“button can not be resolved”这个错误是什么意思?
来源:学生作业帮 编辑:神马作文网作业帮 分类:综合作业 时间:2024/10/10 12:21:26
“button can not be resolved”这个错误是什么意思?
这是我出现这个错误的部分代码:import android.view.View.OnClickListener;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.widget.Button;public class MyActivity extends Activity { /** Called when the activity is first created.*/ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final Button register = (Button) findViewById(R.id.registerButton); button.setOnClickListener(new OnClickListener() { public void onClick(View v) { // Perform action on clicks } }); setContentView(R.layout.main); }}怎么解决啊?
这是我出现这个错误的部分代码:import android.view.View.OnClickListener;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.widget.Button;public class MyActivity extends Activity { /** Called when the activity is first created.*/ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final Button register = (Button) findViewById(R.id.registerButton); button.setOnClickListener(new OnClickListener() { public void onClick(View v) { // Perform action on clicks } }); setContentView(R.layout.main); }}怎么解决啊?
你定义的变量是register 没有button是不是搞错了final Button register = (Button) findViewById(R.id.registerButton);button.应该改成register 查看原帖
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