第一步我们要在 build.gradle文件下导入OKHPPT的依赖库
compile 'com.squareup.okhttp3:okhttp:3.4.2'
public class MainActivity extends AppCompatActivity {
private String path="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1527002323765&di=a5271ae1cba8945183d3a2326ea41e6a&imgtype=0&src=http%3A%2F%2Fwww.cd-auto.net%2Fupload%2Fnews%2Fa84bf7035c1b472b976e8a145f9ba5ff%2F201710130356363704.jpg";
private Button jiaz;
@SuppressLint("HandlerLeak")
private Handler handler=new Handler(){
@Override
public void handleMessage(Message msg) {
switch (msg.what){
case 0:
byte[] obj = (byte[]) msg.obj;
Bitmap bitmap = BitmapFactory.decodeByteArray(obj, 0, obj.length);
ing.setImageBitmap(bitmap);
break;
case 1:
break;
}
}
};
private ImageView ing;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
jiaz = findViewById(R.id.jiazimg);
ing = findViewById(R.id.img);
jiaz.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
OkHttpClient client = new OkHttpClient();
final Request request = new Request.Builder().url(path).build();
Call call = client.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
}
@Override
public void onResponse(Call call, Response response) throws IOException {
byte[] bytes = response.body().bytes();
Message msg=new Message();
msg.obj=bytes;
msg.what=0;
handler.sendMessage(msg);
}
});
}
});
}
}