package com.example.mofangweixin;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.Toast;
public class MainActivity extends FragmentActivity implements OnPageChangeListener, OnClickListener {
private ViewPager mviewPager;
private List<Fragment> mTabs = new ArrayList<Fragment>();
private String[] mTitles = new String[] { "First Fragment !", "Second Fragment !", "Third Fragment !",
"Fourth Fragment !" };
private FragmentPagerAdapter mAdapter;
private List<ChangeColorIconWithText> mTabIndicators = new ArrayList<ChangeColorIconWithText>();
private List<View> mviews;
private View view1, view2, view3, view4;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setOverflowButtonAlways();
// 去掉标题栏的图标
getActionBar().setDisplayShowHomeEnabled(false);
intiview();
intiData();
initEvent();
}
/**
* 初始化所有事件
*/
private void initEvent() {
mviewPager.setOnPageChangeListener(this);
}
private void intiData() {
for (String title : mTitles) {
// Fragment.setArguments(Bundle bundle)方法设置的bundle会保留下来。
// 所以尽量使用 Fragment.setArguments(Bundle bundle)方式来传递参数
TabFragment tabFragment = new TabFragment();
Bundle bundle = new Bundle();
bundle.putString(TabFragment.TITLE, title);
tabFragment.setArguments(bundle);
mTabs.add(tabFragment);
}
}
private void intiview() {
// TODO Auto-generated method stub
mviewPager = (ViewPager) findViewById(R.id.id_viewpager);
mviews = new ArrayList<View>();
LayoutInflater inflater = getLayoutInflater();
view1 = inflater.inflate(R.layout.layout1, null);
view2 = inflater.inflate(R.layout.layout2, null);
view3 = inflater.inflate(R.layout.layout3, null);
view4 = inflater.inflate(R.layout.layout4, null);
mviews.add(view1);
mviews.add(view2);
mviews.add(view3);
mviews.add(view4);
mviewPager.setAdapter(new Mypager(mviews));
// mviewPager.setOffscreenPageLimit(2);
// mviewPager.setCurrentItem(0);
// 自定义属性初始化
ChangeColorIconWithText one = (ChangeColorIconWithText) findViewById(R.id.id_indicator_one);
mTabIndicators.add(one);
ChangeColorIconWithText two = (ChangeColorIconWithText) findViewById(R.id.id_indicator_two);
mTabIndicators.add(two);
ChangeColorIconWithText three = (ChangeColorIconWithText) findViewById(R.id.id_indicator_three);
mTabIndicators.add(three);
ChangeColorIconWithText four = (ChangeColorIconWithText) findViewById(R.id.id_indicator_four);
mTabIndicators.add(four);
one.setOnClickListener(this);
two.setOnClickListener(this);
three.setOnClickListener(this);
four.setOnClickListener(this);
one.setIconAlpha(1.0f);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
// if (id == R.id.action_settings) {
// return true;
// }
return super.onOptionsItemSelected(item);
}
@Override
public void onClick(View v) {
clickTab(v);
}
/**
* 点击Tab按钮
*
* @param v
*/
private void clickTab(View v) {
resetOtherTabs();
switch (v.getId()) {
case R.id.id_indicator_one:
mTabIndicators.get(0).setIconAlpha(1.0f);
mviewPager.setCurrentItem(0, false);
break;
case R.id.id_indicator_two:
mTabIndicators.get(1).setIconAlpha(1.0f);
mviewPager.setCurrentItem(1, false);
break;
case R.id.id_indicator_three:
mTabIndicators.get(2).setIconAlpha(1.0f);
mviewPager.setCurrentItem(2, false);
break;
case R.id.id_indicator_four:
mTabIndicators.get(3).setIconAlpha(1.0f);
mviewPager.setCurrentItem(3, false);
break;
}
}
/**
* 重置其他的TabIndicator的颜色
*/
private void resetOtherTabs() {
for (int i = 0; i < mTabIndicators.size(); i++) {
mTabIndicators.get(i).setIconAlpha(0);
}
}
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
// Log.e("TAG", "position = " + position + " ,positionOffset = "
// + positionOffset);
// 通过以上测试，可知左滑+1，右滑-1；
if (positionOffset > 0) {
ChangeColorIconWithText left = mTabIndicators.get(position);
ChangeColorIconWithText right = mTabIndicators.get(position + 1);
left.setIconAlpha(1 - positionOffset);
right.setIconAlpha(positionOffset);
}
}
@Override
public void onPageSelected(int position) {
// TODO Auto-generated method stub
}
@Override
public void onPageScrollStateChanged(int state) {
// TODO Auto-generated method stub
}
private class Mypager extends PagerAdapter implements OnClickListener {
private List<View> views;
public Mypager(List<View> views) {
