1.import xUtils3工程
修改Project的.gradle文件,(其實就是把xutils3下面的抄過來,要記得改版本,原來是1.3不行,改到最新的就好了)
dependencies {
classpath 'com.android.tools.build:gradle:2.2.3'
//添加下面的2行
classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.2'
classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
2.添加進Module的依賴
3.開始正題吧
3.1 權限
<uses-permission Android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
3.2 初始化,這個類要在AndroidManifest.xml文件<application/>節點下配置 public class BaseApplication extends Application {
@Override
public void onCreate() {
super.onCreate();
x.Ext.init(this);
}
}
3.3 下載實現
String url = "http://www.ooxx.com/xxx.apk";
RequestParams requestParams = new RequestParams(url);
//String savePath = Environment.getExternalStorageDirectory().getPath()+ File.separator+"mobilesafe.apk";
//getExternalFilesDir SDCard/Android/data/你的應用的包名/files/ 目錄,一般用來存放長時間保存的數據
String savePath = getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS).getPath()+ File.separator+"mobilesafe.apk";
requestParams.setSaveFilePath(savePath);
Log.d(tag,url+"\n"+savePath);
org.xutils.x.http().get(requestParams, new Callback.CommonCallback<File>() {
@Override
public void onSuccess(File result) {
Log.d(tag,"onSuccess");
}
@Override
public void onError(Throwable ex, boolean isOnCallback) {
Log.d(tag,"onError");
}
@Override
public void onCancelled(CancelledException cex) {
Log.d(tag,"onCancelled");
}
@Override public void onFinished() { Log.d(tag,"onFinished"); } });
Callback.CommonCallback<File> 代碼自動補全寫的是Object類型,注意下