Android按下录音录音动画效果 ,自定义View

 Android按下录音录音动画效果 ,自定义View

先看效果图

录音

    private void playSound() {

        mMediaRecorder = new MediaRecorder();
        mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
//        设置音频的格式
        mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
//        设置音频的编码为amr
        mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
        mMediaRecorder.setAudioSamplingRate(8000);
        mMediaRecorder.setOutputFile(mCurrentFilePath);
        try {
            mMediaRecorder.prepare();
            mMediaRecorder.start();
        } catch (IOException e) {
            e.printStackTrace();
        }
        handler.sendEmptyMessageDelayed(SOUND_WHAT, 150);
    }

    private void stopSound() {
        if (mMediaRecorder != null) {
            mMediaRecorder.stop();
            mMediaRecorder.release();
            mMediaRecorder = null;
            if (handler != null)
                handler.removeCallbacksAndMessages(null);
        }
    }

/**
 * 画背景刻度
 * @param canvas
 */
private void drawBackgroundScale(Canvas canvas){
    int p = maxColorNumber;
    float start = -90f;
    paint.setShader(null);
    for (int i = 0; i < p; i++) {
        canvas.drawArc(oval, start + singlPoint - lineWidth, lineWidth, false, paint); // 绘制间隔快
        start = (start + singlPoint);
    }
}

/**
 * 画进度刻度
 * @param canvas
 */
private void drawScale(Canvas canvas){
    canvas.save();
    int p = (int) (mProgress / 100f * maxColorNumber);
    float start = -90f;
    for (int i = 0;i
;i++){
        paint.setShader(sweepGradient);
        canvas.drawArc(oval, start + singlPoint - lineWidth, lineWidth, false, paint); // 绘制间隔快
        start = (start + singlPoint);
    }
    canvas.restore();
}

https://download.csdn.net/download/abc2522/10327428