// TODO Auto-generated constructor stub
this.views = views;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return views.size();
}
@Override
public boolean isViewFromObject(View arg0, Object arg1) {
// TODO Auto-generated method stub
return arg0 == arg1;
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
// TODO Auto-generated method stub
container.removeView(views.get(position));
// Log.i("info", "views.get(position)");
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
// TODO Auto-generated method stub
container.addView(views.get(position));
//当limit超过4viewepager时会出现BUG
// mviewPager.setOffscreenPageLimit(4);
/**
*
* 不知道什么原因本人在测试此处过程中总存在bug，故而try-catch解决问题
*/
try {
findViewById(R.id.imageview).setOnClickListener(this);
Button btn11 = (Button) findViewById(R.id.button11);
btn11.setOnClickListener(this);
Button btn12 = (Button) findViewById(R.id.button12);
btn12.setOnClickListener(this);
Button btn13 = (Button) findViewById(R.id.button13);
btn13.setOnClickListener(this);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
Log.i("info", "---->btn1------>>>");
}
try {
Button btn31 = (Button) findViewById(R.id.button31);
btn31.setOnClickListener(this);
Button btn32 = (Button) findViewById(R.id.button32);
btn32.setOnClickListener(this);
Button btn33 = (Button) findViewById(R.id.button33);
btn33.setOnClickListener(this);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
Log.i("info", "---->btn3------>>>");
}
try {
Button btn41 = (Button) findViewById(R.id.button41);
btn41.setOnClickListener(this);
Button btn42 = (Button) findViewById(R.id.button42);
btn42.setOnClickListener(this);
Button btn43 = (Button) findViewById(R.id.button43);
btn43.setOnClickListener(this);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
Log.i("info", "---->btn4------>>>");
}
// findViewById(R.id.button31).setOnClickListener(this);
// findViewById(R.id.button32).setOnClickListener(this);
// findViewById(R.id.button33).setOnClickListener(this);
//
// findViewById(R.id.button41).setOnClickListener(this);
// findViewById(R.id.button42).setOnClickListener(this);
// findViewById(R.id.button43).setOnClickListener(this);
return views.get(position);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.imageview:
Toast.makeText(MainActivity.this, "正在加载个人信息11...", Toast.LENGTH_SHORT).show();
break;
case R.id.button11:
Toast.makeText(MainActivity.this, "正在加载个人信息11...", Toast.LENGTH_SHORT).show();
break;
case R.id.button12:
Toast.makeText(MainActivity.this, "微博页面正在打开12..", Toast.LENGTH_SHORT).show();
break;
case R.id.button13:
Toast.makeText(MainActivity.this, "关于页面正在打开13...", Toast.LENGTH_SHORT).show();
break;
case R.id.button31:
Toast.makeText(MainActivity.this, "正在加载个人信息31...", Toast.LENGTH_SHORT).show();
break;
case R.id.button32:
Toast.makeText(MainActivity.this, "微博页面正在打开32..", Toast.LENGTH_SHORT).show();
break;
case R.id.button33:
Toast.makeText(MainActivity.this, "关于页面正在打开33...", Toast.LENGTH_SHORT).show();
break;
case R.id.button41:
Toast.makeText(MainActivity.this, "正在加载个人信息41...", Toast.LENGTH_SHORT).show();
break;
case R.id.button42:
Toast.makeText(MainActivity.this, "微博页面正在打开42..", Toast.LENGTH_SHORT).show();
break;
case R.id.button43:
Toast.makeText(MainActivity.this, "关于页面正在打开43...", Toast.LENGTH_SHORT).show();
break;
}
}
}
/**
* 4.0.4以下的版本不能正常显示。
*
* 当menu显示的位置不对时用反射机制改变其位置，使在点击时出现在点击的下边
*/
private void setOverflowButtonAlways() {
try {
ViewConfiguration config = ViewConfiguration.get(this);
Field menuKey = ViewConfiguration.class.getDeclaredField("sHasPermanentMenuKey");
menuKey.setAccessible(true);
menuKey.setBoolean(config, false);
} catch (Exception e) {
e.printStackTrace();
}
}
// 添加menu图标
@Override
public boolean onMenuOpened(int featureId, Menu menu) {
if (featureId == Window.FEATURE_ACTION_BAR && menu != null) {
if (menu.getClass().getSimpleName().equals("MenuBuilder")) {
try {
Method m = menu.getClass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
m.setAccessible(true);
m.invoke(menu, true);
} catch (Exception e) {
e.printStackTrace();
}
}
}
return super.onMenuOpened(featureId, menu);
}
}
最近下载更多
最近浏览更多
