android 按钮置灰效果
16lz
2022-04-17
通过设置可点击 和颜色实现
package com.yqy.yqy_button;import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class MainActivity extends Activity {Button btn1,btn2;boolean flag = false;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);btn1 = (Button) findViewById(R.id.button1);btn1.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View arg0) {Log.e("YQY", "---");}});btn2 = (Button) findViewById(R.id.button2);btn2.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View arg0) {if(flag){flag = false;btn1.setTextColor(0xFFFFFFFF);btn1.setEnabled(true);}else{flag = true; btn1.setTextColor(0xFFD0EFC6);btn1.setEnabled(false);}}});}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}} xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".MainActivity" > <Button android:id="@+id/button2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_alignParentTop="true" android:text="Button" /> <Button android:id="@+id/button1" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_alignParentLeft="true" android:background="@drawable/btn_register_bg" android:enabled="false" android:paddingBottom="7dp" android:paddingTop="7dp" android:text="登录" android:textColor="@android:color/white" android:textSize="18sp" /></RelativeLayout>
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