Question

我想在用户接受我的位置请求

后启动代码

    @TargetApi(23)
public void checkLocationPermission() {
    if (getContext().checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
        requestPermissions(new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, REQUEST_CODE_LOCATION);
    }
    Toast.makeText(getContext(), "We need permissions for check available event", Toast.LENGTH_SHORT).show();
}


@OnClick(R.id.btn_refresh_events)
public void onRefreshClick() {
    checkLocationPermission();
    refreshingEvents.setVisibility(View.GONE);
    mPresenter.refresh();
}

如您所见，我有检查权限的方法。但现在我的代码就像按时完成所有操作一样。因此，当用户接受请求时，他必须下次单击刷新事件按钮。

我的问题是如何制作标志

首先我checkBocationPermission（），如果用户接受我的代码的权限：

 refreshingEvents.setVisibility(View.GONE);
    mPresenter.refresh();

在此之后运行。

请帮忙，祝你有愉快的一天！：）

Answer 1

试试这个：

  @TargetApi(23) public boolean checkLocationPermission() { 
    boolean permission granted = false;
    if (getContext().checkSelfPermission(Manifest.permission.ACCESS‌_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) { 
        requestPermissions(new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, REQUEST_CODE_LOCATION); 
        if(getContext().checkSelfPermission(Manifest.permission.ACCESS‌_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED){
            granted = true;
        }
    } 
    else{
        granted = true;
    }
    Toast.makeText(getContext(), "We need permissions for check available event", Toast.LENGTH_SHORT).show(); 
   return granted; 
}

或

  @TargetApi(23) public boolean checkLocationPermission() { 
    while (getContext().checkSelfPermission(Manifest.permission.ACCESS‌_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) { 
        requestPermissions(new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, REQUEST_CODE_LOCATION); 
        Toast.makeText(getContext(), "We need permissions for check available event", Toast.LENGTH_SHORT).show(); 
    }
   return true; 
 }

当你想让程序保持循环，直到授予权限为止（虽然我不建议这样做）。那你需要

@OnClick(R.id.btn_refresh_events)
public void onRefreshClick() {
    boolean isPermissionGranted = checkLocationPermission();
    if(isPermissionGranted){
        refreshingEvents.setVisibility(View.GONE);
        mPresenter.refresh();
    }
}

虽然可能有更优雅的方式。

如何创建一个标志，用于在接受位置后启动代码

1 个答案: