摘要： publicclassAssetsDemoActivityextendsActivityimplementsOnClickListener{privateButtonread,write;@OverridepublicvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.main);read=(Button)findViewById(R.id.read);write=(Button)findViewById(R.id.write);read.setOnC 阅读全文