From 178f62a60f4d34ccfe83e81452d5c84fab7e5045 Mon Sep 17 00:00:00 2001 From: xuxiuxi <xuxiuxi@454eff88-639b-444f-9e54-f578c98de674> Date: 星期四, 25 五月 2017 17:35:52 +0800 Subject: [PATCH] --- VisitFace/DemoForBsk/app/src/main/java/cn/com/basic/face/base/MainActivity.java | 23 +++++++++++++++++++++++ 1 files changed, 23 insertions(+), 0 deletions(-) diff --git a/VisitFace/DemoForBsk/app/src/main/java/cn/com/basic/face/base/MainActivity.java b/VisitFace/DemoForBsk/app/src/main/java/cn/com/basic/face/base/MainActivity.java index 4df3d7f..bb6340e 100644 --- a/VisitFace/DemoForBsk/app/src/main/java/cn/com/basic/face/base/MainActivity.java +++ b/VisitFace/DemoForBsk/app/src/main/java/cn/com/basic/face/base/MainActivity.java @@ -1,6 +1,7 @@ package cn.com.basic.face.base; import android.content.Context; +import android.os.Handler; import android.support.design.widget.TabLayout; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; @@ -13,6 +14,7 @@ import android.view.WindowManager; import android.widget.ImageView; import android.widget.TextView; +import android.widget.Toast; import com.bsk.zhangbo.demoforbsk.R; import cn.com.basic.face.fragment.SurveillanceFragment; @@ -126,4 +128,25 @@ } + boolean doubleBackToExitPressedOnce = false; + + @Override + public void onBackPressed() { + if (doubleBackToExitPressedOnce) { + super.onBackPressed(); + return; + } + + this.doubleBackToExitPressedOnce = true; + Toast.makeText(this, "璇峰啀娆℃寜杩斿洖閿��鍑�", Toast.LENGTH_SHORT).show(); + + new Handler().postDelayed(new Runnable() { + + @Override + public void run() { + doubleBackToExitPressedOnce=false; + } + }, 2000); + } + } -- Gitblit v1.8.0