@Override public void onBackPressed() { Dialog dialog = new AlertDialog.Builder(this) .setTitle("信息提示") .setMessage("确定要退出系统吗?") .setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { finish(); } }) .setNeutralButton("取消", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { return; } }) .create(); dialog.show(); }
Android重写返回键处理事件
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转载自guoqiantong.iteye.com/blog/1817004
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