测试吧

app/src/main/java/com/example/blu/toys/activity/PlayActivity.java

 package com.example.blu.toys.activity;
 
+import android.app.AlertDialog;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.Handler;
@@ -186,6 +188,8 @@ public class PlayActivity extends BaseActivity {
 
 	@OnClick(R.id.back_but)
 	public void onViewClicked() {
+
+		//点击返回的时候 不用提示就返回到上个页面即可
 		timerManager.cancelTimer();
 		AppManager.getInstance().finishActivity();
 	}
@@ -207,6 +211,16 @@ public class PlayActivity extends BaseActivity {
 
 		switch (view.getId()) {
 			case R.id.cancel_but://取消 关机
+
+				//需要有个提示 直接返回加号页面
+
+
+				AlertDialog.Builder builder=new AlertDialog.Builder(this);
+				builder.setTitle("提示：将断开蓝牙连接");
+				builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
+					@Override
+					public void onClick(DialogInterface dialog, int which) {
+// TODO Auto-generated method stub
 						timerManager.cancelTimer();
 						TrafficLightBean trafficLightBean = new TrafficLightBean(
 								1, 0,
@@ -216,7 +230,11 @@ public class PlayActivity extends BaseActivity {
 							@Override
 							public void onWriteSuccess(int current, int total, byte[] justWrite) {
 								ToastUtils.show("关机-发送成功");
-						AppManager.getInstance().finishActivity();
+								BlePlay.getInstance().closeBle();
+
+								Intent intent=new Intent(PlayActivity.this,AddDeviceActivity.class);
+
+								startActivity(intent);
 							}
 
 							@Override
@@ -225,6 +243,23 @@ public class PlayActivity extends BaseActivity {
 							}
 						});
 
+					}
+				});
+				builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
+					@Override
+					public void onClick(DialogInterface dialog, int which) {
+// TODO Auto-generated method stub
+
+
+					}
+				});
+				builder.create();
+				builder.show();
+
+
+
+
+
 				break;
 			case R.id.pause_but://暂停
 //				int time = mHour * 3600 + mMin * 60 + mSecond;

app/src/main/java/com/example/blu/toys/activity/SelectTimerActivity.java

 package com.example.blu.toys.activity;
 
+import android.app.AlertDialog;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
 import android.widget.SeekBar;
 import android.widget.Switch;
 
+import com.clj.fastble.callback.BleWriteCallback;
+import com.clj.fastble.exception.BleException;
 import com.example.blu.toys.R;
 import com.example.blu.toys.app.AppManager;
+import com.example.blu.toys.ble.BlePlay;
+import com.example.blu.toys.ble.agreement.TrafficLightBean;
 import com.example.blu.toys.utils.SpUtils;
 import com.example.blu.toys.view.TypefaceTextView;
+import com.hjq.toast.ToastUtils;
 
 import butterknife.BindView;
 import butterknife.OnClick;
@@ -100,6 +107,9 @@ public class SelectTimerActivity extends BaseActivity {
 
 	@OnClick(R.id.back_but)
 	public void onViewClicked() {
+
+
+
 		AppManager.getInstance().finishActivity();
 	}
 }
\ No newline at end of file

app/src/main/java/com/example/blu/toys/activity/SetTimeActivity.java

 package com.example.blu.toys.activity;
 
+import android.app.AlertDialog;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
@@ -322,8 +324,39 @@ public class SetTimeActivity extends BaseActivity {
 
 	@Override
 	public void onBackPressed() {
+
+
+
+		AlertDialog.Builder builder=new AlertDialog.Builder(this);
+		builder.setTitle("提示:将断开蓝牙连接");
+
+		builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
+			@Override
+			public void onClick(DialogInterface dialog, int which) {
+// TODO Auto-generated method stub
 				BlePlay.getInstance().closeBle();
-		AppManager.getInstance().finishActivity();
+
+				Intent intent=new Intent(SetTimeActivity.this,AddDeviceActivity.class);
+
+				startActivity(intent);
+
+
+			}
+		});
+		builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
+			@Override
+			public void onClick(DialogInterface dialog, int which) {
+// TODO Auto-generated method stub
+
+
+			}
+		});
+		builder.create();
+		builder.show();
+
+
+//		BlePlay.getInstance().closeBle();
+//		AppManager.getInstance().finishActivity();
 	}
 
 
@@ -343,8 +376,32 @@ public class SetTimeActivity extends BaseActivity {
 				startActivity(intent);
 				break;
 			case R.id.back_but:
+				AlertDialog.Builder builder=new AlertDialog.Builder(this);
+				builder.setTitle("提示:将断开蓝牙连接");
+
+				builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
+					@Override
+					public void onClick(DialogInterface dialog, int which) {
+// TODO Auto-generated method stub
 						BlePlay.getInstance().closeBle();
-				AppManager.getInstance().finishActivity();
+
+						Intent intent=new Intent(SetTimeActivity.this,AddDeviceActivity.class);
+
+						startActivity(intent);
+
+
+					}
+				});
+				builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
+					@Override
+					public void onClick(DialogInterface dialog, int which) {
+// TODO Auto-generated method stub
+
+
+					}
+				});
+				builder.create();
+				builder.show();
 				break;
 			case R.id.start_but:
 				boolean bleOpen = BlePlay.getInstance().isBleOpen();