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小数与百分数互相转换

1.下载科大讯飞语音引擎安装到手机上，在设置->语言->高级->文字转语音 把首选引擎由Pico TTS改为科大讯飞语音引擎2.代码中使用private TextToSpeech textToSpeech;textToSpeech = new TextToSpeech(this, status -> { if (status == textToSpeech.SUCCESS) { int result = ..

private final class TouchListener implements View.OnTouchListener { /** * 记录是拖拉照片模式还是放大缩小照片模式 */ private int mode = 0;// 初始状态 /** * 拖拉照片模式 */ private static final int MODE_DRAG = 1; .

contents = "内容显示多种颜色";SpannableStringBuilder style = new SpannableStringBuilder(contents);//前面两个字为橙色style.setSpan(new ForegroundColorSpan(context.getResources().getColor(R.color.organge)), 0, 2,Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);//后面字为红色style.setSp.

public class DecimalDigitsUtil implements InputFilter { private int decimalDigits = 0; public DecimalDigitsUtil(int decimalDigits) { this.decimalDigits = decimalDigits; } @Override public CharSequence filter(CharSequence sour.

Handler handler = new Handler();private Runnable delayRun = this::getReadyOrderList;//延迟线程，看是否还有下一个字符输入 sam 2021-6-16

public static Double add(Double value1, Double value2) { BigDecimal b1 = new BigDecimal(Double.toString(value1)); BigDecimal b2 = new BigDecimal(Double.toString(value2)); return b1.add(b2).doubleValue();}

第一步：添加EventBus引用implementation 'org.greenrobot:eventbus:3.0.0'第二步：在BaseActivity中@Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (isRegisterEventBus()) { Eve

1、引用第三方jar包：gson-2.7.jar链接: https://pan.baidu.com/s/1TUeeA_ieLwF9r_Uw8ET3_w 提取码: 5g9w2、工具类package base.utils;import com.alibaba.fastjson.JSONArray;import com.alibaba.fastjson.JSONException;import com.alibaba.fastjson.JSONObject;import java.s.