android 项目，把一个子模块打成 jar 包，在 jar 包中如何获取 application？？

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android 项目，把一个子模块打成 jar 包，用 adb 命令执行 jar 包。但是代码中获取到 application 都是为空

是因为 apply plugin: 'com.android.library'这个的缘故吗？

获取代码如下 private static Application currentApplication;

/**
 * 获取全局的 application
 *
 * @return 返回 application
 */
@SuppressLint("PrivateApi")
public static Application getNewApplication() {
    try {
        if (currentApplication == null) {
            currentApplication = (Application) Class.forName("android.app.ActivityThread").getMethod("currentApplication").invoke(null, (Object[]) null);
        }
        return currentApplication;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

3 replies • 2022-11-01 10:33:14 +08:00

ByteRan

Oct 31, 2022

大哥，系统性过一下 Androi 的基本知识吧

ikas

Oct 31, 2022

获取 context 足够

public static Context getLimitedSystemContext() {
var currentActivityThread = ActivityThread.currentActivityThread();
if (null == currentActivityThread) {
synchronized (ActivityThread.class) {
currentActivityThread = ActivityThread.currentActivityThread();
if (null == currentActivityThread) {
if (Looper.getMainLooper() == null) {
Looper.prepareMainLooper();
}
currentActivityThread = ActivityThread.systemMain();
}
}
}
var limitedSystemContext = (Context) currentActivityThread.getSystemContext();
return limitedSystemContext;
}

9527H

Nov 1, 2022

@ikas 我没有执行 Activity 也可以吗？我是要在非 Activity 的类里使用 Application