注意
AlertDialog.Builder dialog= new AlertDialog.Builder(MainActivity.this)
这里的参数不能写getApplicationContext();否则会报错。
public class MainActivity extends ActionBarActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
AlertDialog.Builder dialog= new AlertDialog.Builder(MainActivity.this);
dialog.setTitle("标题");
dialog.setMessage("我是内容");
dialog.setIcon(R.drawable.abc_ab_stacked_solid_dark_holo);
dialog.setPositiveButton("确认", new OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
Toast.makeText(getApplicationContext(), "确认了", 10).show();
}
});
dialog.setNegativeButton("拒绝", new OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
Toast.makeText(getApplicationContext(), "拒绝了", 10).show();
}
});
dialog.setNeutralButton("详情", new OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
Toast.makeText(getApplicationContext(), "就是这样", 10).show();
}
});
dialog.show();
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