An android like movie Countdown effect

1. Activity

Import Java.util.Timer;

Import Java.util.TimerTask;

Import Android.annotation.SuppressLint;

Import android.app.Activity;

Import Android.os.Bundle;

Import Android.os.Handler;

Import Android.os.Message;

Import Android.view.View;

Import Android.view.View.OnClickListener;

Import android.view.animation.Animation;

Import android.view.animation.RotateAnimation;

Import Android.widget.Button;

Import Android.widget.ImageView;

Import Android.widget.TextView;

public class Test extends activity {

Private long mlcount = 50;

Private long mcount = 0;

TextView Tvtime;

Private Button Startbuttondaoji;

Private timer timer = null;

Private TimerTask task = null;

Private Handler Handler = null;

Private message msg = NULL;

Private ImageView min_progress, Min_progress_hand;

Animation rotateanimation;

float Predegree = 0;

Boolean okclear = false;

@SuppressLint ("Handlerleak")

@Override

public void OnCreate (Bundle savedinstancestate) {

Super.oncreate (savedinstancestate);

Init ();

}

private void init () {

Setcontentview (r.layout.test);

Tvtime = (TextView) Findviewbyid (r.id.duocitvtime);

Startbuttondaoji = (Button) Findviewbyid (R.ID.STARTBUTTONDUOCI);

Min_progress = (ImageView) This.findviewbyid (r.id.duocimin_progress);

Min_progress_hand = (ImageView) This

. Findviewbyid (R.id.duocimin_progress_hand);

Tvtime.settext ("4");

Saverun.setisjishi (FALSE);

Handler = new Handler () {

@Override

public void Handlemessage (msg) {

Switch (msg.what) {

Case 1:

if (mlcount>1) {

mlcount--;

mcount++;

}else{

Break

}

int totalsec = 0;

totalsec = (int) (MLCOUNT/10);

int sec = (totalsec% 60);

try {

Rotateanimation = new Rotateanimation (Predegree,

(float) (* mcount),

Animation.relative_to_self, 0.5f,

Animation.relative_to_self, 0.5f);

Rotateanimation.setduration (100);

Rotateanimation.setfillafter (FALSE);

Min_progress_hand.startanimation (rotateanimation);

Min_progress.startanimation (rotateanimation);

Tvtime.settext (String.Format ("%1$2d"),

SEC));

Predegree = (float) (mcount);

catch (Exception e) {

Tvtime.settext (sec + "");

E.printstacktrace ();

}

Break

Default

Break

}

Super.handlemessage (msg);

}

};

}

@Override

protected void OnStart () {

Star ();

Super.onstart ();

}

private void Star () {

Startbuttondaoji.setonclicklistener (New Onclicklistener () {

@Override

public void OnClick (View arg0) {

Startbuttondaoji.setvisibility (View.gone);

if (null = = timer) {

if (null = Task) {

Saverun.setisjishi (TRUE);

Okclear = false;

Min_progress.setvisibility (view.visible);

task = new TimerTask () {

@Override

public void Run () {

if (null = msg) {

msg = new Message ();

} else {

msg = Message.obtain ();

}

Msg.what = 1;

Handler.sendmessage (msg);

}

};

}

Timer = new timer (true);

Timer.schedule (Task, 100, 100);

}

}

});

}

View.onclicklistener Startpauselistener = new View.onclicklistener () {

@Override

public void OnClick (View v) {

if (null = = timer) {

if (null = Task) {

Saverun.setisjishi (TRUE);

Okclear = false;

Min_progress.setvisibility (view.visible);

task = new TimerTask () {

@Override

public void Run () {

if (null = msg) {

msg = new Message ();

} else {

msg = Message.obtain ();

}

Msg.what = 1;

Handler.sendmessage (msg);

}

};

}

Timer = new timer (true);

Timer.schedule (Task, 100, 100);

} else {

try {

Saverun.setisjishi (FALSE);

Okclear = true;

Task.cancel ();

task = null;

Timer.cancel ();

Timer.purge ();

timer = null;

Handler.removemessages (Msg.what);

catch (Exception e) {

E.printstacktrace ();

}

}

}

};

}

2. layout file

<relativelayout xmlns:android= "http://schemas.android.com/apk/res/android" xmlns:tools= "http:// Schemas.android.com/tools "android:layout_width=" match_parent "android:layout_height=" Match_parent "Android:ba"
        Ckground= "@android: Color/background_dark" > <relativelayout android:layout_width= "match_parent"
            android:layout_height= "Match_parent" android:layout_above= "@+id/buttonlinear" > <imageview Android:id= "@+id/duocimin_dial" android:layout_width= "wrap_content" android:layout_height= "WR" Ap_content "android:layout_centerinparent=" true "android:src=" @drawable/iv_bg "/> < ImageView android:id= "@+id/duocimin_progress" android:layout_width= "Wrap_content" Andr oid:layout_height= "Wrap_content" android:layout_centerinparent= "true" android:src= "@drawable/min_p Rogress "android:visibility=" inVisible "/> <imageview android:id=" @+id/duocimin_progress_hand "Android:layout_widt"
            H= "Wrap_content" android:layout_height= "Wrap_content" android:layout_centerinparent= "true"
            android:src= "@drawable/min_progress_hand"/> <textview android:id= "@+id/duocitvtime" Android:layout_width= "Wrap_content" android:layout_height= "Wrap_content" Android:layout_cen Terinparent= "true" android:text= "00:00.0" android:textsize= "35sp" android:textstyle= "B" Old "/> <linearlayout android:id=" @+id/duocihoursoflinear "android:layout_width=" WR
            Ap_content "android:layout_height=" wrap_content "android:layout_above=" @+id/duocitvtime " Android:layout_centerhorizontal= "true" android:gravity= "center" android:orientation= "horizontal "Android:visibility= "Invisible" > </LinearLayout> <linearlayout android:layout _width= "Match_parent" android:layout_height= "wrap_content" android:layout_alignbottom= "@+id/duocim" In_dial "android:gravity=" center_horizontal "android:orientation=" Horizontal "> &L T
                Relativelayout android:layout_width= "wrap_content" android:layout_height= "Wrap_content"
                android:layout_marginright= "100SP" > </RelativeLayout> <relativelayout
            Android:layout_width= "Wrap_content" android:layout_height= "Wrap_content" > </RelativeLayout> </LinearLayout> </RelativeLayout> <relativelayout android: Id= "@+id/buttonlinear" android:layout_width= "match_parent" android:layout_height= "74SP" Android:la Yout_alignparentbottom= "true" android:background= "@drawable/v5_bottom_bar_bg_light" > <button android:id= "@
            +id/startbuttonduoci "android:layout_width=" match_parent "android:layout_height=" Wrap_content " Android:layout_centerinparent= "true" android:layout_marginleft= "10SP" Android:layout_marg inright= "10SP" android:background= "@drawable/startback" android:text= "Start"/> </rela Tivelayout> </RelativeLayout>