編輯:關於android開發
MainActivity.java
package com.tsh.test; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.net.HttpURLConnection; import java.net.URL; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends Activity { public Button loginBtn; public TextView loginUserName; public TextView loginPassword; public static String API="http://mail.sina.net/loginxxx"; public LoginHandler loginHandler; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //獲取View對象 loginBtn=(Button) findViewById(R.id.loginBtn); loginUserName=(TextView) findViewById(R.id.loginUsername); loginPassword=(TextView) findViewById(R.id.loginPassword); //給View對象設置點擊事件 loginBtn.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { //開啟新線程 Thread loginThread=new Thread(new LoginRunable()); loginThread.start(); } }); loginHandler=new LoginHandler(); } //實現Runable接口,開啟新線程 class LoginRunable implements Runnable{ @Override public void run() { try { URL url=new URL(API); HttpURLConnection http=(HttpURLConnection) url.openConnection(); http.setRequestMethod("POST"); http.setDoInput(true); http.setDoOutput(true); OutputStream ops=http.getOutputStream(); PrintWriter pw=new PrintWriter(ops); String username=loginUserName.getText().toString(); String password=loginPassword.getText().toString(); pw.write("email="+username+"&psw="+password+"&loginfrom=app&output=json"); pw.flush(); InputStream ins=http.getInputStream(); byte[] buffer = new byte[1024]; int length=0; StringBuilder sb=new StringBuilder(); while((length=ins.read(buffer))!=-1){ sb.append(new String(buffer,0,length)); } Message msg=new Message(); msg.what=1; msg.obj=sb.toString(); loginHandler.sendMessage(msg); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } } //傳遞消息的handle class LoginHandler extends Handler{ @Override public void handleMessage(Message msg) { String loginResponse=(String) msg.obj; System.out.println(loginResponse); Toast.makeText(MainActivity.this, loginResponse, 10).show(); Intent intent=new Intent(MainActivity.this, MailIndexActivity.class); //startActivity(intent); } } }
main_activity.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context="${relativePackage}.${activityClass}" > <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="用戶名" /> <EditText android:hint="請輸入用戶名" android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/loginUsername" android:text="[email protected]" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="密碼"/> <EditText android:hint="請輸入密碼" android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/loginPassword" android:text="xxxxxxx"/> <Button android:id="@+id/loginBtn" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="登陸認證" /> </LinearLayout>
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