PawletOS/app_Settings
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Update "Previous connected device" preference

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1. Show up to 3 devices in main page
2. Add "See all" preference to go ot detail page

Bug: 116350449
Test: Screenshot && RunSettingsRoboTests
Change-Id: Iee0de8a2b7f2543e946a117ba2d9ca9dde6c8678
This commit is contained in:
jackqdyulei
2018-09-24 12:14:27 -07:00
parent 092f66b279
commit b152e6dd1b
6 changed files with 69 additions and 35 deletions
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32
src/com/android/settings/connecteddevice/PreviouslyConnectedDevicePreferenceController.java
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@@ -20,6 +20,7 @@ import android.content.pm.PackageManager;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import androidx.preference.PreferenceGroup;
import androidx.preference.PreferenceScreen;
import com.android.settings.bluetooth.BluetoothDeviceUpdater;
@@ -35,7 +36,9 @@ import com.android.settingslib.core.lifecycle.events.OnStop;
public class PreviouslyConnectedDevicePreferenceController extends BasePreferenceController
implements LifecycleObserver, OnStart, OnStop, DevicePreferenceCallback {
private Preference mPreference;
private static final int MAX_DEVICE_NUM = 3;
private PreferenceGroup mPreferenceGroup;
private BluetoothDeviceUpdater mBluetoothDeviceUpdater;
private DockUpdater mSavedDockUpdater;
private int mPreferenceSize;
@@ -57,8 +60,10 @@ public class PreviouslyConnectedDevicePreferenceController extends BasePreferenc
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mPreferenceGroup = (PreferenceGroup) screen.findPreference(getPreferenceKey());
mPreferenceGroup.setVisible(false);
if (isAvailable()) {
mPreference = screen.findPreference(getPreferenceKey());
final Context context = screen.getContext();
mBluetoothDeviceUpdater.setPrefContext(context);
mSavedDockUpdater.setPreferenceContext(context);
@@ -69,7 +74,6 @@ public class PreviouslyConnectedDevicePreferenceController extends BasePreferenc
public void onStart() {
mBluetoothDeviceUpdater.registerCallback();
mSavedDockUpdater.registerCallback();
updatePreferenceOnSizeChanged();
}
@Override
@@ -86,13 +90,17 @@ public class PreviouslyConnectedDevicePreferenceController extends BasePreferenc
@Override
public void onDeviceAdded(Preference preference) {
mPreferenceSize++;
updatePreferenceOnSizeChanged();
if (mPreferenceSize <= MAX_DEVICE_NUM) {
mPreferenceGroup.addPreference(preference);
}
updatePreferenceVisiblity();
}
@Override
public void onDeviceRemoved(Preference preference) {
mPreferenceSize--;
updatePreferenceOnSizeChanged();
mPreferenceGroup.removePreference(preference);
updatePreferenceVisiblity();
}
@VisibleForTesting
@@ -106,18 +114,12 @@ public class PreviouslyConnectedDevicePreferenceController extends BasePreferenc
}
@VisibleForTesting
void setPreferenceSize(int size) {
mPreferenceSize = size;
void setPreferenceGroup(PreferenceGroup preferenceGroup) {
mPreferenceGroup = preferenceGroup;
}
@VisibleForTesting
void setPreference(Preference preference) {
mPreference = preference;
}
private void updatePreferenceOnSizeChanged() {
if (isAvailable()) {
mPreference.setEnabled(mPreferenceSize != 0);
}
void updatePreferenceVisiblity() {
mPreferenceGroup.setVisible(mPreferenceSize > 0);
}
}