简单的三方登录SDK示例，Android Activity之间数据的传递

2022-10-15 09:21:14

先建立Library工程，即普通工程然后在Android的属性勾选Library选项。

这里建立的工程为 mySdk ，Activity名为LoginActivity。

LoginActivity代码：

package com.example.mysdk;

import android.os.Bundle;

import android.os.Debug;

import android.R.integer;

import android.app.Activity;

import android.content.Context;

import android.content.Intent;

import android.util.Log;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

import android.widget.Toast;

public class LoginActivity extends Activity implements OnClickListener {

	EditText usernameEditText,passwdEditText;

	Button loginButton,calcelbButton;

	TextView appidTextView;

	public Context mContext;

	public String m_appId;

	public Intent m_intent;

	public void Init(Context context,String appId)

	{

		mContext=context;

		m_appId=appId;

	}

	@Override

	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.loginlayout);

		appidTextView=(TextView)findViewById(R.id.appidTextView);

		usernameEditText=(EditText)findViewById(R.id.usernameTextEdit);

		passwdEditText=(EditText)findViewById(R.id.passwdTextEidt);

		loginButton=(Button)findViewById(R.id.buttonLogin);

		calcelbButton=(Button)findViewById(R.id.buttonCalcel);

		loginButton.setOnClickListener(this);

		calcelbButton.setOnClickListener(this);

		m_intent=this.getIntent();

		Bundle bundle=m_intent.getBundleExtra("bundle");

		String appidString=bundle.getString("AppID");

		judgeAppId(appidString);

	}

	@Override

	public void onClick(View v)

	{

		int resId=v.getId();

		if(resId==R.id.buttonLogin)

		{

			Log.d("mysdk", "buttonLogin Click");

			StringBuffer stringBuffer=new StringBuffer();

			stringBuffer.append("name:"+usernameEditText.getText());

			stringBuffer.append("passwd:"+usernameEditText.getText());

			Toast toast=Toast.makeText(this, stringBuffer.toString(), Toast.LENGTH_LONG);

			toast.show();

			Bundle resultBundle=new Bundle();

			//判断帐号密码是否正确，正确就返回正确到前一个Activity

			if("Misstea".equals(usernameEditText.getText().toString().trim()) && "Misstea".equals(passwdEditText.getText().toString().trim()))

			{

				Log.d("mysdk", "密码正确");

				resultBundle.putInt("resultInt", 1); //密码正确,返回获取到的userId

				resultBundle.putString("userId", "012312334234");

				m_intent.putExtra("resultBundle", resultBundle);

			}

			else

			{

				Log.d("mysdk", "密码错误");

				resultBundle.putInt("resultInt", -1);   //密码错误

				m_intent.putExtra("resultBundle", resultBundle);

			}

			this.setResult(RESULT_OK,m_intent);

			this.finish();

		}

		else if(resId==R.id.buttonCalcel)

		{

			Log.d("mysdk", "buttonCalcel Click");

			this.finish();

		}

	}

	@Override

	public boolean onCreateOptionsMenu(Menu menu) {

		// Inflate the menu; this adds items to the action bar if it is present.

		getMenuInflater().inflate(R.menu.main, menu);

		return true;

	}

	public void judgeAppId(String appId)

	{

		if(appId.equals("123456"))

		{

			Log.d("mysdk", "AppId is ok"+appId);

			appidTextView.setText(appId);

		}

		else

		{

			Log.d("mysdk", "AppId is false"+appId);

			appidTextView.setText("appid错误");

		}

	}

}

mySDK Manifest文件：

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.example.mysdk"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="8"

        android:targetSdkVersion="17" />

    <application

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name="com.example.mysdk.LoginActivity"

            android:label="@string/app_name" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>

</manifest>

loginlayout.xml

<RelativeLayout 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=".LoginActivity" >

