JetXing’s gists

JetXing / saveMultiparFileToLocal.java

Last active July 31, 2017 08:33

MultipartFile save webapp/img，保存图片到本地


	private byte[] readInputStream(InputStream inputStream) throws IOException {
	ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
	byte[] buffer = new byte[1024];
	int len = 0;
	while ((len = inputStream.read(buffer)) != -1) {
	outputStream.write(buffer, 0 ,len);
	}
	inputStream.close();
	return outputStream.toByteArray();

JetXing / FinalVariateChangeByReflection.java

Last active December 7, 2015 02:24

Android 和 Java的java.lang.reflect.Field的API不一致，该方法适用于Android，通过反射方法更改final static 变量,http://stackoverflow.com/网站找到的，自己修改了一下，储存起来

	public class FinalVariateChangeByReflection {

	public static final String HOST_NAME;

	public static final String HOST_NAME_CHANGE = "http://www.apple.com";

	static {
	HOST_NAME = "http://www.google.com";
	}

JetXing / FinalVariateChangeByReflection.java

Last active December 7, 2015 02:24

Android 和 Java的java.lang.reflect.Field的API不一致，该方法适用于Java，通过反射方法更改final static 变量,http://stackoverflow.com/网站找到的，自己修改了一下，储存起来

	public class FinalVariateChangeByReflection {

	public static final String HOST_NAME;

	public static final String HOST_NAME_CHANGE = "http://www.apple.com";

	private static final String MODIFY_PERMISSION_FIELD = "modifiers";

	static {
	HOST_NAME = "http://www.google.com";

JetXing / ImageUtils

Created September 24, 2015 00:58

加载大图，压缩图片，旋转图片

	public final static String PICTRUE_SAVE_PATH = Environment.getExternalStorageDirectory() + "/jet/.photo/";


	public static String compressImage(String url) {
	String path = PICTRUE_SAVE_PATH + String.valueOf(UUID.randomUUID()) + ".jpg";
	try {

	BitmapFactory.Options newOpts = new BitmapFactory.Options();
	newOpts.inJustDecodeBounds = true;
	Bitmap image = BitmapFactory.decodeFile(url, newOpts);//此时返回bm为空

JetXing / AudioEncodingBitRate.java

Created September 10, 2015 01:29

AudioEncodingBitRate

	MediaRecorder recorder = new MediaRecorder();
	recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
	if (Build.VERSION.SDK_INT >= 10) {
	recorder.setAudioSamplingRate(44100);
	recorder.setAudioEncodingBitRate(96000);
	recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
	recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
	} else {
	// older version of Android, use crappy sounding voice codec
	recorder.setAudioSamplingRate(8000);

JetXing / BackListenerFragment

Created July 2, 2015 03:06

Fragment 处理 back键返回（handle keycode_back in Fragment）

	getSupportFragmentManager().beginTransaction().replace(R.id.container, new BackListenerFragment()).addToBackStack("callback").commit();

	//inside BackListenerFragment
	@Override
	public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
	super.onViewCreated(view, savedInstanceState);
	view.setOnKeyListener(new View.OnKeyListener() {
	@Override
	public boolean onKey(View v, int keyCode, KeyEvent event) {
	if (keyCode == KeyEvent.KEYCODE_BACK) {

JetXing / IDCard.java

Last active December 3, 2020 14:28

java, 身份证号的正则表达式， regular expression for ID card

	package com.gitcafe.android.base.fragment;

	import android.util.Log;

	import java.text.ParseException;
	import java.text.SimpleDateFormat;
	import java.util.Calendar;
	import java.util.GregorianCalendar;
	import java.util.Hashtable;
	import java.util.regex.Matcher;

JetXing / ImmersiveMode

Created April 16, 2015 07:49

Immersive Mode（沉浸式），设置view的padding

	protected final void initStatusBar(int resId) {
	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
	SystemBarTintManager tintManager = new SystemBarTintManager(this);
	tintManager.setStatusBarTintEnabled(true);
	tintManager.setTintResource(R.color.your_color);
	SystemBarTintManager.SystemBarConfig config = tintManager.getConfig();
	findViewById(resId).setPadding(0, config.getPixelInsetTop(true), 0, config.getPixelInsetBottom());
	}
	}

JetXing / ActionBarHeight

Created April 15, 2015 06:28

get the height of actionBar

	private int getActionBarHeight() {
	int actionBarHeight = getSupportActionBar().getHeight();
	if (actionBarHeight != 0) {
	return actionBarHeight;
	}

	final TypedValue typedValue = new TypedValue();
	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
	if (getTheme().resolveAttribute(android.R.attr.actionBarSize, typedValue, true)) {
	actionBarHeight = TypedValue.complexToDimensionPixelSize(

JetXing / ProgressBarWebView

Created April 14, 2015 03:48

add ProgressBar for WebView

	this.getWindow().requestFeature(Window.FEATURE_PROGRESS);
	setContentView(R.layout.main );
	final Activity MyActivity = this;
	// Makes Progress bar Visible
	getWindow().setFeatureInt( Window.FEATURE_PROGRESS, Window.PROGRESS_VISIBILITY_ON);

	webview = (WebView) findViewById(R.id.webview);
	webview.setWebChromeClient(new WebChromeClient() {
	public void onProgressChanged(WebView view, int progress)
	{

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