I have wrote some code to use my custom dialog for my application and I thought it was going well until I had force crashed. I had looked at my logcat and it says that it was unable to add window so I was just hoping somebody can assist me to solve this problem.
Logcat:
08-23 02:05:22.836: E/AndroidRuntime(898): FATAL EXCEPTION: main
08-23 02:05:22.836: E/AndroidRuntime(898): java.lang.NullPointerException
08-23 02:05:22.836: E/AndroidRuntime(898): at com.theproblemsolver.MainActivity$1.run(MainActivity.java:42)
08-23 02:05:22.836: E/AndroidRuntime(898): at android.os.Handler.handleCallback(Handler.java:725)
08-23 02:05:22.836: E/AndroidRuntime(898): at android.os.Handler.dispatchMessage(Handler.java:92)
08-23 02:05:22.836: E/AndroidRuntime(898): at android.os.Looper.loop(Looper.java:137)
08-23 02:05:22.836: E/AndroidRuntime(898): at android.app.ActivityThread.main(ActivityThread.java:5041)
08-23 02:05:22.836: E/AndroidRuntime(898): at java.lang.reflect.Method.invokeNative(Native Method)
08-23 02:05:22.836: E/AndroidRuntime(898): at java.lang.reflect.Method.invoke(Method.java:511)
08-23 02:05:22.836: E/AndroidRuntime(898): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
08-23 02:05:22.836: E/AndroidRuntime(898): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
08-23 02:05:22.836: E/AndroidRuntime(898): at dalvik.system.NativeStart.main(Native Method)
MainActivity:
public class MainActivity extends Activity {
TextView TPS;
TextView TPS1;
TextView TPS2;
TextView TPS3;
Button TPSbutton1;
Button getAnswer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
View mainView = getLayoutInflater().inflate(R.layout.activity_main, null);
setContentView(mainView);
final Dialog dialog = new Dialog(this);
dialog.setContentView(R.layout.customdialog);
dialog.setTitle("TheProblemSolver");
mainView.post(new Runnable() {
public void run() {
dialog.show();
TPS = (TextView) findViewById(R.id.TPS);
TPS1 = (TextView) findViewById(R.id.TPS1);
TPS2 = (TextView) findViewById(R.id.TPS2);
TPS3 = (TextView) findViewById(R.id.TPS3);
TPSbutton1 = (Button) findViewById(R.id.TPSbutton1);
TPSbutton1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
}
}
);
}
});
final EditText et = (EditText) findViewById(R.id.editText1);
Button getAnswer = (Button) findViewById(R.id.button1);
getAnswer.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (et.getText().toString().length()==0) {
Toast.makeText(getApplicationContext(),"Can't Be Blank!",Toast.LENGTH_LONG).show();
}else{
EditText et = (EditText) findViewById(R.id.editText1);
String searchTerm = et.getText().toString().trim();
Intent in = new Intent(MainActivity.this, ListView.class);
in.putExtra("TAG_SEARCH", searchTerm);
startActivity(in);
}
}});
}
@Override
protected void onStop() {
// TODO Auto-generated method stub
super.onStop();
}
}
customdialog.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/TPS"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.01"
android:text="example"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:id="@+id/TPS1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.02"
android:text="example"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView
android:id="@+id/TPS2"
android:layout_width="match_parent"
android:layout_height="53dp"
android:text="example"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:id="@+id/TPS3"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.02"
android:text="example"
android:textAppearance="?android:attr/textAppearanceMedium" />
<Button
android:id="@+id/TPSbutton1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="OK" />
</LinearLayout>