自定义TimeButton

来源：互联网发布：文件收发管理系统源码编辑：程序博客网时间：2024/06/03 13:41
public class TimeButton extends Button implements View.OnClickListener {    private long lenght = 60 * 1000;// 倒计时长度,这里给了默认60秒    private String textafter = "秒后重新获取";    private String textbefore = "获取验证码";    private final String TIME = "time";    private final String CTIME = "ctime";    private OnClickListener mOnclickListener;    private Timer t;    private TimerTask tt;    private long time;    private Context mContext;    Map<String, Long> map = new HashMap<String, Long>();    public TimeButton(Context context) {        super(context);        setOnClickListener(this);    }    public TimeButton(Context context, AttributeSet attrs) {        super(context, attrs);        mContext = context;        setOnClickListener(this);    }    @SuppressLint("HandlerLeak")    Handler han = new Handler() {        public void handleMessage(android.os.Message msg) {            TimeButton.this.setText(time / 1000 + textafter);            time -= 1000;            if (time < 0) {                TimeButton.this.setEnabled(true);                TimeButton.this.setText(textbefore);                clearTimer();            }        };    };    private void initTimer() {        time = lenght;        t = new Timer();        tt = new TimerTask() {            @Override            public void run() {                han.sendEmptyMessage(0x01);            }        };    }    private void clearTimer() {        if (tt != null) {            tt.cancel();            tt = null;        }        if (t != null)            t.cancel();        t = null;    }    @Override    public void setOnClickListener(OnClickListener l) {        if (l instanceof TimeButton) {            super.setOnClickListener(l);        } else            this.mOnclickListener = l;    }    @Override    public void onClick(View v) {        if (mOnclickListener != null)            mOnclickListener.onClick(v);        initTimer();        this.setText(time / 1000 + textafter);        this.setEnabled(false);        t.schedule(tt, 0, 1000);        // t.scheduleAtFixedRate(task, delay, period);    }    /**     * 和activity的onDestroy()方法同步     */    public void onDestroy() {        if (App.map == null)            App.map = new HashMap<String, Long>();        App.map.put(TIME, time);        App.map.put(CTIME, System.currentTimeMillis());        clearTimer();    }    /**     * 和activity的onCreate()方法同步     */    public void onCreate(Bundle bundle) {        if (App.map == null)            return;        if (App.map.size() <= 0)// 这里表示没有上次未完成的计时            return;        long time = System.currentTimeMillis() - App.map.get(CTIME)                - App.map.get(TIME);        App.map.clear();        if (time > 0)            return;        else {            initTimer();            this.time = Math.abs(time);            t.schedule(tt, 0, 1000);            this.setText(time + textafter);            this.setEnabled(false);        }    }    /** * 设置计时时候显示的文本 */    public TimeButton setTextAfter(String text1) {        this.textafter = text1;        return this;    }    /** * 设置点击之前的文本 */    public TimeButton setTextBefore(String text0) {        this.textbefore = text0;        this.setText(textbefore);        return this;    }    /**     * 设置到计时长度     *     * @param lenght     *            时间 默认毫秒     * @return     */    public TimeButton setLenght(long lenght) {        this.lenght = lenght;        return this;    }    /***/}
<com.yyekt.widgets.TimeButtonandroid:layout_alignParentRight="true"android:layout_centerVertical="true"android:id="@+id/btn_getcode"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_weight="2"android:background="@null"android:singleLine="true"android:text="获取验证码"android:textColor="#f00"android:textSize="10sp" />
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