package com.example.fiz.myapplication;
import android.annotation.SuppressLint;
import android.graphics.Color;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v4.app.Fragment;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.graphics.Color;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import java.util.ArrayList;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.LinearLayout;
import android.support.v7.widget.Toolbar;
import android.widget.TextView;
import android.widget.ListView;
import android.widget.ArrayAdapter;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity {
private ViewPager mPager; private ArrayListfragmentsList; private LinearLayout ll_top;
//LITview //定义一个String数组用来显示ListView的内容private ListView lv;/** Called when the activity is first created. */ private static final String[] strs=new String[]{"first", "second", "third", "fourth", "fifth"}; private ListView lv; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); toolbar.setTitle("demo"); toolbar.setSubtitle("1234"); toolbar.setLogo(R.drawable.ic_launcher); setSupportActionBar(toolbar); //
initView();
} private void initView() {
ll_top = (LinearLayout) findViewById(R.id.ll_top); mPager = (ViewPager) findViewById(R.id.vPager); fragmentsList = new ArrayList(); Fragment activityfragment = TestFragment.newInstance("界面一"); Fragment groupFragment = TestFragment.newInstance("界面2"); Fragment friendsFragment = TestFragment.newInstance("界面3"); Fragment chatFragment = TestFragment.newInstance("界面4"); Fragment about = About.about("1234"); //实例化 Fragment homepage = new HomePage("首页");
fragmentsList.add(homepage);/**首页**/ fragmentsList.add(groupFragment); fragmentsList.add(friendsFragment); fragmentsList.add(chatFragment); mPager.setAdapter(new MyFragmentPagerAdapter( getSupportFragmentManager(), fragmentsList)); mPager.setCurrentItem(0); BottomTabBar navigationBar = new BottomTabBar(this); ll_top.setBackgroundColor(Color.parseColor("#F8F8FF")); navigationBar.attachToParent(ll_top, new String[]{"首页", "消息", "发现", "我"}, mPager); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } public class MyFragmentPagerAdapter extends FragmentPagerAdapter { private ArrayListfragmentsList; public MyFragmentPagerAdapter(FragmentManager fm) { super(fm); } public MyFragmentPagerAdapter(FragmentManager fm, ArrayList fragments) { super(fm); this.fragmentsList = fragments; } @Override public int getCount() { return fragmentsList.size(); } @Override public Fragment getItem(int arg0) {
return fragmentsList.get(arg0); } @Override public int getItemPosition(Object object) { return super.getItemPosition(object); } } @SuppressLint("ValidFragment") public class HomePage extends Fragment { private String textString; //复制添加
public HomePage(String textString) { this.textString = textString; } public HomePage homePage(String textString) { HomePage myabout = new HomePage(textString); return myabout; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { lv = (ListView)findViewById(R.id.lv); lv.setAdapter(new ArrayAdapter(this, android.R.layout.simple_list_item_1, strs)); View view = inflater.inflate(R.layout.home_page, container, false); return view; } }
}
ArrayAdapter的构造方法的第一参数是要一个上下文类型的,你传的this是HomePage,类型不符合无法解析
上下文对象用的不对,fragment中adapter的this得用getActivity()替代啊。