package com.why.project.toastmiuidemo.views;import android.content.Context;import android.graphics.PixelFormat;import android.os.Handler;import android.view.Gravity;import android.view.LayoutInflater;import android.view.View;import android.view.WindowManager;import android.widget.TextView;import com.why.project.toastmiuidemo.R;/** * CreateBy HaiyuKing * Used 仿MIUI的带有动画的Toast效果实现，基于WindowManager【可以控制显示样式、位置、显示时间、动画，不可触发】 * 注意 Toast布局在源码中的布局是采用LinearLayout */public class ToastMiui {    /**显示的时间（长）*/    public static final int LENGTH_LONG = 3500;    /**显示的时间（短）*/    public static final int LENGTH_SHORT = 2000;          private WindowManager mWindowManager;//整个Android的窗口机制是基于一个叫做 WindowManager    private View mToastView;    private WindowManager.LayoutParams mParams;        private Handler mHandler;    private Context mContext;        private int mShowTime = LENGTH_SHORT;//记录Toast的显示长短类型LENGTH_LONG/LENGTH_SHORT    private boolean mIsShow;//记录当前Toast的内容是否已经在显示    /**     * 逻辑简单粗暴，直接调用构造函数实例化一个MiuiToast对象并返回。*/    public static ToastMiui MakeText(Context context, CharSequence text, int duration) {        ToastMiui toastMiui = new ToastMiui(context, text, duration);        return toastMiui;    }        public static ToastMiui MakeText(Context context, int toastStrId, int showTime) {        ToastMiui toastMiui = new ToastMiui(context, context.getString(toastStrId), showTime);        return toastMiui;    }    /**在构造方法中，更多的是对数据的初始化，由于设置布局参数比较多，所以单独抽出一个函数来*/    private ToastMiui(Context context, CharSequence text, int duration){        mContext = context;        mShowTime = duration;//记录Toast的显示长短类型        mIsShow = false;//记录当前Toast的内容是否已经在显示        mWindowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);        //通过inflate获取自定义的Toast布局文件        mToastView = LayoutInflater.from(context).inflate(R.layout.toast_custom_view,null);        TextView tv = (TextView) mToastView.findViewById(R.id.tv_toast);        tv.setText(text);        //设置布局参数        setParams();    }    /**设置布局参数     * 这个设置参数更多是参考源代码中原生Toast的设置参数的类型     * 在这里我们需要注意的是 mParams.windowAnimations = R.style.anim_view;这个是我们这个仿MIUI的Toast动画实现的基石。*/    private void setParams() {        mParams = new WindowManager.LayoutParams();        mParams.height = WindowManager.LayoutParams.WRAP_CONTENT;          mParams.width = WindowManager.LayoutParams.WRAP_CONTENT;        mParams.format = PixelFormat.TRANSLUCENT;          mParams.windowAnimations = R.style.anim_view;//设置进入退出动画效果        mParams.type = WindowManager.LayoutParams.TYPE_TOAST;          mParams.flags = WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON                  | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE                  | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;        mParams.alpha = 1.0f;          mParams.setTitle("ToastMiui");        mParams.packageName = mContext.getPackageName();                mParams.gravity = Gravity.CENTER_HORIZONTAL|Gravity.BOTTOM;//设置显示的位置        mParams.y = 50;//设置偏移量    }    /**     * 1、gravity是输入Toast需要显示的位置，例如CENTER_VERTICAL（垂直居中）、CENTER_HORIZONTAL（水平居中）、TOP（顶部）等等。     * 2、xOffset则是决定Toast在水平方向（x轴）的偏移量，偏移量单位为，大于0向右偏移，小于0向左偏移     * 3、yOffset决定Toast在垂直方向（y轴）的偏移量，大于0向下偏移，小于0向上偏移，想设大值也没关系，反正Toast不会跑出屏幕。*/    public void setGravity(int gravity, int xOffset, int yOffset) {        mParams.gravity = gravity;        mParams.x = xOffset;        mParams.y = yOffset;    }    public void setText(CharSequence s){        TextView tv = (TextView) mToastView.findViewById(R.id.tv_toast);        tv.setText(s);    }    public void setText(int resId){        TextView tv = (TextView) mToastView.findViewById(R.id.tv_toast);        tv.setText(resId);    }        public void show() {        if(!mIsShow) {//如果Toast没有显示，则开始加载显示            mIsShow = true;            mWindowManager.addView(mToastView, mParams);            if (mHandler == null) {                mHandler = new Handler();            }            mHandler.postDelayed(timerRunnable, mShowTime);        }    }         private final Runnable timerRunnable = new Runnable() {        @Override          public void run() {            removeView();        }      };          public void removeView() {          if (mToastView != null && mToastView.getParent() != null) {              mWindowManager.removeView(mToastView);            mHandler.removeCallbacks(timerRunnable);            mIsShow = false;        }    }  }

<?xml version="1.0" encoding="utf-8"?><!-- 自定义显示风格的Toast的布局文件 --><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/toast_custom_layout"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:background="@drawable/toast_custom_view_bg"    android:orientation="vertical">    <TextView        android:id="@+id/tv_toast"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:paddingTop="@dimen/toast_custom_text_paddingTB"        android:paddingBottom="@dimen/toast_custom_text_paddingTB"        android:paddingLeft="@dimen/toast_custom_text_paddingLR"        android:paddingRight="@dimen/toast_custom_text_paddingLR"        android:text=""        android:textColor="@android:color/white"        android:textSize="@dimen/toast_custom_text_size"/></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><!-- 自定义显示风格的Toast的布局文件的背景 --><shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">    <!-- 圆角 -->    <corners android:radius="@dimen/toast_custom_view_bg_corners" />    <!-- 描边 -->    <stroke        android:width="1dp"        android:color="#666666" />    <!-- 填充 -->    <solid android:color="#666666" /></shape>

<?xml version="1.0" encoding="utf-8"?><!-- ToastMiui【仿小米带有动画的Toast】进入动画 --><set xmlns:android="http://schemas.android.com/apk/res/android">    <translate        android:fromXDelta="0"        android:fromYDelta="0"        android:toXDelta="0"        android:toYDelta="85"        android:duration="1"        />    <translate        android:fromXDelta="0"        android:fromYDelta="0"        android:toXDelta="0"        android:toYDelta="-105"        android:duration="350"        android:fillAfter="true"        android:interpolator="@android:anim/decelerate_interpolator"        />    <alpha         android:fromAlpha="0"        android:toAlpha="1"        android:duration="100"        />    <translate        android:fromXDelta="0"        android:fromYDelta="0"        android:toXDelta="0"        android:toYDelta="20"        android:duration="80"        android:fillAfter="true"        android:startOffset="350"        /></set>

<?xml version="1.0" encoding="utf-8"?><!-- ToastMiui【仿小米带有动画的Toast】退出动画 --><set xmlns:android="http://schemas.android.com/apk/res/android">    <alpha         android:fromAlpha="1"        android:toAlpha="0"        android:duration="800"/></set>