使用Java代码来打开SD卡中的文件,可以使用File类和FileInputStream类来实现。首先,需要获取SD卡的路径: 代码语言:txt 复制 String sdCardPath = Environment.getExternalStorageDirectory().getAbsolutePath(); 然后,可以使用File类来创建要打开的文件对象: 代码语言:txt 复制 File file = new File(sdCardPath + "...
FileInputStream fis = new FileInputStream(url); return BitmapFactory.decodeStream(fis); ///把流转化为Bitmap图片 } catch (FileNotFoundException e) { e.printStackTrace(); return null; } } 显示效果如下: 3、获取网络上的图片 mian.xml文件和1中一样,并不需要修改! 代码: public void onCreate(...
该文件夹存放着系统中安装的第三方应用的 apk 文件,当我们调试一个app的时候,可以看到控制台输出的内容,有一项是 uploading ……就是上传我们的apk到这个文件夹,上传成功之后才开始安装。 Android 中应用的安装就是将应用的安装包原封不动地拷贝到 /data/app 目录下,每个应用安装包本质上就是一个 zip 格式的压缩...
85. "https://lh3.googleusercontent.com/-A9LMoRyuQUA/URqvCYx_JoI/AAAAAAAAAbs/s7sde1Bz9cI/s160-c/Starry%252520Night.jpg", 86. "https://lh3.googleusercontent.com/-KtLJ3k858eY/URqvC_2h_bI/AAAAAAAAAbs/zzEBImwDA_g/s160-c/Stream.jpg", 87. "https://lh5.googleusercontent.com/-dFB...
FileOutputStream outStream = new FileOutputStream(saveFile); outStream.write("abc".getBytes()); outStream.close(); 案例 main.xml布局文件 <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" ...
* @author Alex.Z * @date 2013-2-26 下午5:45:40 * @version V1.0 */ package com.tes.textsd; import java.io.DataOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.FileWriter; import java.io.FileInputStream; ...
FileOutputStream fos =new FileOutputStream(file); bitmap.compress(CompressFormat.JPEG,100, fos); fos.flush(); fos.close(); } /** * 从手机或者sd卡获取Bitmap * @param fileName * @return */ public Bitmap getBitmap(String fileName){ ...
InputStream is = this.getResources().openRawResource(R.raw.textfile); BufferedReader br = new BufferedReader(new InputStreamReader(is)); String str = null; try { while ((str = br.readLine()) != null) { Toast.makeText(getBaseContext(), ...
When playing an HLS live stream with a EXT-X-PROGRAM-DATE-TIME tag configured, then this property will contain the epoch value in msec.Platforms: Android ExoPlayer, iOScontrolsDetermines whether to show player controls.** false (default)** - Don't show player controls true - Show player ...
Fixed: Shell data not being disregarded directly if data is streamed instead of buffered. This should reduce peak memory consumption during scan for SystemCleaner, Duplicates, Biggest and Databases. Fixed: Commands failing that use remounting on Android 6.0+. Multiple mount commands were used to gu...