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7.3 Intent传值
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方式 1.传递数据 2.传递对象
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传递数据 传值: Intent intent=new Intent(); intent.putExtra("extra", "这是页面一传来的值!"); intent.setClass(Test_for_intentActivity.this, actpage2.class); startActivity(intent); 取值: Intent intent=getIntent(); String StringE=intent.getStringExtra("extra"); TextView text2=(TextView)findViewById(R.id.textView2); text2.setText(StringE);
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传递对象 传值: Bundle bundle = new Bundle(); bundle.putString("USERNAME", et_username.getText().toString()); intent.putExtras(bundle); intent.setClass(loginactive.this, informationactive.class); startActivity(intent); 取值: Bundle bundle = this.getIntent().getExtras(); String str=bundle.getString("USERNAME"); tv.setText(str);
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