输入法引起的内存泄漏
/**
* 用于输入法管理
*/
public class InputMethodUtils {
public static void fixInputMethodManagerLeak(Activity destContext) {
if (destContext == null) {
return;
}
InputMethodManager imm = (InputMethodManager) destContext.getSystemService(Context.INPUT_METHOD_SERVICE);
if (imm == null) {
return;
}
String[] arr = new String[]{"mCurRootView", "mServedView", "mNextServedView"};
Field f = null;
Object obj_get = null;
for (int i = 0; i < arr.length; i++) {
String param = arr[i];
try {
f = imm.getClass().getDeclaredField(param);
if (f.isAccessible() == false) {
f.setAccessible(true);
}
obj_get = f.get(imm);
if (obj_get != null && obj_get instanceof View) {
View v_get = (View) obj_get;
if (v_get.getContext() == destContext) { // 被InputMethodManager持有引用的context是想要目标销毁的
f.set(imm, null); // 置空,破坏掉path to gc节点
} else {
break;
}
}
} catch (Throwable t) {
t.printStackTrace();
}
}
}
}