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Possible Duplicate:
public boolean onKey() called twice?
这是我的代码
public class TestKeyActivity extends Activity {
private int i=1;
private ScrollView sv;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
sv=(ScrollView) this.findViewById(R.id.read_scrollView);
sv.setOnKeyListener(new View.OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
Toast.makeText(TestKeyActivity.this, "what is wrong!!!!"+(i++), 2).show();
return true;
}
return false;
}
});
}
}
我用的是安卓模拟器和Eclipse,不知道为什么,点击一下按键,代码 toast 将执行两次。 我的代码有问题吗?