<android.support.design.widget.TextInputEditText
    android:id="@+id/edit_sign_in_password"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:hint="请输入密码"
    android:inputType="textPassword" />

<style name="MyEditText" parent="Theme.AppCompat.Light">
    <item name="colorControlNormal">@color/bule</item>
</style>

//日期选择
api 'com.contrarywind:Android-PickerView:4.1.8'

TimePickerView pvTime = new TimePickerBuilder(getContext(), new OnTimeSelectListener() {
    @Override
    public void onTimeSelect(Date date, View v) {
    }
}).build();
pvTime.show();

Date curDate = new Date(System.currentTimeMillis());//获取当前时间
SimpleDateFormat formatter_year = new SimpleDateFormat("yyyy ");
String year_str = formatter_year.format(curDate);
int year_int = (int) Double.parseDouble(year_str);
SimpleDateFormat formatter_mouth = new SimpleDateFormat("MM ");
String mouth_str = formatter_mouth.format(curDate);
int mouth_int = (int) Double.parseDouble(mouth_str);
SimpleDateFormat formatter_day = new SimpleDateFormat("dd ");
String day_str = formatter_day.format(curDate);
int day_int = (int) Double.parseDouble(day_str);
Calendar selectedDate = Calendar.getInstance();//系统当前时间
Calendar startDate = Calendar.getInstance();
startDate.set(1900, 0, 1);
Calendar endDate = Calendar.getInstance();
endDate.set(year_int, mouth_int - 1, day_int);
 TimePickerView pvTime = new TimePickerBuilder(getContext(), new OnTimeSelectListener() {
                            @Override
                            public void onTimeSelect(Date date, View v) {
                                Log.e("---------", "onTimeSelect: "+getTime(date) );
                            }
                        })
                                //年月日时分秒 的显示与否，不设置则默认全部显示
                                .setType(new boolean[]{true, true, true, true, true, true})
                                //默认设置为年月日时分秒
                                .setLabel("年", "月", "日", "时", "分", "秒")
                                .isCenterLabel(false)
                                //设置选中项的颜色
                                .setTextColorCenter(Color.RED)
                                //设置没有被选中项的颜色
                                .setTextColorOut(Color.BLUE)
                                .setDate(selectedDate)
                                .setContentTextSize(20)
                                .setLineSpacingMultiplier(1.2f)
                                //设置X轴倾斜角度[ -90 , 90°]
                                .setTextXOffset(-10, 0, 10, 0, 0, 0)
                                .setRangDate(startDate, endDate)
                                .setDecorView(null)
                                .build();
                        pvTime.show();
  private String getTime(Date date) {//可根据需要自行截取数据显示
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        return format.format(date);
    }

private final LinkedHashMap<Object, Object> MULTIPLE_FIELDS = new LinkedHashMap<>();
private final ReferenceQueue<LinkedHashMap<Object, Object>> ITEM_QUENE = new ReferenceQueue<>();
/**
 * 软引用：SoftReference
 *       如果内存空间足够，垃圾回收器绝不会回收他，如果内存不足，则会回收这些对象的内存。
 */
private final SoftReference<LinkedHashMap<Object, Object>> FIELDS_RETERENCE
        = new SoftReference<>(MULTIPLE_FIELDS, ITEM_QUENE);

//在manifest 中添加如下属性。
android:resizeableActivity="false"

<activity
    android:name=".ExampleActivity"
    android:screenOrientation="portrait">

Snackbar.make(layout, "要删除吗?", BaseTransientBottomBar.LENGTH_LONG)
        .setAction("确定", new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(MainActivity.this, "成功", Toast.LENGTH_SHORT).show();
            }
        }).show();

<?xml version="1.0" encoding="UTF-8"?>
< selector xmlns:android="http://schemas.android.com/apk/res/android">
 < !-- 指定按钮按下时的图片 -->
 <item android:state_pressed="true"  
       android:drawable="@drawable/start_down"
 />
 < !-- 指定按钮松开时的图片 --> 
 <item android:state_pressed="false"
       android:drawable="@drawable/start"
 />
< /selector>

