发布于2022年11月4日3年前 1、效果图 鸿蒙手机 --> 关于手机的截图: Android程序获取鸿蒙手机设备信息的截图: 2、实现 本案例DEMO的实现主要借鉴了网上现有的资料: https://blog.csdn.net/chenzhengfeng/article/details/119868210 并在此基础上进行了扩展、封装,希望能帮到有需要的小伙伴们~ 2.1、鸿蒙工具类封装 HarmonyUtils import android.text.TextUtils; import java.lang.reflect.Method; /** * 齐行超 * 2020-02-16 */ public class HarmonyUtils { /** * 是否为鸿蒙系统 * * @return true为鸿蒙系统 */ public static boolean isHarmonyOs() { try { Class<?> buildExClass = Class.forName("com.huawei.system.BuildEx"); Object osBrand = buildExClass.getMethod("getOsBrand").invoke(buildExClass); return "Harmony".equalsIgnoreCase(osBrand.toString()); } catch (Throwable x) { return false; } } /** * 获取鸿蒙系统版本号 * * @return 版本号 */ public static String getHarmonyVersion() { return getProp("hw_sc.build.platform.version", ""); } /** * 获取属性 * @param property * @param defaultValue * @return */ private static String getProp(String property, String defaultValue) { try { Class spClz = Class.forName("android.os.SystemProperties"); Method method = spClz.getDeclaredMethod("get", String.class); String value = (String) method.invoke(spClz, property); if (TextUtils.isEmpty(value)) { return defaultValue; } return value; } catch (Throwable e) { e.printStackTrace(); } return defaultValue; } /** * 获得鸿蒙系统版本号(含小版本号,实际上同Android的android.os.Build.DISPLAY) * @return 版本号 */ public static String getHarmonyDisplayVersion() { return android.os.Build.DISPLAY; } } 2.2、HarmonyUtils的调用 当前案例中,在一个activity中实现了对HarmonyUtils工具类的调用。 Activity代码: import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.widget.TextView; public class HarmonyActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_harmony); TextView tv_is_harmony = findViewById(R.id.tv_is_harmony); TextView tv_harmony_version = findViewById(R.id.tv_harmony_version); TextView tv_harmony_display_version = findViewById(R.id.tv_harmony_display_version); boolean isHarmony = HarmonyUtils.isHarmonyOs(); tv_is_harmony.setText("is harmony ? \n "+ isHarmony); String harmonyVersion = HarmonyUtils.getHarmonyVersion(); tv_harmony_version.setText("harmony version is: \n "+harmonyVersion); String displayVersion = HarmonyUtils.getHarmonyDisplayVersion(); tv_harmony_display_version.setText("harmony display version is: \n "+displayVersion); } } 布局文件: <?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout 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" android:padding="10dp" tools:context=".HarmonyActivity"> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="is harmony ?" android:id="@+id/tv_is_harmony" android:textSize="20sp" android:layout_marginTop="20dp" app:layout_constraintTop_toTopOf="parent"/> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" app:layout_constraintTop_toBottomOf="@id/tv_is_harmony" android:id="@+id/tv_harmony_version" android:textSize="20sp" android:layout_marginTop="20dp" android:text="harmony version"/> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" app:layout_constraintTop_toBottomOf="@id/tv_harmony_version" android:id="@+id/tv_harmony_display_version" android:textSize="20sp" android:layout_marginTop="20dp" android:text="harmony display version"/> </androidx.constraintlayout.widget.ConstraintLayout>
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