Android 跳轉過後關閉本介面

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/tv"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:text="我靠"
        android:gravity="center"
        android:textSize="200dp"/>

</LinearLayout>

MainActivity

package com.example.a12236.myapplication;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

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

        TextView textView = findViewById(R.id.tv);
        textView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //跳轉
                startActivity(new Intent(MainActivity.this,Main2Activity.class));
                //跳轉完以後關閉本介面
                finish();
            }
        });
    }
}

 

activity_main2.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".Main2Activity">

    <TextView
        android:id="@+id/hl"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:text="嗨嘍"
        android:gravity="center"
        android:textSize="200dp"/>
</LinearLayout>

Main2Activity

package com.example.a12236.myapplication;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.TextView;

public class Main2Activity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);


        TextView textView = findViewById(R.id.hl);
        textView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //跳轉
                startActivity(new Intent(Main2Activity.this,MainActivity.class));
                //跳轉完以後關閉本介面
                finish();
            }
        });
    }

}

 

 

無聊弄一下，各位大佬別噴.......！