BaseActivity中的代码:
private OnBooleanListener onPermissionListener;
/**
* 权限请求(这个方法也有坑,如果检测的时候权限是拒绝的,那就会回调false,但如果检测的时候权限是询问,然后让用户授权权限的时候选了拒绝,那么下面这个代码返回的依旧是true,所以需要搭配另外一个方法用以实时检测权限是否通过)
* @param permission Manifest.permission.CAMERA
* @param onBooleanListener 权限请求结果回调,true-通过 false-拒绝
*/
public void permissionRequests(Activity activity,String permission, OnBooleanListener onBooleanListener){
onPermissionListener=onBooleanListener;
if (ContextCompat.checkSelfPermission(activity,
permission)
!= PackageManager.PERMISSION_GRANTED) {
// Should we show an explanation?
if (ActivityCompat.shouldShowRequestPermissionRationale(activity,
Manifest.permission.READ_CONTACTS)) {
//权限通过
onPermissionListener.onClick(true);
} else {
//没有权限,申请一下
ActivityCompat.requestPermissions(activity,
new String[]{permission},
1);
}
}else {
//权限已有
if (onPermissionListener != null) {
onPermissionListener.onClick(true);
}
}
}
/**
* 当此权限是必要的,而用户没有允许,允许弹出自定义的设置窗口
* @param activity
* @param onBooleanListener
* @param permissions
*/
public void permissionCheck(Activity activity, OnBooleanListener onBooleanListener, String ...permissions){
onPermissionListener = onBooleanListener;
for (String permission:permissions){
if (ContextCompat.checkSelfPermission(activity,
permission)!= PackageManager.PERMISSION_GRANTED) {
//没有权限,申请一下
onPermissionListener.onClick(false);
break;
} else {
if (permission.equals(permissions[permissions.length-1])){
onPermissionListener.onClick(true);
}
}
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
if (requestCode == 1) {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
//权限通过
if(onPermissionListener!=null){
onPermissionListener.onClick(true);
}
} else {
//权限拒绝
if(onPermissionListener!=null){
onPermissionListener.onClick(false);
}
}
return;
}
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
}
Activity中的调用代码:
permissionRequests(Manifest.permission.CAMERA, new OnBooleanListener() {
@Override
public void onClick(boolean bln) {
if(bln){
ToastUtils.showToast(getContext(),"权限通过");
}else{
ToastUtils.showToast(getContext(),"权限拒绝");
}
}
});
回调接口(新建一个interface)代码:
package com.imxiaoyu.common.impl;
/**
- 回调错误或者正确
- Created by 她叫我小渝 on 2016/11/1.
*/
public interface OnBooleanListener {
void onClick(boolean bln);
}