获取错误android应用程序代码中未定义构造函数意图(new View.OnClickListener(){},Class<;NumberBoardActivity>;):
将startinent更改为此获取错误android应用程序代码中未定义构造函数意图(new View.OnClickListener(){},Class<;NumberBoardActivity>;):,android,android-intent,Android,Android Intent,将startinent更改为此 import android.app.Activity; import android.content.Intent; import android.view.View; import android.view.View.OnClickListener; import android.os.Bundle; import android.widget.Button; import android.widget.RadioButton; import a
import android.app.Activity;
import android.content.Intent;
import android.view.View;
import android.view.View.OnClickListener;
import android.os.Bundle;
import android.widget.Button;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Toast;
public class NumberModeSizeOptionsActivity extends Activity {
private RadioGroup radioGroupId;
private RadioButton radioBoard;
private Button button;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.board_option);
addButtonListener();
}
public void addButtonListener() {
radioGroupId = (RadioGroup) findViewById(R.id.radioBoard);
button = (Button) findViewById(R.id.btnStart);
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// get the selected radio button from the group
int selectedOption = radioGroupId.getCheckedRadioButtonId();
// find the radiobutton by the previously returned id
radioBoard = (RadioButton) findViewById(selectedOption);
startActivity(new Intent(this, NumberBoardActivity.class));
//startActivity(new Intent("org.test.slidingtiles.NumberBoardActivity"));
Toast.makeText(NumberModeSizeOptionsActivity.this, radioBoard.getText(), Toast.LENGTH_SHORT).show();
}
});
}
}
尝试以下代码:(更改意图语句)并检查第二个activity NumberBoardActivity是否在android manifest.xml中定义:
startActivity(new Intent(NumberModeSizeOptionsActivity.this, NumberBoardActivity.class));
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.board_option);
radioGroupId = (RadioGroup) findViewById(R.id.radioBoard);
button = (Button) findViewById(R.id.btnStart);
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// get the selected radio button from the group
int selectedOption = radioGroupId.getCheckedRadioButtonId();
// find the radiobutton by the previously returned id
radioBoard = (RadioButton) findViewById(selectedOption);
startActivity(new Intent(NumberModeSizeOptionsActivity.this, NumberBoardActivity.class));
//startActivity(new Intent("org.test.slidingtiles.NumberBoardActivity"));
Toast.makeText(NumberModeSizeOptionsActivity.this, radioBoard.getText(), Toast.LENGTH_SHORT).show();
}
});
}