[代码] manifest.xml
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<activity Android:name=".Activity1"
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Android:label="@string/app_name">
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<intent-filter>
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<action Android:name="android.intent.action.MAIN" />
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<category Android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<activity Android:name=".Activity2" ></activity>
[代码] Activity1
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//在按键按下后,调用第二个实体,第二个实体处理完数据后再传给第一个实体
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btn3.setOnClickListener(new Button.OnClickListener() {
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public void onClick(View v) {
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final int RG_REQUEST = 0;
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Intent intent = new Intent();
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//作为接受数据端
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intent.setClass(Activity1.this, Activity2.class);
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startActivityForResult(intent, RG_REQUEST);
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/////////////////////
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}
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});
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}
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//处理接收的数据
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protected void onActivityResult(int requestCode,int resultCode,Intent data)
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{
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super.onActivityResult(requestCode, resultCode, data)
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if(resultCode==RESULT_OK)
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{
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//接收数据
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Bundle bundle =data.getExtras();
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double aplpa=bundle.getDouble("aplpa");
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String mode=bundle.getString("mode");
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String time=bundle.getString("time");
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}
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}
[代码] Activity2
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// //////////////////
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// 点击按键后,确认返回处理
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// ////////////
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btn1.setOnClickListener(new Button.OnClickListener() {
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public void onClick(View arg0) {
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// TODO Auto-generated method stub
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Bundle bundle = new Bundle();
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bundle.putInt("time", time);
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bundle.putInt("alpha", aplpa);
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bundle.putInt("mode", mode);
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Intent intent = new Intent(Activity2.this,Activity1.class);
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intent.putExtras(bundle);
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setResult(RESULT_OK, intent);
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Activity.this.finish();
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}
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});