yue代码

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main

package animtest.com.example.e531.yuekao_test_demo;

import android.support.v4.app.Fragment;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.RadioGroup;
import android.widget.RelativeLayout;

import animtest.com.example.e531.yuekao_test_demo.fragments.IndexFragment;
import animtest.com.example.e531.yuekao_test_demo.fragments.MeFragment;
import animtest.com.example.e531.yuekao_test_demo.fragments.TopFragment;
import animtest.com.example.e531.yuekao_test_demo.fragments.VideoFragment;

public class MainActivity extends AppCompatActivity {

private ImageView imgTitle;
private RelativeLayout relMenu;
private DrawerLayout drawerLayout;
private RadioGroup radioGroup;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

drawerLayout = (DrawerLayout) findViewById(R.id.mydrawer);
imgTitle = (ImageView) findViewById(R.id.img_title);
radioGroup = (RadioGroup) findViewById(R.id.rel_navigate);

//侧滑菜单的视图
relMenu = (RelativeLayout) findViewById(R.id.rel_menu);

imgTitle.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//关闭，侧滑菜单
drawerLayout.closeDrawer(relMenu);
}
});

radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
if(checkedId==R.id.rb_index){
Log.d("zzz","add index fragment ***********");
addFragment(new IndexFragment());
}else if(checkedId==R.id.rb_top){
addFragment(new TopFragment());

}else if(checkedId==R.id.rb_me){
addFragment(new MeFragment());

}else if(checkedId==R.id.rb_video){
addFragment(new VideoFragment());
}

}
});
//默认添加"首页"
addFragment(new IndexFragment());
}

/**
* 添加fragment到主页面中
* @param fragment
*/
public void addFragment(Fragment fragment){
getSupportFragmentManager().beginTransaction().replace(R.id.main_content,fragment).commit();

}
}

MyApplication

package animtest.com.example.e531.yuekao_test_demo;

import android.app.Application;

import com.nostra13.universalimageloader.cache.disc.impl.UnlimitedDiscCache;
import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;

import java.io.File;

/**
* Created by e531 on 2017/10/14.
*/
public class MyApplication extends Application {
@Override
public void onCreate() {
super.onCreate();

File cacheFile=getExternalCacheDir();
ImageLoaderConfiguration config=new ImageLoaderConfiguration.Builder(this)
.memoryCacheExtraOptions(480, 800)//缓存图片最大的长和宽
.threadPoolSize(2)//线程池的数量
.threadPriority(4)
.memoryCacheSize(2*1024*1024)//设置内存缓存区大小
.diskCacheSize(20*1024*1024)//设置sd卡缓存区大小
.diskCache(new UnlimitedDiscCache(cacheFile))//自定义缓存目录
.writeDebugLogs()//打印日志内容
.diskCacheFileNameGenerator(new Md5FileNameGenerator())//给缓存的文件名进行md5加密处理
.build();

ImageLoader.getInstance().init(config);

}
}

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