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79 lines
1.8 KiB
79 lines
1.8 KiB
/*
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* Copyright (c) 2017 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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package codetoanalyze.java.checkers;
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import javax.annotation.concurrent.ThreadSafe;
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import android.app.Activity;
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import android.content.Context;
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import android.content.res.AssetManager;
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import android.content.res.Configuration;
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import android.content.res.Resources;
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import android.view.View;
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import android.util.DisplayMetrics;
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class MyActivity extends Activity {
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}
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class MyResources extends Resources {
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public MyResources(AssetManager assets, DisplayMetrics metrics, Configuration config) {
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super(assets, metrics, config);
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}
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}
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class MyView extends View {
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boolean mField;
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public MyView(Context c) {
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super(c);
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}
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}
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@ThreadSafe
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public class AndroidModels {
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Resources mResources;
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MyResources mMyResources;
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Object mField;
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// assume that some Resources methods are annotated with @Functional
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public void resourceMethodFunctionalOk() {
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mField = mResources.getString(0);
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}
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// and subclasses of Resources too
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public void customResourceMethodFunctionalOk() {
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mField = mResources.getString(0);
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}
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// but not all of them
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public void someResourceMethodsNotFunctionalBad() {
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// configuration can change whenever the device rotates
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mField = mResources.getConfiguration();
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}
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public void findViewByIdOk1(MyView view) {
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MyView subview = (MyView) view.findViewById(-1);
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subview.mField = true; // ok;
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}
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public void findViewByIdOk2(MyActivity activity) {
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MyView view = (MyView) activity.findViewById(-1);
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view.mField = true; // ok;
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}
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}
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