声音大小显示演示项目

<com.tt.voicecurve.CurveView
        android:id="@+id/curve"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true" />

        mCurveView = (CurveView) this.findViewById(R.id.curve);
        mButton = (Button) this.findViewById(R.id.button1);
        mButton.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View arg0) {
                if (mIsStop) {
                    recordThread = new RecordThread(mHandler);
                    recordThread.startRecord();
                    mCurveView.clearScreen();
                    mButton.setText("停止");
                    mIsStop = false;
                } else {
                    recordThread.stopRecord();
                    mButton.setText("开始");
                    mIsStop = true;
                }
            }
        });