标签:android
package zhangphil.back; import android.support.v7.app.ActionBarActivity; import android.util.Log; import android.view.KeyEvent; import android.os.Bundle; public class MainActivity extends ActionBarActivity { // 打印事件的标签 private final String TAG = "Phil"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Log.d(TAG, "onCreate()"); } @Override protected void onStart() { super.onStart(); Log.d(TAG, "onStart()"); } @Override protected void onRestart() { super.onRestart(); Log.d(TAG, "onRestart()"); } @Override protected void onResume() { super.onResume(); Log.d(TAG, "onResume()"); } @Override protected void onPause() { super.onPause(); Log.d(TAG, "onPause()"); } @Override protected void onStop() { super.onStop(); Log.d(TAG, "onStop()"); } @Override protected void onDestroy() { super.onDestroy(); Log.d(TAG, "onDestroy()"); } // 捕获返回键的方法1 @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) { // 按下BACK,同时没有重复 Log.d(TAG, "onKeyDown()"); } return super.onKeyDown(keyCode, event); } // 捕获返回键的方法2 @Override public void onBackPressed() { Log.d(TAG, "onBackPressed()"); super.onBackPressed(); } }
Android按返回键(后退键)Back键事件捕获的两种方法
标签:android
原文地址:http://blog.csdn.net/zhangphil/article/details/45691205