一，首先添加依赖, 和 butterknife
二，添加读写 联网权限
get请求：
Post ：
图片：
效果图：
MainActivity 中代码：
···
package com.example.wangye.androidxmlc_class14;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.os.Environment;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import com.yolanda.nohttp.Headers;
import com.yolanda.nohttp.NoHttp;
import com.yolanda.nohttp.RequestMethod;
import com.yolanda.nohttp.download.DownloadListener;
import com.yolanda.nohttp.download.DownloadQueue;
import com.yolanda.nohttp.download.DownloadRequest;
import com.yolanda.nohttp.rest.CacheMode;
import com.yolanda.nohttp.rest.OnResponseListener;
import com.yolanda.nohttp.rest.Request;
import com.yolanda.nohttp.rest.RequestQueue;
import com.yolanda.nohttp.rest.Response;
import org.json.JSONObject;
import butterknife.ButterKnife;
import butterknife.InjectView;
import butterknife.OnClick;
public class MainActivity extends AppCompatActivity {
@InjectView(R.id.button)
Button btGet;
@InjectView(R.id.button2)
Button btPost;
@InjectView(R.id.button3)
Button btDown;
@InjectView(R.id.textView)
TextView textView;
@InjectView(R.id.imageView)
ImageView imageView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
NoHttp.initialize(this);
ButterKnife.inject(this);
}
@OnClick({R.id.button, R.id.button2, R.id.button3})
public void onViewClicked(View view) {
switch (view.getId()) {
case R.id.button:
getDataByNoGet();
break;
case R.id.button2:
getDataByNoPost();
break;
case R.id.button3:
downloadByNo();
break;
}
}
public void getDataByNoGet(){
String url = "http://apicloud.mob.com/v1/postcode/pcd?key=26b2b13b4b440";
Request<JSONObject> request = NoHttp.createJsonObjectRequest(url, RequestMethod.GET);
RequestQueue queue = NoHttp.newRequestQueue();
queue.add(0, request, new OnResponseListener<JSONObject>() {
@Override
public void onStart(int what) {
}
@Override
public void onSucceed(int what, Response<JSONObject> response) {
textView.setText(response.get().toString());
}
@Override
public void onFailed(int what, Response<JSONObject> response) {
}
@Override
public void onFinish(int what) {
}
});
}
public void getDataByNoPost(){
String url = "http://apicloud.mob.com/v1/postcode/pcd";
Request<JSONObject> request = NoHttp.createJsonObjectRequest(url,
RequestMethod.POST);
request.add("key","26b2b13b4b440");
request.setCacheMode(CacheMode.REQUEST_NETWORK_FAILED_READ_CACHE);
RequestQueue queue = NoHttp.newRequestQueue();
queue.add(1, request, new OnResponseListener<JSONObject>() {
@Override
public void onStart(int what) {
}
@Override
public void onSucceed(int what, Response<JSONObject> response) {
textView.setText(response.get().toString());
}
@Override
public void onFailed(int what, Response<JSONObject> response) {
}
@Override
public void onFinish(int what) {
}
});
}
public void downloadByNo(){
String url = "http://img2.imgtn.bdimg.com/it/u=2118739199,3378602431&fm=27&gp=0.jpg";
String path = Environment.getExternalStorageDirectory().toString();
DownloadRequest request = NoHttp.createDownloadRequest(url,path,true);
DownloadQueue queue = NoHttp.newDownloadQueue();
queue.add(1, request, new DownloadListener() {
@Override
public void onDownloadError(int what, Exception exception) {
}
@Override
public void onStart(int what, boolean isResume, long rangeSize, Headers responseHeaders, long allCount) {
}
@Override
public void onProgress(int what, int progress, long fileCount) {
textView.setText(progress +"%");
}
@Override
public void onFinish(int what, String filePath) {
Log.d("data","文件地址："+filePath);
imageView.setImageBitmap(BitmapFactory.decodeFile(filePath));
}
@Override
public void onCancel(int what) {
}
});
}
}
···
