroidRuntime(1145): java.lang.RuntimeException: Unknown animation name: objectAnimator
04-09 01:48:46.778: E/AndroidRuntime(1145): at android.view.animation.AnimationUtils.createAnimationFromXml(AnimationUtils.java:124)
04-09 01:48:46.778: E/AndroidRuntime(1145): at android.view.animation.AnimationUtils.createAnimationFromXml(AnimationUtils.java:114)
04-09 01:48:46.778: E/AndroidRuntime(1145): at android.view.animation.AnimationUtils.createAnimationFromXml(AnimationUtils.java:91)
04-09 01:48:46.778: E/AndroidRuntime(1145): at android.view.animation.AnimationUtils.loadAnimation(AnimationUtils.java:72)
04-09 01:48:46.778: E/AndroidRuntime(1145): at android.support.v4.app.FragmentManagerImpl.loadAnimation(FragmentManager.java:776)
04-09 01:48:46.778: E/AndroidRuntime(1145): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1011)
04-09 01:48:46.778: E/AndroidRuntime(1145): at android.support.v4.app.FragmentManagerImpl.removeFragment(FragmentManager.java:1212)
04-09 01:48:46.778: E/AndroidRuntime(1145): at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:639)
04-09 01:48:46.778: E/AndroidRuntime(1145): at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1478)
04-09 01:48:46.778: E/AndroidRuntime(1145): at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:446)
04-09 01:48:46.778: E/AndroidRuntime(1145): at android.os.Handler.handleCallback(Handler.java:733)
04-09 01:48:46.778: E/AndroidRuntime(1145): at android.os.Handler.dispatchMessage(Handler.java:95)
04-09 01:48:46.778: E/AndroidRuntime(1145): at android.os.Looper.loop(Looper.java:136)
04-09 01:48:46.778: E/AndroidRuntime(1145): at android.app.ActivityThread.main(ActivityThread.java:5017)
04-09 01:48:46.778: E/AndroidRuntime(1145): at java.lang.reflect.Method.invokeNative(Native Method)
04-09 01:48:46.778: E/AndroidRuntime(1145): at java.lang.reflect.Method.invoke(Method.java:515)
04-09 01:48:46.778: E/AndroidRuntime(1145): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
04-09 01:48:46.778: E/AndroidRuntime(1145): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
04-09 01:48:46.778: E/AndroidRuntime(1145): at dalvik.system.NativeStart.main(Native Method)
'java.lang.RuntimeException : 알 수없는 애니메이션 이름 : objectAnimator' –