如何申请许可?我尝试了文档,但是常量的int请求代码MY_PERMISSIONS_REQUEST_CALL_PHONE似乎只是工作,还有其他任何要记住的向后兼容性吗?
ActivityCompat.requestPermissions(getApplicationContext(),
new String[]{Manifest.permission.READ_CONTACTS},
MY_PERMISSIONS_REQUEST_CALL_PHONE);
如何声明MY_PERMISSIONS_REQUEST_CALL_PHONE常量int?
答案 0 :(得分:6)
public void makeCall(String s)
{
Intent intent = new Intent(Intent.ACTION_CALL);
intent.setData(Uri.parse("tel:" + s));
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED){
requestForCallPermission();
} else {
startActivity(intent);
}
}
public void requestForCallPermission()
{
if (ActivityCompat.shouldShowRequestPermissionRationale(this,Manifest.permission.CALL_PHONE))
{
}
else {
ActivityCompat.requestPermissions(this,new String[]{Manifest.permission.CALL_PHONE},PERMISSION_REQUEST_CODE);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults)
{
switch (requestCode) {
case PERMISSION_REQUEST_CODE:
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
makeCall("100");
}
break;
}
}
//现在调用方法makeCall(" your_desire_phone_numder"); MakeCall函数(" 100&#34); Link for more details
答案 1 :(得分:4)
对于较低版本,您只需在清单中声明权限, 但对于marshmellow,您需要在代码中提供它,以便执行代码。
在这里,您想要拨打电话。因此,在编写的代码块中插入/包含下面提供的代码以进行调用。
public void makeCall()
{
Intent intent = new Intent(Intent.ACTION_CALL);
intent.setData(Uri.parse("tel:" + "123456"));
int result = ContextCompat.checkSelfPermission(context, Manifest.permission.CALL_PHONE);
if (result == PackageManager.PERMISSION_GRANTED){
startActivity(intent);
} else {
requestForCallPermission();
}
}
private void requestPermission()
{
if (ActivityCompat.shouldShowRequestPermissionRationale(activity,Manifest.permission.CALL_PHONE))
{
}
else {
ActivityCompat.requestPermissions(activity,new String[]{Manifest.permission.ACCESS_FINE_LOCATION},PERMISSION_REQUEST_CODE);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults)
{
switch (requestCode) {
case PERMISSION_REQUEST_CODE:
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
makeCall();
}
break;
}
}
答案 2 :(得分:0)
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
Intent intent = new Intent(Intent.ACTION_CALL);
intent.setData(Uri.parse("tel:" + "123456"));
startActivity(intent);
尝试这样做。
答案 3 :(得分:0)
尝试下面的代码希望它能帮到你。 首先,在允许拨打号码后,这将要求您提供权限弹出窗口。
if (ContextCompat.checkSelfPermission(HomePanelActivity.this, Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) {
if (ActivityCompat.shouldShowRequestPermissionRationale(HomePanelActivity.this,
Manifest.permission.CALL_PHONE)) {
ActivityCompat.requestPermissions(HomePanelActivity.this, new String[]{Manifest.permission.CALL_PHONE}, REQUEST_PERMISSION);
}
} else {
Intent callIntent = new Intent(Intent.ACTION_CALL);
callIntent.setData(Uri.parse("tel:" + phoneNumber));
if (ActivityCompat.checkSelfPermission(HomePanelActivity.this, Manifest.permission.CALL_PHONE) == PackageManager.PERMISSION_GRANTED) {
startActivity(callIntent);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
switch (requestCode) {
case 10:
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Intent callIntent = new Intent(Intent.ACTION_CALL);
callIntent.setData(Uri.parse("tel:" + phoneNumberToCall));
if (ActivityCompat.checkSelfPermission(HomePanelActivity.this, Manifest.permission.CALL_PHONE) == PackageManager.PERMISSION_GRANTED) {
startActivity(callIntent);
}
} else {
Snackbar.make(drawerLayout, "You Deny permission", Snackbar.LENGTH_SHORT).show();
return;
}
}
};