//獲取機型名稱
android.os.Build.MODEL
//獲取SDK信息
android.os.Build.VERSION.SDK
//獲取版本號
android.os.Build.VERSION.RELEASE

if (android.os.Build.MODEL.equals("meizu_m9")){
  System.out.println("我是M9手機");
}

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.check);
/**得到這個按鈕對象**/
button = (Button)findViewById(R.id.button0);
/**監(jiān)聽這個按鈕**/
button.setOnClickListener(new OnClickListener() {
  @Override
  public void onClick(View view) {
  /**輸出一段Log信息**/
  Log.i("Mytest", "this is a test");
  /**開啟線程用于監(jiān)聽log輸出的信息**/
  new Thread(CheckActivity.this).start();
  }
});
}

@Override
public void run() {
Process mLogcatProc = null;
BufferedReader reader = null;
try {
  //獲取logcat日志信息
  mLogcatProc = Runtime.getRuntime().exec(new String[] { "logcat","Mytest:I *:S" });
  reader = new BufferedReader(new InputStreamReader(mLogcatProc.getInputStream()));
  String line;
  while ((line = reader.readLine()) != null) {
    if (line.indexOf("this is a test") > 0) {
      //logcat打印信息在這里可以監(jiān)聽到
      // 使用looper 把給界面一個顯示
      Looper.prepare();
      Toast.makeText(this, "監(jiān)聽到log信息", Toast.LENGTH_SHORT).show();
      Looper.loop();
    }
  }
} catch (Exception e) {
  e.printStackTrace();
}
}

<uses-permission android:name="android.permission.READ_LOGS" />