1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.usb; 18 19 import android.app.Activity; 20 import android.content.Intent; 21 import android.hardware.usb.ParcelableUsbPort; 22 import android.hardware.usb.UsbManager; 23 import android.hardware.usb.UsbPort; 24 import android.os.Bundle; 25 import android.util.Log; 26 import android.view.View; 27 import android.view.Window; 28 import android.view.WindowManager; 29 import android.widget.TextView; 30 import android.widget.Toast; 31 32 import com.android.systemui.R; 33 34 /** 35 * Activity that alerts the user when contaminant is detected on USB port. 36 */ 37 public class UsbContaminantActivity extends Activity implements View.OnClickListener { 38 private static final String TAG = "UsbContaminantActivity"; 39 40 private UsbPort mUsbPort; 41 private TextView mLearnMore; 42 private TextView mGotIt; 43 private TextView mEnableUsb; 44 private TextView mTitle; 45 private TextView mMessage; 46 47 @Override onCreate(Bundle icicle)48 public void onCreate(Bundle icicle) { 49 Window window = getWindow(); 50 window.addSystemFlags(WindowManager.LayoutParams 51 .SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS); 52 window.setType(WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG); 53 requestWindowFeature(Window.FEATURE_NO_TITLE); 54 55 super.onCreate(icicle); 56 setContentView(R.layout.contaminant_dialog); 57 58 Intent intent = getIntent(); 59 ParcelableUsbPort port = intent.getParcelableExtra(UsbManager.EXTRA_PORT); 60 mUsbPort = port.getUsbPort(getSystemService(UsbManager.class)); 61 62 mLearnMore = findViewById(R.id.learnMore); 63 mEnableUsb = findViewById(R.id.enableUsb); 64 mGotIt = findViewById(R.id.gotIt); 65 mTitle = findViewById(R.id.title); 66 mMessage = findViewById(R.id.message); 67 68 mTitle.setText(getString(R.string.usb_contaminant_title)); 69 mMessage.setText(getString(R.string.usb_contaminant_message)); 70 mEnableUsb.setText(getString(R.string.usb_disable_contaminant_detection)); 71 mGotIt.setText(getString(R.string.got_it)); 72 mLearnMore.setText(getString(R.string.learn_more)); 73 74 mEnableUsb.setOnClickListener(this); 75 mGotIt.setOnClickListener(this); 76 mLearnMore.setOnClickListener(this); 77 } 78 79 @Override onWindowAttributesChanged(WindowManager.LayoutParams params)80 public void onWindowAttributesChanged(WindowManager.LayoutParams params) { 81 super.onWindowAttributesChanged(params); 82 } 83 84 @Override onClick(View v)85 public void onClick(View v) { 86 if (v == mEnableUsb) { 87 try { 88 mUsbPort.enableContaminantDetection(false); 89 Toast.makeText(this, R.string.usb_port_enabled, 90 Toast.LENGTH_SHORT).show(); 91 } catch (Exception e) { 92 Log.e(TAG, "Unable to notify Usb service", e); 93 } 94 } else if (v == mLearnMore) { 95 final Intent intent = new Intent(); 96 intent.setClassName("com.android.settings", 97 "com.android.settings.HelpTrampoline"); 98 intent.putExtra(Intent.EXTRA_TEXT, 99 "help_url_usb_contaminant_detected"); 100 startActivity(intent); 101 } 102 finish(); 103 } 104 } 105