Android倒计时控件Splash界面5秒自动跳转
现在很多app的首页都有一个倒计时控件,比如说3秒或者5秒自动跳转界面,或者点击控件直接跳过
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首先,自定义控件CircleProgressbar(参考网上资料)
package com.zhoujian.mykeep.view; import android.annotation.TargetApi; import android.content.Context; import android.content.res.ColorStateList; import android.content.res.TypedArray; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Rect; import android.graphics.RectF; import android.os.Build; import android.support.annotation.ColorInt; import android.util.AttributeSet; import android.widget.TextView; import com.zhoujian.mykeep.R; public class CircleProgressbar extends TextView { //外部轮廓的颜色 private int outLineColor = Color.BLACK; //外部轮廓的宽度 private int outLineWidth = 2; //内部圆的颜色 private ColorStateList inCircleColors = ColorStateList.valueOf(Color.TRANSPARENT); //中心圆的颜色 private int circleColor; //进度条的颜色 private int progressLineColor = Color.BLUE; //进度条的宽度 private int progressLineWidth = 8; //画笔 private Paint mPaint = new Paint(); //进度条的矩形区域 private RectF mArcRect = new RectF(); //进度 private int progress = 100; //进度条类型 private ProgressType mProgressType = ProgressType.COUNT_BACK; //进度倒计时时间 private long timeMillis = 3000; //View的显示区域。 final Rect bounds = new Rect(); //进度条通知。 private OnCountdownProgressListener mCountdownProgressListener; private int listenerWhat = 0; public CircleProgressbar(Context context) { this(context, null); } public CircleProgressbar(Context context, AttributeSet attrs) { this(context, attrs, 0); } public CircleProgressbar(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); initialize(context, attrs); } @TargetApi(Build.VERSION_CODES.LOLLIPOP) public CircleProgressbar(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { super(context, attrs, defStyleAttr, defStyleRes); initialize(context, attrs); } private void initialize(Context context, AttributeSet attributeSet) { mPaint.setAntiAlias(true); TypedArray typedArray = context.obtainStyledAttributes(attributeSet, R.styleable.CircleProgressbar); if (typedArray.hasValue(R.styleable.CircleProgressbar_in_circle_color)) inCircleColors = typedArray.getColorStateList(R.styleable.CircleProgressbar_in_circle_color); else inCircleColors = ColorStateList.valueOf(Color.TRANSPARENT); circleColor = inCircleColors.getColorForState(getDrawableState(), Color.TRANSPARENT); typedArray.recycle(); } public void setOutLineColor(@ColorInt int outLineColor) { this.outLineColor = outLineColor; invalidate(); } public void setOutLineWidth(@ColorInt int outLineWidth) { this.outLineWidth = outLineWidth; invalidate(); } public void setInCircleColor(@ColorInt int inCircleColor) { this.inCircleColors = ColorStateList.valueOf(inCircleColor); invalidate(); } private void validateCircleColor() { int circleColorTemp = inCircleColors.getColorForState(getDrawableState(), Color.TRANSPARENT); if (circleColor != circleColorTemp) { circleColor = circleColorTemp; invalidate(); } } public void setProgressColor(@ColorInt int progressLineColor) { this.progressLineColor = progressLineColor; invalidate(); } public void setProgressLineWidth(int progressLineWidth) { this.progressLineWidth = progressLineWidth; invalidate(); } public void setProgress(int progress) { this.progress = validateProgress(progress); invalidate(); } private int validateProgress(int progress) { if (progress > 100) progress = 100; else if (progress < 0) progress = 0; return progress; } public int getProgress() { return progress; } public void setTimeMillis(long timeMillis) { this.timeMillis = timeMillis; invalidate(); } public long getTimeMillis() { return this.timeMillis; } public void setProgressType(ProgressType progressType) { this.mProgressType = progressType; resetProgress(); invalidate(); } private void resetProgress() { switch (mProgressType) { case COUNT: progress = 0; break; case COUNT_BACK: progress = 100; break; } } public ProgressType getProgressType() { return mProgressType; } public void setCountdownProgressListener(int what, OnCountdownProgressListener mCountdownProgressListener) { this.listenerWhat = what; this.mCountdownProgressListener = mCountdownProgressListener; } public void start() { stop(); post(progressChangeTask); } public void reStart() { resetProgress(); start(); } public