我希望在安裝我的應用程序後首次發佈免責聲明! 對於在我的MainActivity中,我做了2個按鈕:第一個'同意'按鈕將存儲共享首選項&布爾'真'瓦爾將它重定向到你在Welcome.class!第二個按鈕將終止該應用程序! 這種情況應該在安裝應用程序後首次出現! 我無法找到我的錯誤!?!操作共享首選項時出錯?
MainActivity.java代碼:
public class MainActivity extends Activity implements OnClickListener
{public static String filename = "MySharedString";
SharedPreferences settings;
Button agree,disagree;
public static final String PREFS_NAME = "MyPrefsFile";
@Override
protected void onCreate(Bundle state)
{
super.onCreate(state);
setContentView(R.layout.activity_main);
TextView text1=(TextView)findViewById(R.id.txt1);
TextView text2 = (TextView)findViewById(R.id.txt2);
text2.setText("Android custom dialog example!");
ImageView image = (ImageView)findViewById(R.id.imageView1);
image.setImageResource(R.drawable.ic_launcher);
Button agreeButton = (Button)findViewById(R.id.button1);
Button disagreeButton = (Button)findViewById(R.id.button2);
agreeButton.setOnClickListener(this);
disagreeButton.setOnClickListener(this);
settings = getSharedPreferences(filename, 0);
}
@Override
public void onClick(View v)
{
switch (v.getId())
{
case R.id.button1:
SharedPreferences settings = getSharedPreferences(filename, 0);
boolean agreement = settings.getBoolean("agreement",false);
SharedPreferences.Editor editor = settings.edit();
editor.putBoolean("agreement", true);
editor.commit();
Intent i=new Intent(getApplicationContext(),Welcome.class);
startActivity(i);
break;
case R.id.button2:
finish();
System.exit(0);
}
}
}
activity_main.xml中的代碼:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#d3d3d3"
tools:context=".MainActivity" >
<TextView
android:id="@+id/txt1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Disclaimer"
android:gravity="center"
android:textSize="20dp"
android:layout_marginTop="5dp"/>
<TextView
android:id="@+id/txt2"
android:layout_width="fill_parent"
android:layout_height="50dp"
android:text="This is a Disclaimer."
android:textSize="10dp"
android:layout_marginTop="10dp"
android:layout_below="@+id/txt1"/>
<Button
android:id="@+id/button2"
android:layout_width="100dp"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/button1"
android:layout_alignBottom="@+id/button1"
android:layout_marginLeft="37dp"
android:layout_toRightOf="@+id/button1"
android:text="DisAgree" />
<Button
android:id="@+id/button1"
android:layout_width="100dp"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/txt2"
android:layout_marginLeft="46dp"
android:text="Agree" />
<ImageView
android:id="@+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignTop="@+id/txt1"
android:layout_marginLeft="28dp"
android:src="@drawable/ic_launcher" />
</RelativeLayout>
Welcome.java代碼:
public class Welcome extends Activity
{
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.welcome);
TextView iv = (TextView)findViewById(R.id.textView1);
}
}
的welcome.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="WELCOME !"
android:textAppearance="?android:attr/textAppearanceLarge" />
這裏是AndroidManifest.xml中的代碼:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.disclaimer1"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.disclaimer1.MainActivity"
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="com.example.disclaimer1.Welcome"></activity>
</application>
</manifest>
logcat的:
七月10日至13日:23:30.069:E/AndroidRuntime(3356):致命異常:主 -10- 13 07:23:30.069:E/AndroidRuntime(3356):android.content.ActivityNotFoundException:無法找到顯式活動類{com.example.disclaimer1/com.example.disclaimer1.Welcome};你有沒有在你的AndroidManifest.xml中聲明這個活動? 10-13 07:23:30.069:E/AndroidRuntime(3356):at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1628) 10-13 07:23:30.069:E/AndroidRuntime(3356):at android.app.Instrumentation.execStartActivity(Instrumentation.java:1424) 10-13 07:23:30.069:E/AndroidRuntime(3356):at android.app.Activity.startActivityForResult(Activity.java:3390) 10-13 07/23:30.069:E/AndroidRuntime(3356):在android.app.Activity.startActivityForResult(Activity.java:3351) 10-13 07:23:30.069:E/AndroidRuntime(3356):在android.app。 Activity.startActivity(Activity.java:3587) 10-13 07:23:30.069:E/AndroidRuntime(3356):at android.app.Activity.startActivity(Activity.java:3555) 10-13 07:23: 30.069:E/AndroidRuntime(3356):at com.example.disclaimer1.MainActivity.onClick(Main Activity.java:54) 10-13 07:23:30.069:E/AndroidRuntime(3356):at android.view.View.performClick(View.java:4240) 10-13 07:23:30.069:E/AndroidRuntime(3356):在android.view.View $ PerformClick.run(View.java:17721) 10-13 07:23:30.069:E/AndroidRuntime(3356):at android.os.Handler.handleCallback(Handler。 java:730) 10-13 07:23:30.069:E/AndroidRuntime(3356):at android.os.Handler.dispatchMessage(Handler.java:92) 10-13 07:23:30.069:E/AndroidRuntime 3356):at android.os.Looper.loop(Looper.java:137) 10-13 07:23:30.069:E/AndroidRuntime(3356):at android.app.ActivityThread.main(ActivityThread.java:5103) 10-13 07:23:30.069:E/AndroidRuntime(3356):在java.lang.reflect.Method.invokeNative(Native Method) 10-13 07:23:30.069:E/AndroidRuntime (3356):at java.lang.reflect.Method.invoke(Method.java:525) 10-13 07:23:30.069:E/AndroidRuntime(3356):at com.android.internal.os.ZygoteInit $ MethodAndArgsCaller .run(ZygoteInit.java:737) 10-13 07:23:30.069:E/AndroidRuntime(3356):at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 10-13 07 :23:30。069:E/AndroidRuntime(3356):在dalvik.system.NativeStart.main(本機方法)
所以現在最新情況如何? –
你爲什麼使用getApplicationContext()來開始活動? – Vivart
您遇到的錯誤是什麼?你說你得到錯誤,但不要說它是什麼。 – Kuffs