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Android应用中对于微信分享的实例及问题

2014年09月05日 ⁄ 综合 ⁄ 共 5462字 ⁄ 字号 评论关闭

源码地址

如何分享

分享无相应

分享结果如何接收响应

微信 分享回调
(提示几点关键问题:   debug_key 一定要获得对应的签名码 然后和weixin官网的appid对应     )

几点注意事项 
1)必须新建一个包位置是
    <you package>.wxapi
2)并在此包下简历class
    WXEntryActivity.class
3)AndroidManifest.xml  需要添加对应Activity的声明
     <activity
                   android:name="com.yinhang.pos.wxapi.WXEntryActivity"
                   android:exported="true"
                   android:theme="@android:style/Theme.Translucent" >
4) WXEntryActivity.class 的基本要求
    public class WXEntryActivity extends BaseActivity implements IWXAPIEventHandler{

RelativeLayout

<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=".StartActivity" >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/hello_world" />
    
    <Button 
        android:id="@+id/btn_share"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        style="@style/MMLineActionButton"
        android:layout_centerHorizontal="true"
        android:text="share"
        />

</RelativeLayout>

manifest

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.weishare"
    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.weishare.activity.StartActivity"
            android:exported="true"
            android:launchMode="singleTop"
            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.weishare.wxapi.WXEntryActivity"  
           android:exported="true"  
           android:theme="@android:style/Theme.Translucent" >  
       </activity>  
    </application>

</manifest>

WXEntryActivity   响应 发送返回的关键

public class WXEntryActivity extends Activity implements IWXAPIEventHandler {
	 private IWXAPI api;  
	@Override  
    public void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
        api = WXAPIFactory.createWXAPI(this,  
                "your app id", false);  
        api.handleIntent(getIntent(), this);  
  
    }  
	@Override  
    public void onReq(BaseReq arg0) {  
  
    }  
  
    @Override  
    public void onResp(BaseResp resp) {  
        int result = 0;  
  
        switch (resp.errCode) {  
        case BaseResp.ErrCode.ERR_OK:  
            result = R.string.errcode_success;  
            break;  
        case BaseResp.ErrCode.ERR_USER_CANCEL:  
            result = R.string.errcode_cancel;  
            break;  
        case BaseResp.ErrCode.ERR_AUTH_DENIED:  
            result = R.string.errcode_deny;  
            break;  
        default:  
            result = R.string.errcode_unknown;  
            break;  
        }  
  
        Toast.makeText(this, result, Toast.LENGTH_LONG).show();  
  
        // TODO 微信分享 成功之后调用接口  
        this.finish();  
    }  

}

StartActivity

public class StartActivity extends Activity {
	
	
	private static final String APP_ID = "your app id";
	private IWXAPI api;
	private static final String text = "sdafljsalfdkj";
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_start);
		
		findViewById(R.id.btn_share).setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				final EditText editor = new EditText(StartActivity.this);
				editor.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT));
				editor.setText("默认发送信息");
//				MMAlert.showAlert(StartActivity.class, "title", editor, "ok", "cancel", new DialogInterface.OnClickListener())
				
				regToWx();
				// 初始化一个WXTextObject对象
				WXTextObject textObj = new WXTextObject();
				textObj.text = text;

				// 用WXTextObject对象初始化一个WXMediaMessage对象
				WXMediaMessage msg = new WXMediaMessage();
				msg.mediaObject = textObj;
				// 发送文本类型的消息时,title字段不起作用
				// msg.title = "Will be ignored";
				msg.description = text;

				// 构造一个Req
				SendMessageToWX.Req req = new SendMessageToWX.Req();
				req.transaction = String.valueOf(System.currentTimeMillis());//buildTransaction("text"); // transaction字段用于唯一标识一个请求
				req.message = msg;
//				req.scene = isTimelineCb.isChecked() ? SendMessageToWX.Req.WXSceneTimeline : SendMessageToWX.Req.WXSceneSession;
				Log.e("",api.sendReq(req) + "----------------");
				// 调用api接口发送数据到微信
				api.sendReq(req);
				
			}
		});
	}
	
	private void regToWx(){
		api = WXAPIFactory.createWXAPI(this, APP_ID, true);
		api.registerApp(APP_ID);
	}
	
	@Override
	protected void onRestart() {
		// TODO Auto-generated method stub
		super.onRestart();
//		Toast.makeText(this, "onRestart   sdkjflsaj", Toast.LENGTH_LONG).show();
		Log.e(this.getApplication().toString(), "---------onRestart-----------------------");
	}
	@Override
	protected void onResume() {
		// TODO Auto-generated method stub
		super.onResume();
//		Toast.makeText(this, "onResume  lasdkjflsaj", Toast.LENGTH_LONG).show();
		Log.e(this.getApplication().toString(), "---------onResume-----------------------");
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.start, menu);
		return true;
	}

//	@Override
//	public void onReq(BaseReq arg0) {
//		// TODO Auto-generated method stub
////		Toast.makeText(this, "onReqonReqonReqlasdkjflsaj", Toast.LENGTH_LONG).show();
//		Log.e(this.getApplication().toString(), "---------onReq-----------------------");
//	}
//
//	@Override
//	public void onResp(BaseResp arg0) {
//		// TODO Auto-generated method stub
////		Toast.makeText(this, "onResponResponRespasdkjflsaj", Toast.LENGTH_LONG).show();;
//		Log.e(this.getApplication().toString(), "---------onResp-----------------------");
//		
//		
//	}

}

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