Android学习教程之高仿安卓微信6.0（2）

本文实例为大家分享了Android仿安卓微信6.0的具体代码，供大家参考，具体内容如下

wechat6Activity.java的代码:

package siso.geekworld;

import android.app.Activity;
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.ViewPager;
import android.view.Menu;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.Window;

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;

import viewhelper.ChangeColorIconWithText;
import viewhelper.TabFragment;

public class wechat6Activity extends FragmentActivity implements View.OnClickListener,ViewPager.OnPageChangeListener{

 private ViewPager viewPager;

 private List mTabs = new ArrayList<>();

 private String[] mTitles = new String[]{"First Fragment","Second Fragment","Third Fragment","Fourth Fragment"};

 private FragmentPagerAdapter adapter;

 private List mTabIndicators = new ArrayList<>();

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_wechat6);
  setOverflowButtonAlways();
  getActionBar().setDisplayShowHomeEnabled(false);

  initView();
  initDatas();
  initEvents();
  viewPager.setAdapter(adapter);
 }

 //初始化所有事件
 private void initEvents() {
  viewPager.addonPageChangeListener(this);
 }

 //初始化所有数据
 private void initDatas() {

  for(String mtitle:mTitles){
  TabFragment tabFragment = new TabFragment();
  Bundle bundle = new Bundle();
  bundle.putString(TabFragment.TITLE,mtitle);
  tabFragment.setArguments(bundle);
  mTabs.add(tabFragment);
  }

  adapter = new FragmentPagerAdapter(getSupportFragmentManager()) {
  @Override
  public android.support.v4.app.Fragment getItem(int position) {
   return mTabs.get(position);
  }

  @Override
  public int getCount() {
   return mTabs.size();
  }
  };
 }

 //初始化所有view
 private void initView() {

  viewPager = (ViewPager)findViewById(R.id.id_viewpager);
  ChangeColorIconWithText one = (ChangeColorIconWithText)findViewById(R.id.id_indicator_one);
  ChangeColorIconWithText two = (ChangeColorIconWithText)findViewById(R.id.id_indicator_two);
  ChangeColorIconWithText three = (ChangeColorIconWithText)findViewById(R.id.id_indicator_three);
  ChangeColorIconWithText four = (ChangeColorIconWithText)findViewById(R.id.id_indicator_four);
  mTabIndicators.add(one);
  mTabIndicators.add(two);
  mTabIndicators.add(three);
  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;
 }


 //应用反射改变OverflowButton的图标
 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();
  }
 }


 //设置menu显示icon
 @Override
 public boolean onMenuOpened(int featureId, Menu menu) {
  if(featureId== Window.FEATURE_ACTION_BAR&&menu!=null){
  if(menu.getClass().getSimpleName().equals("MenuBuilder")){
   try {
   Method method = menu.getClass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
   method.setAccessible(true);
   method.invoke(menu,true);
   } catch (Exception e) {
   e.printStackTrace();
   }
  }
  }

  return super.onMenuOpened(featureId, menu);
 }

 @Override
 public void onClick(View v) {
  resetOtherTabs();
  switch (v.getId()){
  case R.id.id_indicator_one:
   mTabIndicators.get(0).setIconAlpha(1.0f);
   viewPager.setCurrentItem(0,false);
   break;
  case R.id.id_indicator_two:
   mTabIndicators.get(1).setIconAlpha(1.0f);
   viewPager.setCurrentItem(1, false);
   break;
  case R .id.id_indicator_three:
   mTabIndicators.get(2).setIconAlpha(1.0f);
   viewPager.setCurrentItem(2, false);
   break;
  case R.id.id_indicator_four:
   mTabIndicators.get(3).setIconAlpha(1.0f);
   viewPager.setCurrentItem(3, false);
   break;
  }
 }

 private void resetOtherTabs() {
  for(int i=0;i0){
  ChangeColorIconWithText left = mTabIndicators.get(position);
  ChangeColorIconWithText right = mTabIndicators.get(position+1);
  left.setIconAlpha(1-positionOffset);
  right.setIconAlpha(positionOffset);
  }
 }

 @Override
 public void onPageSelected(int position) {

 }

 @Override
 public void onPageScrollStateChanged(int state) {

 }
 }

ChangeColorIconWithText.java代码:

package viewhelper;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.os.Looper;
import android.os.Parcelable;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.View;

import siso.geekworld.R;


public class ChangeColorIconWithText extends View {

 private int mColor = 0xFF45C01A;
 private String mText = "微信";
 private Bitmap mIconBitmap;
 private int mTextSize = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,12,
  getResources().getDisplayMetrics());

 private Canvas mCanvas;
 private Bitmap mBitmap;
 private Paint mPaint;
 //透明度0.0~1.0
 private float mAlpha ;
 private Rect mIconRect;
 private Rect mTextBound;

 private Paint mTextPaint;

 private static final String INSTANCE_STATUS = "instance_status";
 private static final String INSTANCE_ALPHA = "instance_alpha";

 public ChangeColorIconWithText(Context context) {
 this(context, null);
 }

 public ChangeColorIconWithText(Context context, AttributeSet attrs) {
 this(context, attrs, 0);
 }


 
 public ChangeColorIconWithText(Context context, AttributeSet attrs, int defStyleAttr) {
 super(context, attrs, defStyleAttr);

 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ChangeColorIconWithText);

 int n = a.getIndexCount();

 for(int i=0;i

TabFragment.java代码:

package viewhelper;

import android.graphics.Color;
import android.os.Bundle;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

public class TabFragment extends android.support.v4.app.Fragment {

 private String mTitle = "DEFAULT";

 public static final String TITLE = "title";

 @Override
 public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

 if(getArguments()!=null){
  mTitle = getArguments().getString(TITLE);
 }

 TextView tv = new TextView(getActivity());
 tv.setText(mTitle);
 tv.setTextSize(20);
 tv.setGravity(Gravity.CENTER);
 tv.setBackgroundColor(Color.parseColor("#ffffffff"));
 return tv;
 }
}



activity_wechat6.xml内容:



 

 


 

 


 


 


 

 




strings.xml内容:


 微信
 查找
 添加
 发起群聊
 意见反馈
 添加朋友
 扫一扫
 通讯录
 发现
 我





main.xml内容 :




 

 

 

 

 




styles.xml内容:



 

 
 
 @color/colorPrimary
 @color/colorPrimaryDark
 @color/colorAccent
 @style/WeiXinOverflowButtonStyle
 
 
 @drawable/actionbar_add_icon
 

 
 
 
 
 




drawable资源:

运行结果如图:


以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持考高分网。