//布局
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawerlayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".activities.MainActivity">
<!--
主界面
-->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<android.support.v4.view.ViewPager
android:id="@+id/main_vp"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"></android.support.v4.view.ViewPager>
<RadioGroup
android:id="@+id/main_rg"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<RadioButton
android:id="@+id/one"
android:layout_width="0dp"
android:layout_height="40dp"
android:layout_weight="1"
android:background="@drawable/selector_sy"
android:button="@null" />
<RadioButton
android:id="@+id/two"
android:layout_width="0dp"
android:layout_height="40dp"
android:layout_weight="1"
android:background="@drawable/selector_fl"
android:button="@null" />
<RadioButton
android:id="@+id/three"
android:layout_width="0dp"
android:layout_height="40dp"
android:layout_weight="1"
android:background="@drawable/selector_wd"
android:button="@null" />
</RadioGroup>
</LinearLayout>
<!--
左侧布局
-->
<LinearLayout
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="#0f0"
android:orientation="vertical">
<ImageView
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_gravity="center_horizontal"
android:src="@mipmap/ic_launcher_round" />
<LinearLayout
android:id="@+id/shangpin"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@mipmap/ic_launcher" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="商品" />
</LinearLayout>
<LinearLayout
android:id="@+id/tuijian"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@mipmap/ic_launcher" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="瞎推荐" />
</LinearLayout>
</LinearLayout>
</android.support.v4.widget.DrawerLayout>
//MainActivity
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private ViewPager viewPager;
private RadioGroup radioGroup;
private DrawerLayout drawerLayout;
private LinearLayout tuijian;
private LinearLayout shangpin;
private List<Fragment> fs = new ArrayList<>();
private MyFragmentAdapter myFragmentAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
//初始化界面
initViews();
//初始化数据
/**
* 将Fragment添加到主页面
*
* 侧滑的处理
*
*/
initFragments();
}
private void initFragments() {
Fragment f_sy = new ShouYeFragment();
Fragment f_fl = new FenLeiFragment();
Fragment f_wd = new WoDeFragment();
fs.add(f_sy);
fs.add(f_fl);
fs.add(f_wd);
//设置适配器
myFragmentAdapter = new MyFragmentAdapter(getSupportFragmentManager(), fs);
viewPager.setAdapter(myFragmentAdapter);
viewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
switch (position) {
case 0:
radioGroup.check(R.id.one);
break;
case 1:
radioGroup.check(R.id.two);
break;
case 2:
radioGroup.check(R.id.three);
break;
}
}
@Override
public void onPageScrollStateChanged(int state) {
}
});
}
private void initViews() {
viewPager = findViewById(R.id.main_vp);
radioGroup = findViewById(R.id.main_rg);
drawerLayout = findViewById(R.id.drawerlayout);
tuijian = findViewById(R.id.tuijian);
shangpin = findViewById(R.id.shangpin);
tuijian.setOnClickListener(this);
shangpin.setOnClickListener(this);
//默认选中第一个
radioGroup.check(R.id.one);
//点击事件
radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
switch (checkedId) {
case R.id.one:
viewPager.setCurrentItem(0);
break;
case R.id.two:
viewPager.setCurrentItem(1);
break;
case R.id.three:
viewPager.setCurrentItem(2);
break;
}
}
});
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.tuijian:
Toast.makeText(MainActivity.this, "推荐", Toast.LENGTH_SHORT).show();
drawerLayout.closeDrawers();
break;
case R.id.shangpin:
startActivity(new Intent(MainActivity.this, GoodsActivity.class));
drawerLayout.closeDrawers();
break;
}
}
}
//Fragment适配器
public class MyFragmentAdapter extends FragmentPagerAdapter {
private List<Fragment> list;
public MyFragmentAdapter(FragmentManager fm, List<Fragment> list) {
super(fm);
this.list = list;
}
@Override
public Fragment getItem(int position) {
return list.get(position);
}
@Override
public int getCount() {
return list.size();
}
}