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Added basic and quick & dirty permission handling on non zebra devices
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@ltrudu
ltrudu committed Aug 8, 2024
1 parent 9d07309 commit 4ade639
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Showing 3 changed files with 201 additions and 55 deletions.
2 changes: 1 addition & 1 deletion hsdemo/src/main/AndroidManifest.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@
android:supportsRtl="true"
android:theme="@style/Theme.MyApplication"
tools:targetApi="31">
<uses-library android:name="com.symbol.emdk" />
<uses-library android:name="com.symbol.emdk" android:required="false"/>
<activity
android:name=".MainActivity"
android:exported="true">
Expand Down
250 changes: 198 additions & 52 deletions hsdemo/src/main/java/com/zebra/hsdemo/MainActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.media.AudioAttributes;
import android.media.AudioDeviceInfo;
import android.media.AudioFormat;
Expand All @@ -19,14 +20,18 @@
import android.media.MediaRecorder;
import android.media.audiofx.LoudnessEnhancer;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.provider.Settings;
import android.util.Log;
import android.view.View;
import android.widget.CompoundButton;
import android.widget.SeekBar;
import android.widget.Switch;
import android.widget.TextView;
import android.widget.Toast;
import android.Manifest;

import com.zebra.criticalpermissionshelper.CriticalPermissionsHelper;
import com.zebra.criticalpermissionshelper.EPermissionType;
Expand All @@ -36,13 +41,48 @@
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import androidx.activity.result.ActivityResultLauncher;
import androidx.activity.result.contract.ActivityResultContracts;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;

import static android.os.Environment.*;

public class MainActivity extends AppCompatActivity {

private final String TAG = "hsdemo";
private static final int REQUEST_CODE = 18151;
private ActivityResultLauncher<Intent> manageExternalStorageLauncher = registerForActivityResult(
new ActivityResultContracts.StartActivityForResult(),
result -> {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
if (Environment.isExternalStorageManager()) {
// Permission granted
requestBluetoothPermission();
} else {
Toast.makeText(this, "Accept manage all file permission please", Toast.LENGTH_LONG).show();
requestManageAllFilePermission();
}
}
}
);

private ActivityResultLauncher<String> requestBluetoothConnectPermissionLauncher = registerForActivityResult(
new ActivityResultContracts.RequestPermission(),
isGranted -> {
if (isGranted) {
checkAndRequestPermissions();
} else {
Toast.makeText(this, "Accept bluetooth permission please", Toast.LENGTH_LONG).show();
requestBluetoothPermission();
}
}
);

private AudioManager audioManager;
private BluetoothAdapter bluetoothAdapter;
private BluetoothHeadset mBluetoothHeadset;
Expand Down Expand Up @@ -111,43 +151,10 @@ protected void onCreate(Bundle savedInstanceState) {
setContentView(R.layout.activity_main);
setButtonVisibility(false);

CriticalPermissionsHelper.grantPermission(this, EPermissionType.ALL_DANGEROUS_PERMISSIONS, new IResultCallbacks() {
@Override
public void onSuccess(String message, String resultXML) {
Log.d(TAG, EPermissionType.ALL_DANGEROUS_PERMISSIONS.toString() + " granted with success.");
CriticalPermissionsHelper.grantPermission(MainActivity.this, EPermissionType.MANAGE_EXTERNAL_STORAGE, new IResultCallbacks() {
@Override
public void onSuccess(String message, String resultXML) {
Log.d(TAG, EPermissionType.MANAGE_EXTERNAL_STORAGE.toString() + " granted with success.");
initHSDemo();
}

@Override
public void onError(String message, String resultXML) {
Log.d(TAG, "Error granting " + EPermissionType.MANAGE_EXTERNAL_STORAGE.toString() + " permission.\n" + message);
}

@Override
public void onDebugStatus(String message) {
Log.d(TAG, "Debug Grant Permission " + EPermissionType.MANAGE_EXTERNAL_STORAGE.toString() + ": " + message);
}
});
}

@Override
public void onError(String message, String resultXML) {
Log.d(TAG, "Error granting " + EPermissionType.ALL_DANGEROUS_PERMISSIONS.toString() + " permission.\n" + message);
}

