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Revert "Revert "Get PackageManager from Context""

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This reverts commit db37a06c60.

Reason for revert: This CL was reverted by mistake

Bug: 263565738
Test: Compiles
Change-Id: I890e44a73b108501b830625eada68322ef63e192
This commit is contained in:
Alisher Alikhodjaev
2023-02-02 21:40:28 +00:00
committed by Roshan Pius
parent db37a06c60
commit b31ec5a974
3 changed files with 29 additions and 102 deletions
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105
core/java/android/nfc/NfcAdapter.java
View File

@@ -29,7 +29,6 @@ import android.app.PendingIntent;
import android.compat.annotation.UnsupportedAppUsage;
import android.content.Context;
import android.content.IntentFilter;
import android.content.pm.IPackageManager;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.nfc.tech.MifareClassic;
@@ -524,66 +523,6 @@ public final class NfcAdapter {
public boolean onUnlockAttempted(Tag tag);
}
/**
* Helper to check if this device has FEATURE_NFC_BEAM, but without using
* a context.
* Equivalent to
* context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_NFC_BEAM)
*/
private static boolean hasBeamFeature() {
IPackageManager pm = ActivityThread.getPackageManager();
if (pm == null) {
Log.e(TAG, "Cannot get package manager, assuming no Android Beam feature");
return false;
}
try {
return pm.hasSystemFeature(PackageManager.FEATURE_NFC_BEAM, 0);
} catch (RemoteException e) {
Log.e(TAG, "Package manager query failed, assuming no Android Beam feature", e);
return false;
}
}
/**
* Helper to check if this device has FEATURE_NFC, but without using
* a context.
* Equivalent to
* context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_NFC)
*/
private static boolean hasNfcFeature() {
IPackageManager pm = ActivityThread.getPackageManager();
if (pm == null) {
Log.e(TAG, "Cannot get package manager, assuming no NFC feature");
return false;
}
try {
return pm.hasSystemFeature(PackageManager.FEATURE_NFC, 0);
} catch (RemoteException e) {
Log.e(TAG, "Package manager query failed, assuming no NFC feature", e);
return false;
}
}
/**
* Helper to check if this device is NFC HCE capable, by checking for
* FEATURE_NFC_HOST_CARD_EMULATION and/or FEATURE_NFC_HOST_CARD_EMULATION_NFCF,
* but without using a context.
*/
private static boolean hasNfcHceFeature() {
IPackageManager pm = ActivityThread.getPackageManager();
if (pm == null) {
Log.e(TAG, "Cannot get package manager, assuming no NFC feature");
return false;
}
try {
return pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION, 0)
|| pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION_NFCF, 0);
} catch (RemoteException e) {
Log.e(TAG, "Package manager query failed, assuming no NFC feature", e);
return false;
}
}
/**
* Return list of Secure Elements which support off host card emulation.
*
@@ -593,23 +532,21 @@ public final class NfcAdapter {
* @hide
*/
public @NonNull List<String> getSupportedOffHostSecureElements() {
if (mContext == null) {
throw new UnsupportedOperationException("You need a context on NfcAdapter to use the "
+ " getSupportedOffHostSecureElements APIs");
}
List<String> offHostSE = new ArrayList<String>();
IPackageManager pm = ActivityThread.getPackageManager();
PackageManager pm = mContext.getPackageManager();
if (pm == null) {
Log.e(TAG, "Cannot get package manager, assuming no off-host CE feature");
return offHostSE;
}
try {
if (pm.hasSystemFeature(PackageManager.FEATURE_NFC_OFF_HOST_CARD_EMULATION_UICC, 0)) {
offHostSE.add("SIM");
}
if (pm.hasSystemFeature(PackageManager.FEATURE_NFC_OFF_HOST_CARD_EMULATION_ESE, 0)) {
offHostSE.add("eSE");
}
} catch (RemoteException e) {
Log.e(TAG, "Package manager query failed, assuming no off-host CE feature", e);
offHostSE.clear();
return offHostSE;
if (pm.hasSystemFeature(PackageManager.FEATURE_NFC_OFF_HOST_CARD_EMULATION_UICC)) {
offHostSE.add("SIM");
}
if (pm.hasSystemFeature(PackageManager.FEATURE_NFC_OFF_HOST_CARD_EMULATION_ESE)) {
offHostSE.add("eSE");
}
return offHostSE;
}
@@ -621,10 +558,20 @@ public final class NfcAdapter {
*/
@UnsupportedAppUsage
public static synchronized NfcAdapter getNfcAdapter(Context context) {
if (context == null) {
if (sNullContextNfcAdapter == null) {
sNullContextNfcAdapter = new NfcAdapter(null);
}
return sNullContextNfcAdapter;
}
if (!sIsInitialized) {
sHasNfcFeature = hasNfcFeature();
sHasBeamFeature = hasBeamFeature();
boolean hasHceFeature = hasNfcHceFeature();
PackageManager pm;
pm = context.getPackageManager();
sHasNfcFeature = pm.hasSystemFeature(PackageManager.FEATURE_NFC);
sHasBeamFeature = pm.hasSystemFeature(PackageManager.FEATURE_NFC_BEAM);
boolean hasHceFeature =
pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION)
|| pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION_NFCF);
/* is this device meant to have NFC */
if (!sHasNfcFeature && !hasHceFeature) {
Log.v(TAG, "this device does not have NFC support");
@@ -660,12 +607,6 @@ public final class NfcAdapter {
sIsInitialized = true;
}
if (context == null) {
if (sNullContextNfcAdapter == null) {
sNullContextNfcAdapter = new NfcAdapter(null);
}
return sNullContextNfcAdapter;
}
NfcAdapter adapter = sNfcAdapters.get(context);
if (adapter == null) {
adapter = new NfcAdapter(context);