<Button
  android:id="@+id/startButton"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:background="@drawable/button_selector" 
/>

private static final ThreadFactory FACTORY = new ThreadFactory() {
    private final AtomicInteger mCount = new AtomicInteger();
    @Override
    public Thread newThread(Runnable r) {
        return new Thread(r,"text ---- #"+mCount.getAndIncrement());
    }
};
public static void main(String[] args) {
    ThreadPoolExecutor textPool = new ThreadPoolExecutor(3,
            5, 0L, TimeUnit.MILLISECONDS,
            new LinkedBlockingDeque<Runnable>(),FACTORY);
    for (int i = 0; i < 10; i++) {
        textPool.execute(new Runnable() {
            @Override
            public void run() {
                System.out.println(Thread.currentThread().getName());
            }
        });
    }
}

text ---- #1
text ---- #2
text ---- #0
text ---- #2
text ---- #1
text ---- #2
text ---- #0
text ---- #2
text ---- #1
text ---- #0

<set xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- 透明动画 -->
    <alpha
        android:duration="2000"
        android:fromAlpha="1.0"
        android:toAlpha="0" />
</set>

Animation animation = AnimationUtils.loadAnimation(MainActivity.this, R.anim.alpha);
animation.setFillAfter(true);
group.startAnimation(animation);

<set xmlns:android="http://schemas.android.com/apk/res/android">
    <!--缩放动画-->
    <scale
        android:fromXScale="1.0"
        android:fromYScale="1.0"
        android:pivotX="50%"
        android:pivotY="50%"
        android:toXScale="0.2"
        android:toYScale="0.2" />
</set>

<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate
        android:duration="2000"
        android:fromXDelta="20"
        android:fromYDelta="20"
        android:toXDelta="100"
        android:toYDelta="100" />
</set>

<set xmlns:android="http://schemas.android.com/apk/res/android">
    <rotate
        android:fromDegrees="0"
        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
        android:pivotX="50%"
        android:pivotY="50%"
        android:duration="1000"
        android:toDegrees="+360" />
</set>

<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
    android:oneshot="true" >
    <item
        android:drawable="@drawable/first_pic"
        android:duration="1000"/>
    <item
        android:drawable="@drawable/second_pic"
        android:duration="1000"/>
    <item
        android:drawable="@drawable/third_pic"
        android:duration="1000"/>
    <item
        android:drawable="@drawable/fourth_pic"
        android:duration="1000"/>
    <item
        android:drawable="@drawable/fifth_pic"
        android:duration="1000"/>
    <item
        android:drawable="@drawable/sixth_pic"
        android:duration="1000"/>
</animation-list>

image.setImageResource(R.drawable.anim_list);
AnimationDrawable animationDrawable = (AnimationDrawable) image.getDrawable();
animationDrawable.start();
//animationDrawable.stop(); //如果oneshot为false，必要时要停止动画

//代码定义、创建、执行动画
AnimationDrawable animationDrawable = new AnimationDrawable();
animationDrawable.addFrame(getResources().getDrawable(R.drawable.first_pic), 1000);
animationDrawable.addFrame(getResources().getDrawable(R.drawable.second_pic), 1000);
animationDrawable.addFrame(getResources().getDrawable(R.drawable.third_pic), 1000);
animationDrawable.addFrame(getResources().getDrawable(R.drawable.fourth_pic), 1000);
animationDrawable.addFrame(getResources().getDrawable(R.drawable.fifth_pic), 1000);
animationDrawable.addFrame(getResources().getDrawable(R.drawable.sixth_pic), 1000);
animationDrawable.setOneShot(true);
image.setImageDrawable(animationDrawable);
animationDrawable.start();

ViewPropertyAnimator animate = imageView.animate();
    //当动画的属性更新时（不严谨的说，即每过 10 毫秒，动画的完成度更新时），这个方法被调用。
                animate.setUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
                    @Override
                    public void onAnimationUpdate(ValueAnimator animation) {
                    }
                });
                animate.setListener(new AnimatorListenerAdapter() {
                    //当动画被cancel()方法取消时，这个方法会被调用。
                    //需要说明一下的是，就算动画被取消，onAnimationEnd() 也会被调用。所以当动画被取消时，如果设置了  AnimatorListener，那么 onAnimationCancel() 和 onAnimationEnd() 都会被调用。onAnimationCancel() 会先于 onAnimationEnd() 被调用。
                    @Override
                    public void onAnimationCancel(Animator animation) {
                        super.onAnimationCancel(animation);
                    }
                    //当动画结束时调用
                    @Override
                    public void onAnimationEnd(Animator animation) {
                        super.onAnimationEnd(animation);
                    }
                    //当动画通过 setRepeatMode() / setRepeatCount() 或 repeat() 方法重复执行时，这个方法被调用。
                    @Override
                    public void onAnimationRepeat(Animator animation) {
                        super.onAnimationRepeat(animation);
                    }
                    //当动画开始时调用
                    @Override
                    public void onAnimationStart(Animator animation) {
                        super.onAnimationStart(animation);
                    }
                });

