80 lines
3.3 KiB
Java
80 lines
3.3 KiB
Java
package androidx.activity;
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import android.app.Activity;
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import android.view.View;
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import android.view.inputmethod.InputMethodManager;
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import androidx.annotation.MainThread;
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import androidx.annotation.NonNull;
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import androidx.annotation.RequiresApi;
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import androidx.lifecycle.Lifecycle;
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import androidx.lifecycle.LifecycleEventObserver;
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import androidx.lifecycle.LifecycleOwner;
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import java.lang.reflect.Field;
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@RequiresApi(19)
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public final class ImmLeaksCleaner implements LifecycleEventObserver {
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private static final int INIT_FAILED = 2;
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private static final int INIT_SUCCESS = 1;
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private static final int NOT_INITIALIAZED = 0;
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private static Field sHField;
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private static Field sNextServedViewField;
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private static int sReflectedFieldsInitialized;
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private static Field sServedViewField;
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private Activity mActivity;
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public ImmLeaksCleaner(Activity activity) {
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this.mActivity = activity;
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}
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@MainThread
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private static void initializeReflectiveFields() {
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try {
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sReflectedFieldsInitialized = 2;
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Field declaredField = InputMethodManager.class.getDeclaredField("mServedView");
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sServedViewField = declaredField;
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declaredField.setAccessible(true);
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Field declaredField2 = InputMethodManager.class.getDeclaredField("mNextServedView");
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sNextServedViewField = declaredField2;
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declaredField2.setAccessible(true);
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Field declaredField3 = InputMethodManager.class.getDeclaredField("mH");
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sHField = declaredField3;
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declaredField3.setAccessible(true);
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sReflectedFieldsInitialized = 1;
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} catch (NoSuchFieldException unused) {
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}
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}
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@Override // androidx.lifecycle.LifecycleEventObserver
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public void onStateChanged(@NonNull LifecycleOwner lifecycleOwner, @NonNull Lifecycle.Event event) {
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if (event == Lifecycle.Event.ON_DESTROY) {
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if (sReflectedFieldsInitialized == 0) {
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initializeReflectiveFields();
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}
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if (sReflectedFieldsInitialized == 1) {
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InputMethodManager inputMethodManager = (InputMethodManager) this.mActivity.getSystemService("input_method");
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try {
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Object obj = sHField.get(inputMethodManager);
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if (obj != null) {
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synchronized (obj) {
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try {
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View view = (View) sServedViewField.get(inputMethodManager);
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if (view != null) {
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if (!view.isAttachedToWindow()) {
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try {
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sNextServedViewField.set(inputMethodManager, null);
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inputMethodManager.isActive();
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} catch (IllegalAccessException unused) {
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}
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}
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}
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} catch (IllegalAccessException unused2) {
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} catch (ClassCastException unused3) {
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}
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}
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}
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} catch (IllegalAccessException unused4) {
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}
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}
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}
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}
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}
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