我试图通过单击textview字母 t2 来进入下一页。我的意图是正确的，但我收到了错误，
“线程退出时未捕获异常（组= 0xb2a18ba8）然后致命异常：主和 java.lang.RuntimeException：无法启动activitycomponent信息（意图location）java.lang.NullPointerException “并强制关闭应用程序。请告诉我它是什么。
MainActivity.java
package com.sedio.newsedio;
@SuppressLint({ "NewApi", "ShowToast" })
public class MainActivity extends ActionBarActivity {
ImageView fliq_Logo;
Button btn_Login,facebook_login,twiit_login;
TextView t1;
TextView t2;
VideoView vd;
Uri uri;
//public static final String PREFS_NAME = "LoginPrefs";
private ConnectionDetector cd;
AlertDialogManager alert = new AlertDialogManager();
private URL Login_Url;
private String login_inputline;
private JSONArray login_jsonarray;
private JSONObject login_jsonobj;
private String login_status;
private String User_id;
private String accesskey;
private String accesstoken;
private String geteee;
private String getfbid;
private String getfbtkn;
private String gettusr;
private String gettkey;
private String getfttkn;
private String suuserid;
static String TWITTER_CONSUMER_KEY = "************";
static String TWITTER_CONSUMER_SECRET = "**********";
String val="false";
private static SocialAuthAdapter adapter;
Profile profileMap;
List photosList;
// Android Components
ListView listview;
AlertDialog dialog;
TextView title;
ProgressDialog mDialog;
// Variables
boolean status;
public static String providerName;
public static int pos;
public static Bitmap bitmap;
Context context = this;
String LiveUrl="http://demo.cogzidel.com/sedio/";
// Preference Constants
static String PREFERENCE_NAME = "twitter_oauth";
static final String PREF_KEY_OAUTH_TOKEN = "oauth_token";
static final String PREF_KEY_OAUTH_SECRET = "oauth_token_secret";
static final String PREF_KEY_TWITTER_LOGIN = "isTwitterLogedIn";
static final String TWITTER_CALLBACK_URL = "http://cloudcat.meliosystems.com/";
// Twitter oauth urls
static final String URL_TWITTER_AUTH = "auth_url";
static final String URL_TWITTER_OAUTH_VERIFIER = "oauth_verifier";
static final String URL_TWITTER_OAUTH_TOKEN = "oauth_token";
public static String twitter_token, twitter_secret;
public static final String PREFS_NAME = "MyPrefsFile";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
adapter = new SocialAuthAdapter(new ResponseListener());
if( Build.VERSION.SDK_INT >= 9){
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
Editor editor = sharedPreferences.edit();
editor.putString("liveurl", LiveUrl);
editor.putString("twi_log", val);
editor.commit();
String restoredText = sharedPreferences.getString("liveurl", null);
System.out.println("Liveurl value--->"+restoredText);
fliq_Logo=(ImageView) findViewById(R.id.logo_img);
btn_Login=(Button) findViewById(R.id.login_newBtn);
twiit_login=(Button) findViewById(R.id.Button01);
t1=(TextView)findViewById(R.id.textView1);
t2=(TextView)findViewById(R.id.textView2);
facebook_login=(Button)findViewById(R.id.button1);
vd = (VideoView) findViewById(R.id.VideoView);
uri = Uri.parse("android.resource://"+getPackageName() + "/"+R.raw.spll);
new MediaController(this);
vd.setVideoURI(uri);
vd.setOnPreparedListener (new OnPreparedListener() {
public void onPrepared(MediaPlayer mp) {
vd.start();
mp.setLooping(true);
}
});
getApplicationContext().getSharedPreferences("MyPref", 0);
cd = new ConnectionDetector(getApplicationContext());
// Check if Internet present
if (!cd.isConnectingToInternet()) {
// Internet Connection is not present
alert.showAlertDialog(MainActivity.this, "Internet Connection Error",
"Please connect to working Internet connection", false);
// stop executing code by return
return;
}
twiit_login.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
twi_log();
Intent i = new Intent(MainActivity.this, Twitter_Login.class);
Bundle bndlanimation =ActivityOptions.makeCustomAnimation(getApplicationContext(), R.anim.trans_left_in,R.anim.trans_left_out).toBundle();
startActivity(i, bndlanimation);
//loginToTwitter();
}
});
//---- SharedPreferences email
SharedPreferences settings = getSharedPreferences(SignIn.PREFS_NAME,1);
//Get "hasLoggedIn" value. If the value doesn't exist yet false is returned
boolean trLoggedIn = settings.getBoolean("trLoggedIn", false);
String PREF_KEY = settings.getString("euser", geteee);
String fbu_id = settings.getString("fuser", getfbid);
String fb_tkn = settings.getString("ftkn", getfbtkn);
