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Commit b72163b9 authored by Doris Ling's avatar Doris Ling
Browse files

Fix crash when silencing condition. 

- check if the broadcast receiver is being registered before trying to
un-regist it.

Change-Id: I6af215f393d16173f317c9e5bc05237c935e7133
Fix: 38131851
Test: make RunSettingsRoboTests
parent 3f303d5f

src/com/android/settings/dashboard/conditional/Condition.java

+9 −2
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ public abstract class Condition { 


    protected final ConditionManager mManager;

    protected final MetricsFeatureProvider mMetricsFeatureProvider;

    protected boolean mReceiverRegistered;



    private boolean mIsSilenced;

    private boolean mIsActive;
@@ -110,9 +111,15 @@ public abstract class Condition { 
            return;

        }

        if (silenced) {

            if (!mReceiverRegistered) {

                mManager.getContext().registerReceiver(receiver, getIntentFilter());

                mReceiverRegistered = true;

            }

        } else {

            if (mReceiverRegistered) {

                mManager.getContext().unregisterReceiver(receiver);

                mReceiverRegistered = false;

            }

        }

    }

tests/robotests/src/com/android/settings/dashboard/conditional/ConditionTest.java

+16 −3
Original line number Diff line number Diff line
@@ -29,11 +29,14 @@ import org.junit.runner.RunWith; 
import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

import org.robolectric.annotation.Config;

import org.robolectric.RuntimeEnvironment;



import static com.google.common.truth.Truth.assertThat;

import static org.mockito.Matchers.any;

import static org.mockito.Matchers.eq;

import static org.mockito.Mockito.mock;

import static org.mockito.Mockito.never;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;
@@ -45,14 +48,14 @@ public class ConditionTest { 
    private ConditionManager mConditionManager;

    @Mock

    private MetricsFeatureProvider mMetricsFeatureProvider;

    @Mock

    private Context mContext;



    private Context mContext;

    private TestCondition mCondition;



    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);

        mContext = spy(RuntimeEnvironment.application);

        mCondition = new TestCondition(mConditionManager, mMetricsFeatureProvider);

        when(mConditionManager.getContext()).thenReturn(mContext);

    }
@@ -82,12 +85,22 @@ public class ConditionTest { 
    }



    @Test

    public void onSilenceChanged_notSilenced_shouldUnregisterReceiver() {

    public void onSilenceChanged_notSilenced_registered_shouldUnregisterReceiver() {

        mCondition.onSilenceChanged(true);



        mCondition.onSilenceChanged(false);



        verify(mContext).unregisterReceiver(TestCondition.mReceiver);

    }



    @Test

    public void onSilenceChanged_notSilenced_notRegistered_shouldNotCrash() {

        mCondition.onSilenceChanged(false);



        verify(mContext, never()).unregisterReceiver(TestCondition.mReceiver);

        // no crash

    }



    private static final class TestCondition extends Condition {



        private static final int TEST_METRIC_CONSTANT = 1234;