一、方法一:通过Intent的putExtra(bundle)方法传递参数:
第一个MainActivity:
findViewById(R.id.startAnotherActivity).setOnClickListener(new View.OnClickListener() {
/**
* Activity之间通过Intent传递数据包
* @param view
*/
@Override
public void onClick(View view) {
Intent i = new Intent(MainActivity.this, SecondActivity.class);
Bundle bundle = new Bundle();
bundle.putString("name", "Jamie");
bundle.putInt("age", 18);
i.putExtras(bundle);
startActivity(i);
}
});
第二个SecondActivity:
// Activity获取Intent传递过来的参数
TextView textView = findViewById(R.id.secondText);
Bundle data = getIntent().getExtras();
textView.setText(String.format("name=%s, age=%d", data.getString("name"), data.getInt("age")));
显示结果为:name=Jamie, age=18
二、方法二:通过Intent的putExtra(String name, Bundle value)方法传递参数:
第一个MainActivity:
findViewById(R.id.startAnotherActivity).setOnClickListener(new View.OnClickListener() {
/**
* Activity之间通过Intent传递数据包
* @param view
*/
@Override
public void onClick(View view) {
Intent i = new Intent(MainActivity.this, SecondActivity.class);
Bundle bundle = new Bundle();
bundle.putString("name", "Jamie");
bundle.putInt("age", 18);
// i.putExtras(bundle);
i.putExtra("data", bundle);
startActivity(i);
}
});
第二个SecondActivity:
// Activity获取Intent传递过来的参数
TextView textView = findViewById(R.id.secondText);
Bundle data = getIntent().getBundleExtra("data");
textView.setText(String.format("name=%s, age=%d", data.getString("name"), data.getInt("age")));
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