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Android: add Java class to receive Intents

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We want to be able to respond to a USB device being plugged in.
This simply logs the information we get from the device. Sadly the
really useful getProductName and getManufacturerName require API level
21 (so Android 5.0 or newer) and we still have a couple hundred users on
4.1-4.4.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2018-06-29 13:51:06 -07:00
parent b9fcc9543d
commit d27777790e
2 changed files with 96 additions and 1 deletions
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2
android-mobile/AndroidManifest.xml
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@ -11,7 +11,7 @@
android:label="@string/app_name"
android:icon="@drawable/subsurface_mobile_icon" >
<activity
android:name="org.qtproject.qt5.android.bindings.QtActivity"
android:name="org.subsurfacedivelog.mobile.SubsurfaceMobileActivity"
android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|locale|fontScale|keyboard|keyboardHidden|navigation"
android:label="@string/app_name"
android:theme="@style/AppTheme"

95
android-mobile/src/org/subsurfacedivelog/mobile/SubsurfaceMobileActivity.java Normal file
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@ -0,0 +1,95 @@
// SPDX-License-Identifier: GPL-2.0
// Java classes for handling Intents on Android (which in this case means
// Subsurface-mobile receiving notifaction that an FTDI dive computer was
// plugged in
// Created while looking at https://github.com/ekke/ekkesSHAREexample
package org.subsurfacedivelog.mobile;
import org.qtproject.qt5.android.QtNative;
import org.qtproject.qt5.android.bindings.QtActivity;
import android.os.*;
import android.content.*;
import android.app.*;
import java.lang.String;
import android.content.Intent;
import android.hardware.usb.UsbDevice;
import android.hardware.usb.UsbManager;
import android.util.Log;
// this is the main class that will be run at start
public class SubsurfaceMobileActivity extends QtActivity
{
public static boolean isIntentPending;
public static boolean isInitialized;
private static final String TAG = "subsurfacedivelog.mobile";
// we need to provide two endpoints:
// onNewIntent if we receive an Intent while running
// onCreate if we were started by an Intent
@Override
public void onCreate(Bundle savedInstanceState) {
Log.i(TAG + " onCreate", "onCreate SubsurfaceMobileActivity");
super.onCreate(savedInstanceState);
// now we're checking if the App was started from another Android App via Intent
Intent theIntent = getIntent();
if (theIntent != null) {
String theAction = theIntent.getAction();
if (theAction != null) {
Log.i(TAG + " onCreate", theAction);
isIntentPending = true;
}
}
} // onCreate
// if we are opened from other apps:
@Override
public void onNewIntent(Intent intent) {
Log.i(TAG + " onNewIntent", intent.getAction());
UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
Log.i(TAG + " onNewIntent device name", device.getDeviceName());
// if (Build.VERSION.SDK_INT > 20) {
// Log.i(TAG + " onNewIntent manufacturer name", device.getManufacturerName());
// Log.i(TAG + " onNewIntent product name", device.getProductName());
// }
Log.i(TAG + " onNewIntent toString", device.toString());
super.onNewIntent(intent);
setIntent(intent);
// Intent will be processed, if all is initialized and Qt / QML can handle the event
if (isInitialized) {
processIntent();
} else {
isIntentPending = true;
}
} // onNewIntent
public void checkPendingIntents(String workingDir) {
isInitialized = true;
Log.i(TAG + " checkPendingIntents", workingDir);
if (isIntentPending) {
isIntentPending = false;
Log.i(TAG + " checkPendingIntents", "checkPendingIntents: true");
processIntent();
} else {
Log.i(TAG + " checkPendingIntents", "nothingPending");
}
} // checkPendingIntents
private void processIntent() {
Intent intent = getIntent();
Log.i(TAG + " processIntent", intent.getAction());
UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
Log.i(TAG + " processIntent device name", device.getDeviceName());
// if (Build.VERSION.SDK_INT > 20) {
// Log.i(TAG + " processIntent manufacturer name", device.getManufacturerName());
// Log.i(TAG + " processIntent product name", device.getProductName());
// }
Log.i(TAG + " processIntent toString", device.toString());
} // processIntent
}