MainActivity.java
package com.example.intent;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class MainActivity extends AppCompatActivity implements View.OnClickListener{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button change=(Button)findViewById(R.id.change);
change.setOnClickListener(this);
}
@Override
public void onClick(View view) {
Intent intent =new Intent(MainActivity.this,SecondActivity.class);
startActivity(intent);
}
}
SecondActivity.java
package com.example.intent;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import androidx.annotation.Nullable;
public class SecondActivity extends Activity {
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_second);
}
}
对了,我找不到manifest文件,用的Android studio
现在这个界面跳转不行,想的是按下主界面的这个按钮会换到第二个Activity上,但按下去的时候程序就崩了