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

Android按下录音录音动画效果 ,自定义View

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