onActivityResult
来源:互联网 发布:ppt图表数据不能修改 编辑:程序博客网 时间:2024/05/21 10:27
转自文章http://wang-peng1.iteye.com/blog/632833
多个activity之间的传值 其实就是onActivityResult,然后别忘了还有一个action的问题 就是在主xml中添加自己的action以便于识别,最后次activity别忘了finansh。
- public class Wizard extends Activity {
- private TextView step1result, step2result, step3result;
- public static final String INTENT_STEP1 = "com.novoda.STEP1";
- public static final String INTENT_STEP2 = "com.novoda.STEP2";
- public static final String INTENT_STEP3 = "com.novoda.STEP3";
- private static final int STEP1 = 1;
- private static final int STEP2 = 2;
- private static final int STEP3 = 3;
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.wizard);
- this.step1result = (TextView)findViewById(R.id.step1result);
- this.step2result = (TextView)findViewById(R.id.step2result);
- this.step3result = (TextView)findViewById(R.id.step3result);
- startActivityForResult(new Intent(Wizard.INTENT_STEP1), STEP1);
- }
- protected void onActivityResult(int requestCode, int resultCode, Intent data) {
- switch (requestCode) {
- case STEP1:
- this.step1result.setText(data.getStringExtra("STEP1RESULT"));
- startActivityForResult(new Intent(Wizard.INTENT_STEP2), STEP2);
- break;
- case STEP2:
- this.step2result.setText(data.getStringExtra("STEP2RESULT"));
- startActivityForResult(new Intent(Wizard.INTENT_STEP3), STEP3);
- break;
- case STEP3:
- this.step3result.setText(data.getStringExtra("STEP3RESULT"));
- break;
- }
- }
- }
- public class Step1 extends Activity {
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.step1);
- Button nextStep = (Button)findViewById(R.id.goto2);
- nextStep.setOnClickListener(new View.OnClickListener() {
- public void onClick(View v) {
- Intent it = new Intent();
- it.putExtra("STEP1RESULT", ((EditText)findViewById(R.id.step1value)).getText()
- .toString());
- setResult(Activity.RESULT_OK, it);
- finish();
- }
- });
- }
- }
后面的step2 step3都是一样的了
然后还有主xml
- <application android:icon="@drawable/icon" android:label="@string/app_name">
- <activity android:name=".Wizard" android:label="@string/app_name">
- <intent-filter>
- <action android:name="android.intent.action.MAIN" />
- <category android:name="android.intent.category.LAUNCHER" />
- </intent-filter>
- </activity>
- <activity android:name=".Step1" android:label="Step1">
- <intent-filter>
- <action android:name="com.novoda.STEP1" />
- <category android:name="android.intent.category.DEFAULT" />
- </intent-filter>
- </activity>
- <activity android:name=".Step2" android:label="Step2">
- <intent-filter>
- <action android:name="com.novoda.STEP2" />
- <category android:name="android.intent.category.DEFAULT" />
- </intent-filter>
- </activity>
- <activity android:name=".Step3" android:label="Step3">
- <intent-filter>
- <action android:name="com.novoda.STEP3" />
- <category android:name="android.intent.category.DEFAULT" />
- </intent-filter>
- </activity>
- </application>
- <uses-sdk android:minSdkVersion="7" />
- </manifest>
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- onActivityResult
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- onActivityResult
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