124 lines
4.4 KiB
Java
124 lines
4.4 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.deviceinfo;
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import android.annotation.Nullable;
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import android.app.Activity;
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import android.app.ActivityManager;
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import android.app.AlertDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.hardware.usb.UsbManager;
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import android.os.Bundle;
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import android.os.UserManager;
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import com.android.settings.R;
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/**
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* UI for the USB chooser dialog.
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*
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*/
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public class UsbModeChooserActivity extends Activity {
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private UsbManager mUsbManager;
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@Override
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protected void onCreate(@Nullable Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mUsbManager = (UsbManager) getSystemService(Context.USB_SERVICE);
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CharSequence[] items;
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UserManager userManager =
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(UserManager) getSystemService(Context.USER_SERVICE);
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if (userManager.hasUserRestriction(UserManager.DISALLOW_USB_FILE_TRANSFER)) {
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items = new CharSequence[] { getText(R.string.usb_use_charging_only) };
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} else {
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items = getResources().getTextArray(R.array.usb_available_functions);
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}
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final AlertDialog levelDialog;
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder.setTitle(R.string.usb_use);
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builder.setSingleChoiceItems(items, getCurrentFunction(),
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new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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if (!ActivityManager.isUserAMonkey()) {
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setCurrentFunction(which);
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}
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dialog.dismiss();
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UsbModeChooserActivity.this.finish();
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}
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});
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builder.setOnDismissListener(new DialogInterface.OnDismissListener() {
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@Override
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public void onDismiss(DialogInterface dialog) {
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UsbModeChooserActivity.this.finish();
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}
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});
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builder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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UsbModeChooserActivity.this.finish();
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}
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});
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levelDialog = builder.create();
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levelDialog.show();
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}
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/*
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* If you change the numbers here, you also need to change R.array.usb_available_functions
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* so that everything matches.
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*/
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private int getCurrentFunction() {
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if (!mUsbManager.isUsbDataUnlocked()) {
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return 0;
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} else if (mUsbManager.isFunctionEnabled(UsbManager.USB_FUNCTION_MTP)) {
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return 1;
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} else if (mUsbManager.isFunctionEnabled(UsbManager.USB_FUNCTION_PTP)) {
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return 2;
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} else if (mUsbManager.isFunctionEnabled(UsbManager.USB_FUNCTION_MIDI)) {
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return 3;
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}
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return 0;
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}
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/*
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* If you change the numbers here, you also need to change R.array.usb_available_functions
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* so that everything matches.
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*/
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private void setCurrentFunction(int which) {
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switch (which) {
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case 0:
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mUsbManager.setCurrentFunction(null);
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mUsbManager.setUsbDataUnlocked(false);
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break;
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case 1:
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mUsbManager.setCurrentFunction(UsbManager.USB_FUNCTION_MTP);
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mUsbManager.setUsbDataUnlocked(true);
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break;
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case 2:
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mUsbManager.setCurrentFunction(UsbManager.USB_FUNCTION_PTP);
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mUsbManager.setUsbDataUnlocked(true);
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break;
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case 3:
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mUsbManager.setCurrentFunction(UsbManager.USB_FUNCTION_MIDI);
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mUsbManager.setUsbDataUnlocked(true);
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break;
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}
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}
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}
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