| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.companiondevicemanager; |
| |
| import static android.companion.BluetoothDeviceFilterUtils.getDeviceMacAddress; |
| import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import android.app.Activity; |
| import android.companion.CompanionDeviceManager; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.res.Resources; |
| import android.database.DataSetObserver; |
| import android.os.Bundle; |
| import android.text.Html; |
| import android.util.Log; |
| import android.view.Gravity; |
| import android.view.View; |
| import android.widget.ListView; |
| import android.widget.ProgressBar; |
| import android.widget.TextView; |
| |
| import com.android.companiondevicemanager.DeviceDiscoveryService.DeviceFilterPair; |
| import com.android.internal.util.Preconditions; |
| |
| public class DeviceChooserActivity extends Activity { |
| |
| private static final boolean DEBUG = false; |
| private static final String LOG_TAG = "DeviceChooserActivity"; |
| |
| View mLoadingIndicator = null; |
| ListView mDeviceListView; |
| private View mPairButton; |
| private View mCancelButton; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| if (DEBUG) Log.i(LOG_TAG, "Started with intent " + getIntent()); |
| |
| if (getService().mDevicesFound.isEmpty()) { |
| Log.e(LOG_TAG, "About to show UI, but no devices to show"); |
| } |
| |
| getWindow().addSystemFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS); |
| |
| if (getService().mRequest.isSingleDevice()) { |
| setContentView(R.layout.device_confirmation); |
| final DeviceFilterPair selectedDevice = getService().mDevicesFound.get(0); |
| setTitle(Html.fromHtml(getString( |
| R.string.confirmation_title, |
| Html.escapeHtml(getCallingAppName()), |
| Html.escapeHtml(selectedDevice.getDisplayName())), 0)); |
| mPairButton = findViewById(R.id.button_pair); |
| mPairButton.setOnClickListener(v -> onDeviceConfirmed(getService().mSelectedDevice)); |
| getService().mSelectedDevice = selectedDevice; |
| onSelectionUpdate(); |
| } else { |
| setContentView(R.layout.device_chooser); |
| mPairButton = findViewById(R.id.button_pair); |
| mPairButton.setVisibility(View.GONE); |
| setTitle(Html.fromHtml(getString(R.string.chooser_title, |
| Html.escapeHtml(getCallingAppName())), 0)); |
| mDeviceListView = findViewById(R.id.device_list); |
| final DeviceDiscoveryService.DevicesAdapter adapter = getService().mDevicesAdapter; |
| mDeviceListView.setAdapter(adapter); |
| adapter.registerDataSetObserver(new DataSetObserver() { |
| @Override |
| public void onChanged() { |
| onSelectionUpdate(); |
| } |
| }); |
| mDeviceListView.addFooterView(mLoadingIndicator = getProgressBar(), null, false); |
| } |
| getService().mActivity = this; |
| |
| mCancelButton = findViewById(R.id.button_cancel); |
| mCancelButton.setOnClickListener(v -> cancel()); |
| } |
| |
| private void cancel() { |
| getService().onCancel(); |
| setResult(RESULT_CANCELED); |
| finish(); |
| } |
| |
| @Override |
| protected void onStop() { |
| super.onStop(); |
| if (!isFinishing() && !isChangingConfigurations()) { |
| cancel(); |
| } |
| } |
| |
| private CharSequence getCallingAppName() { |
| try { |
| final PackageManager packageManager = getPackageManager(); |
| String callingPackage = Preconditions.checkStringNotEmpty( |
| getCallingPackage(), |
| "This activity must be called for result"); |
| return packageManager.getApplicationLabel( |
| packageManager.getApplicationInfo(callingPackage, 0)); |
| } catch (PackageManager.NameNotFoundException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public String getCallingPackage() { |
| return requireNonNull(getService().mRequest.getCallingPackage()); |
| } |
| |
| @Override |
| public void setTitle(CharSequence title) { |
| final TextView titleView = findViewById(R.id.title); |
| final int padding = getPadding(getResources()); |
| titleView.setPadding(padding, padding, padding, padding); |
| titleView.setText(title); |
| } |
| |
| //TODO put in resources xmls |
| private ProgressBar getProgressBar() { |
| final ProgressBar progressBar = new ProgressBar(this); |
| progressBar.setForegroundGravity(Gravity.CENTER_HORIZONTAL); |
| final int padding = getPadding(getResources()); |
| progressBar.setPadding(padding, padding, padding, padding); |
| return progressBar; |
| } |
| |
| static int getPadding(Resources r) { |
| return r.getDimensionPixelSize(R.dimen.padding); |
| } |
| |
| private void onSelectionUpdate() { |
| DeviceFilterPair selectedDevice = getService().mSelectedDevice; |
| if (mPairButton.getVisibility() != View.VISIBLE && selectedDevice != null) { |
| onDeviceConfirmed(selectedDevice); |
| } else { |
| mPairButton.setEnabled(selectedDevice != null); |
| } |
| } |
| |
| private DeviceDiscoveryService getService() { |
| return DeviceDiscoveryService.sInstance; |
| } |
| |
| protected void onDeviceConfirmed(DeviceFilterPair selectedDevice) { |
| getService().onDeviceSelected( |
| getCallingPackage(), getDeviceMacAddress(selectedDevice.device)); |
| setResult(RESULT_OK, |
| new Intent().putExtra(CompanionDeviceManager.EXTRA_DEVICE, selectedDevice.device)); |
| finish(); |
| } |
| } |