13
core/java/android/nfc/cardemulation/CardEmulation.java
View File

@@ -22,11 +22,9 @@ import android.annotation.RequiresPermission;
import android.annotation.SdkConstant;
import android.annotation.SdkConstant.SdkConstantType;
import android.app.Activity;
import android.app.ActivityThread;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.IPackageManager;
import android.content.pm.PackageManager;
import android.nfc.INfcCardEmulation;
import android.nfc.NfcAdapter;
@@ -158,18 +156,13 @@ public final class CardEmulation {
throw new UnsupportedOperationException();
}
if (!sIsInitialized) {
IPackageManager pm = ActivityThread.getPackageManager();
PackageManager pm = context.getPackageManager();
if (pm == null) {
Log.e(TAG, "Cannot get PackageManager");
throw new UnsupportedOperationException();
}
try {
if (!pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION, 0)) {
Log.e(TAG, "This device does not support card emulation");
throw new UnsupportedOperationException();
}
} catch (RemoteException e) {
Log.e(TAG, "PackageManager query failed.");
if (!pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION)) {
Log.e(TAG, "This device does not support card emulation");
throw new UnsupportedOperationException();
}
sIsInitialized = true;

13
core/java/android/nfc/cardemulation/NfcFCardEmulation.java
View File

@@ -17,10 +17,8 @@
package android.nfc.cardemulation;
import android.app.Activity;
import android.app.ActivityThread;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.IPackageManager;
import android.content.pm.PackageManager;
import android.nfc.INfcFCardEmulation;
import android.nfc.NfcAdapter;
@@ -70,18 +68,13 @@ public final class NfcFCardEmulation {
throw new UnsupportedOperationException();
}
if (!sIsInitialized) {
IPackageManager pm = ActivityThread.getPackageManager();
PackageManager pm = context.getPackageManager();
if (pm == null) {
Log.e(TAG, "Cannot get PackageManager");
throw new UnsupportedOperationException();
}
try {
if (!pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION_NFCF, 0)) {
Log.e(TAG, "This device does not support NFC-F card emulation");
throw new UnsupportedOperationException();
}
} catch (RemoteException e) {
Log.e(TAG, "PackageManager query failed.");
if (!pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION_NFCF)) {
Log.e(TAG, "This device does not support NFC-F card emulation");
throw new UnsupportedOperationException();
}
sIsInitialized = true;