@Override
public void onDebugStatus(String message) {
Log.d(TAG, "Debug Grant Permission " + EPermissionType.ALL_DANGEROUS_PERMISSIONS.toString() + ": " + message);
}
});

checkIfZebraDeviceToGrantAllPermissions();
}

private void setButtonVisibility(boolean visible)
private void setButtonVisibility(boolean visible)
{
findViewById(R.id.llGlobal).setVisibility(visible == true ? View.VISIBLE : View.GONE);
findViewById(R.id.tvMessage).setVisibility(visible == true ? View.GONE : View.VISIBLE);
Expand Down Expand Up @@ -187,23 +194,22 @@ public void onClick(View view) {
findViewById(R.id.btPlayWithMP).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
playWithMediaPlayer();
playWithMediaPlayer();
}
});

findViewById(R.id.btPlayWithATLE).setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View view) {
new Thread(new Runnable() {
@Override
public void run() {
// Your code here
playPcmFileWithAudioTrack(false);
}
}).start();

}
new Thread(new Runnable() {
@Override
public void run() {
// Your code here
playPcmFileWithAudioTrack(false);
}
}).start();
}
});


Expand Down Expand Up @@ -335,7 +341,7 @@ private void startRecording(){

audioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);

bufSize = AudioRecord.getMinBufferSize(sampleRate, channelInConfig, audioFormat);
bufSize = AudioRecord.getMinBufferSize(sampleRate, channelInConfig, audioFormat)*10;
try {
recorder = new AudioRecord( MediaRecorder.AudioSource.MIC ,
sampleRate, channelInConfig, audioFormat, bufSize);
Expand Down Expand Up @@ -366,7 +372,7 @@ public void run() {

private String getFilename()
{
File myCacheFile = new File(getCacheDir(), "hsdemo_audio.pcm");
File myCacheFile = new File(getExternalStorageDirectory(), "hsdemo_audio.pcm");
return myCacheFile.getPath();
}

Expand All @@ -383,9 +389,9 @@ private void writeAudioDataToFile() {

while (isRecording) {
int read = recorder.read(audioData, 0, bufSize);
audioData = MediaFileUtils.applyGain(audioData, read, recordingGain);
if (AudioRecord.ERROR_INVALID_OPERATION != read) {
try {
audioData = MediaFileUtils.applyGain(audioData, read, recordingGain);
os.write(audioData);
} catch (IOException e) {
e.printStackTrace();
Expand Down Expand Up @@ -432,9 +438,10 @@ public void playWithMediaPlayer() {
{
if (isHeadsetConnected()) {
startBluetoothSCOAudio(true);
routeAudioToHeadset(true);
}

routeAudioToHeadset();


int maxVolume = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, maxVolume,0);
Expand Down Expand Up @@ -476,6 +483,7 @@ public void onPrepared(MediaPlayer mediaPlayer) {
mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
mp.stop();
mp.release();
if (audioManager.isBluetoothScoOn()) {
Log.w(TAG, "Stop play Disconnect BTSCO play");
Expand Down Expand Up @@ -533,8 +541,8 @@ private void setCommunicationDevice(int deviceType)
audioManager.setCommunicationDevice(deviceInfo);
}

private void routeAudioToHeadset() {
if (isHeadsetConnected()) {
private void routeAudioToHeadset(boolean headset) {
if (isHeadsetConnected() && headset) {
audioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);
audioManager.setSpeakerphoneOn(false);
setCommunicationDevice(AudioDeviceInfo.TYPE_BLUETOOTH_SCO);
Expand All @@ -545,6 +553,9 @@ private void routeAudioToHeadset() {
}
}

/*
TODO: find why sometimes the
*/
private void playPcmFileWithAudioTrack(boolean manualGain) {
byte[] audioData = null;
File fileToPlay = new File(getFilename());
Expand All @@ -569,9 +580,10 @@ private void playPcmFileWithAudioTrack(boolean manualGain) {

if (isHeadsetConnected()) {
startBluetoothSCOAudio(true);
routeAudioToHeadset(true);
}

routeAudioToHeadset();


