AndroidStudio Gradle基于友盟的多渠道打包方法

public class MainActivity extends AppCompatActivity {

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  // 场景类型设置接口,设置为普通统计场景类型
  MobclickAgent.setScenarioType(this, EScenarioType.E_UM_NORMAL);

  String appkey = "";
  String channal = "";
  try {
   appkey = PackageManagerUitls.getMateDataValue(this, "UMENG_APPKEY");
   channal = PackageManagerUitls.getMateDataValue(this, "UMENG_CHANNEL");
  } catch (PackageManager.NameNotFoundException e) {
   e.printStackTrace();
  }
  MobclickAgent.UMAnalyticsConfig config = new MobclickAgent.UMAnalyticsConfig(this, appkey, channal);

  MobclickAgent.startWithConfigure(config);

 }

 public void onResume() {
  super.onResume();
  MobclickAgent.onResume(this);
 }

 public void onPause() {
  super.onPause();
  MobclickAgent.onPause(this);
 }
}

/**
 * 作者：lcw 16-9-8
 * 博客：http://blog.csdn.net/lsyz0021/
 */
public class PackageManagerUitls {
 /**
  * 获取 AndroidManifest中application节点下meta-data节点的值
  *
  * @param context
  * @param key
  * @return
  * @throws PackageManager.NameNotFoundException
  */
 public static String getMateDataValue(Context context, String key) throws PackageManager.NameNotFoundException {

  ApplicationInfo appInfo = context.getPackageManager().getApplicationInfo(context.getPackageName(), PackageManager.GET_META_DATA);

  String msg = appInfo.metaData.getString(key);
  return msg;
 }

}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
 package="com.hfax.umeng">

 <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
 <uses-permission android:name="android.permission.INTERNET" />
 <uses-permission android:name="android.permission.READ_PHONE_STATE" />

 <application
  android:allowBackup="true"
  android:icon="@mipmap/ic_launcher"
  android:label="@string/app_name"
  android:supportsRtl="true"
  android:theme="@style/AppTheme">

  <meta-data
   android:name="UMENG_APPKEY"
   android:value="57d11e6467e58e9051000d7e" />
  <meta-data
   android:name="UMENG_CHANNEL"
   android:value="${UMENG_CHANNEL_VALUE}" />
  <meta-data
   android:name="BASE_URL"
   android:value="${BASE_URL}" />

  <activity android:name=".MainActivity">
   <intent-filter>
    <action android:name="android.intent.action.MAIN" />

    <category android:name="android.intent.category.LAUNCHER" />
   </intent-filter>
  </activity>
 </application>

</manifest>