String tr_id = settings.getString("tuser", gettusr);
String tr_key = settings.getString("tacceskey", gettkey);
String tr_tkn = settings.getString("taccestkn", getfttkn);
String su_user = settings.getString("sinuser", suuserid);
if(fb_tkn != null)
{
//Go directly to Sedio_main activity
Intent i = new Intent(MainActivity.this, Sedio_main.class);
i.putExtra("userid", fbu_id);
i.putExtra("fb_token", fb_tkn);
Bundle bndlanimation =ActivityOptions.makeCustomAnimation(getApplicationContext(), R.anim.trans_left_in,R.anim.trans_left_out).toBundle();
startActivity(i, bndlanimation);
}
if(PREF_KEY != null)
{
//Go directly to Sedio_main activity
Intent i = new Intent(MainActivity.this, Sedio_main.class);
i.putExtra("userid", PREF_KEY);
Bundle bndlanimation =ActivityOptions.makeCustomAnimation(getApplicationContext(), R.anim.trans_left_in,R.anim.trans_left_out).toBundle();
startActivity(i, bndlanimation);
}
if(trLoggedIn)
{
Intent Intent_imageview = new Intent(MainActivity.this, Sedio_main.class);
Intent_imageview.putExtra("userid", tr_id);
Intent_imageview.putExtra("accesskey", tr_key);
Intent_imageview.putExtra("accesstoken", tr_tkn);
startActivity(Intent_imageview);
finish();
}
if(su_user != null)
{
//Go directly to Sedio_main activity
Intent i = new Intent(MainActivity.this, Sedio_main.class);
i.putExtra("userid", su_user);
Bundle bndlanimation =ActivityOptions.makeCustomAnimation(getApplicationContext(), R.anim.trans_left_in,R.anim.trans_left_out).toBundle();
startActivity(i, bndlanimation);
}
facebook_login.setOnClickListener(new OnClickListener() { //fb login
public void onClick(View v) {
Intent i=new Intent(MainActivity.this,FbLoader.class);
startActivity(i);
}
});
btn_Login.setOnClickListener(new OnClickListener() { //SignUp
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i = new Intent(MainActivity.this, SignUp.class);
Bundle bndlanimation =ActivityOptions.makeCustomAnimation(getApplicationContext(), R.anim.trans_left_in,R.anim.trans_left_out).toBundle();
startActivity(i, bndlanimation);
}
});
t2.setOnClickListener(new OnClickListener() { // SignIn
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i = new Intent(MainActivity.this, SignIn.class);
Bundle bndlanimation =ActivityOptions.makeCustomAnimation(getApplicationContext(), R.anim.trans_left_in,R.anim.trans_left_out).toBundle();
startActivity(i, bndlanimation);
}
});
}
public void twi_log(){
val="true";
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
Editor editor = sharedPreferences.edit();
editor.putString("twi_log", val);
editor.commit();
}
private void mani(String s12, String g2,String key1,String secret12,String sqw) {
// TODO Auto-generated method stub
BufferedReader login_reader;
String str_login="";
try{
Login_Url = new URL("http://demo.cogzidel.com/sedio/mobile/tlogin?user_id="+g2+"&screen_name="+s12+"&twitter_access_key="+key1+"&twitter_access_secret="+secret12+"&profile_image="+sqw);
System.out.println("image url-------->" + Login_Url);
System.out.println("image url-------->1");
login_reader = new BufferedReader(new InputStreamReader(Login_Url.openStream()));
System.out.println("image url-------->2");
while ((login_inputline = login_reader.readLine())!= null)
{
System.out.println("image url-------->3");
str_login += login_inputline;
}
System.out.print("login"+str_login);
login_jsonarray = new JSONArray(str_login);
{
int i1=0;
login_jsonobj = login_jsonarray.getJSONObject(i1);
login_status = login_jsonobj.getString("status");
User_id = login_jsonobj.getString("id");
}
System.out.println("json value ---------->"+login_status+User_id+accesskey+accesstoken);
}
catch(MalformedURLException e){
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if(User_id != null)
{
loadSavedPreferences();
Intent Intent_imageview = new Intent(MainActivity.this, Sedio_main.class);
Intent_imageview.putExtra("userid", User_id);
Intent_imageview.putExtra("accesskey", key1);
Intent_imageview.putExtra("accesstoken", secret12);
startActivity(Intent_imageview);
finish();
}
else{
Toast.makeText(getApplicationContext(),"Server Down", Toast.LENGTH_LONG).show();
}
}
protected void onResume() {
super.onResume();
}
private void loadSavedPreferences() {
//User has successfully logged in, save this information
// We need an Editor object to make preference changes.
