Merge pull request #1570 from SunJiashun/master

#7 SunJiashun 实验七控制和检测网络
hzuapps · Apr 23, 2019 · 3958ac0 · 3958ac0
2 parents ae6e055 + e3e3f42
commit 3958ac0
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Showing 4 changed files with 69 additions and 8 deletions.
diff --git a/students/soft1509081602625/app/src/main/AndroidManifest.xml b/students/soft1509081602625/app/src/main/AndroidManifest.xml
@@ -9,6 +9,7 @@
     <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
     <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"

diff --git a/.../soft1509081602625/androidlabs/hzuapps/edu/soft1509081602625activity/CarinfoActivity.java b/.../soft1509081602625/androidlabs/hzuapps/edu/soft1509081602625activity/CarinfoActivity.java
@@ -20,6 +20,7 @@ public class CarinfoActivity extends AppCompatActivity {
     private Button  btn_collect;
 
 
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

diff --git a/...a/soft1509081602625/androidlabs/hzuapps/edu/soft1509081602625activity/ConnectionUtil.java b/...a/soft1509081602625/androidlabs/hzuapps/edu/soft1509081602625activity/ConnectionUtil.java
@@ -0,0 +1,49 @@
+package soft1509081602625.androidlabs.hzuapps.edu.soft1509081602625activity;
+
+import android.app.AlertDialog;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
+
+public class ConnectionUtil {
+    public static boolean isConn(Context context) {
+        boolean bisConnFlag = false;
+        ConnectivityManager conManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
+        NetworkInfo network = conManager.getActiveNetworkInfo();
+        if (network != null) {
+            bisConnFlag = conManager.getActiveNetworkInfo().isAvailable();
+        }
+        return bisConnFlag;    }
+        /*  * 打开设置网络界面  * */
+        public static void setNetworkMethod(final Context context){
+            //提示对话框
+            AlertDialog.Builder builder=new AlertDialog.Builder(context);
+            builder.setTitle("网络设置提示").setMessage("网络连接不可用,是否进行设置?").setPositiveButton("设置", new DialogInterface.OnClickListener() {
+                @Override
+                public void onClick(DialogInterface dialog, int which) {
+                    // TODO Auto-generated method stub
+                    Intent intent=null;
+                    //判断手机系统的版本  即API大于10 就是3.0或以上版本
+                    if(android.os.Build.VERSION.SDK_INT>10){
+                        intent = new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS);
+                    }else{
+                        intent = new Intent();
+                        ComponentName component = new ComponentName("com.android.settings","com.android.settings.WirelessSettings");
+                        intent.setComponent(component);
+                        intent.setAction("android.intent.action.VIEW");
+                    }
+                        context.startActivity(intent);
+                }
+            }).setNegativeButton("取消", new DialogInterface.OnClickListener() {
+                @Override
+                public void onClick(DialogInterface dialog, int which) {
+                    // TODO Auto-generated method stub
+                    dialog.dismiss();
+                }
+            }).show();
+        }
+}
+
diff --git a/...81602625/androidlabs/hzuapps/edu/soft1509081602625activity/Soft1509081602625Activity.java b/...81602625/androidlabs/hzuapps/edu/soft1509081602625activity/Soft1509081602625Activity.java
@@ -1,10 +1,12 @@
-package soft1509081602625.androidlabs.hzuapps.edu.soft1509081602625activity;
+package soft1509081602625.androidlabs.hzuapps.edu.soft1509081602625activity;
 
 import android.content.Intent;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.View;
 import android.widget.Button;
+import android.widget.Toast;
 
 import soft1714080902407.androidlabs.hzuapps.edu.soft1509081602625activity.R;
 
@@ -14,15 +16,23 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.soft_1509081602625_activity);
     }
-
+    @Override
+    protected void onStart(){
+        Log.i("Soft1509081602625Actvity","onStart");
+        if(!ConnectionUtil.isConn(this)){
+            ConnectionUtil.setNetworkMethod(this);
+        }else{
+            Toast.makeText(this, "当前网络可用", Toast.LENGTH_SHORT).show();
+        }
+        super.onStart();
+    }
     public void onClick(View view) {
         Intent intent = new Intent(Soft1509081602625Activity.this, CarinfoActivity.class);
         startActivity(intent);
-    }
-
-        public void onClick3 (View view){
-            Intent intent = new Intent(Soft1509081602625Activity.this, MyCollectionActivity.class);
-            startActivity(intent);
-        }
+    };
+    public void onClick3 (View view){
+        Intent intent = new Intent(Soft1509081602625Activity.this, MyCollectionActivity.class);
+        startActivity(intent);
+    };
 }