我正在尝试为按钮创建一个 onClickListener。在我创建事件侦听器之前一切都很好,但是当我添加它时强制关闭。
这是代码:包com.austin.mobile;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
public class TxtLingoActivity extends Activity {
/** Called when the activity is first created. */
Button convert;
EditText inputText, outputText;
String myCopy;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.setContentView(R.layout.main);
convert = (Button) findViewById(R.id.inputTextBox);
convert.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
}
});
}
}
这是xml:
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Input"
android:textAppearance="?android:attr/textAppearanceMedium" />
<EditText
android:id="@+id/inputTextBox"
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
<requestFocus />
</EditText>
<Button
android:id="@+id/convert"
android:layout_gravity="right"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:clickable="true"
android:text="Convert" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Output"
android:textAppearance="?android:attr/textAppearanceMedium" />
<EditText
android:id="@+id/outputTextBox"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
</LinearLayout>
Log Cat 显示此错误:03-19 18:05:21.726: E/dalvikvm(662): Unable to open stack trace file'/data/anr/traces.txt': Permission denied
有什么建议么?