如何在应用程序android中的任何活动之上显示警报对话框

venkatesh gowda 发表于 Dev

文卡特什·古达（Venkatesh Gowda）

我想显示一个警报对话框。并在一个活动中创建此警报对话框。但是问题是当我从服务器收到一些响应时，我想在应用程序中任何活动的顶部显示此对话框

文卡特什·古达（Venkatesh Gowda）

是的，我有解决方案...。

首先，我创建了一个用于显示警报对话框的类。在收到服务器的响应后，调用了通过传递应用程序上下文来显示警报对话框的方法

package io.omoto.omotokairaliapp.Utls;

import android.content.Context;
import android.view.WindowManager;

import com.gitonway.lee.niftymodaldialogeffects.lib.NiftyDialogBuilder;

import io.omoto.omotokairaliapp.Constants.Constants;

/**
 * Created by ${venkie} on ${28/1/16}.
 */
public class DisplayRegisteredMessage {

    Context context;
    private NiftyDialogBuilder dialogBuilder;


    public DisplayRegisteredMessage(Context context) {

        this.context = context;
    }

    public void displayMessage() {

        if (Constants.FLAG == 1) {
            Constants.FLAG = 0;

            dialogBuilder = NiftyDialogBuilder.getInstance(context);
            dialogBuilder
                    .withTitle("Response is already registered")
                    .withMessage("For this Customer we have already taken response Sorry!!");
            dialogBuilder.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
            dialogBuilder.show();

        } else {


        }
    }


}

上面的代码显示警报对话框

@Override
            public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
                super.onSuccess(statusCode, headers, response);
                Log.e("response page", response.toString());
                try {
                    if (response.getString(Constants.STATUS).equalsIgnoreCase("SUCCESS"))
                        p7.deleterecord(p7b.getFlowid());
                        p7.deleteRows();

                    Constants.FLAG = 1;
                    DisplayRegisteredMessage displayRegisteredMessage = new DisplayRegisteredMessage(mContext);
                    displayRegisteredMessage.displayMessage();


                } catch (JSONException e) {
                    e.printStackTrace();
                }
                Log.e("Page 6", p7b.getFlowid());
            }