commit 4a3821c791de253cfdfe7d665c0e02fec48de77e
Author: Andy0613 <841676382@qq.com>
Date: Fri Oct 16 01:06:25 2026 +0800
feat: 上传第二次安卓课程代码(2026年09月18日)
diff --git a/.gitignore b/.gitignore
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+++ b/.gitignore
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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
diff --git a/.idea/.gitignore b/.idea/.gitignore
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+++ b/.idea/.gitignore
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+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/AndroidProjectSystem.xml b/.idea/AndroidProjectSystem.xml
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diff --git a/.idea/compiler.xml b/.idea/compiler.xml
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diff --git a/.idea/deploymentTargetSelector.xml b/.idea/deploymentTargetSelector.xml
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diff --git a/.idea/gradle.xml b/.idea/gradle.xml
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diff --git a/.idea/misc.xml b/.idea/misc.xml
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diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
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+++ b/.idea/runConfigurations.xml
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diff --git a/LICENSE b/LICENSE
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+++ b/LICENSE
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+MIT License
+
+Copyright (c) 2026 ZITONG YAN
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+associated documentation files (the "Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO
+EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/README.md b/README.md
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+++ b/README.md
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+# ActivityTest
+
+这是第二章节的安卓课程代码
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diff --git a/app/.gitignore b/app/.gitignore
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+++ b/app/.gitignore
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+/build
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diff --git a/app/build.gradle b/app/build.gradle
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+++ b/app/build.gradle
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+plugins {
+ alias(libs.plugins.android.application)
+}
+
+android {
+ namespace 'com.yanzitong.activitytest6117'
+ compileSdk {
+ version = release(36) {
+ minorApiLevel = 1
+ }
+ }
+
+ defaultConfig {
+ applicationId "com.yanzitong.activitytest6117"
+ minSdk 26
+ targetSdk 36
+ versionCode 1
+ versionName "1.0"
+
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ }
+
+ buildTypes {
+ release {
+ optimization {
+ enable false
+ }
+ }
+ }
+ compileOptions {
+ sourceCompatibility JavaVersion.VERSION_11
+ targetCompatibility JavaVersion.VERSION_11
+ }
+}
+
+dependencies {
+ implementation libs.appcompat
+ implementation libs.material
+ testImplementation libs.junit
+ androidTestImplementation libs.espresso.core
+ androidTestImplementation libs.ext.junit
+}
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diff --git a/app/src/androidTest/java/com/yanzitong/activitytest6117/ExampleInstrumentedTest.java b/app/src/androidTest/java/com/yanzitong/activitytest6117/ExampleInstrumentedTest.java
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+++ b/app/src/androidTest/java/com/yanzitong/activitytest6117/ExampleInstrumentedTest.java
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+package com.yanzitong.activitytest6117;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see Testing documentation
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+ @Test
+ public void useAppContext() {
+ // Context of the app under test.
+ Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+ assertEquals("com.yanzitong.activitytest6117", appContext.getPackageName());
+ }
+}
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diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
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diff --git a/app/src/main/java/com/yanzitong/activitytest6117/FirstActivity.java b/app/src/main/java/com/yanzitong/activitytest6117/FirstActivity.java
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index 0000000..5915681
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+++ b/app/src/main/java/com/yanzitong/activitytest6117/FirstActivity.java
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+package com.yanzitong.activitytest6117;
+
+import android.os.Bundle;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.Button;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+
+// 组合键：shift + enter
+public class FirstActivity extends AppCompatActivity {
+ private static final String TAG = "FirstActivity";
+
+ // 先声明（变量命名：小驼峰）再使用
+ // 全局（成员）变量：m开头
+ Button mFirstBtn1;
+ Button mFirstBtn2;
+
+ /**
+ * 事件驱动机制
+ * 事件源、什么事件、监听器（XXXListener）
+ * 按钮的单击事件实现方法一：
+ * 内部匿名
+ */
+
+ @Override
+ protected void onCreate(@Nullable Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.first_layout);
+ Log.d(TAG, "onCreate: 活动创建成功"); // 组合键2：alter + enter
+ mFirstBtn1 = findViewById(R.id.first_btn1);
+ mFirstBtn1.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ Toast.makeText(FirstActivity.this, "6117严梓桐单击了按钮", Toast.LENGTH_SHORT).show();
+ }
+ });
+ mFirstBtn2 = findViewById(R.id.first_btn2);
+ mFirstBtn2.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ Log.d(TAG, "onClick: Hello");
+ Toast.makeText(FirstActivity.this, "我是严梓桐", Toast.LENGTH_SHORT).show();
+ }
+ });
+ }
+
+ @Override
+ public boolean onCreateOptionsMenu(Menu menu) {
+ getMenuInflater().inflate(R.menu.main, menu);
+ return true;
+ }
+
+ @Override
+ public boolean onOptionsItemSelected(@NonNull MenuItem item) { // 回调
+ if (item.getItemId() == R.id.add_item) {
+ Toast.makeText(this, "6117单击了菜单项add", Toast.LENGTH_SHORT).show();
+ Log.d(TAG, "onOptionsItemSelected: 6117单击了菜单项add");
+ } else if (item.getItemId() == R.id.modify_item) {
+ Toast.makeText(this, "6117单击了菜单项modify", Toast.LENGTH_SHORT).show();
+ Log.d(TAG, "onOptionsItemSelected: 6117单击了菜单项modify");
+ } else if (item.getItemId() == R.id.delete_item) {
+ Toast.makeText(this, "6117单击了菜单项delete", Toast.LENGTH_SHORT).show();
+ Log.d(TAG, "onOptionsItemSelected: 6117单击了菜单项delete");
+ }
+ return super.onOptionsItemSelected(item);
+ }
+}
+
+/**
+ * 添加一个按钮，id = first_btn2，完成单击事件：弹出Toast消息日志，内容自定义，带个人标识
+ * mFirstBtn2 = findViewById(R.id.first_btn2);
+ * mFirstBtn2.setOnClickListener(new View.OnClickListener() {
+ *
+ * @Override public void onClick(View v) {
+ * Log.d(TAG, "onClick: Hello");
+ * Toast.makeText(FirstActivity.this, "我是严梓桐", Toast.LENGTH_SHORT).show();
+ * }
+ * });
+ */
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diff --git a/app/src/main/keepRules/rules.keep b/app/src/main/keepRules/rules.keep
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+++ b/app/src/main/keepRules/rules.keep
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+# Add project specific R8 rules here.
+# AGP will combine all keep rule files in src/main/keepRules to pass to R8
+#
+# For more details, see
+# https://d.android.com/r/tools/r8/keep-rules
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
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diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml
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+++ b/app/src/main/res/drawable/ic_launcher_background.xml
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diff --git a/app/src/main/res/drawable/ic_launcher_foreground.xml b/app/src/main/res/drawable/ic_launcher_foreground.xml
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+++ b/app/src/main/res/drawable/ic_launcher_foreground.xml
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