【实例简介】WeChatOpenSdkSample

【实例截图】

【核心代码】

package net.sourceforge.simcpux;

import android.Manifest;

import android.app.Activity;

import android.content.Intent;

import android.content.pm.PackageManager;

import android.os.Bundle;

import android.support.v4.app.ActivityCompat;

import android.support.v4.content.ContextCompat;

import android.view.View;

import android.widget.Button;

import android.widget.Toast;

import com.tencent.mm.opensdk.constants.Build;

import com.tencent.mm.opensdk.modelpay.JumpToOfflinePay;

import com.tencent.mm.opensdk.openapi.IWXAPI;

import com.tencent.mm.opensdk.openapi.WXAPIFactory;

public class MainActivity extends Activity{

private Button gotoBtn, regBtn, launchBtn, scanBtn, subscribeMsgBtn,subscribeMiniProgramMsgBtn;

private IWXAPI api;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

checkPermission();

api = WXAPIFactory.createWXAPI(this, Constants.APP_ID, false);

regBtn = (Button) findViewById(R.id.reg_btn);

regBtn.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

api.registerApp(Constants.APP_ID);

}

});

gotoBtn = (Button) findViewById(R.id.goto_send_btn);

gotoBtn.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

startActivity(new Intent(MainActivity.this, SendToWXActivity.class));

// finish();

}

});

launchBtn = (Button) findViewById(R.id.launch_wx_btn);

launchBtn.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

Toast.makeText(MainActivity.this, "launch result = " api.openWXApp(), Toast.LENGTH_LONG).show();

}

});

subscribeMsgBtn = (Button) findViewById(R.id.goto_subscribe_message_btn);

subscribeMsgBtn.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

startActivity(new Intent(MainActivity.this, SubscribeMessageActivity.class));

//finish();

}

});

subscribeMiniProgramMsgBtn = (Button) findViewById(R.id.goto_subscribe_mini_program_msg_btn);

subscribeMiniProgramMsgBtn.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

startActivity(new Intent(MainActivity.this, SubscribeMiniProgramMsgActivity.class));

}

});

View jumpToOfflinePay = (Button) findViewById(R.id.jump_to_offline_pay);

jumpToOfflinePay.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

int wxSdkVersion = api.getWXAppSupportAPI();

if (wxSdkVersion >= Build.OFFLINE_PAY_SDK_INT) {

api.sendReq(new JumpToOfflinePay.Req());

}else {

Toast.makeText(MainActivity.this, "not supported", Toast.LENGTH_LONG).show();

}

}

});

}

private void checkPermission() {

int permissionCheck = ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE);

if (permissionCheck != PackageManager.PERMISSION_GRANTED) {

ActivityCompat.requestPermissions(this,

new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},

Constants.PERMISSIONS_REQUEST_STORAGE);

}

}

@Override

public void onRequestPermissionsResult(int requestCode,

String permissions[], int[] grantResults) {

switch (requestCode) {

case Constants.PERMISSIONS_REQUEST_STORAGE: {

if (grantResults.length > 0

&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {

} else {

Toast.makeText(MainActivity.this,"Please give me storage permission!",Toast.LENGTH_LONG).show();

}

return;

}

}

}

}