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  • (3)Dialog && picker

    public void showDiag1(View v){
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder.setTitle("登录");
            builder.setMessage("请确认你是否要登录?");
            builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    Toast.makeText(MainActivity.this,"you choose 确定",Toast.LENGTH_SHORT).show();
                }
            });
    
            builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    Toast.makeText(MainActivity.this,"you choose 取消",Toast.LENGTH_SHORT).show();
                }
            });
            builder.show();
        }
    
     public void showDiag2(View v){
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder.setTitle("登录");
            final String[] strings = {"1","2","3","4"};
            final boolean[] chooses = {false,false,false,false};
            builder.setMultiChoiceItems(strings, chooses, new DialogInterface.OnMultiChoiceClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which, boolean isChecked) {
    
                }
            });
    
            builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    String context = "";
                    for(int i=0;i<chooses.length;i++){
                        if(chooses[i]) {
                            context += strings[i];
                        }
                    }
                    Toast.makeText(MainActivity.this,"you choose:"+context,Toast.LENGTH_SHORT).show();
    
                }
            });
    
            builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    Toast.makeText(MainActivity.this,"you choose 取消",Toast.LENGTH_SHORT).show();
                }
            });
            builder.show();
    
        }
    }
    
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  • 原文地址:https://www.cnblogs.com/lyszyl/p/10649926.html
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