//利用 ObjectAnimator 实现透明动画。group 代表的是 视图
                ObjectAnimator
                        .ofFloat(group, "alpha", 1, 0, 1)
                        .setDuration(2000)
                        .start();
                //利用AnimatorSet 和 ObjectAnimation 实现缩放动画
                final AnimatorSet animatorSet = new AnimatorSet();
                group.setPivotX(group.getWidth()/2);
                group.setPivotY(group.getHeight()/2);
                animatorSet.playTogether(
                        ObjectAnimator.ofFloat(group,"scaleX",1,0.2f).setDuration(5000),
                        ObjectAnimator.ofFloat(group,"scaleY",1,0.2f).setDuration(5000)
                );
                animatorSet.start();
                //使用AnimatorSet 和 ObjectAnimation 实现平移动画
                AnimatorSet animatorSet = new AnimatorSet();
                animatorSet.playTogether(
                        ObjectAnimator.ofFloat(group,"translationX",20,100).setDuration(2000),
                        ObjectAnimator.ofFloat(group,"translationY",20,100).setDuration(2000)
                );
                animatorSet.start();
                //利用ObjectAnimation 实现旋转动画
                group.setPivotX(group.getWidth() / 2);
                group.setPivotY(group.getHeight() / 2);
                ObjectAnimator
                        .ofFloat(group, "rotation", 0, 180)
                        .setDuration(2000)
                        .start();

public class Text extends View {
    int TextX = 0;
    public int getTextX() {
        return TextX;
    }
    public void setTextX(int textX) {
        TextX = textX;
        invalidate();
    }
    public Text(Context context) {
        super(context);
    }
    public Text(Context context,AttributeSet attrs) {
        super(context, attrs);
    }
    @Override
    public void draw(Canvas canvas) {
        super.draw(canvas);
        Paint paint = new Paint();
        paint.setColor(Color.BLUE);
        paint.setStyle(Paint.Style.STROKE);//描边
        paint.setStrokeCap(Paint.Cap.BUTT); //线帽：默认
        paint.setStrokeJoin(Paint.Join.BEVEL); //直线
        paint.setTextSize(50);
        paint.setTypeface(Typeface.defaultFromStyle(Typeface.NORMAL));//字体类型
        //对齐方式
        paint.setTextAlign(Paint.Align.LEFT);
        //文本
        Paint.FontMetrics fontMetrics = paint.getFontMetrics();
        //获取基线 的坐标
        float TextY = getHeight()/2 +((fontMetrics.top - fontMetrics.bottom)/2 - fontMetrics.bottom);
        canvas.drawText("我是自定义文本",TextX,TextY,paint);
    }
}

<com.admin.view_core.viewGroup.Text
    android:id="@+id/text"
    android:layout_width="200dp"
    android:layout_height="100dp"
    android:background="#999999"
    />

Text text = findViewById(R.id.text);
ObjectAnimator animator = ObjectAnimator.ofInt(text,"TextX",0,100);
animator.start();

ObjectAnimator
                        .ofFloat(group, "alpha", 1, 0, 1)
                        .setDuration(2000)
                        .start();

Text text = findViewById(R.id.text);
                ObjectAnimator animator = ObjectAnimator.ofInt(text,"TextX",0,900);
                //速度设置器。设置不同的 Interpolator ，动画就会以不同的速度来执行
//                animator.setInterpolator(new LinearInterpolator());//匀速
//                animator.setInterpolator(new AccelerateDecelerateInterpolator());//先加速，在减速,这个是默认的
//                animator.setInterpolator(new AccelerateInterpolator());//持续加速
//                animator.setInterpolator(new DecelerateInterpolator());//持续 减速直到0
                // 先回拉一下在进行正常的 动画轨迹,如果是 放大，就先缩小一下在放大，其他同理
//                animator.setInterpolator(new DecelerateInterpolator());
                //动画会超过目标值一些，然后 弹回来
//                animator.setInterpolator(new OvershootInterpolator());
                //上面两个的结合，开始前会拉，最后 超过一些在回弹
//                animator.setInterpolator(new AnticipateOvershootInterpolator());
                //在目标出处弹跳
//                animator.setInterpolator(new BounceInterpolator());
                //这是一个 正弦./余弦曲线。他可以自定义 曲线的生命周期，所以动画可以不到终点就结束
                // 也可以 到达终点后 反弹，回弹的次数由 曲线的周期确定，曲线的周期由 CycleInterpolator 构造方法的参数决定
//                animator.setInterpolator(new CycleInterpolator(0.5f));
    animator.start();

