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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.contacts.activities;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.os.Trace;
import androidx.core.app.ActivityCompat;
import com.android.contacts.model.AccountTypeManager;
import com.android.contacts.util.PermissionsUtil;
import java.util.ArrayList;
import java.util.Arrays;
/**
* Activity that asks the user for all {@link #getPermissions} if any are missing.
*
* NOTE: As a result of b/22095159, this can behave oddly in the case where the final permission
* you are requesting causes an application restart.
*/
public abstract class RequestPermissionsActivityBase extends Activity
implements ActivityCompat.OnRequestPermissionsResultCallback {
public static final String PREVIOUS_ACTIVITY_INTENT = "previous_intent";
/** Whether the permissions activity was already started. */
protected static final String EXTRA_STARTED_PERMISSIONS_ACTIVITY =
"started_permissions_activity";
protected static final String EXTRA_IS_CALLER_SELF = "is_caller_self";
private static final int PERMISSIONS_REQUEST_ALL_PERMISSIONS = 1;
/**
* @return list of permissions that are needed in order for {@link #PREVIOUS_ACTIVITY_INTENT}
* to operate. You only need to return a single permission per permission group you care about.
*/
protected abstract String[] getPermissions();
protected Intent mPreviousActivityIntent;
/** If true then start the target activity "for result" after permissions are granted. */
protected boolean mIsCallerSelf;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mPreviousActivityIntent = (Intent) getIntent().getExtras().get(PREVIOUS_ACTIVITY_INTENT);
mIsCallerSelf = getIntent().getBooleanExtra(EXTRA_IS_CALLER_SELF, false);
// Only start a requestPermissions() flow when first starting this activity the first time.
// The process is likely to be restarted during the permission flow (necessary to enable
// permissions) so this is important to track.
if (savedInstanceState == null) {
requestPermissions();
}
}
/**
* If any permissions the Contacts app needs are missing, open an Activity
* to prompt the user for these permissions. Moreover, finish the current activity.
*
* This is designed to be called inside {@link android.app.Activity#onCreate}
*/
protected static boolean startPermissionActivity(Activity activity,
String[] requiredPermissions, Class<?> newActivityClass) {
return startPermissionActivity(activity, requiredPermissions, /* isCallerSelf */ false,
newActivityClass);
}
protected static boolean startPermissionActivity(Activity activity,
String[] requiredPermissions, boolean isCallerSelf, Class<?> newActivityClass) {
if (!hasPermissions(activity, requiredPermissions)) {
final Intent intent = new Intent(activity, newActivityClass);
activity.getIntent().putExtra(EXTRA_STARTED_PERMISSIONS_ACTIVITY, true);
intent.putExtra(PREVIOUS_ACTIVITY_INTENT, activity.getIntent());
intent.putExtra(EXTRA_IS_CALLER_SELF, isCallerSelf);
activity.startActivity(intent);
activity.finish();
return true;
}
// Account type initialization must be delayed until the Contacts permission group
// has been granted (since GET_ACCOUNTS) falls under that groups. Previously it
// was initialized in ContactApplication which would cause problems as
// AccountManager.getAccounts would return an empty array. See b/22690336
AccountTypeManager.getInstance(activity);
return false;
}
protected boolean isAllGranted(String permissions[], int[] grantResult) {
for (int i = 0; i < permissions.length; i++) {
if (grantResult[i] != PackageManager.PERMISSION_GRANTED
&& isPermissionRequired(permissions[i])) {
return false;
}
}
return true;
}
private boolean isPermissionRequired(String p) {
return Arrays.asList(getPermissions()).contains(p);
}
private void requestPermissions() {
Trace.beginSection("requestPermissions");
try {
// Construct a list of missing permissions
final ArrayList<String> unsatisfiedPermissions = new ArrayList<>();
for (String permission : getPermissions()) {
if (!PermissionsUtil.hasPermission(this, permission)) {
unsatisfiedPermissions.add(permission);
}
}
if (unsatisfiedPermissions.size() == 0) {
throw new RuntimeException("Request permission activity was called even"
+ " though all permissions are satisfied.");
}
ActivityCompat.requestPermissions(
this,
unsatisfiedPermissions.toArray(new String[unsatisfiedPermissions.size()]),
PERMISSIONS_REQUEST_ALL_PERMISSIONS);
} finally {
Trace.endSection();
}
}
protected static boolean hasPermissions(Context context, String[] permissions) {
Trace.beginSection("hasPermission");
try {
for (String permission : permissions) {
if (!PermissionsUtil.hasPermission(context, permission)) {
return false;
}
}
return true;
} finally {
Trace.endSection();
}
}
}