网址链接：
RxPermissions GitHub 地址
依赖包版本 :
implementation 'com.tbruyelle.rxpermissions2:rxpermissions:0.9.4@aar'
private void requestPermissions() {
RxPermissions rxPermissions = new RxPermissions(this);
rxPermissions.requestEach(Manifest.permission.READ_EXTERNAL_STORAGE,
Manifest.permission.WRITE_EXTERNAL_STORAGE,
Manifest.permission.READ_CALENDAR,
Manifest.permission.READ_CALL_LOG,
Manifest.permission.READ_CONTACTS,
Manifest.permission.READ_PHONE_STATE,
Manifest.permission.READ_SMS,
Manifest.permission.RECORD_AUDIO,
Manifest.permission.CAMERA,
Manifest.permission.CALL_PHONE)
.subscribe(new Consumer<Permission>() {
@Override
public void accept(Permission permission) throws Exception {
if (permission.granted) {
// 用户已经同意该权限
Log.d("lrcoder", permission.name + " is granted.");
} else if (permission.shouldShowRequestPermissionRationale) {
// 用户拒绝了该权限，没有选中"不再询问", 那么下次再次启动时, 还会提示请求权限的对话框
Log.d("lrcoder", permission.name + " is denied. More info should be provided.");
} else {
// 用户拒绝了该权限，而且选中"不再询问"
Log.d("lrcoder", permission.name + " is denied.");
}
}
});
}