ObjectAnimator animator = ObjectAnimator.ofInt(text,"TextX",50,200);
animator.addListener(new AnimatorListenerAdapter() {
    @Override
    public void onAnimationCancel(Animator animation) {
        super.onAnimationCancel(animation);
    }
    @Override
    public void onAnimationEnd(Animator animation) {
        super.onAnimationEnd(animation);
    }
    @Override
    public void onAnimationRepeat(Animator animation) {
        super.onAnimationRepeat(animation);
    }
    @Override
    public void onAnimationStart(Animator animation) {
        super.onAnimationStart(animation);
    }
    //由于ObjectAnimation 支持使用 onPause 暂停，
    // 所以增加了下面两个 监听
    @Override
    public void onAnimationPause(Animator animation) {
        super.onAnimationPause(animation);
    }
    @Override
    public void onAnimationResume(Animator animation) {
        super.onAnimationResume(animation);
    }
});
animator.start();

ObjectAnimator animator = ObjectAnimator.ofInt(view, "color", 0xffff0000, 0xff00ff00);
// 在这里使用 ObjectAnimator.setEvaluator() 来设置 ArgbEvaluator，修复闪烁问题
animator.setEvaluator(new ArgbEvaluator());
animator.setInterpolator(new LinearInterpolator());
animator.setDuration(2000);
animator.start();

// 使用 PropertyValuesHolder.ofFloat() 来创建不同属性的动画值方案
PropertyValuesHolder holder1 = PropertyValuesHolder.ofFloat("scaleX", 0,1);
PropertyValuesHolder holder2 = PropertyValuesHolder.ofFloat("scaleY", 0,1);
PropertyValuesHolder holder3 = PropertyValuesHolder.ofFloat("alpha", 0,1);
// 然后，用 ObjectAnimator.ofPropertyValuesHolder() 把三个属性合并，创建 Animator 然后执行
ObjectAnimator
        .ofPropertyValuesHolder(view, holder1, holder2, holder3)
        .start();

view.setTranslationX(-200f);
ObjectAnimator animator1 = ObjectAnimator.ofFloat(view, "alpha", 0, 1);
animator1.setDuration(1000);
ObjectAnimator animator2 = ObjectAnimator.ofFloat(view, "translationX", -200, 200);
ObjectAnimator animator3 = ObjectAnimator.ofFloat(view, "rotation", 0, 1080);
animator3.setDuration(1000);
AnimatorSet animatorSet = new AnimatorSet();
// 用 AnimatorSet 的方法来让三个动画协作执行
// 要求 1： animator1 先执行，animator2 在 animator1 完成后立即开始
// 要求 2： animator2 和 animator3 同时开始
//先执行 1，在执行2
animatorSet.playSequentially(animator1,animator2);
//2 和 3 一起执行
animatorSet.playTogether(animator2,animator3);
animatorSet.start();

// 使用 Keyframe.ofFloat() 来为 view 的 progress 属性创建关键帧
// 初始帧：progress 为 0
Keyframe keyframe1 = Keyframe.ofFloat(0,0);
// 时间进行到一半：progress 为 100
Keyframe keyframe2 = Keyframe.ofFloat(0.5f,100);
// 结束帧：progress 回落到 80
Keyframe keyframe3 = Keyframe.ofFloat(1,80);
// 使用 PropertyValuesHolder.ofKeyframe() 来把关键帧拼接成一个完整的属性动画方案
PropertyValuesHolder holder = PropertyValuesHolder
        .ofKeyframe("progress",keyframe1,keyframe2,keyframe3);
// 使用 ObjectAnimator.ofPropertyValuesHolder() 来创建动画
ObjectAnimator animator  = ObjectAnimator.ofPropertyValuesHolder(view,holder);
animator.setDuration(1000);
animator.start();