Merge "Launch new Home app when selecting Home app in Settings"

import android.content.ComponentName;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.content.pm.ActivityInfo;

import android.content.pm.ApplicationInfo;

                    IntentFilter.MATCH_CATEGORY_EMPTY,

                    allComponents.toArray(new ComponentName[0]),

                    component);

            // Launch the new Home app so the change is immediately visible even if

            // the Home button is not pressed.

            final Context context = getContext();

            Intent i = new Intent(Intent.ACTION_MAIN);

            i.addCategory(Intent.CATEGORY_HOME);

            i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

            context.startActivity(i);

            return true;

        }

        return false;

    @Mock

    private PackageManager mPackageManager;

    private Context mContext;

    private DefaultHomePicker mPicker;

    @Before

        mPicker.onAttach((Context) mActivity);

        ReflectionHelpers.setField(mPicker, "mPm", mPackageManagerWrapper);

        doReturn(RuntimeEnvironment.application).when(mPicker).getContext();

        mContext = spy(RuntimeEnvironment.application);

        doReturn(mContext).when(mPicker).getContext();

    }

    @Test

        verify(mPackageManagerWrapper).replacePreferredActivity(any(IntentFilter.class),

                anyInt(), any(ComponentName[].class), any(ComponentName.class));

        verify(mContext).startActivity(any());

    }

    @Test