基本信息
源码名称:android 简单的截屏 例子源码下载
源码大小:1.58M
文件格式:.zip
开发语言:Java
更新时间:2014-09-14
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源码介绍
package com.zhl.cutscreen; import java.io.BufferedOutputStream; import java.io.DataInput; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import android.os.Bundle; import android.os.Environment; import android.R.xml; import android.app.Activity; import android.app.ProgressDialog; import android.content.Context; import android.graphics.Bitmap; import android.graphics.PixelFormat; import android.util.DisplayMetrics; import android.util.Log; import android.view.Display; import android.view.LayoutInflater; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.view.WindowManager; import android.widget.Button; import android.widget.Toast; public class MainActivity extends Activity { private static final String TAG = "MainActivity"; private Button mButton; View rootView; private View view; private Bitmap bitmap; private OnClickListener mClickListener = new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub switch (v.getId()) { case R.id.button1: view.buildDrawingCache(); // bitmap = view.getDrawingCache(); // saveUseFrameBuffer(); // savePic(); getRoot(); break; default: break; } } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); rootView = LayoutInflater.from(this).inflate(R.layout.main, null); setContentView(rootView); try { Runtime.getRuntime().exec("su"); } catch (IOException e) { // e.printStackTrace(); } initValue(); } private void initValue() { mButton = (Button) findViewById(R.id.button1); view = rootView.getRootView(); view.setDrawingCacheEnabled(true); mButton.setOnClickListener(mClickListener); } private void getRoot() { String fileName = Environment.getExternalStorageDirectory().toString() "/picc/ppic" (i ) ".jpg"; String string = "/system/bin/screencap -p " fileName "\n\n"; try { // ProgressDialog progressDialog = ProgressDialog.show(this, "ROOT", "正在获取ROOT权限",true,false); // progressDialog.show(); Runtime.getRuntime().exec(string); } catch (IOException e) { Toast.makeText(this, "获取ROOT权限出错", Toast.LENGTH_SHORT).show(); e.printStackTrace(); } } public boolean RootCmd(String cmd){ Process process = null; DataOutputStream os = null; try{ process = Runtime.getRuntime().exec("su"); os = new DataOutputStream(process.getOutputStream()); os.writeBytes(cmd "\n"); os.writeBytes("exit\n"); os.flush(); process.waitFor(); } catch (Exception e) { return false; } finally { try { if (os != null) { os.close(); } process.destroy(); } catch (Exception e) { } } return true; } public static InputStream getInputStreamaa(File file) { FileInputStream fis = null; try { fis = new FileInputStream(file); } catch (FileNotFoundException e) { // e.printStackTrace(); } return fis; } private void saveUseFrameBuffer() { DisplayMetrics metrics = new DisplayMetrics(); WindowManager vm = (WindowManager)getSystemService(Context.WINDOW_SERVICE); Display display = vm.getDefaultDisplay(); display.getMetrics(metrics); int height = metrics.heightPixels; int with = metrics.widthPixels; int picelformat = display.getPixelFormat(); PixelFormat localFormat = new PixelFormat(); PixelFormat.getPixelFormatInfo(picelformat, localFormat); int deepth = localFormat.bytesPerPixel; int[] data = new int[height*with*deepth/2]; InputStream stream = getInputStreamaa(new File("/dev/graphics/fb0")); DataInputStream dStream = new DataInputStream(stream); DataInput frameBuffer = new DataInputStream(dStream); convertToRGB565(frameBuffer, data); bitmap = Bitmap.createBitmap(data, with, height, Bitmap.Config.RGB_565); } public static void convertToRGB565(DataInput framebuffer,int[] into) { for (int i = 0; i < into.length; i ) { try { into[i] = framebuffer.readShort(); } catch (IOException e) { // e.printStackTrace(); } } } static int i = 1; private void savePic() { String fileName = Environment.getExternalStorageDirectory().toString() "/picc/zpic" (i ) ".jpg"; File file = new File(fileName); if (!file.getParentFile().exists()) { file.getParentFile().mkdirs(); } try { BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file)); bitmap.compress(Bitmap.CompressFormat.JPEG, 80, bos); bos.flush(); bos.close(); Log.d(TAG, "成功,保存在:" fileName); } catch (Exception e) { // e.printStackTrace(); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } }