MainActivity.java:
package com.example.jumpto;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class MainActivity extends AppCompatActivity {
Button Btn1,Btn2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Btn1=findViewById(R.id.btn_1);//按钮id为btn_1
Btn1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent=new Intent(MainActivity.this,nextActivity.class);//从MainActivity跳转到nextActivity
startActivity(intent);
}
});
Btn2=findViewById(R.id.btn_2);
final Uri uri=Uri.parse("https://home.cnblogs.com/u/kori/");
Btn2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent=new Intent(Intent.ACTION_VIEW,uri);
startActivity(intent);
}
});
}
}
nextActivity.java:
package com.example.jumpto;
import android.os.Bundle;
import android.widget.Button;
import androidx.appcompat.app.AppCompatActivity;
public class nextActivity extends AppCompatActivity {
Button Btn1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.next);
}
}
跳转黑屏闪退
在想要跳转的页面处,选中类名,按住“Alt”+“Enter”,选择“add activity to maniefest”。
这样就实现了该页面的注册。