// popuWindow
private void chooseType() {
View v = mInflater.inflate(R.layout.view_cash_type_pop, null);
final PopupWindow popupWindow = new PopupWindow(v, DpUtil.dp2px(60), ViewGroup.LayoutParams.WRAP_CONTENT, true);
popupWindow.setOutsideTouchable(true);
popupWindow.setBackgroundDrawable(ContextCompat.getDrawable(mContext, R.drawable.bg_pop_cash));
TextView btn1 = v.findViewById(R.id.btn_1);
TextView btn2 = v.findViewById(R.id.btn_2);
if (mKey == Constants.CASH_ACCOUNT_ALI) {
btn1.setTag(mSparseIntArray.keyAt(1));
btn1.setText(mSparseIntArray.valueAt(1));
btn2.setTag(mSparseIntArray.keyAt(2));
btn2.setText(mSparseIntArray.valueAt(2));
} else if (mKey == Constants.CASH_ACCOUNT_WX) {
btn1.setTag(mSparseIntArray.keyAt(0));
btn1.setText(mSparseIntArray.valueAt(0));
btn2.setTag(mSparseIntArray.keyAt(2));
btn2.setText(mSparseIntArray.valueAt(2));
} else {
btn1.setTag(mSparseIntArray.keyAt(0));
btn1.setText(mSparseIntArray.valueAt(0));
btn2.setTag(mSparseIntArray.keyAt(1));
btn2.setText(mSparseIntArray.valueAt(1));
}
View.OnClickListener onClickListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
popupWindow.dismiss();
Object tag = v.getTag();
if (tag != null) {
int key = (int) tag;
mBtnChooseType.setText(mSparseIntArray.get(key));
mKey = key;
switch (key) {
case Constants.CASH_ACCOUNT_ALI:
if (mGroup1.getVisibility() != View.VISIBLE) {
mGroup1.setVisibility(View.VISIBLE);
}
if (mGroup2.getVisibility() == View.VISIBLE) {
mGroup2.setVisibility(View.GONE);
}
if (mGroup3.getVisibility() == View.VISIBLE) {
mGroup3.setVisibility(View.GONE);
}
break;
case Constants.CASH_ACCOUNT_WX:
if (mGroup1.getVisibility() == View.VISIBLE) {
mGroup1.setVisibility(View.GONE);
}
if (mGroup2.getVisibility() != View.VISIBLE) {
mGroup2.setVisibility(View.VISIBLE);
}
if (mGroup3.getVisibility() == View.VISIBLE) {
mGroup3.setVisibility(View.GONE);
}
break;
case Constants.CASH_ACCOUNT_BANK:
if (mGroup1.getVisibility() == View.VISIBLE) {
mGroup1.setVisibility(View.GONE);
}
if (mGroup2.getVisibility() == View.VISIBLE) {
mGroup2.setVisibility(View.GONE);
}
if (mGroup3.getVisibility() != View.VISIBLE) {
mGroup3.setVisibility(View.VISIBLE);
}
break;
}
}
}
};
btn1.setOnClickListener(onClickListener);
btn2.setOnClickListener(onClickListener);
popupWindow.showAsDropDown(mBtnChooseType);
}// popupWindow 点击返回键 back 没有反应（popuwindow）
popupwindow设置一个参数：参考文章
popupWindow.setBackgroundDrawable(new BitmapDrawable());// 动态设置 TextView drawable
public static void setTop(Context context, TextView textView, int resourceId) {
Drawable drawable = ContextCompat.getDrawable(context, resourceId);
drawable.setBounds(new Rect(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight()));
textView.setCompoundDrawables(null, drawable, null, null);
}// Android Home 按键，拦截Home按键，模拟Home按键
参考：Android——实现Home键功能_程序员大佬超的博客-CSDN博客
Intent intent= new Intent(Intent.ACTION_MAIN);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.addCategory(Intent.CATEGORY_HOME);
startActivity(intent);Activity.super.moveTaskToBack(true);// 竖向滑动的viewpager
// Android 获取设备唯一值，设备号
参考：android 获取设备唯一值_xieyaofeng的博客-CSDN博客_android 唯一值
/***
* 获取CPUid
* @return
*/
public static String getCpuInfo() {
String cpuInfo = "";
try {
File file = new File("/proc/cpuinfo");
FileReader reader = new FileReader(file);
char[] bb = new char[1024];
int n;
while ((n = reader.read(bb)) != -1) {
cpuInfo += new String(bb, 0, n);
}
reader.close();
} catch (Exception e) {
e.printStackTrace();
}
if (!TextUtils.isEmpty(cpuInfo) || cpuInfo.length() > 2) {
cpuInfo = cpuInfo.substring(cpuInfo.lastIndexOf(":") + 1, cpuInfo.length()).trim();
}
return cpuInfo;
}/***
* 获取设备的序列号
* @return
*/
private static String getSerialNumber() {
String serial = null;
try {
Class<?> c = Class.forName("android.os.SystemProperties");
Method get = c.getMethod("get", String.class);
serial = (String) get.invoke(c, "ro.serialno");
} catch (Exception e) {
e.printStackTrace();
}
return serial;
}// 本地存储 icon 取出来 设置到view上
// 本地存储 icon
// 本地存储 取出来 int resID = getResources().getIdentifier(icon, "mipmap",getActivity().getPackageName());
// 本地存储 设置到view上 pic.setImageDrawable(getResources().getDrawable(resID));// 字符串转list
JsonUtil.zip
/**
* 解析json数组为ArrayList
*
* @param json 要解析的json
* @param clazz 解析类
* @return ArrayList
*/
public static <T> ArrayList<T> parseToArrayList(String json, Class<T> clazz) {
Type type = new TypeToken<ArrayList<JsonObject>>() {
}.getType();
ArrayList<JsonObject> jsonObjects = new Gson().fromJson(json, type);
ArrayList<T> arrayList = new ArrayList<>();
