通过反射调用private方法

package com.supermap.testdemo;
import android.util.Log;
/**
* Created by Administrator on 2017/6/12 0012.
*/
public class Test {
private void log() {
Log.w("bruce", "hello world");
}
private void log(String content) {
Log.w("bruce", content);
}
}

try {
Method method = Test.class.getDeclaredMethod("log");
method.setAccessible(true);
method.invoke(new Test());
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}

Test test = new Test();
try {
Method method = test.getClass().getDeclaredMethod("log", String.class);
method.setAccessible(true);
method.invoke(test, "hello superMap");
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}

最后

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