#安卓

实现MainActivity转到其他界面的功能实现

实现步骤：

1.添加两个界面及；layout，分别为fullsreen和dialog

2.mainifest中注册两个antivity

3.向Mainactivity中代码。用intent简单的跳转

package com.example.myapplication;

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 {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Button b1=(Button) findViewById(R.id.button1);
        b1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent=new Intent(MainActivity.this,fullscreen.class);
                MainActivity.this.startActivity(intent);

            }
        });

        Button b2=(Button) findViewById(R.id.button2);
        b2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent=new Intent(MainActivity.this,dialogactivity.class);
                MainActivity.this.startActivity(intent);

            }
        });
    }
}

4.需要两个类dialogactivity 和 fullscreenactivity,可以自动创建，并自行补充

package com.example.myapplication;

import android.os.Bundle;

import androidx.appcompat.app.AppCompatActivity;

public class fullscreen extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.fullscreenactivity);

    }

}

package com.example.myapplication;

import android.os.Bundle;

import androidx.appcompat.app.AppCompatActivity;

public class dialogactivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.dialogactivity);

    }

}

5.运行效果