97 lines
3.1 KiB
Java
97 lines
3.1 KiB
Java
package com.aoleyun.sn.utils;
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import android.app.ActivityManager;
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import android.app.Application;
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import android.content.Context;
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import android.os.Build;
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import android.text.TextUtils;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import java.lang.reflect.Method;
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import java.util.List;
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public class ProcessUtil {
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private static String currentProcessName;
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/**
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* @return 当前进程名
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*/
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@Nullable
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public static String getCurrentProcessName(@NonNull Context context) {
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if (!TextUtils.isEmpty(currentProcessName)) {
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return currentProcessName;
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}
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//1)通过Application的API获取当前进程名
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currentProcessName = getCurrentProcessNameByApplication();
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if (!TextUtils.isEmpty(currentProcessName)) {
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return currentProcessName;
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}
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//2)通过反射ActivityThread获取当前进程名
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currentProcessName = getCurrentProcessNameByActivityThread();
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if (!TextUtils.isEmpty(currentProcessName)) {
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return currentProcessName;
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}
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//3)通过ActivityManager获取当前进程名
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currentProcessName = getCurrentProcessNameByActivityManager(context);
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return currentProcessName;
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}
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/**
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* 通过Application新的API获取进程名，无需反射，无需IPC，效率最高。
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*/
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public static String getCurrentProcessNameByApplication() {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
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return Application.getProcessName();
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}
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return null;
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}
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/**
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* 通过反射ActivityThread获取进程名，避免了ipc
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*/
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public static String getCurrentProcessNameByActivityThread() {
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String processName = null;
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try {
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final Method declaredMethod = Class.forName("android.app.ActivityThread", false, Application.class.getClassLoader())
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.getDeclaredMethod("currentProcessName", (Class<?>[]) new Class[0]);
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declaredMethod.setAccessible(true);
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final Object invoke = declaredMethod.invoke(null, new Object[0]);
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if (invoke instanceof String) {
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processName = (String) invoke;
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}
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} catch (Throwable e) {
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e.printStackTrace();
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}
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return processName;
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}
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/**
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* 通过ActivityManager 获取进程名，需要IPC通信
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*/
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public static String getCurrentProcessNameByActivityManager(@NonNull Context context) {
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if (context == null) {
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return null;
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}
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int pid = android.os.Process.myPid();
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ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
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if (am != null) {
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List<ActivityManager.RunningAppProcessInfo> runningAppList = am.getRunningAppProcesses();
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if (runningAppList != null) {
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for (ActivityManager.RunningAppProcessInfo processInfo : runningAppList) {
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if (processInfo.pid == pid) {
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return processInfo.processName;
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}
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}
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}
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}
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return null;
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}
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}
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