安卓权限申请，兼容处理

if (Build.VERSION.SDK_INT >= 23) {
int permissionC = PermissionChecker.checkSelfPermission(this,
android.Manifest.permission.CAMERA);

if (permissionC == PermissionChecker.PERMISSION_GRANTED) {
toCamara();
} else if (permissionC == PermissionChecker.PERMISSION_DENIED) {
int checkCallPhonePermission = ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA);
if (checkCallPhonePermission != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.CAMERA}, REQUEST_CODE_ASK_CAMERA);
}
} else {
showLackCameraPermission();
}

} else {
toCamara();
}

@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
@NonNull int[] grantResults) {
switch (requestCode) {
case REQUEST_CODE_ASK_CAMERA:
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
toCamara();
} else {
Toast.makeText(this, "请先开启拍照权限", Toast.LENGTH_SHORT).show();
JumpPermissionUtil.goToSetting(AlbumIndexActivity.this);
setResult(Activity.RESULT_CANCELED);
finish();
}
break;
default:
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
}

}

/**
* 显示没有权限的错误
*/
public void showLackAlbumPermission() {
BwtAlertDialog.Builder builder = new BwtAlertDialog.Builder(this)
.setMessage("尚未开启相册权限, 请打开此权限")
.setButtons(new CharSequence[]{"确定"}, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
JumpPermissionUtil.goToSetting(AlbumIndexActivity.this);
AlbumIndexActivity.this.finish();
}
});
builder.create().show();

}