4
操作栏上定位按钮
在仿真器工作正常，但在设备不工作任何一个可以帮助我Android操作栏，导航向上按钮不工作的设备
MainActivity
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.mainpage);
tf = Typeface.createFromAsset(getAssets(), "font/AGENCYB.TTF");
Button btnWeatherDetails = (Button) findViewById(R.id.btnWeather);
Button btnMovieDetails = (Button) findViewById(R.id.btnMovies);
Button btnHoroscopeDetails = (Button) findViewById(R.id.btnHoroscope);
btnWeatherDetails.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent i = new Intent(MainActivity.this, WeatherActivity.class);
MainActivity.this.startActivity(i);
}
});
btnMovieDetails.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
Intent i = new Intent(MainActivity.this, MovieActivity.class);
MainActivity.this.startActivity(i);
}
});
btnHoroscopeDetails.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
Intent i = new Intent(MainActivity.this, HoroscopeActivity.class);
MainActivity.this.startActivity(i);
}
});
}
@Override
protected void onDestroy() {
SharedPreferences settingsPreferences = getSharedPreferences(PREF_NAME, MODE_PRIVATE);
SharedPreferences.Editor settingsEditor= settingsPreferences.edit();
settingsEditor.putBoolean(MovieActivity.MOVIEUPDATED, false);
settingsEditor.putBoolean(HoroscopeActivity.HOROSCOPEAVAILABLE, false);
settingsEditor.commit();
super.onDestroy();
}
WeatherActivity
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.scrollmain);
getActionBar().setDisplayHomeAsUpEnabled(true);
settingsPreferences = getSharedPreferences(MainActivity.PREF_NAME, MODE_PRIVATE);
SavedString = settingsPreferences.getString(JSONWEATHERSTRING, "Not Found");
new JSONParse().execute(WeatherUrl);
}
public boolean onCreateOptionMenu(Menu menu)
{
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public boolean onOptionItemSelected(MenuItem item)
{
switch(item.getItemId()){
case android.R.id.home:
NavUtils.navigateUpFromSameTask(this);
return true;
}
return super.onOptionsItemSelected(item);
}
public void onBackPressed()
{
moveTaskToBack(true);
WeatherActivity.this.finish();
}
MovieActivity
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
settingsPreferences = getSharedPreferences(MainActivity.PREF_NAME, MODE_PRIVATE);
MovieJsonString = settingsPreferences.getString(JSONMOVIESTRING, "Not Found");
isMovieUpdated = settingsPreferences.getBoolean(MOVIEUPDATED, false);
setContentView(R.layout.main_list_view);
getActionBar().setDisplayHomeAsUpEnabled(true);
movieList = new ArrayList<HashMap<String, String>>();
list = getListView();
// Calling async task to get json
if(!isMovieUpdated)
new GetMovieDetails().execute();
else
GetMoviePreferences();
}
public boolean onCreateOptionMenu(Menu menu)
{
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public boolean onOptionItemSelected(MenuItem item)
{
switch(item.getItemId()){
case android.R.id.home:
NavUtils.navigateUpFromSameTask(this);
return true;
}
return super.onOptionsItemSelected(item);
}
public void onBackPressed()
{
moveTaskToBack(true);
MovieActivity.this.finish();
}
HoroscopeActivity
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.horoscope);
getActionBar().setDisplayHomeAsUpEnabled(true);
settingsPreferences = getSharedPreferences(MainActivity.PREF_NAME, MODE_PRIVATE);
isHoroAvailable = settingsPreferences.getBoolean(HOROSCOPEAVAILABLE,false);
if(!isHoroAvailable)
new XMLParse().execute();
else
GetHoroscopeFromPreference();
}
public boolean onCreateOptionMenu(Menu menu)
{
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public boolean onOptionItemSelected(MenuItem item)
{
switch(item.getItemId()){
case android.R.id.home:
NavUtils.navigateUpFromSameTask(this);
return true;
}
return super.onOptionsItemSelected(item);
}
public void onBackPressed()
{
moveTaskToBack(true);
HoroscopeActivity.this.finish();
}
清单文件
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="in.datumdata.weather"
android:installLocation="auto"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="18" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_hosurdata"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="in.datumdata.hosurdata.MainActivity"
android:label="@string/app_name"
android:screenOrientation="portrait" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="in.datumdata.hosurdata.MovieActivity"
android:label="Movie Details"
android:parentActivityName="in.datumdata.hosurdata.MainActvity"
android:screenOrientation="portrait" />
<activity
android:name="in.datumdata.hosurdata.WeatherActivity"
android:label="Weather Details"
android:parentActivityName="in.datumdata.hosurdata.MainActvity"
android:screenOrientation="portrait" />
<activity
android:name="in.datumdata.hosurdata.SingleContactActivity"
android:label="Movie Details"
android:parentActivityName="in.datumdata.hosurdata.MovieActivity"
android:screenOrientation="portrait" />
<activity
android:name="in.datumdata.hosurdata.HoroscopeActivity"
android:label="Horoscope Details"
android:parentActivityName="in.datumdata.hosurdata.MainActvity"
android:screenOrientation="portrait" />
<activity
android:name="in.datumdata.hosurdata.SingleHoroscopeActivity"
android:label="Horoscope Details"
android:parentActivityName="in.datumdata.hosurdata.HoroscopeActivity"
android:screenOrientation="portrait" />
</application>
</manifest>
在所有上述活动的导航按钮工作正常，在模拟器，但在设备上它不工作，当我按下设备上的后退按钮
应用程序不可见我的意思是说它在后台运行。这件事情发生在任何活动上，我按回来按钮发生的所有活动
帮助我。预先感谢并为我的英语不好而感到遗憾。
我应该在每项活动中添加此项y – Prashanth
致所有应该有**向上按钮**的活动。还要更改活动名称，以便它们与应该调用的名称相匹配。 – Simas
对不起din改变活动名称？ – Prashanth