Android 运行时权限不起作用
这是我在OnCreate()方法中的代码:Android 运行时权限不起作用,android,runtime-permissions,Android,Runtime Permissions,这是我在OnCreate()方法中的代码: if (ContextCompat.checkSelfPermission(thisActivity, Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) { if (ActivityCompat.shouldShowRequestPermissionRationale(thisActivity, Manife
if (ContextCompat.checkSelfPermission(thisActivity,
Manifest.permission.READ_CONTACTS)
!= PackageManager.PERMISSION_GRANTED) {
if (ActivityCompat.shouldShowRequestPermissionRationale(thisActivity,
Manifest.permission.RECIEVE_SMS)) {
} else {
ActivityCompat.requestPermissions(thisActivity,
new String[]{Manifest.permission.READ_CONTACTS},1);
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
switch (requestCode) {
case 1:
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
init();
}else{
finish();
}
在我的onRequestPermissionsResult()方法中:
if (ContextCompat.checkSelfPermission(thisActivity,
Manifest.permission.READ_CONTACTS)
!= PackageManager.PERMISSION_GRANTED) {
if (ActivityCompat.shouldShowRequestPermissionRationale(thisActivity,
Manifest.permission.RECIEVE_SMS)) {
} else {
ActivityCompat.requestPermissions(thisActivity,
new String[]{Manifest.permission.READ_CONTACTS},1);
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
switch (requestCode) {
case 1:
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
init();
}else{
finish();
}
并且我的清单文件具有以下权限
<uses-permission android:name="android.permission.RECEIVE_SMS"/>
<uses-permission android:name="android.permission.SEND_SMS"/>
<uses-permission android:name="android.permission.READ_SMS"/>
但是我没有得到请求许可的对话框,我无法解决问题?试试这个:
if (ActivityCompat.checkSelfPermission(AddnewPhotoActivity.this, Manifest.permission.READ_EXTERNAL_STORAGE)
!= PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(AddnewPhotoActivity.this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, REQUEST_READ_EXTERNAL_STORAGE);
} else {
isPermissionGranted(true);
}
ispermissiongrated(布尔值);=>方法调用
public void isPermissionGranted(boolean permission) {
if (permission) {
//Your Operation
} else {
Toast.makeText(this, "Permission not granted", Toast.LENGTH_SHORT).show();
}
}
onRequestPermissionsResult
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == REQUEST_READ_EXTERNAL_STORAGE) {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
isPermissionGranted(true);
} else
{
isPermissionGranted(false);
}
}
}
试试这个:
if (ActivityCompat.checkSelfPermission(AddnewPhotoActivity.this, Manifest.permission.READ_EXTERNAL_STORAGE)
!= PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(AddnewPhotoActivity.this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, REQUEST_READ_EXTERNAL_STORAGE);
} else {
isPermissionGranted(true);
}
ispermissiongrated(布尔值);=>方法调用
public void isPermissionGranted(boolean permission) {
if (permission) {
//Your Operation
} else {
Toast.makeText(this, "Permission not granted", Toast.LENGTH_SHORT).show();
}
}
onRequestPermissionsResult
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == REQUEST_READ_EXTERNAL_STORAGE) {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
isPermissionGranted(true);
} else
{
isPermissionGranted(false);
}
}
}
如果您的应用目标是Android 6.0及以上版本,请添加运行时权限 从Android 6.0(API级别23)开始,用户在应用程序运行时向应用程序授予权限,而不是在安装应用程序时授予权限 使用以下代码为READ_SMS添加运行时权限
String permission = Manifest.permission.READ_SMS;
int grant = ContextCompat.checkSelfPermission(this, permission);
if (grant != PackageManager.PERMISSION_GRANTED) {
String[] permission_list = new String[1];
permission_list[0] = permission;
ActivityCompat.requestPermissions(this, permission_list, 1);
}
而不是像这样处理结果
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
@NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == 1) {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Toast.makeText(AccountClass.this,"permission granted", Toast.LENGTH_SHORT).show();
// perform your action here
} else {
Toast.makeText(AccountClass.this,"permission not granted", Toast.LENGTH_SHORT).show();
}
}
}
如果您的应用目标是Android 6.0及以上版本,请添加运行时权限 从Android 6.0(API级别23)开始,用户在应用程序运行时向应用程序授予权限,而不是在安装应用程序时授予权限 使用以下代码为READ_SMS添加运行时权限
String permission = Manifest.permission.READ_SMS;
int grant = ContextCompat.checkSelfPermission(this, permission);
if (grant != PackageManager.PERMISSION_GRANTED) {
String[] permission_list = new String[1];
permission_list[0] = permission;
ActivityCompat.requestPermissions(this, permission_list, 1);
}
而不是像这样处理结果
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
@NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == 1) {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Toast.makeText(AccountClass.this,"permission granted", Toast.LENGTH_SHORT).show();
// perform your action here
} else {
Toast.makeText(AccountClass.this,"permission not granted", Toast.LENGTH_SHORT).show();
}
}
}
在设置->应用->(您的应用名称)->权限下检查应用是否已授予权限。在设置->应用->(您的应用名称)->权限下检查应用是否已授予权限。它仍然不显示请求权限的对话框?grantResults正在传递权限\u DENIEDIt仍不显示请求权限的对话框?并且grantResults正在传递权限\u Denied您正在请求读取\u联系人权限,而此权限未添加到清单文件您正在请求读取\u联系人权限,而此权限未添加到清单文件中