报错：在Main_Activity.xml中下面画横线部分报错Description Resource Path Location Type Intent cannot be resolved to a type MainActivity.java /ActivityDemo/src/com/acti/activitydemo
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Log.i(TAG,"MainActivity -->onCreate");
Button btn = (Button) findViewById(R.id.btn_test);
btn.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v){
Intent intent=new Intent(MainActivity.this,Second_Activity.class);
MainActivity.this.startActivity(intent);
}
});
}
