Android之Toast自定义动画

参考出处：http://www.cnblogs.com/net168/p/4237528.html
（会出现窗体泄漏has leaked window）避免在线程中removeView
public class MyToast {    boolean mShowTime;    boolean mIsShow;    WindowManager mWdm;    Timer mTimer;    View mToastView;    WindowManager.LayoutParams mParams;    public MyToast(Context context, String text, boolean showTime) {        mShowTime = showTime;//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        mWdm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);        mToastView = Toast.makeText(context, text, Toast.LENGTH_SHORT).getView();//通过Toast实例获取当前android系统的默认Toast的View布局        mTimer = new Timer();        setParams();    }    /**     * 设置布局参数     */    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.gravity = Gravity.BOTTOM;//位置        mParams.y = 50;    }    public static MyToast makeText(Context context, String text, boolean showTime) {        MyToast result = new MyToast(context, text, showTime);        return result;    }    /**     * 此处修改 以免造成窗体泄漏     */    public void show() {        if (!mIsShow) {            mIsShow = true;            mWdm.addView(mToastView, mParams);            mTimer.schedule(new TimerTask() {                @Override                public void run() {                    mHandler.sendEmptyMessage(1);                }            }, (long) (mShowTime ? 1500 : 1500));        }    }    Handler mHandler = new Handler() {        @Override        public void handleMessage(Message msg) {            mWdm.removeViewImmediate(mToastView);            mIsShow = false;            super.handleMessage(msg);        }    };}
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