kopia lustrzana https://github.com/mik3y/usb-serial-for-android
manage USB permission intent
rodzic
6a50595274
commit
ac1fe40793
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@ -22,7 +22,11 @@
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package com.hoho.android.usbserial.examples;
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import android.app.Activity;
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import android.app.PendingIntent;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.hardware.usb.UsbDevice;
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import android.hardware.usb.UsbManager;
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import android.os.AsyncTask;
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@ -39,6 +43,7 @@ import android.widget.ArrayAdapter;
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import android.widget.ListView;
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import android.widget.ProgressBar;
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import android.widget.TextView;
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import android.widget.Toast;
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import android.widget.TwoLineListItem;
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import com.hoho.android.usbserial.driver.UsbSerialDriver;
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@ -59,12 +64,14 @@ public class DeviceListActivity extends Activity {
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private final String TAG = DeviceListActivity.class.getSimpleName();
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private UsbManager mUsbManager;
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private UsbSerialPort mSerialPort;
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private ListView mListView;
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private TextView mProgressBarTitle;
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private ProgressBar mProgressBar;
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private static final int MESSAGE_REFRESH = 101;
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private static final long REFRESH_TIMEOUT_MILLIS = 5000;
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public static final String INTENT_ACTION_GRANT_USB = BuildConfig.APPLICATION_ID + ".GRANT_USB";
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private final Handler mHandler = new Handler() {
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@Override
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@ -81,6 +88,7 @@ public class DeviceListActivity extends Activity {
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}
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};
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private BroadcastReceiver mUsbReceiver;
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private List<UsbSerialPort> mEntries = new ArrayList<UsbSerialPort>();
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private ArrayAdapter<UsbSerialPort> mAdapter;
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@ -89,11 +97,25 @@ public class DeviceListActivity extends Activity {
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.main);
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final Context context = this;
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mUsbManager = (UsbManager) getSystemService(Context.USB_SERVICE);
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mListView = (ListView) findViewById(R.id.deviceList);
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mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
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mProgressBarTitle = (TextView) findViewById(R.id.progressBarTitle);
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mListView = findViewById(R.id.deviceList);
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mProgressBar = findViewById(R.id.progressBar);
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mProgressBarTitle = findViewById(R.id.progressBarTitle);
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mUsbReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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if(intent.getAction().equals(INTENT_ACTION_GRANT_USB)) {
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if (intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false)) {
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showConsoleActivity(mSerialPort);
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} else {
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Toast.makeText(context, "USB permission denied", Toast.LENGTH_SHORT).show();
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}
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}
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}
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};
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mAdapter = new ArrayAdapter<UsbSerialPort>(this,
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android.R.layout.simple_expandable_list_item_2, mEntries) {
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@ -135,8 +157,14 @@ public class DeviceListActivity extends Activity {
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return;
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}
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final UsbSerialPort port = mEntries.get(position);
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showConsoleActivity(port);
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mSerialPort = mEntries.get(position);
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UsbDevice device = mSerialPort.getDriver().getDevice();
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if (!mUsbManager.hasPermission(device)) {
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PendingIntent usbPermissionIntent = PendingIntent.getBroadcast(context, 0, new Intent(INTENT_ACTION_GRANT_USB), 0);
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mUsbManager.requestPermission(device, usbPermissionIntent);
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} else {
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showConsoleActivity(mSerialPort);
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}
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}
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});
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}
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@ -145,12 +173,14 @@ public class DeviceListActivity extends Activity {
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protected void onResume() {
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super.onResume();
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mHandler.sendEmptyMessage(MESSAGE_REFRESH);
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registerReceiver(mUsbReceiver, new IntentFilter(INTENT_ACTION_GRANT_USB));
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}
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@Override
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protected void onPause() {
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super.onPause();
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mHandler.removeMessages(MESSAGE_REFRESH);
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unregisterReceiver(mUsbReceiver);
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}
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private void refreshDeviceList() {
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