[结帖] 需要https，不能用http
源代码如下：
public class MainActivity extends AppCompatActivity implements View.OnClickListener{
private TextView responseText;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button sendRequest=(Button)findViewById(R.id.send_request);
responseText=(TextView)findViewById(R.id.response_text);
sendRequest.setOnClickListener(this);
}
@Override
public void onClick(View v){
if(v.getId()==R.id.send_request){
sendRequestWithOkHttp();
}
}
private void sendRequestWithOkHttp(){
new Thread(new Runnable() {
@Override
public void run() {
try{
OkHttpClient client=new OkHttpClient();
Request request=new Request.Builder().url("http://guolin.tech/api/china").build();
Response response=client.newCall(request).execute();
String responseData=response.body().string();
showResponse(responseData);
}catch (Exception e){
e.printStackTrace();
}
}
}).start();
}
private void showResponse(final String response){
runOnUiThread(new Runnable() {
@Override
public void run() {
responseText.setText(response);
}
});
}
}
模拟机的图片如下：
真机调试的时候，按按钮没反应，不会显示文字。
最近装了新版本的Android Studio 不知道有没有影响
