大家好,希望您能提供帮助,感谢您的关注-
我有一个线程来运行硬币旋转动画,就是这样
public class MainActivity extends Activity {
static AnimationDrawable frameAnimation;
public boolean currentSpin = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//is this where you want me to do it
ImageView coinAnima = (ImageView) findViewById(R.id.imageView1);
Button bt = (Button) findViewById(R.id.button1);
bt.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
spinCoin1();
}
});
}
//end of onCreate
public void spinCoin1(){
coinAnima = (ImageView) findViewById(R.id.imageView1);
coinAnima.setBackgroundResource(R.anim.coin_spin_heads);
new Thread(new Runnable() {
public void run() {
frameAnimation = (AnimationDrawable) coinAnima.getBackground();
frameAnimation.start();
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
e.printStackTrace();
}
frameAnimation.stop();
//end of run
}
//starts the thread
}).start();
//end of method
}
//end of class
}
它从一个按钮的 onclick 运行,当我第二次单击该按钮时,它会导致错误
这是
03-10 23:33:28.804: E/AndroidRuntime(13689): FATAL EXCEPTION: Thread-12
03-10 23:33:28.804: E/AndroidRuntime(13689): android.view.ViewRoot$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.
03-10 23:33:28.804: E/AndroidRuntime(13689): at android.view.ViewRoot.checkThread(ViewRoot.java:2936)
03-10 23:33:28.804: E/AndroidRuntime(13689): at android.view.ViewRoot.invalidateChild(ViewRoot.java:642)
03-10 23:33:28.804: E/AndroidRuntime(13689): at android.view.ViewRoot.invalidateChildInParent(ViewRoot.java:668)
03-10 23:33:28.804: E/AndroidRuntime(13689): at android.view.ViewGroup.invalidateChild(ViewGroup.java:2511)
03-10 23:33:28.804: E/AndroidRuntime(13689): at android.view.View.invalidate(View.java:5272)
03-10 23:33:28.804: E/AndroidRuntime(13689): at android.view.View.invalidateDrawable(View.java:7310)
03-10 23:33:28.804: E/AndroidRuntime(13689): at android.widget.ImageView.invalidateDrawable(ImageView.java:176)
03-10 23:33:28.804: E/AndroidRuntime(13689): at android.graphics.drawable.Drawable.invalidateSelf(Drawable.java:300)
03-10 23:33:28.804: E/AndroidRuntime(13689): at android.graphics.drawable.DrawableContainer.selectDrawable(DrawableContainer.java:227)
03-10 23:33:28.804: E/AndroidRuntime(13689): at android.graphics.drawable.AnimationDrawable.setFrame(AnimationDrawable.java:211)
03-10 23:33:28.804: E/AndroidRuntime(13689): at android.graphics.drawable.AnimationDrawable.nextFrame(AnimationDrawable.java:203)
03-10 23:33:28.804: E/AndroidRuntime(13689): at android.graphics.drawable.AnimationDrawable.run(AnimationDrawable.java:140)
03-10 23:33:28.804: E/AndroidRuntime(13689): at android.graphics.drawable.AnimationDrawable.start(AnimationDrawable.java:107)
03-10 23:33:28.804: E/AndroidRuntime(13689): at com.example.testanima.MainActivity$2.run(MainActivity.java:61)
03-10 23:33:28.804: E/AndroidRuntime(13689): at java.lang.Thread.run(Thread.java:1019)
谁能告诉我解决此错误的方法,再次感谢您的关注