android showmessage

package com.example.yanlei.yl6;

import android.annotation.TargetApi;

import android.app.Activity;

import android.app.AlertDialog;

import android.content.DialogInterface;

import android.content.pm.ApplicationInfo;

import android.content.pm.PackageManager;

import android.os.Build;

import android.os.Bundle;

import android.os.Handler;

import android.view.MotionEvent;

import android.view.View;

import android.widget.Toast;

public void ShowMessage(String str) {

        Toast.makeText(this, str, Toast.LENGTH_LONG).show();

    }

    public String getApplicationName() {

        PackageManager packageManager = null;

        ApplicationInfo applicationInfo = null;

        try {

            packageManager = getApplicationContext().getPackageManager();

            applicationInfo = packageManager.getApplicationInfo(getPackageName(), 0);

        } catch (PackageManager.NameNotFoundException e) {

            applicationInfo = null;

        }

        String applicationName =

                (String) packageManager.getApplicationLabel(applicationInfo);

        return applicationName;

    }

    public void ShowMessage1(String str) {

        new AlertDialog.Builder(this)

                .setTitle(getApplicationName())

                .setMessage(str)

                .show();

    }

    public void ShowMessage2(String str) { //

        new AlertDialog.Builder(this)

                .setMessage(str)

                .setPositiveButton("确定",

                        new DialogInterface.OnClickListener() {

                            public void onClick(DialogInterface dialoginterface, int i) {

                                //按钮事件

                            }

                        })

                .show();

    }

    public void ShowMessage3(String str) { //

        new AlertDialog.Builder(this)

                .setTitle("提示")

                .setMessage(str)

                .setIcon(R.drawable.quit)

                .setPositiveButton("确定", new DialogInterface.OnClickListener() {

                    public void onClick(DialogInterface dialog, int whichButton) {

                        setResult(RESULT_OK);//确定按钮事件

                        finish();

                    }

                })

                .setNegativeButton("取消", new DialogInterface.OnClickListener() {

                    public void onClick(DialogInterface dialog, int whichButton) {

                        //取消按钮事件

                    }

                })

                .show();

    }