AudioAttributes audioAttributes = new AudioAttributes.Builder()
.setUsage(AudioAttributes.USAGE_MEDIA)
Expand Down Expand Up @@ -619,8 +631,142 @@ private void playPcmFileWithAudioTrack(boolean manualGain) {
if (audioManager.isBluetoothScoOn()) {
startBluetoothSCOAudio(false);
} // To check if BT Headset is available to connect SCO and record via BT
}

private void checkIfZebraDeviceToGrantAllPermissions()
{
if(Build.MANUFACTURER.toLowerCase().contains("zebra")) {
CriticalPermissionsHelper.grantPermission(this, EPermissionType.ALL_DANGEROUS_PERMISSIONS, new IResultCallbacks() {
@Override
public void onSuccess(String message, String resultXML) {
Log.d(TAG, EPermissionType.ALL_DANGEROUS_PERMISSIONS.toString() + " granted with success.");
CriticalPermissionsHelper.grantPermission(MainActivity.this, EPermissionType.MANAGE_EXTERNAL_STORAGE, new IResultCallbacks() {
@Override
public void onSuccess(String message, String resultXML) {
Log.d(TAG, EPermissionType.MANAGE_EXTERNAL_STORAGE.toString() + " granted with success.");
initHSDemo();
}

@Override
public void onError(String message, String resultXML) {
Log.d(TAG, "Error granting " + EPermissionType.MANAGE_EXTERNAL_STORAGE.toString() + " permission.\n" + message);
checkAndRequestPermissions();
}

@Override
public void onDebugStatus(String message) {
Log.d(TAG, "Debug Grant Permission " + EPermissionType.MANAGE_EXTERNAL_STORAGE.toString() + ": " + message);
}
});
}

@Override
public void onError(String message, String resultXML) {
Log.d(TAG, "Error granting " + EPermissionType.ALL_DANGEROUS_PERMISSIONS.toString() + " permission.\n" + message);
checkAndRequestPermissions();
}

@Override
public void onDebugStatus(String message) {
Log.d(TAG, "Debug Grant Permission " + EPermissionType.ALL_DANGEROUS_PERMISSIONS.toString() + ": " + message);
}
});
}
else
{
requestManageAllFilePermission();
}

}

private void requestManageAllFilePermission()
{
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
if (!Environment.isExternalStorageManager()) {
Intent intent = new Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION);
Uri uri = Uri.parse("package:" + getPackageName());
intent.setData(uri);
manageExternalStorageLauncher.launch(intent);
}
else
{
requestBluetoothPermission();
}
}
else
{
Log.e(TAG, "This application runs only on device >= A11");
Toast.makeText(this, "This application runs only on device >= A11", Toast.LENGTH_LONG).show();
finish();
}

}

private void requestBluetoothPermission()
{
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
if (ContextCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
requestBluetoothConnectPermissionLauncher.launch(Manifest.permission.BLUETOOTH_CONNECT);
}
else
{
checkAndRequestPermissions();
}
}
else
{
checkAndRequestPermissions();
}
}

private void checkAndRequestPermissions() {
String[] permissions = {
Manifest.permission.MODIFY_AUDIO_SETTINGS,
Manifest.permission.BLUETOOTH,
Manifest.permission.BLUETOOTH_CONNECT,
Manifest.permission.BLUETOOTH_ADMIN,
Manifest.permission.RECORD_AUDIO,
};

List<String> listPermissionsNeeded = new ArrayList<>();
for (String permission : permissions) {
if (ContextCompat.checkSelfPermission(this, permission) != PackageManager.PERMISSION_GRANTED) {
listPermissionsNeeded.add(permission);
}
}

if (!listPermissionsNeeded.isEmpty()) {
ActivityCompat.requestPermissions(this, listPermissionsNeeded.toArray(new String[0]), REQUEST_CODE);
}
else
{
initHSDemo();
}
}

@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == REQUEST_CODE) {
boolean allgranted = true;
for (int i = 0; i < permissions.length; i++) {
if (grantResults[i] == PackageManager.PERMISSION_GRANTED) {
// Permission granted
allgranted = allgranted && true;
} else {
// Permission denied
allgranted = allgranted && false;
}
}
if(allgranted == false)
{
Toast.makeText(this, "Please accept permissions", Toast.LENGTH_LONG).show();
checkAndRequestPermissions();
}
else
{
initHSDemo();
}
}
}
}
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