百度站点,四川省查询建设人员注册证书网站,网站制作网站优化,免费的黄页推广软件哪个好有时候我们需要实现一个功能。不过这个功能用我们传统的Java代码实现起来会有一些困难#xff0c;这时我们可以尝试利用Shell命令来实现。你可以按照下面的代码模块来进行你想要实现的Shell命令(注#xff1a;也不是所有的Shell命令都能用Java代码来实现)。public class Main…有时候我们需要实现一个功能。不过这个功能用我们传统的Java代码实现起来会有一些困难这时我们可以尝试利用Shell命令来实现。你可以按照下面的代码模块来进行你想要实现的Shell命令(注也不是所有的Shell命令都能用Java代码来实现)。public class MainActivity extends Activity {private final String TAG ---MainActivity---;public final String SHELL_0 busybox ps;public final String SHELL_1 su;public final String SHELL_2 cd mnt/shell/emulated/0/.ZFSafeFS;public final String SHELL_3 busybox mount .a1.img ./.abc;public final String SHELL_4 busybox umount ./.abc;public final String EXECUTE_SHELL SHELL_0;Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);Button sendButton (Button) findViewById(R.id.send_btn);Button suButton (Button) findViewById(R.id.su_button);Button cdButton (Button) findViewById(R.id.alert_path_button);Button mountButton (Button) findViewById(R.id.mount_button);Button umountButton (Button) findViewById(R.id.umount_button);suButton.setText(SHELL_1);cdButton.setText(SHELL_2);mountButton.setText(SHELL_3);umountButton.setText(SHELL_4);sendButton.setOnClickListener(viewOnClickListener);suButton.setOnClickListener(viewOnClickListener);cdButton.setOnClickListener(viewOnClickListener);mountButton.setOnClickListener(viewOnClickListener);umountButton.setOnClickListener(viewOnClickListener);handleShell(EXECUTE_SHELL);}private void handleShell(String shell) {TextView textView (TextView) findViewById(R.id.textview);Process p null;try {p Runtime.getRuntime().exec(shell);if (p null) {textView.setText(p null);} else {BufferedReader bufferedReader new BufferedReader(new InputStreamReader(p.getInputStream()));int read 0;char[] buffer new char[4096];StringBuffer output new StringBuffer();Log.i(TAG, read read);Log.i(TAG, output output);while((read bufferedReader.read(buffer)) 0) {output.append(buffer, 0, read);}bufferedReader.close();String string String.copyValueOf(buffer);Log.i(TAG, string string);textView.setText(result:\n string);}} catch (IOException e) {textView.setText(e e);e.printStackTrace();}}private OnClickListener viewOnClickListener new OnClickListener() {Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.su_button:handleShell(SHELL_1);break;case R.id.alert_path_button:handleShell(SHELL_2);break;case R.id.mount_button:handleShell(SHELL_3);break;case R.id.umount_button:handleShell(SHELL_4);break;default:break;}}};}
