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<Fragment> mTabs = new ArrayList<>（）; private String[] mTitles = new String[]{"First Fragment","Second Fragment","Third Fragment","Fourth Fragment"}; private FragmentPagerAdapter adapter; private List<ChangeColorIconWithText> 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（）） {@Overridepublic android.support.v4.app.Fragment getItem（int position） { return mTabs.get（position）;}@Overridepublic 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;i<mTabIndicators.size（）;i++）{mTabIndicators.get（i）.setIconAlpha（0）;} } @Override public void onPageScrolled（int position, float positionOffset, int positionOffsetPixels） {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） { } @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）; } /** * 获取自定义属性的值 * @param context * @param attrs * @param defStyleAttr */ 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<n;i++）{int attr = a.getIndex（i）;switch （attr）{case R.styleable.ChangeColorIconWithText_micon: BitmapDrawable drawable =（BitmapDrawable）a.getDrawable（attr）; mIconBitmap = drawable.getBitmap（）; break;case R.styleable.ChangeColorIconWithText_mcolor: mColor = a.getColor（attr,0xFF45C01A）; break;case R.styleable.ChangeColorIconWithText_text: mText = a.getString（attr）; break;case R.styleable.ChangeColorIconWithText_text_size: mTextSize = （int）a.getDimension（attr,TypedValue.applyDimension（TypedValue.COMPLEX_UNIT_SP,12,getResources（）.getDisplayMetrics（）））; break;} } a.recycle（）; mTextBound = new Rect（）; mTextPaint = new Paint（）; mTextPaint.setTextSize（mTextSize）; mTextPaint.setColor（0Xff555555）; mTextPaint.getTextBounds（mText, 0, mText.length（）, mTextBound）; } @Override protected void onMeasure（int widthMeasureSpec, int heightMeasureSpec） { super.onMeasure（widthMeasureSpec, heightMeasureSpec）; int iconWidth = Math.min（getMeasuredWidth（） - getPaddingLeft（） - getPaddingRight（）,getMeasuredHeight（） - getPaddingTop（） - getPaddingBottom（） - mTextBound.height（））; int left = getMeasuredWidth（）/2 - iconWidth/2; int top = getMeasuredHeight（）/2-（mTextBound.height（）+iconWidth）/2; mIconRect = new Rect（left,top,left+iconWidth,top+iconWidth）; } @Override protected void onDraw（Canvas canvas） { canvas.drawBitmap（mIconBitmap, null, mIconRect, null）; int alpha = （int）Math.ceil（255*mAlpha）; //内存准备Bitmap,setAlpha,纯色,xfermode,图标 setUpTargetBitmap（alpha）; //1.绘制原文本 2.绘制变色的文本 drawSourceText（canvas,alpha）; drawTargetText（canvas,alpha）; canvas.drawBitmap（mBitmap, 0, 0, null）; } //绘制变色的文本 private void drawTargetText（Canvas canvas, int alpha） { mTextPaint.setColor（mColor）; mTextPaint.setAlpha（alpha）; int x = mIconRect.left+mIconRect.width（）/2-mTextBound.width（）/2; int y = mIconRect.bottom+mTextBound.height（）; canvas.drawText（mText, x, y, mTextPaint）; } //绘制原文本 private void drawSourceText（Canvas canvas, int alpha） { mTextPaint.setColor（0xff333333）; mTextPaint.setAlpha（255-alpha）; int x = mIconRect.left+mIconRect.width（）/2-mTextBound.width（）/2; int y = mIconRect.bottom+mTextBound.height（）; canvas.drawText（mText, x, y, mTextPaint）; } //在内存中绘制可变色的Icon private void setUpTargetBitmap（int alpha） { mBitmap = Bitmap.createBitmap（getMeasuredWidth（）,getMeasuredHeight（）, Bitmap.Config.ARGB_8888）; mCanvas = new Canvas（mBitmap）; mPaint = new Paint（）; mPaint.setColor（mColor）; //抗锯齿 mPaint.setAntiAlias（true）; //抖动处理 mPaint.setDither（true）; mPaint.setAlpha（alpha）; mCanvas.drawRect（mIconRect, mPaint）; mPaint.setXfermode（new PorterDuffXfermode（PorterDuff.Mode.DST_IN））; mPaint.setAlpha（255）; mCanvas.drawBitmap（mIconBitmap, null, mIconRect, mPaint）; } public void setIconAlpha（float alpha）{ this.mAlpha = alpha; //重绘 invalidateView（）; } private void invalidateView（）{ if（Looper.getMainLooper（）==Looper.myLooper（））{//是UI线程invalidate（）; }else{postInvalidate（）; } } @Override protected Parcelable onSaveInstanceState（） { Bundle bundle = new Bundle（）; bundle.putParcelable（INSTANCE_STATUS,super.onSaveInstanceState（））; bundle.putFloat（INSTANCE_ALPHA,mAlpha）; return bundle; } @Override protected void onRestoreInstanceState（Parcelable state） { if（state instanceof Bundle）{Bundle bundle = （Bundle）state;mAlpha = bundle.getFloat（INSTANCE_ALPHA）;super.onRestoreInstanceState（bundle.getParcelable（INSTANCE_STATUS））; }else{super.onRestoreInstanceState（state）; } }}

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:

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:hymen="http://schemas.android.com/apk/res-auto" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" > <android.support.v4.view.ViewPager android:id="@+id/id_viewpager" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="1"> </android.support.v4.view.ViewPager> <LinearLayout android:orientation="horizontal" android:background="@drawable/tab_bg" android:layout_width="match_parent" android:layout_height="60dp"> <viewhelper.ChangeColorIconWithTextandroid:id="@+id/id_indicator_one"android:layout_width="0dp"android:layout_height="match_parent"android:layout_weight="1"android:padding="5dp"hymen:micon="@drawable/ic_menu_start_conversation"hymen:mcolor="#ff45c01a"hymen:text_size="12sp"hymen:text="@string/app_name"/> <viewhelper.ChangeColorIconWithTextandroid:id="@+id/id_indicator_two"android:layout_width="0dp"android:layout_height="match_parent"android:layout_weight="1"android:padding="5dp"hymen:micon="@drawable/ic_menu_friendslist"hymen:mcolor="#ff45c01a"hymen:text_size="12sp"hymen:text="@string/tab_contact"/> <viewhelper.ChangeColorIconWithTextandroid:id="@+id/id_indicator_three"android:layout_width="0dp"android:layout_height="match_parent"android:layout_weight="1"android:padding="5dp"hymen:mcolor="#ff45c01a"hymen:micon="@drawable/ic_menu_emoticons"hymen:text="@string/tab_found"hymen:text_size="12sp" /> <viewhelper.ChangeColorIconWithTextandroid:id="@+id/id_indicator_four"android:layout_width="0dp"android:layout_height="match_parent"android:layout_weight="1"android:padding="5dp"hymen:mcolor="#ff45c01a"hymen:micon="@drawable/ic_menu_allfriends"hymen:text="@string/tab_me"hymen:text_size="12sp" /> </LinearLayout></LinearLayout>

strings.xml内容:

<resources> <string name="app_name">微信</string> <string name="action_search">查找</string> <string name="action_add">添加</string> <string name="menu_group_chat">发起群聊</string> <string name="menu_feedback">意见反馈</string> <string name="menu_addfriend">添加朋友</string> <string name="menu_scan">扫一扫</string> <string name="tab_contact">通讯录</string> <string name="tab_found">发现</string> <string name="tab_me">我</string></resources>

main.xml内容 :

<?xml version="1.0" encoding="utf-8"?><menu xmlns:android="http://schemas.android.com/apk/res/android" > <item android:id="@+id/action_search" android:icon="@drawable/actionbar_search_icon" android:actionViewClass="android.widget.SearchView" android:showAsAction="ifRoom|collapseActionView" android:title="@string/action_search"/> <item android:id="@+id/action_group_chat" android:icon="@drawable/menu_group_chat_icon" android:title="@string/menu_group_chat"/> <item android:id="@+id/action_add_friend" android:icon="@drawable/menu_add_icon" android:title="@string/menu_addfriend"/> <item android:id="@+id/action_scan" android:icon="@drawable/men_scan_icon" android:title="@string/menu_scan"/> <item android:id="@+id/action_feedback" android:icon="@drawable/menu_feedback_icon" android:title="@string/menu_feedback"/></menu>

styles.xml内容:

<resources> <！-- Base application theme. --> <style name="AppBaseTheme" parent="Theme.AppCompat.Light"> <！-- Customize your theme here. --> <item name="colorPrimary">@color/colorPrimary</item> <item name="colorPrimaryDark">@color/colorPrimaryDark</item> <item name="colorAccent">@color/colorAccent</item> <item name="android:actionOverflowButtonStyle">@style/WeiXinOverflowButtonStyle</item> </style> <style name="WeiXinOverflowButtonStyle"> <item name="android:src">@drawable/actionbar_add_icon</item> </style> <！-- Application theme. --> <style name="AppTheme" parent="android:Theme.Holo.Light.DarkActionBar"> <！-- <style name="AppTheme" parent="AppBaseTheme">--> <！-- All customizations that are NOT specific to a particular API-level can go here. --> </style></resources>

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脚本之家。