警报对话框不会冲击片雷管

本文介绍了警报对话框不会冲击片雷管的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

当我preSS按钮的警告对话框中点击这里不会出现是code：请你能告诉我什么是错的，而且我可以做什么来解决它。

When i press the Button the alert dialog does not appear here is the code: Please could you tell me whats wrong with it, and what i can do to fix it.

@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.row_item); Button bDR = (Button) findViewById(R.id.bDR); bDR.setOnClickListener(new OnClickListener(){ @Override public void onClick(View v) { AlertDialog.Builder builder = new AlertDialog.Builder(DeleteRenameList.this); builder.setCancelable(true); builder.setMessage("Would you like to delete or rename the list?"); builder.setNegativeButton("Delete", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }); builder.setNeutralButton("Rename", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }); AlertDialog alert = builder.create(); alert.show(); } });

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推荐答案

试试这个

@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.row_item); Button bDR = (Button) findViewById(R.id.bDR); bDR.setOnClickListener(new OnClickListener(){ @Override public void onClick(View v) { AlertDialog.Builder builder = new AlertDialog.Builder(DeleteRenameList.this).create(); builder.setCancelable(true); builder.setMessage("Would you like to delete or rename the list?"); builder.setNegativeButton("Delete", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }); builder.setNeutralButton("Rename", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }); AlertDialog.show(); } });