Xin chào ai có thể giúp tôi trong dự án nhỏ của tôi, tôi đã làm theo hướng dẫn này và tôi đã đến phần mà tôi chèn 1 phút vào EditText. tốt 1 Tiến độ mỗi giây nhưng khi tôi đặt trong hơn 1 phút vào EditText thanh tiến trình không hoạt động. Nó không đi xuống xin vui lòng giúp đỡ?Đồng hồ đếm ngược thông minh Thanh tiến trình không khớp với hẹn giờ
main.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/LinearLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="#086A87">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:orientation="horizontal"
android:padding="10dp" >
<EditText
android:id="@+id/edtTimerValue"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:ems="10"
android:hint="minutes"
android:inputType="phone" />
<Button
android:id="@+id/btnStartTime"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="5dp"
android:layout_weight="2"
android:gravity="center"
android:text="Start Timer"
android:background="@drawable/custombuttongreen"
android:textColor="#fff"/>
<Button
android:id="@+id/btnStopTime"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="5dp"
android:layout_weight="2"
android:gravity="center"
android:text="Stop Timer"
android:visibility="gone"
android:background="@drawable/custombuttongreen"
android:textColor="#fff"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:orientation="vertical" >
</LinearLayout>
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<ProgressBar
android:id="@+id/progressbar"
android:layout_width="350dip"
android:layout_height="350dip"
android:indeterminate="false"
android:progressDrawable="@drawable/circle"
android:background="@drawable/circle_shape"
style="?android:attr/progressBarStyleHorizontal"
android:max="60"
android:progress="0" />
<TextView
android:id="@+id/tvTimeCount"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:text="00:00"
android:textColor="#fff"
android:textSize="60dip"/>
</RelativeLayout>
MainActivity.java
package com.tag.countdowntimer;
import com.tag.countdowntimer.R.drawable;
import android.R.color;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity implements OnClickListener {
int i=-1;
ProgressBar mProgressBar;
private Button buttonStartTime, buttonStopTime;
private EditText edtTimerValue;
private TextView textViewShowTime; // will show the time
private CountDownTimer countDownTimer; // built in android class
// CountDownTimer
private long totalTimeCountInMilliseconds; // total count down time in
// milliseconds
private long timeBlinkInMilliseconds; // start time of start blinking
private boolean blink; // controls the blinking .. on and off
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
buttonStartTime = (Button) findViewById(R.id.btnStartTime);
buttonStopTime = (Button) findViewById(R.id.btnStopTime);
textViewShowTime = (TextView) findViewById(R.id.tvTimeCount);
edtTimerValue = (EditText) findViewById(R.id.edtTimerValue);
buttonStartTime.setOnClickListener(this);
buttonStopTime.setOnClickListener(this);
mProgressBar = (ProgressBar) findViewById(R.id.progressbar);
}
@Override
public void onClick(View v) {
if (v.getId() == R.id.btnStartTime) {
textViewShowTime.setTextAppearance(getApplicationContext(),
R.style.normalText);
setTimer();
//Hides the Keyboard
InputMethodManager imm = (InputMethodManager)getSystemService(
Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(edtTimerValue.getWindowToken(), 0);
buttonStopTime.setVisibility(View.VISIBLE);
buttonStartTime.setVisibility(View.GONE);
edtTimerValue.setVisibility(View.GONE);
edtTimerValue.setText("");
//textViewShowTime.setTextColor(color.white);
//textViewShowTime.getContext();
startTimer();
} else if (v.getId() == R.id.btnStopTime) {
countDownTimer.cancel();
buttonStartTime.setVisibility(View.VISIBLE);
buttonStopTime.setVisibility(View.GONE);
edtTimerValue.setVisibility(View.VISIBLE);
}
}
private void setTimer() {
int time = 0;
if (!edtTimerValue.getText().toString().equals("")) {
time = Integer.parseInt(edtTimerValue.getText().toString());
} else
Toast.makeText(MainActivity.this, "Please Enter Minutes...",
Toast.LENGTH_LONG).show();
totalTimeCountInMilliseconds = 60 * time * 1000;
timeBlinkInMilliseconds = 30 * 1000;
}
private void startTimer() {
countDownTimer = new CountDownTimer(totalTimeCountInMilliseconds, 500) {
// 500 means, onTick function will be called at every 500
// milliseconds
@Override
public void onTick(long leftTimeInMilliseconds) {
long seconds = leftTimeInMilliseconds/1000;
//i++;
//Setting the Progress Bar to decrease wih the timer
mProgressBar.setProgress((int) (leftTimeInMilliseconds/1000));
textViewShowTime.setTextAppearance(getApplicationContext(),
R.style.normalColor);
if (leftTimeInMilliseconds < timeBlinkInMilliseconds) {
textViewShowTime.setTextAppearance(getApplicationContext(),
R.style.blinkText);
// change the style of the textview .. giving a red
// alert style
if (blink) {
textViewShowTime.setVisibility(View.VISIBLE);
// if blink is true, textview will be visible
} else {
textViewShowTime.setVisibility(View.INVISIBLE);
}
blink = !blink; // toggle the value of blink
}
textViewShowTime.setText(String.format("%02d", seconds/60)
+ ":" + String.format("%02d", seconds % 60));
// format the textview to show the easily readable format
}
@Override
public void onFinish() {
// this function will be called when the timecount is finished
textViewShowTime.setText("Time up!");
textViewShowTime.setVisibility(View.VISIBLE);
buttonStartTime.setVisibility(View.VISIBLE);
buttonStopTime.setVisibility(View.GONE);
edtTimerValue.setVisibility(View.VISIBLE);
}
}.start();
}
}
Bình thường Nhà nước Hẹn giờ
Khi tôi nhập 1 Minute
Khi tôi nhập 3 Minutes
Progress Bar không Counting Down
Bạn có thể cho tôi liên kết đến hướng dẫn không? – Pejs