【Android Studio】实现简易猴子摘桃功能

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已于 2022-11-07 23:19:35 修改

阅读量1.2w

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分类专栏： Java HTML 文章标签： android android studio ide

于 2022-11-03 00:40:41 首次发布

本文链接：https://blog.youkuaiyun.com/weixin_53158593/article/details/127661001

版权

\app\src\main\AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.peach">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.Peach">
        <activity
            android:name=".MainActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".PeachActivity"/>
    </application>

</manifest>

\app\src\main\java\com\example\peach\MainActivity.java

package com.example.peach;

import androidx.activity.result.ActivityResult;
import androidx.activity.result.ActivityResultCallback;
import androidx.activity.result.ActivityResultLauncher;
import androidx.activity.result.contract.ActivityResultContracts;
import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    private Button pickBtn;
    private TextView peachTotal;
    int count=0;

    private ActivityResultLauncher launcher = registerForActivityResult(new ActivityResultContracts.StartActivityForResult(), new ActivityResultCallback<ActivityResult>() {
        @Override
        public void onActivityResult(ActivityResult result) {
            if(result != null){
                if(result.getResultCode() == RESULT_OK){
                    Intent data = result.getData();
                    int peachNum = data.getIntExtra("peachNum", 0);
                    Log.i("MainActivity", "onActivityResult: "+ peachNum);
                    count = count + peachNum;
                    peachTotal.setText("桃子" + count + "个");
                }
            }
        }
    });

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