void stop() { removeCallbacks(progressChangeTask); } @Override protected void onDraw(Canvas canvas) { //获取view的边界 getDrawingRect(bounds); int size = bounds.height() > bounds.width() ? bounds.width() : bounds.height(); float outerRadius = size / 2; //画内部背景 int circleColor = inCircleColors.getColorForState(getDrawableState(), 0); mPaint.setStyle(Paint.Style.FILL); mPaint.setColor(circleColor); canvas.drawCircle(bounds.centerX(), bounds.centerY(), outerRadius - outLineWidth, mPaint); //画边框圆 mPaint.setStyle(Paint.Style.STROKE); mPaint.setStrokeWidth(outLineWidth); mPaint.setColor(outLineColor); canvas.drawCircle(bounds.centerX(), bounds.centerY(), outerRadius - outLineWidth / 2, mPaint); //画字 Paint paint = getPaint(); paint.setColor(getCurrentTextColor()); paint.setAntiAlias(true); paint.setTextAlign(Paint.Align.CENTER); float textY = bounds.centerY() - (paint.descent() + paint.ascent()) / 2; canvas.drawText(getText().toString(), bounds.centerX(), textY, paint); //画进度条 mPaint.setColor(progressLineColor); mPaint.setStyle(Paint.Style.STROKE); mPaint.setStrokeWidth(progressLineWidth); mPaint.setStrokeCap(Paint.Cap.ROUND); int deleteWidth = progressLineWidth + outLineWidth; mArcRect.set(bounds.left + deleteWidth / 2, bounds.top + deleteWidth / 2, bounds.right - deleteWidth / 2, bounds.bottom - deleteWidth / 2); canvas.drawArc(mArcRect, 0, 360 * progress / 100, false, mPaint); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { super.onMeasure(widthMeasureSpec, heightMeasureSpec); int lineWidth = 4 * (outLineWidth + progressLineWidth); int width = getMeasuredWidth(); int height = getMeasuredHeight(); int size = (width > height ? width : height) + lineWidth; setMeasuredDimension(size, size); } @Override protected void drawableStateChanged() { super.drawableStateChanged(); validateCircleColor(); } private Runnable progressChangeTask = new Runnable() { @Override public void run() { removeCallbacks(this); switch (mProgressType) { case COUNT: progress += 1; break; case COUNT_BACK: progress -= 1; break; } if (progress >= 0 && progress <= 100) { if (mCountdownProgressListener != null) mCountdownProgressListener.onProgress(listenerWhat, progress); invalidate(); postDelayed(progressChangeTask, timeMillis / 100); } else progress = validateProgress(progress); } }; public enum ProgressType { /** * 顺数进度条,从0-100; */ COUNT, /** * 倒数进度条,从100-0; */ COUNT_BACK; } public interface OnCountdownProgressListener { void onProgress(int what, int progress); } }
activity_splash.xml
<?xml version="1.0" encoding="utf-8"?>
SplashActivity.java
package com.zhoujian.mykeep.activity; import android.content.Intent; import android.graphics.Color; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.View; import com.zhoujian.mykeep.R; import com.zhoujian.mykeep.view.CircleProgressbar; public class SplashActivity extends AppCompatActivity { private static final String TAG ="SplashActivity"; private CircleProgressbar mCircleProgressbar; private boolean isClick = false; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_splash); mCircleProgressbar = (CircleProgressbar) findViewById(R.id.tv_red_skip); mCircleProgressbar.setOutLineColor(Color.TRANSPARENT); mCircleProgressbar.setInCircleColor(Color.parseColor("#505559")); mCircleProgressbar.setProgressColor(Color.parseColor("#1BB079")); mCircleProgressbar.setProgressLineWidth(5); mCircleProgressbar.setProgressType(CircleProgressbar.ProgressType.COUNT); mCircleProgressbar.setTimeMillis(5000); mCircleProgressbar.reStart(); mCircleProgressbar.setCountdownProgressListener(1,progressListener); mCircleProgressbar.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { isClick = true; Intent intent = new Intent(SplashActivity.this,MainActivity.class); startActivity(intent); finish(); } }); } private CircleProgressbar.OnCountdownProgressListener progressListener = new CircleProgressbar.OnCountdownProgressListener() { @Override public void onProgress(int what, int progress) { if(what==1 && progress==100 && !isClick) { Intent intent = new Intent(SplashActivity.this,MainActivity.class); startActivity(intent); finish(); Log.e(TAG, "onProgress: =="+progress ); } } }; }
显示效果:
源码下载:MyKeep
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