传值

import android.content.Intent;import android.os.PersistableBundle;import android.support.annotation.Nullable;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.widget.ImageView;import com.nostra13.universalimageloader.core.DisplayImageOptions;import com.nostra13.universalimageloader.core.ImageLoader;import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;public class Main2Activity extends AppCompatActivity {        private ImageView view;        private ImageLoader loader;        private DisplayImageOptions options;        @Override        public void onCreate(@Nullable Bundle savedInstanceState, @Nullable PersistableBundle persistentState) {            super.onCreate(savedInstanceState, persistentState);            setContentView(R.layout.activity_picture);            view= (ImageView) findViewById(R.id.P_iv);            ImageLoaderConfiguration configuration = ImageLoaderConfiguration.createDefault(this);            loader = ImageLoader.getInstance();            loader.init(configuration);            options = new DisplayImageOptions.Builder()                    .cacheOnDisk(true)                    .cacheInMemory(true)                    .build();            Intent intent=getIntent();            String img = intent.getStringExtra("img");            loader.displayImage(img,view,options);        }}