SharedPreferences settings = getSharedPreferences(SignIn.PREFS_NAME, 0);
SharedPreferences.Editor editor = settings.edit();
//Set "hasLoggedIn" to true
editor.putBoolean("trLoggedIn", true);
editor.putString ("tuser", User_id);
editor.putString ("tacceskey", accesskey);
editor.putString ("taccestkn", accesstoken);
// Commit the edits!
editor.commit();
}
//---------- Twitter login functionality----------->>>>>
public static SocialAuthAdapter getSocialAuthAdapter() {
return adapter;
}
// To receive the response after authentication
private final class ResponseListener implements DialogListener {
@Override
public void onComplete(Bundle values) {
Log.d("Custom-UI", "Successful");
// Changing Sign In Text to Sign Out
// Get the provider
providerName = values.getString(SocialAuthAdapter.PROVIDER);
Log.d("Custom-UI", "providername = " + providerName);
Toast.makeText(MainActivity.this, providerName + " connected", Toast.LENGTH_SHORT).show();
Log.i("get profile ", "before");
adapter.getUserProfileAsync(new ProfileDataListener());
Log.i("get profile ", "after");
int res = getResources().getIdentifier(providerName + "_array", "array", MainActivity.this.getPackageName());
AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
builder.setTitle("Select Options");
builder.setCancelable(true);
builder.setIcon(android.R.drawable.ic_menu_more);
mDialog = new ProgressDialog(MainActivity.this);
mDialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
mDialog.setMessage("Loading...");
builder.setSingleChoiceItems(new DialogAdapter(MainActivity.this, R.layout.provider_options, getResources()
.getStringArray(res)), 0, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int item) {
Log.i("item", ""+item);
dialog.dismiss();
}
});
dialog = builder.create();
//dialog.show();
}
@Override
public void onError(SocialAuthError error) {
Log.d("Custom-UI", "Error");
error.printStackTrace();
}
@Override
public void onCancel() {
Log.d("Custom-UI", "Cancelled");
}
@Override
public void onBack() {
Log.d("Custom-UI", "Dialog Closed by pressing Back Key");
}
}
// To receive the profile response after authentication
private final class ProfileDataListener implements SocialAuthListener {
@Override
public void onExecute(String provider, Profile t) {
Log.d("Custom-UI", "Receiving Data");
mDialog.dismiss();
Profile profileMap = t;
//loadSavedPreferences();
String token=adapter.getCurrentProvider().getAccessGrant().getSecret();
System.out.println("Seceret value is--------------->"+token);
String key=adapter.getCurrentProvider().getAccessGrant().getKey();
System.out.println("key is----------->"+ key);
String []part=key.split("-");
String part1=part[0];
String part2=part[1].toString();
System.out.println("after split");
System.out.println("userid" + part1);
System.out.println("secret" + part2);
String id=profileMap.getValidatedId();
profileMap.getEmail();
String screen=profileMap.getFullName();
String sqw=profileMap.getProfileImageURL().toString();
System.out.println("screen---->" + screen);
System.out.println("id------->" + id);
System.out.println("secret---->" + token);
//System.out.println("image----->" + img);
mani(screen,id,part2,token,sqw);
}
@Override
public void onError(SocialAuthError e) {
}
}
// To receive the profile response after authentication
public class DialogAdapter extends BaseAdapter {
// Android Components
private final LayoutInflater mInflater;
private final Context ctx;
String[] drawables;
String[] options;
public DialogAdapter(Context context, int textViewResourceId, String[] providers) {
// Cache the LayoutInflate to avoid asking for a new one each time.
ctx = context;
mInflater = LayoutInflater.from(ctx);
options = providers;
}
@Override
public int getCount() {
return options.length;
}
@Override
public Object getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
// A ViewHolder keeps references to children views to avoid
// unneccessary
// calls to findViewById() on each row.
ViewHolder holder;
// When convertView is not null, we can reuse it directly, there is no need to reinflate it. We only inflate a new View when the convertView supplied by ListView is null.
if (convertView == null) {
convertView = mInflater.inflate(R.layout.provider_options, null);
// Creates a ViewHolder and store references to the two children views we want to bind data to.
holder = new ViewHolder();
holder.text = (TextView) convertView.findViewById(R.id.providerText);
holder.icon = (ImageView) convertView.findViewById(R.id.provider);
convertView.setTag(holder);
} else {
// Get the ViewHolder back to get fast access to the TextView and the ImageView.
holder = (ViewHolder) convertView.getTag();
}
return convertView;
}
class ViewHolder {
TextView text;
ImageView icon;
}
}
//-------End twitter function----->
@Override
public void onBackPressed() {
Log.d("Custom-UI", "Dialog Closed by pressing Back Key");
System.exit(0);
finish();
}
}
任何人都可以帮我解决这个问题吗？