Merge pull request #481 from 14YuQingBin/master

#6 #129 第六次作业

AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903130/Net1414080903130JsonActivity.java

@@ -0,0 +1,71 @@
+package edu.hzuapps.androidlabs.homeworks.net1414080903130;
+
+import android.os.Handler;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.widget.TextView;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import edu.hzuapps.androidlabs.R;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+public class Net1414080903130JsonActivity extends AppCompatActivity {
+    private String grade;
+    private String name;
+    private String number;
+    private TextView GithubResponse;
+    private Handler handler = null;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_net1414080903130_json);
+        handler = new Handler();
+        GithubResponse = (TextView) findViewById(R.id.response_info);
+        sendRequest();
+    }
+
+    private void sendRequest() {
+        new Thread(){
+            @Override
+            public void run() {
+                try {
+                    OkHttpClient client = new OkHttpClient();
+                    Request request = new Request.Builder().url("https://raw.githubusercontent.com/14YuQingBin/android-labs-2017/master/AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903130/yqb.json").build();//目标地址
+                    Response response = client.newCall(request).execute();
+                    String responseData = response.body().string();
+                    ParseJson(responseData);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+                handler.post(runnableUi);
+            }
+        }.start();
+    }
+
+    /*解析json文件*/
+    private void ParseJson(String jsonData) {
+        try {
+            JSONArray jsonArray = new JSONArray(jsonData);
+            for (int i = 0; i < jsonArray.length(); i++) {
+                JSONObject jsonObject = jsonArray.getJSONObject(i);
+                grade = jsonObject.getString("grade");
+                name = jsonObject.getString("name");
+                number = jsonObject.getString("number");
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    /*更新UI*/
+    Runnable runnableUi = new Runnable() {
+        public void run() {
+            GithubResponse.setText("班级: " + grade + "\n" + "\n" + "姓名: " + name + "\n" + "\n" + "学号: " + number + "\n" + "\n");//显示解析结果
+        }
+    };
+}

AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903130/Net1414080903130LoginActivity.java

@@ -51,6 +51,14 @@ public void onClick(View v) {
 
             }
         });
+        Button c = (Button)findViewById(R.id.json_login);
+        b.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(Net1414080903130LoginActivity.this,Net1414080903130JsonActivity.class);
+                startActivity(intent);
+            }
+        });
     }
 
     public int check(String username,String password){

AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903130/yqb.json

@@ -0,0 +1 @@
+[{"grade":"14ÍøÂç1°à","name":"ÓàÇì±ó","number":"1414080903130"}]

AndroidLabs/app/src/main/res/layout/activity_net1414080903130_json.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/activity_net1414080903130_json"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    tools:context="edu.hzuapps.androidlabs.homeworks.net1414080903130.Net1414080903130JsonActivity">
+    <TextView
+        android:id="@+id/response_info"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</RelativeLayout>

AndroidLabs/app/src/main/res/layout/activity_net1414080903130_login.xml

@@ -87,5 +87,11 @@
             android:layout_height="wrap_content"
             android:layout_weight="4"
             android:text="登录" />
+        <Button
+            android:id="@+id/json_login"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="4"
+            android:text="解析json" />
     </LinearLayout>
 </RelativeLayout>