for (JsonObject jsonObject : jsonObjects) {
arrayList.add(new Gson().fromJson(jsonObject, clazz));
}
return arrayList;
}// 列表list去重
public static List<HistoryBean> removeDuplicate(List<HistoryBean> li2) {
for (int i = 0; i < li2.size(); i++) { //外循环是循环的次数
for (int j = li2.size() - 1; j > i; j--) { //内循环是 外循环一次比较的次数
if (li2.get(i).getWord().equals(li2.get(j).getWord())) {
li2.remove(j);
}
}
}
return li2;
}// 查看 sqlite 数据库表中内容方法
参考：Android Studio查看SQLite数据库方法大全
使用 Stetho
// Stetho是一个可以在线调试数据库的方法，这种方法是最方便和简单
implementation 'com.facebook.stetho:stetho:1.5.1'
Stetho.initializeWithDefaults(this);
如果打开空白页，在hosts中加入代码。关闭浏览器，然后重试
61.91.161.217 chrome-devtools-frontend.appspot.com
61.91.161.217 chrometophone.appspot.com
// 修改手机设置导航栏和状态栏的颜色的。
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void setSystemBar(@ColorRes int statusBar) {
if (statusBar == 0) {
StatusBarUtil.setDarkMode(this);
StatusBarUtil.setColor(this, getResources().getColor(R.color.colorPrimary), 0);
setLightStatusBar(getWindow(),false);
} else if (statusBar == R.color.transparent) {
StatusBarUtil.setDarkMode(this);
StatusBarUtil.setColor(this, getResources().getColor(statusBar), 0);
setLightStatusBar(getWindow(),false);
} else {
StatusBarUtil.setLightMode(this);
StatusBarUtil.setColor(this, getResources().getColor(statusBar), 0);
setLightStatusBar(getWindow(),true);
}
if (ActivityCollector.getCurrentActivity() instanceof ChatActivity) {
getWindow().setNavigationBarColor(getResources().getColor(R.color.white));
} else if (ActivityCollector.getCurrentActivity() instanceof MainActivity) {
getWindow().setNavigationBarColor(getResources().getColor(R.color.color_f8f8f8));
} else {
getWindow().setNavigationBarColor(getResources().getColor(R.color.transparent));
}
setLightNavigationBar(getWindow(),true);
}
/**
* 状态栏显示
* */
public static void setLightStatusBar(Window window, boolean enable) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
final View decorView = window.getDecorView();
int flags = decorView.getSystemUiVisibility();
if (enable) {
if ((flags & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR) == 0) {
flags |= View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
decorView.setSystemUiVisibility(flags);
}
} else {
if ((flags & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR) != 0) {
flags &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
decorView.setSystemUiVisibility(flags);
}
}
}
}
/**
* 导航栏显示
* */
public static void setLightNavigationBar(Window window, boolean enable) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
final View decorView = window.getDecorView();
int flags = decorView.getSystemUiVisibility();
if (enable) {
flags |= View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
} else {
flags &= ~View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
}
decorView.setSystemUiVisibility(flags);
}
}// java 批量重命名文件名
import java.io.File;
import java.io.*;
public class ReFilesName {
public static void main(String[] args) {
// String filePath = "D:\\WorkSpace\\CampusMeal\\app\\src\\main\\res\\mipmap-xhdpi2"; // set path
String filePath = ".\\"; // current path
File[] fileList = ReFilesName.getCurFilesList(filePath);
// File[] fileList = ReFilesName.getProperty("user.dir");
for (File file : fileList) {
File nf = new File("icon_"+file.getName()); // rename file name
file.renameTo(nf); // rename file name
System.out.println(nf.getName());
}
}
public static File[] getCurFilesList(String filePath) {
File path = new File(filePath);
File[] listFiles = path.listFiles(new java.io.FileFilter() {
@Override
public boolean accept(File pathname) {
if (pathname.isFile())
return true;
else
return false;
}
});
return listFiles;
}
}// github 访问慢，无法访问
#github
140.82.113.4 github.com
199.232.5.194 github.global.ssl.fastly.net// 生成apk自定义名称，打包自定义apk名称
参考：(1条消息) android studio 打包自动生成版本号与日期，apk输入路径_Swer-CSDN博客
// build.gradle app
// 适用于 classpath 'com.android.tools.build:gradle:4.0.0'
android {
applicationVariants.all {
variant ->
variant.outputs.all {
//只处理生产版本
if (buildType.name == 'release') {
def createTime = new Date().format("YYYY-MM-dd-hh-mm-ss", TimeZone.getTimeZone("GMT+08:00"))
def createTime = new Date().format("YYYY-MM-dd-hhmmss", TimeZone.getTimeZone("GMT+08:00"))
// app包名称
it.outputFileName = "xxxxxxx" + "-" + createTime + "-" + buildType.name + defaultConfig.versionName + ".apk"
// 指定release输出到指定文件夹
variant.getPackageApplication().outputDirectory = new File(config.appReleaseDir + "/${createTime}")
}
}
}
}