| /* |
| * 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 android.app.Activity; |
| import android.bluetooth.BluetoothDevice; |
| import android.companion.CompanionDeviceManager; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.res.Resources; |
| import android.database.DataSetObserver; |
| import android.graphics.Color; |
| 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 android.widget.Toast; |
| |
| public class DeviceChooserActivity extends Activity { |
| |
| private static final boolean DEBUG = false; |
| private static final String LOG_TAG = "DeviceChooserActivity"; |
| |
| private 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()); |
| |
| setContentView(R.layout.device_chooser); |
| setTitle(Html.fromHtml(getString(R.string.chooser_title, getCallingAppName()), 0)); |
| getWindow().getDecorView().getRootView().setBackgroundColor(Color.LTGRAY); //TODO theme |
| |
| if (getService().mDevicesFound.isEmpty()) { |
| Log.e(LOG_TAG, "About to show UI, but no devices to show"); |
| } |
| |
| final DeviceDiscoveryService.DevicesAdapter adapter = getService().mDevicesAdapter; |
| mDeviceListView = (ListView) findViewById(R.id.device_list); |
| mDeviceListView.setAdapter(adapter); |
| mDeviceListView.addFooterView(getProgressBar(), null, false); |
| |
| mPairButton = findViewById(R.id.button_pair); |
| mPairButton.setOnClickListener((view) -> |
| onPairTapped(getService().mSelectedDevice)); |
| adapter.registerDataSetObserver(new DataSetObserver() { |
| @Override |
| public void onChanged() { |
| updatePairButtonEnabled(); |
| } |
| }); |
| updatePairButtonEnabled(); |
| mCancelButton = findViewById(R.id.button_cancel); |
| mCancelButton.setOnClickListener((view) -> { |
| setResult(RESULT_CANCELED); |
| finish(); |
| }); |
| } |
| |
| private CharSequence getCallingAppName() { |
| try { |
| final PackageManager packageManager = getPackageManager(); |
| return packageManager.getApplicationLabel( |
| packageManager.getApplicationInfo(getService().mCallingPackage, 0)); |
| } catch (PackageManager.NameNotFoundException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public void setTitle(CharSequence title) { |
| final TextView titleView = (TextView) 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); |
| //TODO |
| // final float dp = r.getDisplayMetrics().density; |
| // return (int)(12 * dp); |
| } |
| |
| private void updatePairButtonEnabled() { |
| mPairButton.setEnabled(getService().mSelectedDevice != null); |
| } |
| |
| private DeviceDiscoveryService getService() { |
| return DeviceDiscoveryService.sInstance; |
| } |
| |
| protected void onPairTapped(BluetoothDevice selectedDevice) { |
| setResult(RESULT_OK, |
| new Intent().putExtra(CompanionDeviceManager.EXTRA_DEVICE, selectedDevice)); |
| finish(); |
| } |
| |
| private void toast(String msg) { |
| Toast.makeText(this, msg, Toast.LENGTH_SHORT).show(); |
| } |
| } |