    <EditText

        android:id="@+id/usernameTextEdit"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentRight="true"

        android:layout_alignParentTop="true"

        android:layout_marginTop="68dp"

        android:ems="10" />

    <EditText

        android:id="@+id/passwdTextEidt"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@+id/usernameTextEdit"

        android:layout_below="@+id/usernameTextEdit"

        android:layout_marginTop="34dp"

        android:ems="10" >

        <requestFocus />

    </EditText>

    <Button

        android:id="@+id/buttonLogin"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_below="@+id/passwdTextEidt"

        android:layout_marginTop="38dp"

        android:layout_toRightOf="@+id/textView2"

        android:text="登录" />

    <Button

        android:id="@+id/buttonCalcel"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignBaseline="@+id/buttonLogin"

        android:layout_alignBottom="@+id/buttonLogin"

        android:layout_alignRight="@+id/passwdTextEidt"

        android:layout_marginRight="20dp"

        android:text="取消" />

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_above="@+id/passwdTextEidt"

        android:layout_alignParentLeft="true"

        android:layout_alignTop="@+id/usernameTextEdit"

        android:text="帐号：" />

    <TextView

        android:id="@+id/textView2"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignBottom="@+id/passwdTextEidt"

        android:layout_alignLeft="@+id/textView1"

        android:layout_alignTop="@+id/passwdTextEidt"

        android:text="密码：" />

    <TextView

        android:id="@+id/appidTextView"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:text="" />

</RelativeLayout>

mySDK 登录界面的预览

好了，mySDK就写完了。

然后新建一个Android工程来调用mySDK这个Library。这里新建工程为 UseMySdk。

在UseMySdk 工程属性Android里面加入mySDK Library。

下面是代码已经界面文件。

MainActivity

package com.example.usemysdk;

import android.os.Bundle;

import android.os.Debug;

import android.app.Activity;

import android.content.Context;

import android.content.Intent;

import android.util.Log;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.TextView;

import com.example.mysdk.*;

public class MainActivity extends Activity {

	Button LoginButton;

	TextView textView;

	@Override

	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_main);

		textView=(TextView)findViewById(R.id.textView1);

		LoginButton=(Button)findViewById(R.id.button1);

		LoginButton.setOnClickListener(new OnClickListener() {

			@Override

			public void onClick(View v) {

				// TODO Auto-generated method stub

				Log.d("UseMySdk", "LoginButton Click");

				String AppId="123456";

				Bundle bundle=new Bundle();

				bundle.putString("AppID", AppId);

				Intent intent=new Intent();

				intent.putExtra("bundle", bundle);

				intent.setClassName(getApplication(), "com.example.mysdk.LoginActivity");

				startActivityForResult(intent, 0);

			}

		});

	}

	@Override

	protected void onActivityResult(int requestCode,int resultCode,Intent intent)

	{

		switch (resultCode)

		{

			case RESULT_OK:

				Bundle bundle=intent.getBundleExtra("resultBundle");

				int resultInt=bundle.getInt("resultInt");

				if(resultInt==1)//登录成功

				{

					Log.d("UseMySdk", "登录成功！");

					//获取userId

					String userIdString=bundle.getString("userId");

					textView.setText(userIdString);

				}

				else

				{

					Log.d("UseMySdk", "登录失败！");

				}

				break;

			default:

				break;

		}

	}

	@Override

	public boolean onCreateOptionsMenu(Menu menu) {

		// Inflate the menu; this adds items to the action bar if it is present.

		getMenuInflater().inflate(R.menu.main, menu);

		return true;

	}

}

activity_main.xml

<RelativeLayout 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=".MainActivity" >

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="@string/hello_world" />

    <Button

        android:id="@+id/button1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@+id/textView1"

        android:layout_below="@+id/textView1"

        android:layout_marginTop="64dp"

        android:text="Button" />

</RelativeLayout>

UseMySdk Manifest.xml

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.example.usemysdk"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="8"

        android:targetSdkVersion="17" />

    <application

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name="com.example.usemysdk.MainActivity"

            android:label="@string/app_name" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

        <activity android:name="com.example.mysdk.LoginActivity"></activity>

    </application>

</manifest>

在UseMySdk Manifest中有个很重要的：

一定要注册mysdk的Activity，不然程序会崩溃找不到需要start的Activity

<activity android:name="com.example.mysdk.LoginActivity"></activity>

界面预览图

三方平台登录流程：

1.打开程序，点击登录按钮，跳到三方平台SDK的登录界面

2.在三方平台界面登录后，返回登录结果，如果登录成功，还会返回三方平台的userID。

3.程序获取到了登录成功标志，以三方平台userID作为用户名登录程序。

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