这是ActivityDemo.Activity public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Log.e(TAG, "start onCreate~~~");
context = getApplicationContext();
Button btn = (Button)findViewById(R.id.btn2);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
startActivity(new Intent(context,ActivityDemo2.class));
}
});
} @Override
protected void onStart() {
super.onStart();
Log.e(TAG, "start onStart~~~");
} @Override
protected void onRestart() {
super.onRestart();
Log.e(TAG, "start onRestart~~~");
} @Override
protected void onResume() {
super.onResume();
Log.e(TAG, "start onResume~~~");
} @Override
protected void onPause() {
super.onPause();
Log.e(TAG, "start onPause~~~");
} @Override
protected void onStop() {
super.onStop();
Log.e(TAG, "start onStop~~~");
} @Override
protected void onDestroy() {
super.onDestroy();
Log.e(TAG, "start onDestroy~~~");
}
这是ActivityDemo2.activity
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main2);
context = getApplicationContext();
Log.e(TAG, "start onCreate~~~");
Button btn = (Button)findViewById(R.id.btn);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
startActivity(new Intent(context,ActivityDemo.class));
}
});
} @Override
protected void onStart() {
super.onStart();
Log.e(TAG, "start onStart~~~");
} @Override
protected void onRestart() {
super.onRestart();
Log.e(TAG, "start onRestart~~~");
} @Override
protected void onResume() {
super.onResume();
Log.e(TAG, "start onResume~~~");
} @Override
protected void onPause() {
super.onPause();
Log.e(TAG, "start onPause~~~");
} @Override
protected void onStop() {
super.onStop();
Log.e(TAG, "start onStop~~~");
} @Override
public void onDestroy() {
super.onDestroy();
Log.e(TAG, "start onDestroy~~~");
}
相互之间跳转怎么会执行onDestroy();
这是打印的信息,求解释啊?
09-13 17:09:58.882: E/ActivityDemo2(2074): start onPause~~~
09-13 17:09:58.937: E/ActivityDemo(2074): start onCreate~~~
09-13 17:09:58.937: E/ActivityDemo(2074): start onStart~~~
09-13 17:09:58.945: E/ActivityDemo(2074): start onResume~~~
09-13 17:09:59.390: E/ActivityDemo2(2074): start onStop~~~
09-13 17:09:59.406: E/ActivityDemo2(2074): start onDestroy~~~
09-13 17:10:00.437: E/ActivityDemo(2074): start onPause~~~
09-13 17:10:00.500: E/ActivityDemo2(2074): start onCreate~~~
09-13 17:10:00.500: E/ActivityDemo2(2074): start onStart~~~
09-13 17:10:00.500: E/ActivityDemo2(2074): start onResume~~~
09-13 17:10:00.515: D/dalvikvm(2074): GC_CONCURRENT freed 404K, 11% free 7493K/8391K, paused 3ms+5ms, total 27ms
09-13 17:10:00.929: E/ActivityDemo(2074): start onStop~~~
09-13 17:10:00.945: E/ActivityDemo(2074): start onDestroy~~~android activity onDestroy
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Log.e(TAG, "start onCreate~~~");
context = getApplicationContext();
Button btn = (Button)findViewById(R.id.btn2);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
startActivity(new Intent(context,ActivityDemo2.class));
}
});
} @Override
protected void onStart() {
super.onStart();
Log.e(TAG, "start onStart~~~");
} @Override
protected void onRestart() {
super.onRestart();
Log.e(TAG, "start onRestart~~~");
} @Override
protected void onResume() {
super.onResume();
Log.e(TAG, "start onResume~~~");
} @Override
protected void onPause() {
super.onPause();
Log.e(TAG, "start onPause~~~");
} @Override
protected void onStop() {
super.onStop();
Log.e(TAG, "start onStop~~~");
} @Override
protected void onDestroy() {
super.onDestroy();
Log.e(TAG, "start onDestroy~~~");
}
这是ActivityDemo2.activity
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main2);
context = getApplicationContext();
Log.e(TAG, "start onCreate~~~");
Button btn = (Button)findViewById(R.id.btn);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
startActivity(new Intent(context,ActivityDemo.class));
}
});
} @Override
protected void onStart() {
super.onStart();
Log.e(TAG, "start onStart~~~");
} @Override
protected void onRestart() {
super.onRestart();
Log.e(TAG, "start onRestart~~~");
} @Override
protected void onResume() {
super.onResume();
Log.e(TAG, "start onResume~~~");
} @Override
protected void onPause() {
super.onPause();
Log.e(TAG, "start onPause~~~");
} @Override
protected void onStop() {
super.onStop();
Log.e(TAG, "start onStop~~~");
} @Override
public void onDestroy() {
super.onDestroy();
Log.e(TAG, "start onDestroy~~~");
}
相互之间跳转怎么会执行onDestroy();
这是打印的信息,求解释啊?
09-13 17:09:58.882: E/ActivityDemo2(2074): start onPause~~~
09-13 17:09:58.937: E/ActivityDemo(2074): start onCreate~~~
09-13 17:09:58.937: E/ActivityDemo(2074): start onStart~~~
09-13 17:09:58.945: E/ActivityDemo(2074): start onResume~~~
09-13 17:09:59.390: E/ActivityDemo2(2074): start onStop~~~
09-13 17:09:59.406: E/ActivityDemo2(2074): start onDestroy~~~
09-13 17:10:00.437: E/ActivityDemo(2074): start onPause~~~
09-13 17:10:00.500: E/ActivityDemo2(2074): start onCreate~~~
09-13 17:10:00.500: E/ActivityDemo2(2074): start onStart~~~
09-13 17:10:00.500: E/ActivityDemo2(2074): start onResume~~~
09-13 17:10:00.515: D/dalvikvm(2074): GC_CONCURRENT freed 404K, 11% free 7493K/8391K, paused 3ms+5ms, total 27ms
09-13 17:10:00.929: E/ActivityDemo(2074): start onStop~~~
09-13 17:10:00.945: E/ActivityDemo(2074): start onDestroy~~~android activity onDestroy
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http://blog.csdn.net/jason_wks/article/details/9248627